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 2024
Institutional positions in Ironwood Pharmaceuticals Inc as of Dec 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
- 223
- +4 vs. Q3 2024
- Shares held
- 164.2M
- +755.5K (+0.5%) vs. Q3 2024
- Total value
- $727.5M
- +$53.8M (+8.0%) vs. Q3 2024
- New holders
- 41
- 77 more added
- Sold out
- 37
- 77 more reduced
2 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 23,037,335 | $102.1M | 0.00% | +117,478+0.5% | Added |
| Vanguard Group Inc | 19,538,555 | $86.6M | 0.00% | −2,499,542−11.3% | Reduced |
| Sarissa Capital Management LP | 16,390,000 | $72.6M | 22.49% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 11,730,771 | $52.0M | 0.11% | +450,949+4.0% | Added |
| Armistice Capital, LLC | 9,468,000 | $41.9M | 0.98% | +1,268,000+15.5% | Added |
| Renaissance Technologies LLC | 9,066,241 | $40.2M | 0.06% | +469,043+5.5% | Added |
| State Street Corp | 8,328,817 | $36.9M | 0.00% | −1,591,048−16.0% | Reduced |
| Braidwell LP | 5,440,277 | $24.1M | 0.71% | +1,002,045+22.6% | Added |
| Kynam Capital Management, LP | 4,685,563 | $20.8M | 1.37% | +1,000,000+27.1% | Added |
| LSV Asset Management | 4,081,501 | $18.1M | 0.04% | −970,100−19.2% | Reduced |
| Morgan Stanley | 4,024,693 | $17.8M | 0.00% | −296,896−6.9% | Reduced |
| Jacobs Levy Equity Management, Inc | 3,623,026 | $16.1M | 0.06% | −642,074−15.1% | Reduced |
| Geode Capital Management, LLC | 3,306,570 | $14.7M | 0.00% | +13,028+0.4% | Added |
| Millennium Management LLC | 2,180,443 | $9.66M | 0.01% | +1,254,571+135.5% | Added |
| UBS Group AG | 2,179,261 | $9.65M | 0.00% | +1,232,377+130.2% | Added |
| Charles Schwab Investment Management Inc | 1,983,240 | $8.79M | 0.00% | +78,969+4.1% | Added |
| Northern Trust Corp | 1,625,110 | $7.20M | 0.00% | +118,962+7.9% | Added |
| Deutsche Bank AG | 1,567,535 | $6.94M | 0.00% | +504,336+47.4% | Added |
| Two Sigma Advisers, LP | 1,234,000 | $5.47M | 0.01% | −26,500−2.1% | Reduced |
| Jupiter Asset Management Ltd | 1,223,275 | $5.42M | 0.05% | −225,160−15.5% | Reduced |
| Point72 Asset Management, L.P. | 1,151,008 | $5.10M | 0.01% | +1,151,008 | New |
| JPMorgan Chase & Co | 1,074,506 | $4.76M | 0.00% | +767,641+250.2% | Added |
| Acadian Asset Management LLC | 1,014,463 | $4.49M | 0.01% | +228,171+29.0% | Added |
| Bank of New York Mellon Corp | 978,135 | $4.33M | 0.00% | +65,357+7.2% | Added |
| Goldman Sachs Group Inc | 915,272 | $4.05M | 0.00% | −307,865−25.2% | Reduced |
| Sio Capital Management, LLC | 907,783 | $4.02M | 1.13% | +907,783 | New |
| Two Sigma Investments, LP | 863,428 | $3.82M | 0.01% | −27,535−3.1% | Reduced |
| Saturn V Capital Management LLC | 814,533 | $3.61M | 1.41% | −305,876−27.3% | Reduced |
| Principal Financial Group Inc | 765,356 | $3.39M | 0.00% | +29,629+4.0% | Added |
| Royce & Associates LP | 735,436 | $3.26M | 0.03% | +72,502+10.9% | Added |
| Bank of America Corp | 678,145 | $3.00M | 0.00% | +258,372+61.6% | Added |
| Stonepine Capital Management, LLC | 648,785 | $2.87M | 2.32% | −351,215−35.1% | Reduced |
| Walleye Capital LLC | 580,097 | $2.57M | 0.02% | +299,798+107.0% | Added |
| Ameriprise Financial Inc | 565,618 | $2.51M | 0.00% | −32,584−5.4% | Reduced |
| Citadel Advisors LLC | 560,464 | $2.48M | 0.00% | −136,962−19.6% | Reduced |
| Invesco Ltd. | 521,988 | $2.31M | 0.00% | −5,706−1.1% | Reduced |
| State of Wisconsin Investment Board | 476,619 | $2.11M | 0.01% | −96,807−16.9% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 426,138 | $1.89M | 0.00% | +426,138 | New |
| Legal & General Group Plc | 420,686 | $1.86M | 0.00% | +11,764+2.9% | Added |
| Russell Investments Group, Ltd. | 420,451 | $1.86M | 0.00% | −42,596−9.2% | Reduced |
| Jane Street Group, LLC | 417,642 | $1.85M | 0.00% | +94,004+29.0% | Added |
| Parkman Healthcare Partners LLC | 408,535 | $1.81M | 0.24% | −46,942−10.3% | Reduced |
| Nuveen Asset Management, LLC | 405,354 | $1.80M | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 396,986 | $1.76M | 0.00% | −167,127−29.6% | Reduced |
| Robeco Institutional Asset Management B.V. | 380,960 | $1.69M | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 370,476 | $1.64M | 0.00% | +370,476 | New |
| Barclays PLC | 369,276 | $1.64M | 0.00% | −47,044−11.3% | Reduced |
| Man Group plc | 354,824 | $1.57M | 0.00% | −539,902−60.3% | Reduced |
| Public Sector Pension Investment Board | 352,106 | $1.56M | 0.01% | +53,820+18.0% | Added |
| Rhumbline Advisers | 348,006 | $1.54M | 0.00% | +10,041+3.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 341,455 | $1.51M | 0.01% | +215,166+170.4% | Added |
| Los Angeles Capital Management LLC | 331,700 | $1.47M | 0.01% | +319,528+2,625.1% | Added |
| Franklin Resources Inc | 309,236 | $1.37M | 0.00% | −3,812−1.2% | Reduced |
| FMR LLC | 303,273 | $1.34M | 0.00% | +133,592+78.7% | Added |
| Citigroup Inc | 295,961 | $1.31M | 0.00% | +109,788+59.0% | Added |
| Wedge Capital Management L L P | 289,023 | $1.28M | 0.02% | −25,820−8.2% | Reduced |
| AXA S.A. | 288,471 | $1.28M | 0.00% | +288,471 | New |
| UBS Asset Management Americas Inc | 286,990 | $1.27M | 0.00% | +17,265+6.4% | Added |
| Swiss National Bank | 282,700 | $1.25M | 0.00% | +6,000+2.2% | Added |
| Qube Research & Technologies Ltd | 257,730 | $1.14M | 0.00% | −313,045−54.8% | Reduced |
| Schonfeld Strategic Advisors LLC | 255,040 | $1.13M | 0.01% | +73,447+40.4% | Added |
| Norges Bank | 252,291 | $1.12M | 0.00% | −141,975−36.0% | Reduced |
| Rafferty Asset Management, LLC | 236,732 | $1.05M | 0.00% | −159,932−40.3% | Reduced |
| PDT Partners, LLC | 223,938 | $992.0K | 0.09% | +196,638+720.3% | Added |
| Dimensional Fund Advisors LP | 218,422 | $967.6K | 0.00% | +10,149+4.9% | Added |
| Omers Administration Corp | 215,110 | $952.9K | 0.01% | −105,300−32.9% | Reduced |
| Victory Capital Management Inc | 213,292 | $944.9K | 0.00% | −4,717−2.2% | Reduced |
| Alberta Investment Management Corp | 210,731 | $933.5K | 0.01% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 192,291 | $851.8K | 0.00% | +110,617+135.4% | Added |
| Hennion & Walsh Asset Management, Inc. | 187,773 | $831.8K | 0.04% | +16,962+9.9% | Added |
| Macquarie Group Ltd | 167,200 | $741.0K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 163,070 | $722.4K | 0.00% | 00.0% | Unchanged |
| Vestcor Inc | 148,614 | $658.0K | 0.02% | −10,852−6.8% | Reduced |
| Prudential Financial Inc | 145,588 | $645.0K | 0.00% | −5,200−3.4% | Reduced |
| SEI Investments Co | 141,915 | $628.7K | 0.00% | −268,765−65.4% | Reduced |
| California State Teachers Retirement System | 134,137 | $594.2K | 0.00% | −1,005−0.7% | Reduced |
| Alps Advisors Inc | 129,397 | $573.2K | 0.00% | +11,862+10.1% | Added |
| Great West Life Assurance Co | 129,507 | $573.0K | 0.00% | −19,003−12.8% | Reduced |
| BNP Paribas Arbitrage, SA | 122,640 | $543.3K | 0.00% | −32,020−20.7% | Reduced |
| Comerica Bank | 122,083 | $540.8K | 0.00% | −28,108−18.7% | Reduced |
| MYDA Advisors LLC | 115,200 | $510.3K | 0.15% | +115,200 | New |
| Siren, L.L.C. | 110,532 | $489.7K | 0.02% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 108,850 | $482.0K | 0.00% | −1,539−1.4% | Reduced |
| Mariner, LLC | 105,964 | $469.4K | 0.00% | +60,751+134.4% | Added |
| Creative Planning | 103,550 | $458.7K | 0.00% | +61,399+145.7% | Added |
| Cercano Management LLC | 101,378 | $449.1K | 0.01% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 100,172 | $443.8K | 0.00% | −9,676−8.8% | Reduced |
| Harbor Capital Advisors, Inc. | 99,610 | $441.0K | 0.02% | −68,461−40.7% | Reduced |
| Virtus ETF Advisers LLC | 98,218 | $435.1K | 0.18% | +43,143+78.3% | Added |
| Price T Rowe Associates Inc | 95,898 | $425.0K | 0.00% | −7,458−7.2% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 89,876 | $397.7K | 0.00% | −3,384−3.6% | Reduced |
| MetLife Investment Management | 89,255 | $395.4K | 0.00% | +8,559+10.6% | Added |
| CWM Advisors, LLC | 89,251 | $395.4K | 0.04% | −11,778−11.7% | Reduced |
| Ensign Peak Advisors, Inc | 85,392 | $378.3K | 0.00% | 00.0% | Unchanged |
| Voleon Capital Management LP | 82,728 | $366.5K | 0.03% | +82,728 | New |
| Wells Fargo & Company | 82,565 | $365.8K | 0.00% | +17,595+27.1% | Added |
| State of Alaska, Department of Revenue | 80,212 | $355.0K | 0.00% | −50.0% | Reduced |
| STRS Ohio | 76,600 | $339.3K | 0.00% | 00.0% | Unchanged |
| Corebridge Financial, Inc. | 75,304 | $333.6K | 0.00% | −5,867−7.2% | Reduced |
| Verition Fund Management LLC | 74,330 | $329.3K | 0.00% | +56,905+326.6% | Added |