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 |
|---|---|---|---|---|---|
| Janus Henderson Group PLC | 66,187 | $93.7K | 0.00% | 00.0% | Unchanged |
| Amundi | 69,980 | $95.2K | 0.00% | +8,001+12.9% | Added |
| MetLife Investment Management | 67,229 | $98.8K | 0.00% | −22,026−24.7% | Reduced |
| Corebridge Financial, Inc. | 69,310 | $101.9K | 0.00% | −5,994−8.0% | Reduced |
| STRS Ohio | 76,600 | $112.6K | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 81,795 | $120.2K | 0.00% | +55,729+213.8% | Added |
| Jain Global LLC | 83,005 | $122.0K | 0.00% | +57,010+219.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 84,096 | $123.6K | 0.00% | −5,780−6.4% | Reduced |
| Wells Fargo & Company | 84,251 | $123.8K | 0.00% | +1,686+2.0% | Added |
| Creative Planning | 84,632 | $124.4K | 0.00% | −18,918−18.3% | Reduced |
| Intech Investment Management LLC | 87,787 | $129.0K | 0.00% | +30,543+53.4% | Added |
| Dimensional Fund Advisors LP | 90,401 | $132.9K | 0.00% | −128,021−58.6% | Reduced |
| Principal Financial Group Inc | 92,382 | $135.8K | 0.00% | −672,974−87.9% | Reduced |
| Cerity Partners LLC | 96,478 | $141.8K | 0.00% | +96,478 | New |
| Virtus Investment Advisers, Inc. | 100,851 | $148.3K | 0.04% | +100,851 | New |
| Cercano Management LLC | 101,378 | $149.0K | 0.00% | 00.0% | Unchanged |
| Old West Investment Management, LLC | 108,211 | $159.1K | 0.06% | +46,092+74.2% | Added |
| D. E. Shaw & Co., Inc. | 109,724 | $161.3K | 0.00% | +41,971+61.9% | Added |
| Citigroup Inc | 110,166 | $161.9K | 0.00% | −185,795−62.8% | Reduced |
| Siren, L.L.C. | 110,532 | $162.5K | 0.01% | 00.0% | Unchanged |
| Alps Advisors Inc | 116,860 | $171.8K | 0.00% | −12,537−9.7% | Reduced |
| UBS Group AG | 124,271 | $182.7K | 0.00% | −2,054,990−94.3% | Reduced |
| California State Teachers Retirement System | 134,137 | $197.2K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 152,560 | $224.3K | 0.00% | −10,510−6.4% | Reduced |
| Macquarie Group Ltd | 169,450 | $249.3K | 0.00% | +2,250+1.3% | Added |
| Price T Rowe Associates Inc | 171,278 | $252.0K | 0.00% | +75,380+78.6% | Added |
| Exchange Traded Concepts, LLC | 178,523 | $262.4K | 0.00% | +113,245+173.5% | Added |
| Hennion & Walsh Asset Management, Inc. | 180,552 | $265.4K | 0.01% | −7,221−3.8% | Reduced |
| Ieq Capital, LLC | 185,728 | $273.0K | 0.00% | +185,728 | New |
| SEI Investments Co | 186,747 | $274.5K | 0.00% | +44,832+31.6% | Added |
| KLP Kapitalforvaltning AS | 198,400 | $291.6K | 0.00% | +174,200+719.8% | Added |
| Graham Capital Management, L.P. | 203,538 | $299.2K | 0.01% | +140,506+222.9% | Added |
| Parkman Healthcare Partners LLC | 205,086 | $301.5K | 0.04% | −203,449−49.8% | Reduced |
| Rhumbline Advisers | 208,043 | $305.8K | 0.00% | −139,963−40.2% | Reduced |
| Alberta Investment Management Corp | 210,731 | $309.8K | 0.00% | 00.0% | Unchanged |
| Omers Administration Corp | 215,110 | $316.2K | 0.00% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 215,843 | $317.3K | 0.15% | +152,930+243.1% | Added |
| Russell Investments Group, Ltd. | 218,028 | $319.7K | 0.00% | −202,423−48.1% | Reduced |
| CWM Advisors, LLC | 231,825 | $340.8K | 0.04% | +142,574+159.7% | Added |
| Legal & General Group Plc | 250,272 | $367.9K | 0.00% | −170,414−40.5% | Reduced |
| Invesco Ltd. | 275,253 | $404.6K | 0.00% | −246,735−47.3% | Reduced |
| Swiss National Bank | 282,700 | $415.6K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 286,990 | $421.9K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 292,445 | $429.9K | 0.00% | +248,051+558.7% | Added |
| Allianz Asset Management GmbH | 293,100 | $430.9K | 0.00% | +235,800+411.5% | Added |
| Franklin Resources Inc | 306,011 | $449.8K | 0.00% | −3,225−1.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 307,337 | $451.8K | 0.00% | +52,297+20.5% | Added |
| Balyasny Asset Management LLC | 310,260 | $456.1K | 0.00% | +310,260 | New |
| Barclays PLC | 329,389 | $484.2K | 0.00% | −39,887−10.8% | Reduced |
| AXA S.A. | 332,810 | $489.2K | 0.00% | +44,339+15.4% | Added |
| Man Group plc | 333,718 | $490.6K | 0.00% | −21,106−5.9% | Reduced |
| Catalyst Funds Management Pty Ltd | 348,840 | $512.8K | 0.13% | +338,340+3,222.3% | Added |
| BNP Paribas Arbitrage, SA | 374,399 | $550.4K | 0.00% | +251,759+205.3% | Added |
| Robeco Institutional Asset Management B.V. | 380,960 | $560.0K | 0.00% | 00.0% | Unchanged |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 417,953 | $614.4K | 0.00% | −8,185−1.9% | Reduced |
| Walleye Capital LLC | 431,410 | $634.2K | 0.01% | −148,687−25.6% | Reduced |
| Nuveen, LLC | 471,361 | $692.9K | 0.00% | +471,361 | New |
| FMR LLC | 479,741 | $705.2K | 0.00% | +176,468+58.2% | Added |
| ExodusPoint Capital Management, LP | 494,620 | $727.0K | 0.01% | +494,620 | New |
| Bank of New York Mellon Corp | 499,613 | $734.4K | 0.00% | −478,522−48.9% | Reduced |
| Gsa Capital Partners LLP | 524,676 | $771.0K | 0.07% | +510,809+3,683.6% | Added |
| XTX Topco Ltd | 552,613 | $812.3K | 0.04% | +506,732+1,104.4% | Added |
| Marshall Wace, LLP | 557,521 | $819.6K | 0.00% | +557,521 | New |
| Susquehanna International Group, LLP | 648,267 | $953.0K | 0.00% | +455,976+237.1% | Added |
| Los Angeles Capital Management LLC | 687,787 | $1.01M | 0.00% | +356,087+107.4% | Added |
| Royce & Associates LP | 735,436 | $1.08M | 0.01% | 00.0% | Unchanged |
| Mariner, LLC | 750,000 | $1.10M | 0.00% | +644,036+607.8% | Added |
| Voleon Capital Management LP | 870,629 | $1.28M | 0.10% | +787,901+952.4% | Added |
| Citadel Advisors LLC | 940,548 | $1.38M | 0.00% | +380,084+67.8% | Added |
| Sio Capital Management, LLC | 1,017,616 | $1.50M | 0.45% | +109,833+12.1% | Added |
| Jupiter Asset Management Ltd | 1,223,275 | $1.80M | 0.02% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 1,227,196 | $1.80M | 0.00% | +363,768+42.1% | Added |
| Federated Hermes, Inc. | 1,305,362 | $1.92M | 0.00% | +934,886+252.3% | Added |
| Northern Trust Corp | 1,406,534 | $2.07M | 0.00% | −218,576−13.4% | Reduced |
| Bank of America Corp | 1,428,516 | $2.10M | 0.00% | +750,371+110.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 1,488,044 | $2.19M | 0.01% | +1,146,589+335.8% | Added |
| Point72 Asset Management, L.P. | 1,532,565 | $2.25M | 0.01% | +381,557+33.1% | Added |
| Deutsche Bank AG | 1,554,154 | $2.28M | 0.00% | −13,381−0.9% | Reduced |
| Goldman Sachs Group Inc | 1,575,416 | $2.32M | 0.00% | +660,144+72.1% | Added |
| Jacobs Levy Equity Management, Inc | 1,580,320 | $2.32M | 0.01% | −2,042,706−56.4% | Reduced |
| JPMorgan Chase & Co | 1,702,633 | $2.50M | 0.00% | +628,127+58.5% | Added |
| Pacer Advisors, Inc. | 1,789,098 | $2.63M | 0.01% | −9,941,673−84.7% | Reduced |
| Morgan Stanley | 1,863,221 | $2.74M | 0.00% | −2,161,472−53.7% | Reduced |
| Two Sigma Advisers, LP | 1,884,600 | $2.77M | 0.01% | +650,600+52.7% | Added |
| AQR Capital Management LLC | 2,523,875 | $3.71M | 0.00% | +2,126,889+535.8% | Added |
| Acadian Asset Management LLC | 2,645,189 | $3.88M | 0.01% | +1,630,726+160.7% | Added |
| Charles Schwab Investment Management Inc | 2,647,015 | $3.89M | 0.00% | +663,775+33.5% | Added |
| Qube Research & Technologies Ltd | 3,307,059 | $4.86M | 0.01% | +3,049,329+1,183.1% | Added |
| Geode Capital Management, LLC | 3,418,089 | $5.03M | 0.00% | +111,519+3.4% | Added |
| State Street Corp | 3,498,289 | $5.14M | 0.00% | −4,830,528−58.0% | Reduced |
| Jane Street Group, LLC | 3,510,117 | $5.16M | 0.01% | +3,092,475+740.5% | Added |
| LSV Asset Management | 3,997,801 | $5.88M | 0.01% | −83,700−2.1% | Reduced |
| Kynam Capital Management, LP | 5,822,938 | $8.56M | 0.73% | +1,137,375+24.3% | Added |
| Millennium Management LLC | 6,359,682 | $9.35M | 0.01% | +4,179,239+191.7% | Added |
| Braidwell LP | 6,622,584 | $9.74M | 0.34% | +1,182,307+21.7% | Added |
| Renaissance Technologies LLC | 9,940,492 | $14.6M | 0.02% | +874,251+9.6% | Added |
| BlackRock, Inc. | 11,878,924 | $17.5M | 0.00% | −11,158,411−48.4% | Reduced |
| Armistice Capital, LLC | 13,700,000 | $20.1M | 0.54% | +4,232,000+44.7% | Added |
| Vanguard Group Inc | 15,696,161 | $23.1M | 0.00% | −3,842,394−19.7% | Reduced |
| Sarissa Capital Management LP | 16,390,000 | $24.1M | 15.57% | 00.0% | Unchanged |