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, Q4 2023
Institutional positions in Ironwood Pharmaceuticals Inc as of Dec 31, 2023. 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
- 251
- +5 vs. Q3 2023
- Shares held
- 165.0M
- +5.37M (+3.4%) vs. Q3 2023
- Total value
- $1.89B
- +$324.4M (+20.8%) vs. Q3 2023
- New holders
- 31
- 87 more added
- Sold out
- 26
- 94 more reduced
3 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| 13D Management LLC | 367,649 | $4.21M | 2.47% | +333,348+971.8% | Added |
| Legal & General Group Plc | 393,228 | $4.50M | 0.00% | −1,881−0.5% | Reduced |
| UBS Group AG | 445,308 | $5.09M | 0.00% | −449,766−50.2% | Reduced |
| Deutsche Bank AG | 453,725 | $5.19M | 0.00% | +379,558+511.8% | Added |
| Rhumbline Advisers | 458,743 | $5.25M | 0.01% | +507+0.1% | Added |
| Cubist Systematic Strategies, LLC | 472,990 | $5.41M | 0.07% | +314,124+197.7% | Added |
| Brandywine Global Investment Management, LLC | 478,605 | $5.48M | 0.04% | +2,046+0.4% | Added |
| Citadel Advisors LLC | 495,471 | $5.67M | 0.01% | +381,454+334.6% | Added |
| Barclays PLC | 552,568 | $6.32M | 0.00% | −26,104−4.5% | Reduced |
| Invesco Ltd. | 558,027 | $6.38M | 0.00% | −486,694−46.6% | Reduced |
| BNP Paribas Arbitrage, SA | 572,947 | $6.55M | 0.01% | +148,402+35.0% | Added |
| Two Sigma Investments, LP | 585,847 | $6.70M | 0.02% | −808,316−58.0% | Reduced |
| Bank of America Corp | 686,766 | $7.86M | 0.00% | −110,860−13.9% | Reduced |
| Rafferty Asset Management, LLC | 701,770 | $8.03M | 0.03% | −172,282−19.7% | Reduced |
| Eventide Asset Management, LLC | 740,554 | $8.47M | 0.14% | +740,554 | New |
| American Century Companies Inc | 777,399 | $8.89M | 0.01% | −503,870−39.3% | Reduced |
| Ameriprise Financial Inc | 787,048 | $9.00M | 0.00% | +74,057+10.4% | Added |
| New York State Common Retirement Fund | 791,736 | $9.06M | 0.01% | +8,740+1.1% | Added |
| Principal Financial Group Inc | 801,780 | $9.17M | 0.01% | −690.0% | Reduced |
| Norges Bank | 814,774 | $9.32M | 0.00% | −104,275−11.3% | Reduced |
| Checkpoint Capital L.P. | 880,000 | $10.1M | 7.03% | +880,000 | New |
| First Eagle Investment Management, LLC | 907,225 | $10.4M | 0.02% | +90,636+11.1% | Added |
| Millennium Management LLC | 972,135 | $11.1M | 0.01% | +794,782+448.1% | Added |
| Goldman Sachs Group Inc | 1,081,665 | $12.4M | 0.00% | −24,904−2.3% | Reduced |
| Bank of New York Mellon Corp | 1,128,018 | $12.9M | 0.00% | −91,968−7.5% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 1,140,470 | $13.0M | 0.05% | +43,800+4.0% | Added |
| Charles Schwab Investment Management Inc | 1,288,653 | $14.7M | 0.00% | +57,859+4.7% | Added |
| Glenmede Trust Co NA | 1,292,428 | $14.8M | 0.08% | −32,307−2.4% | Reduced |
| Two Sigma Advisers, LP | 1,341,800 | $15.4M | 0.04% | −503,800−27.3% | Reduced |
| Man Group plc | 1,425,389 | $16.3M | 0.05% | – | – |
| JPMorgan Chase & Co | 1,454,881 | $16.6M | 0.00% | +973,576+202.3% | Added |
| Adage Capital Partners GP, L.L.C. | 1,511,789 | $17.3M | 0.04% | −950,511−38.6% | Reduced |
| Driehaus Capital Management LLC | 1,582,134 | $18.1M | 0.22% | −4,631−0.3% | Reduced |
| Northern Trust Corp | 1,588,392 | $18.2M | 0.00% | −53,495−3.3% | Reduced |
| Nuveen Asset Management, LLC | 1,836,325 | $21.0M | 0.01% | +706,218+62.5% | Added |
| Morgan Stanley | 2,147,818 | $24.6M | 0.00% | +247,035+13.0% | Added |
| Point72 Asset Management, L.P. | 2,217,669 | $25.4M | 0.08% | +979,896+79.2% | Added |
| Jupiter Asset Management Ltd | 2,270,042 | $26.0M | 0.26% | +59,057+2.7% | Added |
| Jacobs Levy Equity Management, Inc | 3,009,203 | $34.4M | 0.17% | +630,908+26.5% | Added |
| Geode Capital Management, LLC | 3,080,463 | $35.2M | 0.00% | +156,340+5.3% | Added |
| Dimensional Fund Advisors LP | 3,081,811 | $35.3M | 0.01% | −2,435,165−44.1% | Reduced |
| Brown Capital Management LLC | 3,709,431 | $42.4M | 0.64% | −10,365−0.3% | Reduced |
| Victory Capital Management Inc | 4,224,583 | $48.3M | 0.05% | −182,149−4.1% | Reduced |
| Credit Suisse AG | 5,612,113 | $64.2M | 0.06% | +1,110,544+24.7% | Added |
| Armistice Capital, LLC | 5,700,000 | $65.2M | 1.73% | +2,244,000+64.9% | Added |
| Renaissance Technologies LLC | 6,595,898 | $75.5M | 0.12% | +796,000+13.7% | Added |
| LSV Asset Management | 6,782,101 | $77.6M | 0.17% | −382,108−5.3% | Reduced |
| State Street Corp | 11,532,088 | $131.9M | 0.01% | −464,777−3.9% | Reduced |
| Vanguard Group Inc | 16,033,545 | $183.4M | 0.00% | +1,137,845+7.6% | Added |
| Sarissa Capital Management LP | 16,390,000 | $187.5M | 28.90% | 00.0% | Unchanged |
| BlackRock Inc. | 25,980,308 | $297.2M | 0.01% | +746,046+3.0% | Added |
| Braidwell LP | 0 | $0 | 0.00% | −1,348,099−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −188,807−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −166,968−100.0% | Sold out |
| Illinois Municipal Retirement Fund | 0 | $0 | 0.00% | −77,141−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −72,462−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −71,240−100.0% | Sold out |
| Affinity Investment Advisors, LLC | 0 | $0 | 0.00% | −50,733−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −48,528−100.0% | Sold out |
| Cornercap Investment Counsel Inc | 0 | $0 | 0.00% | −47,941−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −41,000−100.0% | Sold out |
| First Hawaiian Bank | 0 | $0 | 0.00% | −34,730−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −33,225−100.0% | Sold out |
| Schroder Investment Management Group | 0 | $0 | 0.00% | −30,256−100.0% | Sold out |
| First Manhattan Co | 0 | $0 | 0.00% | −28,758−100.0% | Sold out |
| Sumitomo Mitsui Trust Holdings, Inc. | 0 | $0 | 0.00% | −27,373−100.0% | Sold out |
| Prospera Financial Services Inc | 0 | $0 | 0.00% | −26,067−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −24,195−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −15,318−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −10,412−100.0% | Sold out |
| Tri Locum Partners LP | 0 | $0 | 0.00% | −10,326−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −6,737−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −455−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −131−100.0% | Sold out |
| First Horizon Advisors, Inc. | 0 | $0 | 0.00% | −84−100.0% | Sold out |
| Quantamental Technologies LLC | – | – | – | – | Not filed |
| Virginia Retirement Systems Et Al | – | – | – | – | Not filed |
| Steward Financial Group LLC | – | – | – | – | Not filed |