SEC FORM 13F-HR

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL
OMB Number: 3235-0006
Expires: July 31, 2015
Estimated average burden
hours per response: 23.8

Report for the Calendar Year or Quarter Ended: 03-31-2015
Check here if Amendment    Amendment Number:
This Amendment (Check only one.):    is a restatement.
   adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: COWEN GROUP, INC.
Address: 599 LEXINGTON AVENUE, 20TH FLOOR
NEW YORK, NY  10022
Form 13F File Number: 028-14571

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name: Owen Littman
Title: General Counsel
Phone: 212-201-4841
Signature, Place, and Date of Signing:
/s/ Owen Littman New YorkNY 05-15-2015
[Signature] [City, State] [Date]
Report Type (Check only one.):
X 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
   13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
   13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)
Form 13F Summary Page
Report Summary:
Number of Other Included Managers: 3
Form 13F Information Table Entry Total: 455
Form 13F Information Table Value Total: 1,209,528
(thousands)
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]
No. Form 13F File Number Name
1 028-10674 RAMIUS ADVISORS LLC
2 028-14361 Ramius Alternative Solutions LLC
3 028-04125 COWEN & COMPANY, LLC

SEC FORM 13-F Information Table

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

OMB APPROVAL
OMB Number: 3235-0006
Expires: July 31, 2015
Estimated average burden
hours per response: 23.8

COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
22ND CENTY GROUP INC COM 90137F103 77 90,000 SH   DFND 1 90,000 0 0
3M CO COM 88579Y101 209 1,267 SH   DFND 2 1,267 0 0
ABBVIE INC COM 00287Y109 1,508 25,752 SH   DFND 2 25,752 0 0
ACACIA RESH CORP ACACIA TCH COM 003881307 268 25,000 SH   DFND 1 25,000 0 0
ACADIA PHARMACEUTICALS INC COM 004225108 1,346 41,300 SH   DFND 1 41,300 0 0
ACADIA PHARMACEUTICALS INC COM 004225108 1,304 40,000 SH Call DFND 1 40,000 0 0
ACHILLION PHARMACEUTICALS IN COM 00448Q201 108 10,932 SH   DFND 2 10,932 0 0
ACTAVIS PLC SHS G0083B108 3,124 10,495 SH   DFND 1 10,495 0 0
ADOBE SYS INC COM 00724F101 6,848 92,621 SH   DFND 2 92,621 0 0
ADVANCE AUTO PARTS INC COM 00751Y106 365 2,441 SH   DFND 2 2,441 0 0
AETNA INC NEW COM 00817Y108 687 6,453 SH   DFND 2 6,453 0 0
AGCO CORP COM 001084102 257 5,398 SH   DFND 2 5,398 0 0
AGILENT TECHNOLOGIES INC COM 00846U101 324 7,797 SH   DFND 2 7,797 0 0
AGILENT TECHNOLOGIES INC COM 00846U101 439 10,570 SH   DFND 1 10,570 0 0
AGIOS PHARMACEUTICALS INC COM 00847X104 512 5,425 SH   DFND 1 5,425 0 0
AIR PRODS & CHEMS INC COM 009158106 7,197 47,572 SH   DFND 2 47,572 0 0
AKAMAI TECHNOLOGIES INC COM 00971T101 7,300 102,757 SH   DFND 2 102,757 0 0
ALBANY MOLECULAR RESH INC COM 012423109 246 13,958 SH   DFND 2 13,958 0 0
ALCOA INC COM 013817101 12,538 970,400 SH Call DFND 1 970,400 0 0
ALERE INC COM 01449J105 669 13,681 SH   DFND 2 13,681 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 607 3,500 SH   DFND 1 3,500 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 0 100 SH Call DFND 3 100 0 0
ALKERMES PLC SHS G01767105 633 10,380 SH   DFND 1 10,380 0 0
ALLEGHENY TECHNOLOGIES INC COM 01741R102 581 19,354 SH   DFND 2 19,354 0 0
ALLISON TRANSMISSION HLDGS I COM 01973R101 949 29,721 SH   DFND 1 29,721 0 0
ALPHA NATURAL RESOURCES INC COM 02076X102 19 19,459 SH   DFND 2 19,459 0 0
ALTERA CORP COM 021441100 9,441 220,000 SH Call DFND 1 220,000 0 0
ALTERA CORP COM 021441100 2,948 68,710 SH   DFND 1 68,710 0 0
ALTISOURCE RESIDENTIAL CORP CL B 02153W100 778 37,317 SH   DFND 2 37,317 0 0
AMAG PHARMACEUTICALS INC COM 00163U106 253 4,626 SH   DFND 2 4,626 0 0
AMAZON COM INC COM 023135106 447 1,200 SH   DFND 1 1,200 0 0
AMERICAN FINL GROUP INC OHIO COM 025932104 398 6,200 SH   DFND 1 6,200 0 0
AMERICAN RLTY CAP PPTYS INC COM 02917T104 7,267 737,726 SH   DFND 2 737,726 0 0
AMERIPRISE FINL INC COM 03076C106 200 1,528 SH   DFND 2 1,528 0 0
AMGEN INC COM 031162100 1,758 11,000 SH   DFND 1 11,000 0 0
ANACOR PHARMACEUTICALS INC COM 032420101 279 4,828 SH   DFND 2 4,828 0 0
ANTHEM INC COM 036752103 216 1,398 SH   DFND 2 1,398 0 0
APPLE INC COM 037833100 3,489 28,040 SH   DFND 1 28,040 0 0
APPLE INC COM 037833100 748 6,008 SH   DFND 2 6,008 0 0
APPLIED MATLS INC COM 038222105 581 25,766 SH   DFND 2 25,766 0 0
ARCHER DANIELS MIDLAND CO COM 039483102 360 7,601 SH   DFND 2 7,601 0 0
ARUBA NETWORKS INC COM 043176106 1,225 50,000 SH Call DFND 1 50,000 0 0
ARUBA NETWORKS INC COM 043176106 1 25,000 SH Call DFND 3 25,000 0 0
ASBURY AUTOMOTIVE GROUP INC COM 043436104 238 2,861 SH   DFND 2 2,861 0 0
ASHLAND INC NEW COM 044209104 625 4,913 SH   DFND 2 4,913 0 0
AT&T INC COM 00206R102 6,145 188,200 SH   DFND 1 188,200 0 0
AT&T INC COM 00206R102 0 5,100 SH Call DFND 3 5,100 0 0
AUTODESK INC COM 052769106 589 10,049 SH   DFND 2 10,049 0 0
AUTOZONE INC COM 053332102 231 339 SH   DFND 2 339 0 0
B/E AEROSPACE INC COM 073302101 1,613 25,354 SH   DFND 1 25,354 0 0
B/E AEROSPACE INC COM 073302101 7,414 116,537 SH   DFND 2 116,537 0 0
BABCOCK & WILCOX CO NEW COM 05615F102 1,942 60,508 SH   DFND 1 60,508 0 0
BABCOCK & WILCOX CO NEW COM 05615F102 7,793 242,842 SH   DFND 2 242,842 0 0
BAKER HUGHES INC COM 057224107 7,683 120,835 SH   DFND 2 120,835 0 0
BALCHEM CORP COM 057665200 210 3,800 SH   DFND 1 3,800 0 0
BANK AMER CORP COM 060505104 607 39,426 SH   DFND 2 39,426 0 0
BANK NEW YORK MELLON CORP COM 064058100 7,167 178,111 SH   DFND 2 178,111 0 0
BANK NEW YORK MELLON CORP COM 064058100 2,665 66,220 SH   DFND 1 66,220 0 0
BED BATH & BEYOND INC COM 075896100 203 2,649 SH   DFND 2 2,649 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 218 1 SH   DFND 1 1 0 0
BIOGEN INC COM 09062X103 2,422 5,735 SH   DFND 1 5,735 0 0
BIOSCRIP INC COM 09069N108 53 11,988 SH   DFND 2 11,988 0 0
BIOTELEMETRY INC COM 090672106 101 11,394 SH   DFND 2 11,394 0 0
BLACKHAWK NETWORK HLDGS INC CL B 09238E203 935 26,309 SH   DFND 2 26,309 0 0
BLOUNT INTL INC NEW COM 095180105 161 12,500 SH   DFND 2 12,500 0 0
BLUEBIRD BIO INC COM 09609G100 582 4,818 SH   DFND 1 4,818 0 0
BOB EVANS FARMS INC COM 096761101 1,528 33,032 SH   DFND 1 33,032 0 0
BOB EVANS FARMS INC COM 096761101 23 505 SH   DFND 2 505 0 0
BOEING CO COM 097023105 204 1,361 SH   DFND 2 1,361 0 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 1,340 17,750 SH   DFND 1 17,750 0 0
BUILD A BEAR WORKSHOP COM 120076104 220 11,214 SH   DFND 2 11,214 0 0
CA INC COM 12673P105 310 9,494 SH   DFND 2 9,494 0 0
CALPINE CORP COM NEW 131347304 695 30,381 SH   DFND 2 30,381 0 0
CANADIAN PAC RY LTD COM 13645T100 1,385 7,580 SH   DFND 1 7,580 0 0
CANADIAN PAC RY LTD COM 13645T100 7,011 38,377 SH   DFND 2 38,377 0 0
CAPITAL ONE FINL CORP COM 14040H105 394 5,000 SH   DFND 1 5,000 0 0
CARDINAL HEALTH INC COM 14149Y108 433 4,802 SH   DFND 2 4,802 0 0
CAREER EDUCATION CORP COM 141665109 56 11,100 SH   DFND 1 11,100 0 0
CARETRUST REIT INC COM 14174T107 224 16,556 SH   DFND 2 16,556 0 0
CATAMARAN CORP COM 148887102 14,117 237,100 SH   DFND 1 237,100 0 0
CATAMARAN CORP COM 148887102 5,954 100,000 SH Call DFND 1 100,000 0 0
CBS CORP NEW CL B 124857202 303 5,000 SH   DFND 1 5,000 0 0
CBS CORP NEW CL B 124857202 825 13,612 SH   DFND 2 13,612 0 0
CDK GLOBAL INC COM 12508E101 7,158 153,079 SH   DFND 2 153,079 0 0
CELGENE CORP COM 151020104 202 1,752 SH   DFND 2 1,752 0 0
CEMPRA INC COM 15130J109 909 26,485 SH   DFND 1 26,485 0 0
CEVA INC COM 157210105 215 10,087 SH   DFND 2 10,087 0 0
CF INDS HLDGS INC COM 125269100 747 2,635 SH   DFND 2 2,635 0 0
CHECK POINT SOFTWARE TECH LT ORD M22465104 574 7,000 SH   DFND 1 7,000 0 0
CHEETAH MOBILE INC ADR 163075104 1,226 71,709 SH   DFND 2 71,709 0 0
CHENIERE ENERGY INC COM NEW 16411R208 387 5,000 SH   DFND 1 5,000 0 0
CHESAPEAKE ENERGY CORP COM 165167107 708 50,000 SH   DFND 1 50,000 0 0
CHIPMOS TECH BERMUDA LTD SHS G2110R114 617 25,000 SH   DFND 1 25,000 0 0
CIGNA CORPORATION COM 125509109 637 4,922 SH   DFND 2 4,922 0 0
CINTAS CORP COM 172908105 204 2,500 SH   DFND 2 2,500 0 0
CITIGROUP INC COM NEW 172967424 607 11,791 SH   DFND 2 11,791 0 0
CIVEO CORP COM 178787107 0 12,400 SH Call DFND 3 12,400 0 0
CIVEO CORP COM 178787107 203 79,874 SH   DFND 2 79,874 0 0
CLECO CORP NEW COM 12561W105 6,494 119,115 SH   DFND 1 119,115 0 0
COMCAST CORP NEW CL A 20030N101 30,211 535,000 SH Call DFND 1 535,000 0 0
COMMUNITY HEALTH SYS INC NEW COM 203668108 650 12,440 SH   DFND 2 12,440 0 0
COMPUTER SCIENCES CORP COM 205363104 531 8,136 SH   DFND 2 8,136 0 0
CONSOL ENERGY INC COM 20854P109 574 20,578 SH   DFND 2 20,578 0 0
CONSTANT CONTACT INC COM 210313102 669 17,500 SH   DFND 1 17,500 0 0
CONSTELLATION BRANDS INC CL A 21036P108 643 5,532 SH   DFND 2 5,532 0 0
COOPER TIRE & RUBR CO COM 216831107 208 4,845 SH   DFND 2 4,845 0 0
CORNING INC COM 219350105 611 26,928 SH   DFND 2 26,928 0 0
COSTAR GROUP INC COM 22160N109 396 2,000 SH   DFND 1 2,000 0 0
COWEN GROUP INC NEW CL A 223622101 19,853 3,817,915 SH   DFND 1 3,817,915 0 0
CREDIT ACCEP CORP MICH COM 225310101 219 1,122 SH   DFND 2 1,122 0 0
CROWN CASTLE INTL CORP NEW COM 22822V101 1,500 18,168 SH   DFND 1 18,168 0 0
CST BRANDS INC COM 12646R105 1,765 40,260 SH   DFND 2 40,260 0 0
CUMMINS INC COM 231021106 473 3,412 SH   DFND 2 3,412 0 0
CVS HEALTH CORP COM 126650100 207 2,001 SH   DFND 2 2,001 0 0
CYPRESS SEMICONDUCTOR CORP COM 232806109 143 10,140 SH   DFND 2 10,140 0 0
DELCATH SYS INC COM NEW 24661P401 72 75,000 SH   DFND 1 75,000 0 0
DELTA AIR LINES INC DEL COM NEW 247361702 632 14,053 SH   DFND 2 14,053 0 0
DEPOMED INC COM 249908104 229 10,233 SH   DFND 2 10,233 0 0
DICKS SPORTING GOODS INC COM 253393102 642 11,260 SH   DFND 2 11,260 0 0
DIRECTV COM 25490A309 81,846 961,759 SH   DFND 1 961,759 0 0
DIRECTV COM 25490A309 166 1,956 SH   DFND 2 1,956 0 0
DIRECTV COM 25490A309 3 22,600 SH   DFND 3 22,600 0 0
DISH NETWORK CORP CL A 25470M109 583 8,323 SH   DFND 2 8,323 0 0
DOLLAR GEN CORP NEW COM 256677105 879 11,660 SH   DFND 2 11,660 0 0
DOLLAR TREE INC COM 256746108 242 2,985 SH   DFND 2 2,985 0 0
DOMINION RES INC VA NEW COM 25746U109 354 5,000 SH   DFND 1 5,000 0 0
DOVER CORP COM 260003108 367 5,313 SH   DFND 2 5,313 0 0
DOW CHEM CO COM 260543103 1,138 23,715 SH   DFND 1 23,715 0 0
DRESSER-RAND GROUP INC COM 261608103 16,688 207,686 SH   DFND 1 207,686 0 0
DU PONT E I DE NEMOURS & CO COM 263534109 7,157 100,142 SH   DFND 2 100,142 0 0
DYAX CORP COM 26746E103 144 8,580 SH   DFND 2 8,580 0 0
DYAX CORP COM 26746E103 1 32,200 SH   DFND 3 32,200 0 0
DYAX CORP COM 26746E103 0 27,400 SH Call DFND 3 27,400 0 0
E M C CORP MASS COM 268648102 1,104 43,202 SH   DFND 1 43,202 0 0
E M C CORP MASS COM 268648102 159 6,217 SH   DFND 2 6,217 0 0
E TRADE FINANCIAL CORP COM NEW 269246401 671 23,496 SH   DFND 2 23,496 0 0
EDWARDS LIFESCIENCES CORP COM 28176E108 214 1,503 SH   DFND 2 1,503 0 0
EHEALTH INC COM 28238P109 193 20,619 SH   DFND 2 20,619 0 0
EMULEX CORP COM NEW 292475209 1,594 200,000 SH Call DFND 1 200,000 0 0
ENCANA CORP COM 292505104 915 82,100 SH Call DFND 1 82,100 0 0
ENERGIZER HLDGS INC COM 29266R108 241 1,746 SH   DFND 2 1,746 0 0
ENERGY TRANSFER EQUITY L P COM UT LTD PTN 29273V100 2,861 45,150 SH   DFND 1 45,150 0 0
ENERGY TRANSFER PRTNRS L P UNIT LTD PARTN 29273R109 1,045 18,750 SH   DFND 1 18,750 0 0
ENGILITY HLDGS INC NEW COM 29286C107 275 9,154 SH   DFND 2 9,154 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 1,405 42,672 SH   DFND 1 42,672 0 0
EQUITY LIFESTYLE PPTYS INC COM 29472R108 385 7,000 SH   DFND 1 7,000 0 0
ERA GROUP INC COM 26885G109 236 11,324 SH   DFND 2 11,324 0 0
ESPERION THERAPEUTICS INC NE COM 29664W105 219 2,364 SH   DFND 2 2,364 0 0
EXAR CORP COM 300645108 184 18,322 SH   DFND 2 18,322 0 0
EXELIS INC COM 30162A108 16,221 665,610 SH   DFND 1 665,610 0 0
EXELIS INC COM 30162A108 0 10,000 SH   DFND 3 10,000 0 0
EXPEDITORS INTL WASH INC COM 302130109 213 4,413 SH   DFND 2 4,413 0 0
EXPRESS SCRIPTS HLDG CO COM 30219G108 208 2,399 SH   DFND 2 2,399 0 0
EXXON MOBIL CORP COM 30231G102 244 2,871 SH   DFND 1 2,871 0 0
FACEBOOK INC CL A 30303M102 452 5,500 SH   DFND 1 5,500 0 0
FIDELITY NATIONAL FINANCIAL FNF GROUP COM 31620R303 7,213 196,214 SH   DFND 2 196,214 0 0
FISERV INC COM 337738108 208 2,622 SH   DFND 2 2,622 0 0
FLEETCOR TECHNOLOGIES INC COM 339041105 407 2,700 SH   DFND 1 2,700 0 0
FLOTEK INDS INC DEL COM 343389102 161 10,900 SH   DFND 1 10,900 0 0
FLOTEK INDS INC DEL COM 343389102 175 11,853 SH   DFND 2 11,853 0 0
FLUOR CORP NEW COM 343412102 338 5,914 SH   DFND 2 5,914 0 0
FRANCO NEVADA CORP COM 351858105 2 35,400 SH Call DFND 3 35,400 0 0
FRANKLIN RES INC COM 354613101 602 11,740 SH   DFND 2 11,740 0 0
FREESCALE SEMICONDUCTOR LTD SHS G3727Q101 1,974 48,433 SH   DFND 1 48,433 0 0
FTD COS INC COM 30281V108 292 9,750 SH   DFND 2 9,750 0 0
GAP INC DEL COM 364760108 543 12,541 SH   DFND 2 12,541 0 0
GENERAL DYNAMICS CORP COM 369550108 641 4,724 SH   DFND 2 4,724 0 0
GENERAL ELECTRIC CO COM 369604103 5 170,500 SH   DFND 3 170,500 0 0
GENERAL MTRS CO COM 37045V100 2 54,000 SH Call DFND 3 54,000 0 0
GENERAL MTRS CO COM 37045V100 1 15,000 SH   DFND 3 15,000 0 0
GILEAD SCIENCES INC COM 375558103 2,762 28,145 SH   DFND 1 28,145 0 0
GOLAR LNG LTD BERMUDA SHS G9456A100 670 20,125 SH   DFND 1 20,125 0 0
GOODYEAR TIRE & RUBR CO COM 382550101 807 29,809 SH   DFND 1 29,809 0 0
GOODYEAR TIRE & RUBR CO COM 382550101 7,743 285,946 SH   DFND 2 285,946 0 0
GOOGLE INC CL A 38259P508 666 1,200 SH   DFND 1 1,200 0 0
GOOGLE INC CL C 38259P706 540 985 SH   DFND 1 985 0 0
GRACE W R & CO DEL NEW COM 38388F108 629 6,360 SH   DFND 2 6,360 0 0
GREEN DOT CORP CL A 39304D102 247 15,518 SH   DFND 2 15,518 0 0
HALLIBURTON CO COM 406216101 21,607 492,415 SH   DFND 1 492,415 0 0
HALLIBURTON CO COM 406216101 139 3,164 SH   DFND 2 3,164 0 0
HALLIBURTON CO COM 406216101 2,563 58,400 SH Call DFND 1 58,400 0 0
HARMAN INTL INDS INC COM 413086109 7,213 53,977 SH   DFND 2 53,977 0 0
HARTFORD FINL SVCS GROUP INC COM 416515104 644 15,411 SH   DFND 2 15,411 0 0
HERTZ GLOBAL HOLDINGS INC COM 42805T105 1,040 47,987 SH   DFND 1 47,987 0 0
HESS CORP COM 42809H107 1,620 23,866 SH   DFND 1 23,866 0 0
HESS CORP COM 42809H107 149 2,191 SH   DFND 2 2,191 0 0
HEWLETT PACKARD CO COM 428236103 1,246 40,000 SH   DFND 1 40,000 0 0
HOME DEPOT INC COM 437076102 202 1,779 SH   DFND 2 1,779 0 0
HORIZON PHARMA PLC SHS G4617B105 2,615 100,700 SH   DFND 1 100,700 0 0
HOSPIRA INC COM 441060100 45,946 523,069 SH   DFND 1 523,069 0 0
HOSPIRA INC COM 441060100 1 15,000 SH Call DFND 3 15,000 0 0
HOUSTON AMERN ENERGY CORP COM 44183U100 8 38,000 SH   DFND 1 38,000 0 0
HOWARD HUGHES CORP COM 44267D107 661 4,261 SH   DFND 2 4,261 0 0
HUDSON CITY BANCORP COM 443683107 0 19,714 SH   DFND 3 19,714 0 0
HUMANA INC COM 444859102 698 3,922 SH   DFND 2 3,922 0 0
HUNTINGTON INGALLS INDS INC COM 446413106 223 1,592 SH   DFND 2 1,592 0 0
HYPERION THERAPEUTICS INC COM 44915N101 279 6,073 SH   DFND 2 6,073 0 0
HYSTER YALE MATLS HANDLING I CL A 449172105 666 9,088 SH   DFND 2 9,088 0 0
IAC INTERACTIVECORP COM PAR $.001 44919P508 1,989 29,480 SH   DFND 1 29,480 0 0
ICICI BK LTD ADR 45104G104 0 25,000 SH   DFND 3 25,000 0 0
ILLINOIS TOOL WKS INC COM 452308109 204 2,105 SH   DFND 2 2,105 0 0
IMMERSION CORP COM 452521107 181 19,705 SH   DFND 2 19,705 0 0
IMMUNOMEDICS INC COM 452907108 0 20,000 SH   DFND 3 20,000 0 0
INFORMATICA CORP COM 45666Q102 17,408 396,942 SH   DFND 1 396,942 0 0
INFORMATICA CORP COM 45666Q102 643 14,673 SH   DFND 2 14,673 0 0
INFORMATICA CORP COM 45666Q102 7,675 175,000 SH Call DFND 1 175,000 0 0
INGRAM MICRO INC CL A 457153104 636 25,318 SH   DFND 2 25,318 0 0
INSPERITY INC COM 45778Q107 238 4,557 SH   DFND 2 4,557 0 0
INTEGRATED SILICON SOLUTION COM 45812P107 2,361 131,985 SH   DFND 1 131,985 0 0
INTEGRATED SILICON SOLUTION COM 45812P107 1,147 64,100 SH Call DFND 1 64,100 0 0
INTEL CORP COM 458140100 491 15,711 SH   DFND 2 15,711 0 0
INTERCONTINENTAL EXCHANGE IN COM 45866F104 628 2,691 SH   DFND 2 2,691 0 0
INTERNATIONAL BUSINESS MACHS COM 459200101 722 4,500 SH   DFND 1 4,500 0 0
INTERNATIONAL BUSINESS MACHS COM 459200101 146 910 SH   DFND 2 910 0 0
INTERPUBLIC GROUP COS INC COM 460690100 223 10,068 SH   DFND 2 10,068 0 0
INTRALINKS HLDGS INC COM 46118H104 141 13,616 SH   DFND 2 13,616 0 0
INTUIT COM 461202103 214 2,212 SH   DFND 2 2,212 0 0
INVESTORS BANCORP INC NEW COM 46146L101 7,493 639,340 SH   DFND 2 639,340 0 0
ISHARES MSCI CDA ETF 464286509 2,175 80,000 SH   DFND 1 80,000 0 0
ISHARES MSCI GERMANY ETF 464286806 1,790 60,000 SH   DFND 1 60,000 0 0
ISHARES MSCI JAPAN ETF 464286848 6,265 500,000 SH   DFND 1 500,000 0 0
ISHARES MSCI MEX CAP ETF 464286822 4,057 70,000 SH Call DFND 1 70,000 0 0
ISHARES TR NASDQ BIOTEC ETF 464287556 446 1,300 SH   DFND 1 1,300 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 82,694 664,900 SH   DFND 1 664,900 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 0 100 SH   DFND 3 100 0 0
JAZZ PHARMACEUTICALS PLC SHS USD G50871105 389 2,250 SH   DFND 1 2,250 0 0
KANSAS CITY SOUTHERN COM NEW 485170302 388 3,800 SH   DFND 1 3,800 0 0
KAR AUCTION SVCS INC COM 48238T109 646 17,044 SH   DFND 2 17,044 0 0
KINDER MORGAN INC DEL COM 49456B101 499 11,864 SH   DFND 1 11,864 0 0
KINDRED HEALTHCARE INC COM 494580103 221 9,275 SH   DFND 2 9,275 0 0
KITE PHARMA INC COM 49803L109 449 7,785 SH   DFND 1 7,785 0 0
KLX INC COM 482539103 1,653 42,887 SH   DFND 1 42,887 0 0
KNOWLES CORP COM 49926D109 911 47,293 SH   DFND 2 47,293 0 0
KOHLS CORP COM 500255104 227 2,904 SH   DFND 2 2,904 0 0
KRAFT FOODS GROUP INC COM 50076Q106 9,043 103,800 SH   DFND 1 103,800 0 0
KROGER CO COM 501044101 229 2,987 SH   DFND 2 2,987 0 0
LANDS END INC NEW COM 51509F105 594 16,543 SH   DFND 2 16,543 0 0
LEAR CORP COM NEW 521865204 7,617 68,731 SH   DFND 2 68,731 0 0
LGI HOMES INC COM 50187T106 219 13,169 SH   DFND 2 13,169 0 0
LIBERTY INTERACTIVE CORP INT COM SER A 53071M104 625 21,424 SH   DFND 2 21,424 0 0
LIBERTY MEDIA CORP DELAWARE CL A 531229102 1,871 48,545 SH   DFND 2 48,545 0 0
LIFE TIME FITNESS INC COM 53217R207 5 74,600 SH Call DFND 3 74,600 0 0
LIFE TIME FITNESS INC COM 53217R207 11,301 159,252 SH   DFND 1 159,252 0 0
LIFE TIME FITNESS INC COM 53217R207 95 1,333 SH   DFND 2 1,333 0 0
LION BIOTECHNOLOGIES INC COM 53619R102 408 33,650 SH   DFND 1 33,650 0 0
LITHIA MTRS INC CL A 536797103 231 2,324 SH   DFND 2 2,324 0 0
LOCKHEED MARTIN CORP COM 539830109 512 2,521 SH   DFND 2 2,521 0 0
LOWES COS INC COM 548661107 230 3,088 SH   DFND 2 3,088 0 0
MACERICH CO COM 554382101 4,535 53,782 SH   DFND 1 53,782 0 0
MACERICH CO COM 554382101 2,952 35,000 SH Call DFND 1 35,000 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 2,326 30,326 SH   DFND 1 30,326 0 0
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MENTOR GRAPHICS CORP COM 587200106 222 9,234 SH   DFND 2 9,234 0 0
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MGIC INVT CORP WIS COM 552848103 196 20,347 SH   DFND 2 20,347 0 0
MICREL INC COM 594793101 205 13,603 SH   DFND 2 13,603 0 0
MICRON TECHNOLOGY INC COM 595112103 579 21,337 SH   DFND 2 21,337 0 0
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MICROSOFT CORP COM 594918104 1,105 27,187 SH   DFND 1 27,187 0 0
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MOLSON COORS BREWING CO CL B 60871R209 1,898 25,489 SH   DFND 1 25,489 0 0
MONDELEZ INTL INC CL A 609207105 7,528 208,579 SH   DFND 2 208,579 0 0
MONMOUTH REAL ESTATE INVT CO CL A 609720107 222 20,000 SH   DFND 1 20,000 0 0
MOOG INC CL A 615394202 225 3,000 SH   DFND 1 3,000 0 0
MOSAIC CO NEW COM 61945C103 493 10,693 SH   DFND 2 10,693 0 0
MOTOROLA SOLUTIONS INC COM NEW 620076307 7,538 113,060 SH   DFND 2 113,060 0 0
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MURPHY USA INC COM 626755102 1,756 24,271 SH   DFND 2 24,271 0 0
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NCR CORP NEW COM 62886E108 7,410 251,114 SH   DFND 2 251,114 0 0
NETSUITE INC COM 64118Q107 390 4,200 SH   DFND 1 4,200 0 0
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NEWS CORP NEW CL A 65249B109 1,806 112,799 SH   DFND 2 112,799 0 0
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NOW INC COM 67011P100 1,226 56,660 SH   DFND 2 56,660 0 0
NUANCE COMMUNICATIONS INC COM 67020Y100 1,580 110,104 SH   DFND 1 110,104 0 0
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OIL STS INTL INC COM 678026105 7,133 179,363 SH   DFND 2 179,363 0 0
OMNICOM GROUP INC COM 681919106 306 3,928 SH   DFND 2 3,928 0 0
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ONE GAS INC COM 68235P108 1,140 26,364 SH   DFND 2 26,364 0 0
ONEOK PARTNERS LP UNIT LTD PARTN 68268N103 442 10,815 SH   DFND 1 10,815 0 0
ORBITZ WORLDWIDE INC COM 68557K109 2,046 175,453 SH   DFND 1 175,453 0 0
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PENN NATL GAMING INC COM 707569109 212 13,562 SH   DFND 2 13,562 0 0
PEPSICO INC COM 713448108 7,273 76,057 SH   DFND 2 76,057 0 0
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PLURISTEM THERAPEUTICS INC COM 72940R102 189 67,501 SH   DFND 1 67,501 0 0
PMC-SIERRA INC COM 69344F106 101 10,830 SH   DFND 2 10,830 0 0
POLYPORE INTL INC COM 73179V103 22,886 388,559 SH   DFND 1 388,559 0 0
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PTC THERAPEUTICS INC COM 69366J200 1,734 28,502 SH   DFND 1 28,502 0 0
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QUEST DIAGNOSTICS INC COM 74834L100 348 4,530 SH   DFND 2 4,530 0 0
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SELECT SECTOR SPDR TR SBI INT-FINL 81369Y605 0 10,000 SH   DFND 3 10,000 0 0
SEQUENOM INC COM NEW 817337405 132 33,538 SH   DFND 2 33,538 0 0
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SHIRE PLC SPONSORED ADR 82481R106 1,017 4,250 SH   DFND 1 4,250 0 0
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SIGMA ALDRICH CORP COM 826552101 59,585 430,993 SH   DFND 1 430,993 0 0
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