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, Q2 2024
Institutional positions in Ironwood Pharmaceuticals Inc as of Jun 30, 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
- 227
- −30 vs. Q1 2024
- Shares held
- 171.4M
- −703.5K (−0.4%) vs. Q1 2024
- Total value
- $1.12B
- −$382.1M (−25.5%) vs. Q1 2024
- New holders
- 21
- 93 more added
- Sold out
- 51
- 80 more reduced
4 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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 | $195.0M |
| Q2 2025 | 155 | $104.9M |
| Q1 2025 | 200 | $228.6M |
| Q4 2024 | 223 | $727.6M |
| Q3 2024 | 221 | $675.0M |
| Q2 2024 | 227 | $1.13B |
| Q1 2024 | 261 | $1.56B |
| Q4 2023 | 251 | $1.93B |
| Q3 2023 | 249 | $1.56B |
| Q2 2023 | 252 | $1.77B |
| Q1 2023 | 255 | $1.75B |
| Q4 2022 | 250 | $2.08B |
| Q3 2022 | 245 | $1.76B |
| Q2 2022 | 240 | $2.02B |
| Q1 2022 | 221 | $2.10B |
| Q4 2021 | 213 | $2.01B |
| Q3 2021 | 229 | $2.32B |
| Q2 2021 | 209 | $2.25B |
| Q1 2021 | 210 | $1.91B |
Institutions, Q2 2024
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 22,877,015 | $149.2M | 0.00% | −1,280,753−5.3% | Reduced |
| Vanguard Group Inc | 21,563,414 | $140.6M | 0.00% | +2,042,048+10.5% | Added |
| Sarissa Capital Management LP | 16,390,000 | $106.9M | 18.04% | 00.0% | Unchanged |
| State Street Corp | 9,242,841 | $60.3M | 0.00% | −4,674,270−33.6% | Reduced |
| Pacer Advisors, Inc. | 8,907,639 | $58.1M | 0.13% | +1,701,452+23.6% | Added |
| Renaissance Technologies LLC | 8,571,898 | $55.9M | 0.09% | +1,472,097+20.7% | Added |
| Armistice Capital, LLC | 7,800,000 | $50.9M | 1.33% | +2,400,000+44.4% | Added |
| LSV Asset Management | 6,071,501 | $39.6M | 0.09% | −79,500−1.3% | Reduced |
| Morgan Stanley | 4,860,828 | $31.7M | 0.00% | +2,182,712+81.5% | Added |
| Braidwell LP | 4,438,232 | $28.9M | 0.91% | +948,389+27.2% | Added |
| Jacobs Levy Equity Management, Inc | 4,358,298 | $28.4M | 0.12% | +122,718+2.9% | Added |
| Geode Capital Management, LLC | 3,372,322 | $22.0M | 0.00% | +225,164+7.2% | Added |
| Man Group plc | 2,984,451 | $19.5M | 0.05% | −8620.0% | Reduced |
| Brown Capital Management LLC | 2,580,875 | $16.8M | 0.34% | −119,830−4.4% | Reduced |
| JPMorgan Chase & Co | 1,853,005 | $12.1M | 0.00% | +667,780+56.3% | Added |
| UBS Group AG | 1,839,799 | $12.0M | 0.00% | −1,187,916−39.2% | Reduced |
| Invesco Ltd. | 1,666,766 | $10.9M | 0.00% | +1,149,803+222.4% | Added |
| Kynam Capital Management, LP | 1,641,891 | $10.7M | 1.12% | +16,891+1.0% | Added |
| Goldman Sachs Group Inc | 1,563,432 | $10.2M | 0.00% | +183,770+13.3% | Added |
| Charles Schwab Investment Management Inc | 1,539,430 | $10.0M | 0.00% | +147,027+10.6% | Added |
| Northern Trust Corp | 1,476,543 | $9.63M | 0.00% | −55,974−3.7% | Reduced |
| Jupiter Asset Management Ltd | 1,448,435 | $9.44M | 0.09% | −31,529−2.1% | Reduced |
| Glenmede Trust Co NA | 1,395,983 | $9.10M | 0.05% | +5,356+0.4% | Added |
| Norges Bank | 1,393,077 | $9.08M | 0.00% | +743,898+114.6% | Added |
| Millennium Management LLC | 1,328,760 | $8.66M | 0.01% | +867,316+188.0% | Added |
| Two Sigma Advisers, LP | 1,199,000 | $7.82M | 0.02% | −86,000−6.7% | Reduced |
| Saturn V Capital Management LLC | 1,113,824 | $7.26M | 2.74% | +168,912+17.9% | Added |
| First Eagle Investment Management, LLC | 1,104,225 | $7.20M | 0.02% | +102,000+10.2% | Added |
| Deutsche Bank AG | 1,047,137 | $6.83M | 0.00% | −470,589−31.0% | Reduced |
| Bank of New York Mellon Corp | 1,043,378 | $6.80M | 0.00% | +5,960+0.6% | Added |
| Hodges Capital Management Inc. | 1,041,000 | $6.79M | 0.45% | +177,500+20.6% | Added |
| Two Sigma Investments, LP | 917,594 | $5.98M | 0.01% | −270,639−22.8% | Reduced |
| Parkman Healthcare Partners LLC | 876,268 | $5.71M | 0.78% | +26,268+3.1% | Added |
| Trexquant Investment LP | 831,416 | $5.42M | 0.08% | +701,941+542.1% | Added |
| Principal Financial Group Inc | 795,325 | $5.19M | 0.00% | −9,575−1.2% | Reduced |
| New York State Common Retirement Fund | 791,705 | $5.16M | 0.01% | −17,297−2.1% | Reduced |
| Emerald Advisers, LLC | 786,337 | $5.13M | 0.22% | −36,412−4.4% | Reduced |
| Bank of America Corp | 712,387 | $4.64M | 0.00% | −193,902−21.4% | Reduced |
| AQR Capital Management LLC | 684,578 | $4.46M | 0.01% | +214,836+45.7% | Added |
| Emerald Mutual Fund Advisers Trust | 644,153 | $4.20M | 0.22% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 638,327 | $4.16M | 0.00% | +25,920+4.2% | Added |
| Royce & Associates LP | 598,581 | $3.90M | 0.04% | +7,577+1.3% | Added |
| Russell Investments Group, Ltd. | 554,695 | $3.62M | 0.01% | −223,152−28.7% | Reduced |
| Nuveen Asset Management, LLC | 459,441 | $3.00M | 0.00% | −1,383,802−75.1% | Reduced |
| Redwood Investment Management, LLC | 475,777 | $2.86M | 0.25% | +109,086+29.7% | Added |
| Citadel Advisors LLC | 409,533 | $2.67M | 0.00% | −423,741−50.9% | Reduced |
| Legal & General Group Plc | 409,271 | $2.67M | 0.00% | +12,664+3.2% | Added |
| D. E. Shaw & Co., Inc. | 384,949 | $2.51M | 0.00% | +96,296+33.4% | Added |
| Rafferty Asset Management, LLC | 384,352 | $2.51M | 0.01% | −633,467−62.2% | Reduced |
| Knott David M Jr | 370,000 | $2.41M | 0.96% | +94,000+34.1% | Added |
| Rhumbline Advisers | 365,701 | $2.38M | 0.00% | +2,577+0.7% | Added |
| Schonfeld Strategic Advisors LLC | 347,040 | $2.26M | 0.02% | −965,204−73.6% | Reduced |
| Omers Administration Corp | 333,210 | $2.17M | 0.02% | +333,210 | New |
| Franklin Resources Inc | 320,175 | $2.09M | 0.00% | +8,835+2.8% | Added |
| Bridgeway Capital Management, LLC | 311,200 | $2.03M | 0.05% | −16,800−5.1% | Reduced |
| UBS Asset Management Americas Inc | 308,690 | $2.01M | 0.00% | +158,175+105.1% | Added |
| Public Sector Pension Investment Board | 307,786 | $2.01M | 0.01% | +26,168+9.3% | Added |
| Capital Fund Management S.A. | 305,621 | $1.99M | 0.02% | +305,621 | New |
| Swiss National Bank | 276,700 | $1.80M | 0.00% | 00.0% | Unchanged |
| Foundry Partners, LLC | 254,177 | $1.66M | 0.09% | +13,604+5.7% | Added |
| Victory Capital Management Inc | 222,573 | $1.45M | 0.00% | +94,882+74.3% | Added |
| Marshall Wace, LLP | 217,218 | $1.42M | 0.00% | −355,282−62.1% | Reduced |
| Dimensional Fund Advisors LP | 213,619 | $1.39M | 0.00% | +69,848+48.6% | Added |
| Alberta Investment Management Corp | 210,731 | $1.37M | 0.01% | 00.0% | Unchanged |
| Barclays PLC | 197,016 | $1.28M | 0.00% | −93,229−32.1% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 189,962 | $1.24M | 0.07% | +55,346+41.1% | Added |
| Citigroup Inc | 184,668 | $1.20M | 0.00% | −763,042−80.5% | Reduced |
| Great West Life Assurance Co | 180,563 | $1.18M | 0.00% | +28,071+18.4% | Added |
| State of Wisconsin Investment Board | 175,564 | $1.14M | 0.00% | +52,906+43.1% | Added |
| Macquarie Group Ltd | 167,200 | $1.09M | 0.00% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 164,800 | $1.07M | 0.08% | −6,400−3.7% | Reduced |
| Alliancebernstein L.P. | 163,070 | $1.06M | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 159,632 | $1.04M | 0.00% | +92,150+136.6% | Added |
| Prudential Financial Inc | 153,938 | $1.00M | 0.00% | −2,520−1.6% | Reduced |
| California State Teachers Retirement System | 137,740 | $898.1K | 0.00% | −4,278−3.0% | Reduced |
| FMR LLC | 135,592 | $884.1K | 0.00% | +46,229+51.7% | Added |
| Hennion & Walsh Asset Management, Inc. | 129,649 | $845.3K | 0.04% | +118,462+1,058.9% | Added |
| Alps Advisors Inc | 123,975 | $808.3K | 0.01% | +13,569+12.3% | Added |
| Gsa Capital Partners LLP | 119,106 | $777.0K | 0.05% | −57,066−32.4% | Reduced |
| Advantage Alpha Capital Partners LP | 118,514 | $772.7K | 0.17% | −12,452−9.5% | Reduced |
| Thrivent Financial for Lutherans | 116,123 | $757.0K | 0.00% | −3,069−2.6% | Reduced |
| Vestcor Inc | 115,763 | $755.0K | 0.03% | +104,136+895.6% | Added |
| Harbor Capital Advisors, Inc. | 111,974 | $730.0K | 0.06% | +56,117+100.5% | Added |
| Artal Group S.A. | 110,532 | $720.7K | 0.02% | 00.0% | Unchanged |
| Wellington Management Group LLP | 109,495 | $713.9K | 0.00% | +14,401+15.1% | Added |
| Public Employees Retirement System of Ohio | 109,036 | $710.9K | 0.00% | −587−0.5% | Reduced |
| Squarepoint Ops LLC | 105,566 | $688.3K | 0.00% | −179,194−62.9% | Reduced |
| Kennedy Capital Management, Inc. | 103,816 | $676.9K | 0.01% | −12,727−10.9% | Reduced |
| Massachusetts Financial Services Co | 101,879 | $664.3K | 0.00% | +3,419+3.5% | Added |
| Price T Rowe Associates Inc | 101,448 | $662.0K | 0.00% | +15,871+18.5% | Added |
| Bank of Montreal | 94,564 | $617.5K | 0.00% | +80,317+563.7% | Added |
| Clearline Capital LP | 92,870 | $605.5K | 0.05% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 89,944 | $586.4K | 0.00% | +12,754+16.5% | Added |
| Ensign Peak Advisors, Inc | 85,392 | $556.8K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 84,431 | $545.9K | 0.00% | +84,431 | New |
| State of Alaska, Department of Revenue | 82,128 | $535.0K | 0.01% | −1,570−1.9% | Reduced |
| Corebridge Financial, Inc. | 81,998 | $534.6K | 0.00% | +81,998 | New |
| BNP Paribas Arbitrage, SA | 81,845 | $533.6K | 0.00% | −530,755−86.6% | Reduced |
| STRS Ohio | 81,000 | $528.1K | 0.00% | +3,300+4.2% | Added |
| MetLife Investment Management | 80,696 | $526.1K | 0.00% | +9,126+12.8% | Added |