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 2024
Institutional positions in Ironwood Pharmaceuticals Inc as of Mar 31, 2024. 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
- 261
- +11 vs. Q4 2023
- Shares held
- 172.4M
- +7.41M (+4.5%) vs. Q4 2023
- Total value
- $1.50B
- −$385.6M (−20.4%) vs. Q4 2023
- New holders
- 54
- 85 more added
- Sold out
- 43
- 84 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| D. E. Shaw & Co., Inc. | 288,653 | $2.51M | 0.00% | +59,623+26.0% | Added |
| Barclays PLC | 290,245 | $2.53M | 0.00% | −262,323−47.5% | Reduced |
| Susquehanna International Group, LLP | 291,600 | $2.54M | 0.00% | +118,631+68.6% | Added |
| Edgestream Partners, L.P. | 296,287 | $2.58M | 0.13% | +296,287 | New |
| Franklin Resources Inc | 311,340 | $2.71M | 0.00% | +282,762+989.4% | Added |
| American Century Companies Inc | 327,133 | $2.85M | 0.00% | −450,266−57.9% | Reduced |
| Bridgeway Capital Management, LLC | 328,000 | $2.86M | 0.06% | +328,000 | New |
| Rhumbline Advisers | 363,124 | $3.16M | 0.00% | −95,619−20.8% | Reduced |
| Redwood Investment Management, LLC | 366,691 | $3.19M | 0.31% | +84,072+29.7% | Added |
| Legal & General Group Plc | 396,607 | $3.45M | 0.00% | +3,379+0.9% | Added |
| 13D Management LLC | 419,284 | $3.65M | 2.23% | +51,635+14.0% | Added |
| Millennium Management LLC | 461,444 | $4.02M | 0.00% | −510,691−52.5% | Reduced |
| AQR Capital Management LLC | 469,742 | $4.09M | 0.01% | +387,941+474.2% | Added |
| Invesco Ltd. | 516,963 | $4.50M | 0.00% | −41,064−7.4% | Reduced |
| Marshall Wace, LLP | 572,500 | $4.99M | 0.01% | +284,680+98.9% | Added |
| Royce & Associates LP | 591,004 | $5.15M | 0.05% | +292,241+97.8% | Added |
| Ameriprise Financial Inc | 612,407 | $5.33M | 0.00% | −174,641−22.2% | Reduced |
| BNP Paribas Arbitrage, SA | 612,600 | $5.34M | 0.01% | +39,653+6.9% | Added |
| Checkpoint Capital L.P. | 618,528 | $5.39M | 3.60% | −261,472−29.7% | Reduced |
| Emerald Mutual Fund Advisers Trust | 644,153 | $5.61M | 0.29% | +644,153 | New |
| Norges Bank | 649,179 | $5.65M | 0.00% | −165,595−20.3% | Reduced |
| Russell Investments Group, Ltd. | 777,847 | $6.78M | 0.01% | +552,227+244.8% | Added |
| Principal Financial Group Inc | 804,900 | $7.01M | 0.00% | +3,120+0.4% | Added |
| New York State Common Retirement Fund | 809,002 | $7.05M | 0.01% | +17,266+2.2% | Added |
| Emerald Advisers, LLC | 822,749 | $7.17M | 0.29% | +822,749 | New |
| Citadel Advisors LLC | 833,274 | $7.26M | 0.01% | +337,803+68.2% | Added |
| Parkman Healthcare Partners LLC | 850,000 | $7.40M | 0.91% | +729,348+604.5% | Added |
| Hodges Capital Management Inc. | 863,500 | $7.52M | 0.48% | +863,500 | New |
| Bank of America Corp | 906,289 | $7.89M | 0.00% | +219,523+32.0% | Added |
| Saturn V Capital Management LLC | 944,912 | $8.23M | 3.30% | +944,912 | New |
| Citigroup Inc | 947,710 | $8.25M | 0.01% | +585,710+161.8% | Added |
| First Eagle Investment Management, LLC | 1,002,225 | $8.73M | 0.02% | +95,000+10.5% | Added |
| Rafferty Asset Management, LLC | 1,017,819 | $8.87M | 0.03% | +316,049+45.0% | Added |
| Bank of New York Mellon Corp | 1,037,418 | $9.04M | 0.00% | −90,600−8.0% | Reduced |
| JPMorgan Chase & Co | 1,185,225 | $10.3M | 0.00% | −269,656−18.5% | Reduced |
| Two Sigma Investments, LP | 1,188,233 | $10.3M | 0.03% | +602,386+102.8% | Added |
| Two Sigma Advisers, LP | 1,285,000 | $11.2M | 0.03% | −56,800−4.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 1,312,244 | $11.4M | 0.09% | +1,239,268+1,698.2% | Added |
| Goldman Sachs Group Inc | 1,379,662 | $12.0M | 0.00% | +297,997+27.5% | Added |
| Glenmede Trust Co NA | 1,390,627 | $12.1M | 0.06% | +98,199+7.6% | Added |
| Charles Schwab Investment Management Inc | 1,392,403 | $12.1M | 0.00% | +103,750+8.1% | Added |
| Jupiter Asset Management Ltd | 1,479,964 | $12.9M | 0.12% | −790,078−34.8% | Reduced |
| Deutsche Bank AG | 1,517,726 | $13.2M | 0.01% | +1,064,001+234.5% | Added |
| Northern Trust Corp | 1,532,517 | $13.3M | 0.00% | −55,875−3.5% | Reduced |
| Kynam Capital Management, LP | 1,625,000 | $14.2M | 1.57% | +1,625,000 | New |
| Nuveen Asset Management, LLC | 1,843,243 | $16.1M | 0.00% | +6,918+0.4% | Added |
| Morgan Stanley | 2,678,116 | $23.3M | 0.00% | +530,298+24.7% | Added |
| Brown Capital Management LLC | 2,700,705 | $23.5M | 0.42% | −1,008,726−27.2% | Reduced |
| Man Group plc | 2,985,313 | $26.0M | 0.07% | +1,559,924+109.4% | Added |
| UBS Group AG | 3,027,715 | $26.4M | 0.01% | +2,582,407+579.9% | Added |
| Geode Capital Management, LLC | 3,147,158 | $27.4M | 0.00% | +66,695+2.2% | Added |
| Braidwell LP | 3,489,843 | $30.4M | 0.98% | +3,489,843 | New |
| Jacobs Levy Equity Management, Inc | 4,235,580 | $36.9M | 0.16% | +1,226,377+40.8% | Added |
| Armistice Capital, LLC | 5,400,000 | $47.0M | 1.25% | −300,000−5.3% | Reduced |
| LSV Asset Management | 6,151,001 | $53.6M | 0.11% | −631,100−9.3% | Reduced |
| Renaissance Technologies LLC | 7,099,801 | $61.8M | 0.10% | +503,903+7.6% | Added |
| Pacer Advisors, Inc. | 7,206,187 | $62.8M | 0.14% | +7,206,187 | New |
| State Street Corp | 13,917,111 | $121.2M | 0.01% | +2,385,023+20.7% | Added |
| Sarissa Capital Management LP | 16,390,000 | $142.8M | 24.97% | 00.0% | Unchanged |
| Vanguard Group Inc | 19,521,366 | $170.0M | 0.00% | +3,487,821+21.8% | Added |
| BlackRock Inc. | 24,157,768 | $210.4M | 0.00% | −1,822,540−7.0% | Reduced |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −2,217,669−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −1,511,789−100.0% | Sold out |
| Hotchkis & Wiley Capital Management LLC | 0 | $0 | 0.00% | −1,140,470−100.0% | Sold out |
| Eventide Asset Management, LLC | 0 | $0 | 0.00% | −740,554−100.0% | Sold out |
| Brandywine Global Investment Management, LLC | 0 | $0 | 0.00% | −478,605−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −472,990−100.0% | Sold out |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0 | $0 | 0.00% | −347,016−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −335,614−100.0% | Sold out |
| Sofinnova Investments, Inc. | 0 | $0 | 0.00% | −331,099−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −303,675−100.0% | Sold out |
| AlphaCentric Advisors LLC | 0 | $0 | 0.00% | −245,000−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −239,832−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −227,767−100.0% | Sold out |
| Cowen and Company, LLC | 0 | $0 | 0.00% | −200,578−100.0% | Sold out |
| Moran Wealth Management, LLC | 0 | $0 | 0.00% | −200,160−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −190,143−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −189,276−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −139,858−100.0% | Sold out |
| Skandinaviska Enskilda Banken AB (publ) | 0 | $0 | 0.00% | −98,300−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −79,168−100.0% | Sold out |
| Hussman Strategic Advisors, Inc. | 0 | $0 | 0.00% | −63,000−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −52,339−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −42,902−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −33,963−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −27,908−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −23,100−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −21,660−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −21,270−100.0% | Sold out |
| Vident Advisory, LLC | 0 | $0 | 0.00% | −19,619−100.0% | Sold out |
| Quantedge Capital Pte Ltd | 0 | $0 | 0.00% | −17,400−100.0% | Sold out |
| Ethic Inc. | 0 | $0 | 0.00% | −10,496−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −10,350−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −7,400−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −4,011−100.0% | Sold out |
| Chiron Investment Management, LLC | 0 | $0 | 0.00% | −3,442−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −2,118−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −595−100.0% | Sold out |
| Garner Asset Management Corp | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −169−100.0% | Sold out |