Ironwood Pharmaceuticals Inc
IRWD- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001446847
In the last 90 days, Ironwood Pharmaceuticals Inc insiders filed 0 open-market purchases and 1 sale; 212 institutions reported holding it in 13F filings for Q2 2026, worth $675.8M in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in Ironwood Pharmaceuticals Inc as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 155
- −45 vs. Q1 2025
- Shares held
- 146.2M
- −9.26M (−6.0%) vs. Q1 2025
- Total value
- $104.9M
- −$123.6M (−54.1%) vs. Q1 2025
- New holders
- 19
- 60 more added
- Sold out
- 64
- 51 more reduced
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IRWD on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 212 | $675.8M |
| Q1 2026 | 227 | $566.8M |
| Q4 2025 | 199 | $520.2M |
| Q3 2025 | 166 | $194.9M |
| Q2 2025 | 155 | $104.9M |
| Q1 2025 | 200 | $228.5M |
| Q4 2024 | 223 | $727.5M |
| Q3 2024 | 221 | $673.7M |
| Q2 2024 | 227 | $1.12B |
| Q1 2024 | 261 | $1.50B |
| Q4 2023 | 251 | $1.89B |
| Q3 2023 | 249 | $1.56B |
| Q2 2023 | 252 | $1.77B |
| Q1 2023 | 255 | $1.74B |
| Q4 2022 | 250 | $2.08B |
| Q3 2022 | 245 | $1.76B |
| Q2 2022 | 240 | $2.02B |
| Q1 2022 | 221 | $2.09B |
| Q4 2021 | 212 | $2.00B |
| Q3 2021 | 229 | $2.32B |
| Q2 2021 | 209 | $2.25B |
| Q1 2021 | 210 | $1.91B |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| KLP Kapitalforvaltning AS | 174,200 | $124.9K | 0.00% | −24,200−12.2% | Reduced |
| CWM, LLC | 182,774 | $131.0K | 0.00% | +125,773+220.7% | Added |
| Principal Financial Group Inc | 189,064 | $135.6K | 0.00% | +96,682+104.7% | Added |
| Alliancebernstein L.P. | 199,520 | $143.1K | 0.00% | +46,960+30.8% | Added |
| State of Wyoming | 205,644 | $147.5K | 0.02% | +146,869+249.9% | Added |
| Russell Investments Group, Ltd. | 208,861 | $150.0K | 0.00% | −9,167−4.2% | Reduced |
| Omers Administration Corp | 215,110 | $154.3K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 215,618 | $154.6K | 0.00% | +7,575+3.6% | Added |
| Man Group plc | 234,257 | $168.0K | 0.00% | −99,461−29.8% | Reduced |
| Susquehanna International Group, LLP | 265,959 | $190.7K | 0.00% | −382,308−59.0% | Reduced |
| UBS Group AG | 300,110 | $215.2K | 0.00% | +175,839+141.5% | Added |
| Citadel Advisors LLC | 309,272 | $221.8K | 0.00% | −631,276−67.1% | Reduced |
| Toroso Investments, LLC | 310,079 | $222.4K | 0.00% | +310,079 | New |
| Invesco Ltd. | 322,147 | $231.0K | 0.00% | +46,894+17.0% | Added |
| Cerity Partners LLC | 339,689 | $243.6K | 0.00% | +243,211+252.1% | Added |
| Exchange Traded Concepts, LLC | 341,534 | $244.9K | 0.00% | +163,011+91.3% | Added |
| Barclays PLC | 365,450 | $262.1K | 0.00% | +36,061+10.9% | Added |
| Robeco Institutional Asset Management B.V. | 370,334 | $265.6K | 0.00% | −10,626−2.8% | Reduced |
| Bank of New York Mellon Corp | 487,182 | $349.4K | 0.00% | −12,431−2.5% | Reduced |
| Ieq Capital, LLC | 491,882 | $352.8K | 0.00% | +306,154+164.8% | Added |
| Morgan Stanley | 494,034 | $354.3K | 0.00% | −1,369,187−73.5% | Reduced |
| FMR LLC | 497,202 | $356.6K | 0.00% | +17,461+3.6% | Added |
| Royce & Associates LP | 506,060 | $362.9K | 0.00% | −229,376−31.2% | Reduced |
| Graham Capital Management, L.P. | 523,378 | $375.4K | 0.01% | +319,840+157.1% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 526,775 | $377.8K | 0.00% | +108,822+26.0% | Added |
| CWM Advisors, LLC | 552,420 | $396.2K | 0.04% | +320,595+138.3% | Added |
| SEI Investments Co | 683,604 | $490.3K | 0.00% | +496,857+266.1% | Added |
| Gsa Capital Partners LLP | 720,860 | $517.0K | 0.04% | +196,184+37.4% | Added |
| Amundi | 755,536 | $558.9K | 0.00% | +685,556+979.6% | Added |
| Los Angeles Capital Management LLC | 1,211,155 | $868.6K | 0.00% | +523,368+76.1% | Added |
| Northern Trust Corp | 1,305,265 | $936.1K | 0.00% | −101,269−7.2% | Reduced |
| Goldman Sachs Group Inc | 1,444,730 | $1.04M | 0.00% | −130,686−8.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,475,046 | $1.06M | 0.00% | −105,274−6.7% | Reduced |
| Deutsche Bank AG | 1,523,337 | $1.10M | 0.00% | −30,817−2.0% | Reduced |
| D. E. Shaw & Co., Inc. | 1,669,639 | $1.20M | 0.00% | +1,559,915+1,421.7% | Added |
| Jane Street Group, LLC | 1,745,122 | $1.25M | 0.00% | −1,764,995−50.3% | Reduced |
| Federated Hermes, Inc. | 2,177,038 | $1.56M | 0.00% | +871,676+66.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 2,206,948 | $1.58M | 0.01% | +718,904+48.3% | Added |
| LSV Asset Management | 2,750,200 | $1.97M | 0.00% | −1,247,601−31.2% | Reduced |
| Two Sigma Investments, LP | 2,750,573 | $1.97M | 0.00% | +1,523,377+124.1% | Added |
| State Street Corp | 3,107,719 | $2.23M | 0.00% | −390,570−11.2% | Reduced |
| Qube Research & Technologies Ltd | 3,351,002 | $2.40M | 0.00% | +43,943+1.3% | Added |
| Bank of America Corp | 3,357,872 | $2.41M | 0.00% | +1,929,356+135.1% | Added |
| Two Sigma Advisers, LP | 3,384,100 | $2.43M | 0.00% | +1,499,500+79.6% | Added |
| Geode Capital Management, LLC | 3,499,332 | $2.51M | 0.00% | +81,243+2.4% | Added |
| Charles Schwab Investment Management Inc | 3,664,276 | $2.63M | 0.00% | +1,017,261+38.4% | Added |
| Marshall Wace, LLP | 3,993,557 | $2.88M | 0.00% | +3,436,036+616.3% | Added |
| Kynam Capital Management, LP | 5,466,825 | $3.92M | 0.42% | −356,113−6.1% | Reduced |
| AQR Capital Management LLC | 6,165,637 | $4.42M | 0.00% | +3,641,762+144.3% | Added |
| Acadian Asset Management LLC | 6,549,687 | $4.68M | 0.01% | +3,904,498+147.6% | Added |
| Renaissance Technologies LLC | 8,406,169 | $6.03M | 0.01% | −1,534,323−15.4% | Reduced |
| BlackRock, Inc. | 12,022,998 | $8.62M | 0.00% | +144,074+1.2% | Added |
| Sarissa Capital Management LP | 15,919,435 | $11.4M | 7.40% | −470,565−2.9% | Reduced |
| Armistice Capital, LLC | 16,150,000 | $11.6M | 0.44% | +2,450,000+17.9% | Added |
| Vanguard Group Inc | 16,202,129 | $11.6M | 0.00% | +505,968+3.2% | Added |
| Braidwell LP | 0 | $0 | 0.00% | −6,622,584−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −1,789,098−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −1,532,565−100.0% | Sold out |
| Jupiter Asset Management Ltd | 0 | $0 | 0.00% | −1,223,275−100.0% | Sold out |
| Sio Capital Management, LLC | 0 | $0 | 0.00% | −1,017,616−100.0% | Sold out |
| Voleon Capital Management LP | 0 | $0 | 0.00% | −870,629−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −552,613−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −494,620−100.0% | Sold out |
| Nuveen, LLC | 0 | $0 | 0.00% | −471,361−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −431,410−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −332,810−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −307,337−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −293,100−100.0% | Sold out |
| Swiss National Bank | 0 | $0 | 0.00% | −282,700−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −215,843−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −210,731−100.0% | Sold out |
| Parkman Healthcare Partners LLC | 0 | $0 | 0.00% | −205,086−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −116,860−100.0% | Sold out |
| Old West Investment Management, LLC | 0 | $0 | 0.00% | −108,211−100.0% | Sold out |
| Virtus Investment Advisers, Inc. | 0 | $0 | 0.00% | −100,851−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −69,310−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −67,229−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −66,187−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −62,019−100.0% | Sold out |
| Quantessence Capital LLC | 0 | $0 | 0.00% | −58,149−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −52,701−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −48,851−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −42,877−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −41,701−100.0% | Sold out |
| Arizona State Retirement System | 0 | $0 | 0.00% | −41,313−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −39,782−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −38,764−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −36,316−100.0% | Sold out |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0 | $0 | 0.00% | −35,702−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −34,658−100.0% | Sold out |
| Simplicity Wealth,LLC | 0 | $0 | 0.00% | −30,324−100.0% | Sold out |
| Legacy Capital Group California, Inc. | 0 | $0 | 0.00% | −29,222−100.0% | Sold out |
| McAdam, LLC | 0 | $0 | 0.00% | −27,294−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −27,118−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −26,728−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −26,240−100.0% | Sold out |
| Public Employees Retirement Association of Colorado | 0 | $0 | 0.00% | −24,883−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −16,677−100.0% | Sold out |
| Pictet Asset Management Holding SA | 0 | $0 | 0.00% | −16,495−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −15,900−100.0% | Sold out |