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 2022
Institutional positions in Ironwood Pharmaceuticals Inc as of Mar 31, 2022. 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
- 221
- +10 vs. Q4 2021
- Shares held
- 166.6M
- −5.28M (−3.1%) vs. Q4 2021
- Total value
- $2.09B
- +$92.2M (+4.6%) vs. Q4 2021
- New holders
- 39
- 67 more added
- Sold out
- 29
- 78 more reduced
1 institution that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2021: 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 2022
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sarissa Capital Management LP | 16,390,000 | $206.2M | 19.49% | 00.0% | Unchanged |
| Wellington Management Group LLP | 15,181,647 | $191.0M | 0.03% | −2,118,658−12.2% | Reduced |
| BlackRock Inc. | 14,536,759 | $182.9M | 0.00% | +167,869+1.2% | Added |
| Brown Capital Management LLC | 14,228,999 | $179.0M | 1.78% | −2,028,900−12.5% | Reduced |
| Vanguard Group Inc | 13,356,328 | $168.0M | 0.00% | −131,434−1.0% | Reduced |
| Westfield Capital Management Co LP | 8,534,416 | $107.4M | 0.69% | +388,742+4.8% | Added |
| State Street Corp | 8,297,067 | $104.4M | 0.01% | +418,756+5.3% | Added |
| LSV Asset Management | 7,407,330 | $93.2M | 0.17% | −100,076−1.3% | Reduced |
| Putnam Investments LLC | 4,791,196 | $60.3M | 0.09% | +719,934+17.7% | Added |
| Credit Suisse AG | 4,465,048 | $56.2M | 0.05% | −161,535−3.5% | Reduced |
| Renaissance Technologies LLC | 3,123,053 | $39.3M | 0.05% | +443,800+16.6% | Added |
| Dimensional Fund Advisors LP | 3,074,530 | $38.7M | 0.01% | −2,459−0.1% | Reduced |
| Norges Bank | 3,051,721 | $38.4M | 0.01% | +35,393+1.2% | Added |
| Geode Capital Management, LLC | 2,758,736 | $34.7M | 0.00% | −4,832−0.2% | Reduced |
| Goldman Sachs Group Inc | 2,617,911 | $32.9M | 0.01% | −693,230−20.9% | Reduced |
| Morgan Stanley | 2,283,824 | $28.7M | 0.00% | +1,230,402+116.8% | Added |
| Nuveen Asset Management, LLC | 2,219,573 | $27.4M | 0.01% | +115,934+5.5% | Added |
| Jupiter Asset Management Ltd | 1,876,727 | $23.6M | 0.28% | +155,771+9.1% | Added |
| New York State Common Retirement Fund | 1,821,456 | $22.9M | 0.02% | +9,150+0.5% | Added |
| Northern Trust Corp | 1,621,340 | $20.4M | 0.00% | −62,030−3.7% | Reduced |
| Glenmede Trust Co NA | 1,446,899 | $18.2M | 0.09% | +367,073+34.0% | Added |
| Charles Schwab Investment Management Inc | 1,428,181 | $18.0M | 0.01% | −35,310−2.4% | Reduced |
| D. E. Shaw & Co., Inc. | 1,186,382 | $14.9M | 0.02% | +302,288+34.2% | Added |
| Royce & Associates LP | 1,160,846 | $14.6M | 0.12% | +679,997+141.4% | Added |
| Bank of New York Mellon Corp | 1,074,549 | $13.5M | 0.00% | +194,261+22.1% | Added |
| Millennium Management LLC | 1,052,114 | $13.2M | 0.02% | −537,702−33.8% | Reduced |
| Pictet Asset Management SA | 987,718 | $12.4M | 0.01% | −13,122−1.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 943,938 | $11.9M | 0.01% | +1,890+0.2% | Added |
| Bridger Management, LLC | 929,714 | $11.7M | 1.92% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 888,888 | $11.2M | 0.03% | +888,888 | New |
| Citadel Advisors LLC | 836,648 | $10.5M | 0.01% | +484,521+137.6% | Added |
| JPMorgan Chase & Co | 792,800 | $9.97M | 0.00% | −484,108−37.9% | Reduced |
| Great Lakes Advisors, LLC | 747,687 | $9.41M | 0.15% | −186,368−20.0% | Reduced |
| ExodusPoint Capital Management, LP | 733,767 | $9.23M | 0.13% | −416,978−36.2% | Reduced |
| Two Sigma Advisers, LP | 718,300 | $9.04M | 0.02% | +622,500+649.8% | Added |
| HealthInvest Partners AB | 710,000 | $8.93M | 14.22% | −20,000−2.7% | Reduced |
| Invesco Ltd. | 680,466 | $8.56M | 0.00% | −81,716−10.7% | Reduced |
| Deutsche Bank AG | 672,441 | $8.46M | 0.00% | +263,859+64.6% | Added |
| American Century Companies Inc | 659,280 | $8.29M | 0.01% | +80,672+13.9% | Added |
| Bank of America Corp | 599,334 | $7.54M | 0.00% | −20,046−3.2% | Reduced |
| Comerica Bank | 607,247 | $7.30M | 0.05% | +4,290+0.7% | Added |
| 13D Management LLC | 563,103 | $7.08M | 2.69% | −49,750−8.1% | Reduced |
| Wells Fargo & Company | 548,781 | $6.90M | 0.00% | −43,419−7.3% | Reduced |
| Parametric Portfolio Associates LLC | 534,384 | $6.72M | 0.00% | −10,385−1.9% | Reduced |
| Price Michael F | 520,000 | $6.55M | 0.77% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 473,147 | $5.95M | 0.01% | +19,652+4.3% | Added |
| First Trust Advisors LP | 459,003 | $5.77M | 0.01% | +181,729+65.5% | Added |
| Rafferty Asset Management, LLC | 458,192 | $5.76M | 0.03% | −18,594−3.9% | Reduced |
| Barclays PLC | 456,098 | $5.74M | 0.00% | +233,894+105.3% | Added |
| AQR Capital Management LLC | 452,191 | $5.69M | 0.01% | +23,060+5.4% | Added |
| UBS Group AG | 430,231 | $5.41M | 0.00% | −28,067−6.1% | Reduced |
| Swiss National Bank | 367,600 | $4.62M | 0.00% | +27,600+8.1% | Added |
| Clark Estates Inc | 355,000 | $4.47M | 0.70% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 336,517 | $4.23M | 0.27% | −3,100−0.9% | Reduced |
| SG Americas Securities, LLC | 294,689 | $3.71M | 0.03% | +294,689 | New |
| ClariVest Asset Management LLC | 286,729 | $3.61M | 0.14% | −29,484−9.3% | Reduced |
| Verition Fund Management LLC | 268,526 | $3.38M | 0.06% | −127,879−32.3% | Reduced |
| Alberta Investment Management Corp | 261,327 | $3.29M | 0.02% | −1,419−0.5% | Reduced |
| Foundry Partners, LLC | 259,943 | $3.27M | 0.17% | −567,790−68.6% | Reduced |
| Principal Financial Group Inc | 255,572 | $3.21M | 0.00% | −104,097−28.9% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 242,800 | $3.05M | 0.02% | −171,700−41.4% | Reduced |
| UBS Asset Management Americas Inc | 240,072 | $3.02M | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 233,221 | $2.93M | 0.00% | −8,300−3.4% | Reduced |
| State of New Jersey Common Pension Fund D | 232,492 | $2.92M | 0.01% | +232,492 | New |
| Brandywine Global Investment Management, LLC | 227,710 | $2.87M | 0.02% | +12,956+6.0% | Added |
| Redwood Investment Management, LLC | 224,252 | $2.82M | 0.42% | +32,631+17.0% | Added |
| Man Group plc | 216,309 | $2.72M | 0.01% | −66,685−23.6% | Reduced |
| State of Wisconsin Investment Board | 214,800 | $2.70M | 0.01% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 196,609 | $2.47M | 0.00% | +42,606+27.7% | Added |
| California State Teachers Retirement System | 194,568 | $2.45M | 0.00% | −16,446−7.8% | Reduced |
| Tudor Investment Corp Et Al | 172,062 | $2.17M | 0.06% | +105,384+158.0% | Added |
| Macquarie Group Ltd | 170,990 | $2.15M | 0.00% | 00.0% | Unchanged |
| APG Asset Management N.V. | 187,800 | $2.12M | 0.00% | +110,700+143.6% | Added |
| Victory Capital Management Inc | 174,988 | $2.10M | 0.00% | +17,017+10.8% | Added |
| Rhumbline Advisers | 164,608 | $2.07M | 0.00% | +6,277+4.0% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 158,500 | $1.99M | 0.01% | +158,500 | New |
| Mercer Global Advisors Inc | 156,049 | $1.96M | 0.01% | +31,432+25.2% | Added |
| Brookfield Asset Management Inc. | 153,198 | $1.93M | 0.01% | +153,198 | New |
| Fisher Asset Management, LLC | 144,517 | $1.82M | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 138,600 | $1.74M | 0.00% | +768+0.6% | Added |
| Jennison Associates LLC | 134,276 | $1.69M | 0.00% | +8,949+7.1% | Added |
| Federated Hermes, Inc. | 130,250 | $1.64M | 0.00% | −370,569−74.0% | Reduced |
| Denali Advisors LLC | 113,600 | $1.43M | 0.55% | 00.0% | Unchanged |
| Artal Group S.A. | 110,532 | $1.39M | 0.06% | 00.0% | Unchanged |
| Globeflex Capital L P | 109,240 | $1.37M | 0.28% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 105,858 | $1.33M | 0.63% | −15,460−12.7% | Reduced |
| Virginia Retirement Systems Et Al | 105,400 | $1.33M | 0.01% | −43,800−29.4% | Reduced |
| Dark Forest Capital Management LP | 102,785 | $1.29M | 0.30% | +102,785 | New |
| Guggenheim Capital LLC | 98,492 | $1.24M | 0.01% | −8,242−7.7% | Reduced |
| Jane Street Group, LLC | 96,955 | $1.22M | 0.00% | −26,402−21.4% | Reduced |
| Martingale Asset Management L P | 96,148 | $1.21M | 0.02% | +96,148 | New |
| Broderick Brian C | 96,000 | $1.21M | 0.31% | −6,946−6.7% | Reduced |
| Citigroup Inc | 94,371 | $1.19M | 0.00% | −322,112−77.3% | Reduced |
| Jump Financial, LLC | 92,587 | $1.16M | 0.05% | +92,587 | New |
| Price T Rowe Associates Inc | 91,550 | $1.15M | 0.00% | −6,067−6.2% | Reduced |
| Gotham Asset Management, LLC | 90,986 | $1.15M | 0.04% | −96,666−51.5% | Reduced |
| State Board of Administration of Florida Retirement System | 88,454 | $1.11M | 0.00% | −205,605−69.9% | Reduced |
| Squarepoint Ops LLC | 85,687 | $1.08M | 0.01% | −86,700−50.3% | Reduced |
| Susquehanna Fundamental Investments, LLC | 82,415 | $1.04M | 0.02% | +59,375+257.7% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 82,367 | $1.04M | 0.00% | +82,367 | New |