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Disclosery

IRWD IRONWOOD PHARMACEUTICALS INC

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COMMON STOCK (common), issuer CIK 1446847

161 managers (166 13F filers) reported a position in IRWD shares at 2025-09-30, 148,658,333 shares in all. 29 filers opened a position and 18 filers sold out during the quarter.

Managers
161
13F filers
166
New
29
Added
52
Reduced
48
Sold out
18
Shares held by filers
148,658,333

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
ARMISTICE CAPITAL, LLC16,150,000$21.2M0.66%013F-HRTimeline
VANGUARD GROUP INCgroup of 2 filers holding16,144,712$21.1M-108,094Timeline
Sarissa Capital Management LP15,919,435$20.9M11.56%013F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.12,062,558$15.8M<0.01%+39,56013F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/11,695,544$15.3M<0.01%+8,337,67213F-HR/ATimelineGroup
RENAISSANCE TECHNOLOGIES LLC8,352,173$10.9M0.01%-53,99613F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC6,502,493$8.51M0.01%-47,19413F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding5,851,011$7.66M-283,662Timeline
Kynam Capital Management, LP5,466,825$7.16M0.53%013F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC5,378,535$7.05M<0.01%-787,10213F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co4,917,336$6.44M<0.01%+1,253,06013F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC3,614,987$4.74M<0.01%+115,65513F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP3,156,307$4.13M<0.01%+48,58813F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP3,144,139$4.12M<0.01%-849,41813F-HRTimelineGroup
Qube Research & Technologies Ltd2,806,910$3.68M0.01%-544,09213F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC2,321,095$3.04M<0.01%+575,97313F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…2,161,818$2.83M0.01%-45,13013F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.2,157,104$2.83M<0.01%-19,93413F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC1,920,530$2.52M0.01%+445,48413F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\1,527,229$2M<0.01%+3,89213F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP1,340,906$1.76M<0.01%+35,64113F-HRTimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC1,130,052$1.48M0.01%-81,10313F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC1,084,367$1.42M<0.01%-360,36313F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding811,664$1.06M+489,911Timeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO683,604$896K<0.01%013F-HRTimelineGroup
IEQ CAPITAL, LLC661,698$867K<0.01%+169,81613F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC644,046$844K<0.01%+334,77413F-HRTimelineGroup
FMR LLCin group FMR LLC559,946$734K<0.01%+62,74413F-HRTimelineGroup
HIGHBRIDGE CAPITAL MANAGEMENT LLC537,252$704K0.04%new13F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp503,078$659K<0.01%+15,89613F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY477,100$625K<0.01%-16,93413F-HR/ATimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.372,270$488K<0.01%-1,297,36913F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.366,532$480K<0.01%+44,38513F-HRTimelineGroup
State of Wyoming362,407$475K0.05%+156,76313F-HRTimeline
Robeco Institutional Asset Management B…in group Robeco Institutional Asset Ma…342,998$449K<0.01%-27,33613F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC339,048$444K<0.01%-64113F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…326,567$429K<0.01%+117,70613F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP309,529$405K0.03%-411,33113F-HRTimeline
ROYCE & ASSOCIATES LP300,619$394K<0.01%-205,44113F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC297,318$389K<0.01%-68,13213F-HR/ATimelineGroup
Tidal Investments LLCin group Tidal Investments LLC294,236$385K<0.01%-15,84313F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC250,119$328K<0.01%+153,78713F-HRTimelineGroup
CWM, LLCin group CWM, LLC232,790$305K<0.01%+50,01613F-HRTimelineGroup
RHUMBLINE ADVISERS223,229$292K<0.01%+7,61113F-HRTimeline
OMERS ADMINISTRATION Corp215,110$282K<0.01%013F-HRTimeline
ALLIANCEBERNSTEIN L.P.199,520$261K<0.01%013F-HRTimeline
EXCHANGE TRADED CONCEPTS, LLC195,732$256K<0.01%-145,80213F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…154,388$235K<0.01%+28,92813F-HRTimeline
KLP KAPITALFORVALTNING AS174,200$228K<0.01%013F-HRTimeline
Hennion & Walsh Asset Management, Inc.169,493$222K0.01%-3,08613F-HRTimeline
PANAGORA ASSET MANAGEMENT INC158,962$208K<0.01%+112,39313F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC150,000$196K<0.01%+75,00013F-HRTimeline
Arax Advisory Partners143,392$188K<0.01%new13F-HRTimeline
Focus Partners Wealthgroup of 2 filers holding96,947$172K+22,657Timeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …124,875$164K<0.01%-401,90013F-HRTimelineGroup
ALGERT GLOBAL LLC122,580$161K<0.01%013F-HR/ATimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC119,969$157K<0.01%+71,84213F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO112,157$147K<0.01%-1,12713F-HR/ATimelineGroup
Siren, L.L.C.in group Siren, L.L.C.110,532$145K0.01%013F-HRTimelineGroup
Engineers Gate Manager LP102,014$134K<0.01%+28,66013F-HRTimeline
Cercano Management LLC101,378$133K0.01%013F-HRTimeline
Mariner, LLCin group Mariner, LLC101,313$133K<0.01%-60,26113F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN101,252$133K<0.01%+13,75613F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…96,866$127K<0.01%-169,09313F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP90,373$118K<0.01%013F-HRTimelineGroup
Creative Planningin group Creative Planning90,156$118K<0.01%-3,52413F-HRTimelineGroup
Pallas Capital Advisors LLC87,569$115K<0.01%+8,05713F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/80,178$106K<0.01%-92,34313F-HRTimeline
TUDOR INVESTMENT CORP ET AL79,455$104K<0.01%013F-HR/ATimeline
Mirae Asset Global Investments Co., Ltd.group of 2 filers holding79,251$104K-14,435Timeline
STRS OHIO76,600$100K<0.01%013F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC72,194$94.6K<0.01%-15,59313F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV71,353$93.5K<0.01%+37,93813F-HRTimeline
CAPTRUST FINANCIAL ADVISORS63,154$82.7K<0.01%+18,70713F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…60,768$79.6K<0.01%+47,29913F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…58,009$76K<0.01%new13F-HRTimelineGroup
Cubist Systematic Strategies, LLC53,995$70.7K<0.01%new13F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …53,942$70.7K<0.01%new13F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC49,935$65.4K<0.01%+29,30013F-HRTimelineGroup
Merit Financial Group, LLC48,879$64K<0.01%+7,23213F-HR/ATimeline
Krilogy Financial LLC30,208$62.2K<0.01%new13F-HRTimeline
Police & Firemen's Retirement System of…44,115$57.8K<0.01%+14,80213F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND41,869$54.8K<0.01%013F-HRTimeline
GRIMES & Co WEALTH MANAGEMENT, LLC40,994$53.7K<0.01%013F-HRTimeline
HRT FINANCIAL LP39,844$52K<0.01%new13F-HRTimeline
SG Americas Securities, LLC36,952$48K<0.01%new13F-HRTimeline
CAPSTONE INVESTMENT ADVISORS, LLCin group CAPSTONE INVESTMENT ADVISORS,…36,268$47.5K<0.01%013F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS34,331$45K<0.01%+15,59413F-HRTimelineGroup
ProShare Advisors LLC33,145$43.4K<0.01%-5,70713F-HRTimeline
BRIGHTON JONES LLC33,071$43.3K<0.01%+2,64613F-HRTimeline
Requisite Capital Management, LLC31,748$41.6K0.01%new13F-HRTimeline
Ariadne Wealth Management, LP12,241$41.3K0.02%-64813F-HRTimeline
Vise Technologies, Inc.29,632$38.8K<0.01%new13F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC29,367$38.5K<0.01%-16,70813F-HRTimelineGroup
China Universal Asset Management Co., L…28,472$37.3K<0.01%-4,02913F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources23,251$30.5K<0.01%013F-HRTimelineGroup
Essential Partners LLC21,928$28.7K0.01%+7,46913F-HRTimeline
OVERSEA-CHINESE BANKING Corp Ltdin group OVERSEA-CHINESE BANKING Corp …21,465$28.1K<0.01%-13,55113F-HRTimelineGroup
SHELL ASSET MANAGEMENT CO21,021$28K<0.01%-5,66813F-HRTimeline
SIMPLEX TRADING, LLC20,739$27K<0.01%+19,96313F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC20,267$26.6K<0.01%-59,60013F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC20,219$26.5K<0.01%-45,91713F-HRTimelineGroup
Integrated Wealth Concepts LLC19,295$25.3K<0.01%+3,40613F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc18,359$24.1K<0.01%013F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC18,005$23.6K<0.01%-61413F-HRTimeline
Broderick Brian C18,000$23.6K<0.01%013F-HRTimeline
CIBC Bancorp USA Inc.in group CIBC Bancorp USA Inc.17,056$22.3K<0.01%13F-HR/ATimelineGroup
Dynamic Technology Lab Private Ltd16,118$21K<0.01%-15,38213F-HRTimeline
NorthCrest Asset Manangement, LLC13,002$19.8K<0.01%+1,88113F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC15,046$19.7K<0.01%-24913F-HRTimelineGroup
HighTower Advisors, LLC15,000$19.6K<0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…14,571$19.1K<0.01%+2,55013F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…13,773$18K<0.01%013F-HRTimelineGroup
Wedmont Private Capital11,651$17.7K<0.01%new13F-HRTimeline
FARALLON CAPITAL MANAGEMENT, L.L.C.13,000$17K<0.01%013F-HR/ATimeline
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding12,728$16.7K-176,336Timeline
waypoint wealth counsel12,658$16.6K0.01%new13F-HRTimeline
DIVERSIFIED TRUST CO12,574$16.5K<0.01%013F-HRTimeline
XPONANCE LLC12,339$16.2K<0.01%013F-HRTimeline
Cetera Investment Advisers11,949$15.7K<0.01%new13F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd11,247$14.7K<0.01%new13F-HRTimelineGroup
COLDSTREAM CAPITAL MANAGEMENT INC11,001$14.4K<0.01%new13F-HRTimeline
Stonebrook Private Inc.10,985$14.4K<0.01%new13F-HRTimeline
EVOKE WEALTH, LLC10,835$14.2K<0.01%new13F-HRTimeline
Kaufman Rossin Wealth, LLC10,516$13.8K0.01%new13F-HRTimeline
MACKENZIE FINANCIAL CORP10,460$13.7K<0.01%013F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…10,258$13.4K<0.01%+713F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC10,242$13.4K<0.01%-20,29213F-HRTimelineGroup
Allegiance Financial Group Advisory Ser…10,108$13.2K<0.01%new13F-HRTimeline
Fisher Asset Management, LLC10,000$13.1K<0.01%013F-HRTimeline
EMC Capital Management9,866$13K0.01%013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…9,524$12.5K<0.01%-18,47813F-HRTimelineGroup
HARBOR CAPITAL ADVISORS, INC.8,037$11K<0.01%new13F-HRTimeline
AMALGAMATED BANK4,677$6K<0.01%013F-HRTimeline
IFP Advisors, Inc4,025$5.27K<0.01%+61913F-HR/ATimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.3,352$4.76K<0.01%+3,32913F-HRTimelineGroup
Point72 (DIFC) Ltd3,611$4.73K<0.01%new13F-HRTimeline
GF FUND MANAGEMENT CO. LTD.3,387$4.44K<0.01%-58413F-HRTimeline
Clearstead Advisors, LLC3,028$3.97K<0.01%+1,51313F-HRTimeline
True Wealth Design, LLC2,361$3.09K<0.01%+1,34313F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.2,162$2.83K<0.01%+1,99813F-HRTimelineGroup
WealthCollab, LLC1,970$2.58K<0.01%013F-HRTimeline
Physician Wealth Advisors, Inc.1,669$2.19K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC1,627$2.13K<0.01%-42413F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA1,517$2K<0.01%-8,70913F-HRTimelineGroup
Sterling Capital Management LLC1,241$1.63K<0.01%+53913F-HRTimeline
Allworth Financial LP1,228$1.61K<0.01%+95913F-HRTimeline
ROTHSCHILD INVESTMENT LLC920$1.21K<0.01%new13F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC932$1K<0.01%new13F-HRTimelineGroup
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.573$1K<0.01%013F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…662$867<0.01%new13F-HRTimelineGroup
Sunbelt Securities, Inc.444$582<0.01%new13F-HRTimeline
CoreCap Advisors, LLC235$308<0.01%new13F-HRTimeline
Clean Yield Group85$111<0.01%013F-HRTimeline
SBI Securities Co., Ltd.68$89<0.01%-213F-HRTimeline
Bell Investment Advisors, Inc48$63<0.01%013F-HRTimeline
Blue Trust, Inc.34$45<0.01%013F-HRTimeline
Steward Partners Investment Advisory, L…17$22<0.01%013F-HRTimeline
Point72 Asia (Singapore) Pte. Ltd.1$1<0.01%new13F-HRTimeline
Avion Wealth408$00%new13F-HRTimelineValue filed as zero, left out of ratios.
Covestor Ltd94$00%013F-HRTimelineValue filed as zero, left out of ratios.