IRONWOOD PHARMACEUTICALS INC

Ticker: IRWD CUSIP: 46333X108 Class: COM CL A

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
ARMISTICE CAPITAL, LLC16,025,000$54,004
VANGUARD GROUP INC15,958,196$53,779
Sarissa Capital Management LP15,919,435$53,648
BlackRock, Inc.12,784,806$43,085
BANK OF AMERICA CORP /DE/11,521,660$38,828
RENAISSANCE TECHNOLOGIES LLC8,204,973$27,651
ACADIAN ASSET MANAGEMENT LLC6,457,817$22
CHARLES SCHWAB INVESTMENT MANAGEMENT INC4,975,939$16,769
AQR CAPITAL MANAGEMENT LLC4,723,531$15,918
MARSHALL WACE, LLP4,424,002$14,909
STATE STREET CORP4,411,222$14,866
GEODE CAPITAL MANAGEMENT, LLC3,623,534$12,214
FEDERATED HERMES, INC.3,318,137$11,182
TWO SIGMA ADVISERS, LP3,140,100$10,582
TWO SIGMA INVESTMENTS, LP2,853,205$9,615
JANE STREET GROUP, LLC2,819,562$9,502
JACOBS LEVY EQUITY MANAGEMENT, INC2,759,667$9,300
Connor, Clark & Lunn Investment Management Ltd.1,990,927$6,709
Qube Research & Technologies Ltd1,681,229$5,666
GOLDMAN SACHS GROUP INC1,275,315$4,298
NORTHERN TRUST CORP1,233,685$4,158
Hillsdale Investment Management Inc.1,156,378$3,897
DEUTSCHE BANK AG\1,109,924$3,740
LAZARD ASSET MANAGEMENT LLC1,000,445$3,372
RAYMOND JAMES FINANCIAL INC869,826$2,931
MORGAN STANLEY739,685$2,493
FMR LLC686,737$2,314
DIADEMA PARTNERS LP683,611$2,304
SEI INVESTMENTS CO673,862$2,271
Exome Asset Management LLC648,532$2,186
Amundi642,830$2,166
LOS ANGELES CAPITAL MANAGEMENT LLC634,331$951
IEQ CAPITAL, LLC633,260$2,134
GSA CAPITAL PARTNERS LLP571,613$2
MILLENNIUM MANAGEMENT LLC560,713$1,890
Walleye Capital LLC527,936$1,779
UBS Group AG510,543$1,721
Bank of New York Mellon Corp510,207$1,719
WELLINGTON MANAGEMENT GROUP LLP503,942$1,698
BRIDGEWAY CAPITAL MANAGEMENT, LLC495,993$1,671
Invesco Ltd.449,219$1,514
SUSQUEHANNA INTERNATIONAL GROUP, LLP448,799$1,512
Range Financial Group LLC426,095$1,436
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP412,061$1,389
BARCLAYS PLC392,904$1,324
FRANKLIN RESOURCES INC385,583$1,299
Robeco Institutional Asset Management B.V.342,998$1,156
Cerity Partners LLC338,512$1,141
DIMENSIONAL FUND ADVISORS LP330,836$1,115
O'SHAUGHNESSY ASSET MANAGEMENT, LLC290,278$978
Russell Investments Group, Ltd.265,357$894
CWM, LLC232,984$1
CITADEL ADVISORS LLC223,969$755
OMERS ADMINISTRATION Corp215,110$725
JPMORGAN CHASE & CO214,607$723
RHUMBLINE ADVISERS199,908$674
ALLIANCEBERNSTEIN L.P.199,520$672
Hennion & Walsh Asset Management, Inc.196,032$661
CANADA PENSION PLAN INVESTMENT BOARD188,000$634
Persistent Asset Partners Ltd182,046$613
STATE OF WISCONSIN INVESTMENT BOARD180,040$607
WELLS FARGO & COMPANY/MN176,582$595
KLP KAPITALFORVALTNING AS174,200$587
WINTON GROUP Ltd164,335$554
Creative Planning162,075$546
State of Wyoming157,325$530
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC155,523$665
PRUDENTIAL FINANCIAL INC141,129$476
Nuveen, LLC139,487$470
PRELUDE CAPITAL MANAGEMENT, LLC136,507$460
AMERIPRISE FINANCIAL INC119,969$404
Quantinno Capital Management LP118,893$401
D. E. Shaw & Co., Inc.117,446$396
Mariner, LLC114,119$384
Integrated Quantitative Investments LLC102,654$346
Cercano Management LLC101,378$342
PRICE T ROWE ASSOCIATES INC /MD/99,363$0
Squarepoint Ops LLC88,880$300
Pallas Capital Advisors LLC87,975$296
MetLife Investment Management, LLC87,521$295
Universal- Beteiligungs- und Servicegesellschaft mbH79,013$266
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.78,103$263
MERCER GLOBAL ADVISORS INC /ADV76,951$259
STRS OHIO76,600$258
EXCHANGE TRADED CONCEPTS, LLC76,554$258
SmartHarvest Portfolios, LLC75,585$255
Vanguard Personalized Indexing Management, LLC74,839$252
Virtus Investment Advisers, LLC74,311$250
INTECH INVESTMENT MANAGEMENT LLC71,573$241
CIBC WORLD MARKET INC.71,331$240
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO67,888$229
SCOTIA CAPITAL INC.67,183$226
EntryPoint Capital, LLC66,625$225
BALYASNY ASSET MANAGEMENT L.P.65,156$220
Rafferty Asset Management, LLC64,841$219
CAPTRUST FINANCIAL ADVISORS63,822$215
WEDBUSH SECURITIES INC63,733$0
Optimist Retirement Group LLC59,912$202
Buckingham Strategic Partners59,617$201
Virtus ETF Advisers LLC58,000$195
98 other institutions1,406,873$4,523
Total (198 institutions)154,621,039$494,812