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, Q1 2025
Institutional positions in Ironwood Pharmaceuticals Inc as of Mar 31, 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
- 200
- −21 vs. Q4 2024
- Shares held
- 155.5M
- −8.33M (−5.1%) vs. Q4 2024
- Total value
- $228.5M
- −$497.1M (−68.5%) vs. Q4 2024
- New holders
- 30
- 73 more added
- Sold out
- 51
- 63 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Saturn V Capital Management LLC | 0 | $0 | 0.00% | −814,533−100.0% | Sold out |
| Stonepine Capital Management, LLC | 0 | $0 | 0.00% | −648,785−100.0% | Sold out |
| Public Sector Pension Investment Board | 0 | $0 | 0.00% | −352,106−100.0% | Sold out |
| Wedge Capital Management L L P | 0 | $0 | 0.00% | −289,023−100.0% | Sold out |
| Norges Bank | 0 | $0 | 0.00% | −252,291−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −236,732−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −223,938−100.0% | Sold out |
| Vestcor Inc | 0 | $0 | 0.00% | −148,614−100.0% | Sold out |
| MYDA Advisors LLC | 0 | $0 | 0.00% | −115,200−100.0% | Sold out |
| Thrivent Financial for Lutherans | 0 | $0 | 0.00% | −108,850−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −99,610−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −98,218−100.0% | Sold out |
| Ensign Peak Advisors, Inc | 0 | $0 | 0.00% | −85,392−100.0% | Sold out |
| State of Alaska, Department of Revenue | 0 | $0 | 0.00% | −80,212−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −74,330−100.0% | Sold out |
| Louisiana State Employees Retirement System | 0 | $0 | 0.00% | −68,100−100.0% | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −66,821−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −51,455−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Gallacher Capital Management LLC | 0 | $0 | 0.00% | −49,821−100.0% | Sold out |
| Maryland State Retirement & Pension System | 0 | $0 | 0.00% | −47,110−100.0% | Sold out |
| Yousif Capital Management, LLC | 0 | $0 | 0.00% | −42,766−100.0% | Sold out |
| New York State Teachers Retirement System | 0 | $0 | 0.00% | −34,900−100.0% | Sold out |
| Oregon Public Employees Retirement Fund | 0 | $0 | 0.00% | −33,150−100.0% | Sold out |
| Connors Investor Services Inc | 0 | $0 | 0.00% | −31,000−100.0% | Sold out |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 0 | $0 | 0.00% | −30,064−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −26,894−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −23,852−100.0% | Sold out |
| Gerber, LLC | 0 | $0 | 0.00% | −23,600−100.0% | Sold out |
| Mutual of America Capital Management LLC | 0 | $0 | 0.00% | −21,332−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −20,185−100.0% | Sold out |
| Rpo LLC | 0 | $0 | 0.00% | −17,293−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −16,746−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −12,970−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −12,502−100.0% | Sold out |
| CIBC Asset Management Inc | 0 | $0 | 0.00% | −12,054−100.0% | Sold out |
| Journey Strategic Wealth LLC | 0 | $0 | 0.00% | −10,155−100.0% | Sold out |
| Fifth Third Bancorp | 0 | $0 | 0.00% | −3,366−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −1,403−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −753−100.0% | Sold out |
| Umb Bank N A | 0 | $0 | 0.00% | −722−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −652−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −627−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −666−100.0% | Sold out |
| Massmutual Trust Co FSB | 0 | $0 | 0.00% | −350−100.0% | Sold out |
| Lindbrook Capital, LLC | 0 | $0 | 0.00% | −326−100.0% | Sold out |
| Riverview Trust Co | 0 | $0 | 0.00% | −154−100.0% | Sold out |
| Farmers & Merchants Investments Inc | 0 | $0 | 0.00% | −101−100.0% | Sold out |
| Huntington National Bank | 0 | $0 | 0.00% | −92−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| Abound Wealth Management | 0 | $0 | 0.00% | −34−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |