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 | $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, 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 |
|---|---|---|---|---|---|
| Stonepine Capital Management, LLC | 48,012 | $313.0K | 0.29% | +48,012 | New |
| Maryland State Retirement & Pension System | 48,771 | $318.0K | 0.01% | −1,164−2.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 50,372 | $328.4K | 0.00% | +50,372 | New |
| Allspring Global Investments Holdings, LLC | 50,440 | $328.9K | 0.00% | −28,921−36.4% | Reduced |
| CWM Advisors, LLC | 54,677 | $356.5K | 0.04% | +13,908+34.1% | Added |
| Virtus ETF Advisers LLC | 55,075 | $359.1K | 0.18% | +21,798+65.5% | Added |
| Daiwa Securities Group Inc. | 55,770 | $364.0K | 0.00% | +4,900+9.6% | Added |
| American Century Companies Inc | 57,624 | $375.7K | 0.00% | −269,509−82.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 59,967 | $391.0K | 0.00% | +4,100+7.3% | Added |
| HRT Financial LP | 60,271 | $392.0K | 0.00% | +60,271 | New |
| Gotham Asset Management, LLC | 60,160 | $392.2K | 0.01% | −13,794−18.7% | Reduced |
| Dark Forest Capital Management LP | 60,386 | $393.7K | 0.07% | +8,557+16.5% | Added |
| Oak Associates, Ltd | 61,384 | $400.2K | 0.03% | 00.0% | Unchanged |
| US Bancorp | 62,349 | $406.5K | 0.00% | +16,579+36.2% | Added |
| Wells Fargo & Company | 63,617 | $414.8K | 0.00% | +12,327+24.0% | Added |
| Janus Henderson Group PLC | 66,187 | $431.9K | 0.00% | −790−1.2% | Reduced |
| Old West Investment Management, LLC | 66,452 | $433.3K | 0.19% | +9,995+17.7% | Added |
| State of Tennessee, Treasury Department | 67,487 | $440.0K | 0.00% | −11,694−14.8% | Reduced |
| Brevan Howard Capital Management LP | 68,200 | $444.6K | 0.03% | +39,226+135.4% | Added |
| Louisiana State Employees Retirement System | 70,400 | $459.0K | 0.01% | +2,400+3.5% | Added |
| SummerHaven Investment Management, LLC | 72,030 | $469.6K | 0.31% | +2,491+3.6% | Added |
| Susquehanna International Group, LLP | 72,627 | $473.5K | 0.00% | −218,973−75.1% | Reduced |
| Profund Advisors LLC | 75,383 | $491.5K | 0.02% | −86,472−53.4% | Reduced |
| Walleye Capital LLC | 76,968 | $501.8K | 0.01% | +66,682+648.3% | Added |
| Manufacturers Life Insurance Company, The | 77,074 | $502.5K | 0.00% | −3,013−3.8% | Reduced |
| Mariner, LLC | 80,429 | $523.2K | 0.00% | +11,639+16.9% | Added |
| Voya Investment Management LLC | 80,514 | $525.0K | 0.00% | −25,393−24.0% | Reduced |
| MetLife Investment Management | 80,696 | $526.1K | 0.00% | +9,126+12.8% | Added |
| STRS Ohio | 81,000 | $528.1K | 0.00% | +3,300+4.2% | Added |
| BNP Paribas Arbitrage, SA | 81,845 | $533.6K | 0.00% | −530,755−86.6% | Reduced |
| Corebridge Financial, Inc. | 81,998 | $534.6K | 0.00% | +81,998 | New |
| State of Alaska, Department of Revenue | 82,128 | $535.0K | 0.01% | −1,570−1.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 84,431 | $545.9K | 0.00% | +84,431 | New |
| Ensign Peak Advisors, Inc | 85,392 | $556.8K | 0.00% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 89,944 | $586.4K | 0.00% | +12,754+16.5% | Added |
| Clearline Capital LP | 92,870 | $605.5K | 0.05% | 00.0% | Unchanged |
| Bank of Montreal | 94,564 | $617.5K | 0.00% | +80,317+563.7% | Added |
| Price T Rowe Associates Inc | 101,448 | $662.0K | 0.00% | +15,871+18.5% | Added |
| Massachusetts Financial Services Co | 101,879 | $664.3K | 0.00% | +3,419+3.5% | Added |
| Kennedy Capital Management, Inc. | 103,816 | $676.9K | 0.01% | −12,727−10.9% | Reduced |
| Squarepoint Ops LLC | 105,566 | $688.3K | 0.00% | −179,194−62.9% | Reduced |
| Public Employees Retirement System of Ohio | 109,036 | $710.9K | 0.00% | −587−0.5% | Reduced |
| Wellington Management Group LLP | 109,495 | $713.9K | 0.00% | +14,401+15.1% | Added |
| Artal Group S.A. | 110,532 | $720.7K | 0.02% | 00.0% | Unchanged |
| Harbor Capital Advisors, Inc. | 111,974 | $730.0K | 0.06% | +56,117+100.5% | Added |
| Vestcor Inc | 115,763 | $755.0K | 0.03% | +104,136+895.6% | Added |
| Thrivent Financial for Lutherans | 116,123 | $757.0K | 0.00% | −3,069−2.6% | Reduced |
| Advantage Alpha Capital Partners LP | 118,514 | $772.7K | 0.17% | −12,452−9.5% | Reduced |
| Gsa Capital Partners LLP | 119,106 | $777.0K | 0.05% | −57,066−32.4% | Reduced |
| Alps Advisors Inc | 123,975 | $808.3K | 0.01% | +13,569+12.3% | Added |
| Hennion & Walsh Asset Management, Inc. | 129,649 | $845.3K | 0.04% | +118,462+1,058.9% | Added |
| FMR LLC | 135,592 | $884.1K | 0.00% | +46,229+51.7% | Added |
| California State Teachers Retirement System | 137,740 | $898.1K | 0.00% | −4,278−3.0% | Reduced |
| Prudential Financial Inc | 153,938 | $1.00M | 0.00% | −2,520−1.6% | Reduced |
| Jane Street Group, LLC | 159,632 | $1.04M | 0.00% | +92,150+136.6% | Added |
| Alliancebernstein L.P. | 163,070 | $1.06M | 0.00% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 164,800 | $1.07M | 0.08% | −6,400−3.7% | Reduced |
| Macquarie Group Ltd | 167,200 | $1.09M | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 175,564 | $1.14M | 0.00% | +52,906+43.1% | Added |
| Great West Life Assurance Co | 180,563 | $1.18M | 0.00% | +28,071+18.4% | Added |
| Citigroup Inc | 184,668 | $1.20M | 0.00% | −763,042−80.5% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 189,962 | $1.24M | 0.07% | +55,346+41.1% | Added |
| Barclays PLC | 197,016 | $1.28M | 0.00% | −93,229−32.1% | Reduced |
| Alberta Investment Management Corp | 210,731 | $1.37M | 0.01% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 213,619 | $1.39M | 0.00% | +69,848+48.6% | Added |
| Marshall Wace, LLP | 217,218 | $1.42M | 0.00% | −355,282−62.1% | Reduced |
| Victory Capital Management Inc | 222,573 | $1.45M | 0.00% | +94,882+74.3% | Added |
| Foundry Partners, LLC | 254,177 | $1.66M | 0.09% | +13,604+5.7% | Added |
| Swiss National Bank | 276,700 | $1.80M | 0.00% | 00.0% | Unchanged |
| Capital Fund Management S.A. | 305,621 | $1.99M | 0.02% | +305,621 | New |
| Public Sector Pension Investment Board | 307,786 | $2.01M | 0.01% | +26,168+9.3% | Added |
| UBS Asset Management Americas Inc | 308,690 | $2.01M | 0.00% | +158,175+105.1% | Added |
| Bridgeway Capital Management, LLC | 311,200 | $2.03M | 0.05% | −16,800−5.1% | Reduced |
| Franklin Resources Inc | 320,175 | $2.09M | 0.00% | +8,835+2.8% | Added |
| Omers Administration Corp | 333,210 | $2.17M | 0.02% | +333,210 | New |
| Schonfeld Strategic Advisors LLC | 347,040 | $2.26M | 0.02% | −965,204−73.6% | Reduced |
| Rhumbline Advisers | 365,701 | $2.38M | 0.00% | +2,577+0.7% | Added |
| Knott David M Jr | 370,000 | $2.41M | 0.96% | +94,000+34.1% | Added |
| Rafferty Asset Management, LLC | 384,352 | $2.51M | 0.01% | −633,467−62.2% | Reduced |
| D. E. Shaw & Co., Inc. | 384,949 | $2.51M | 0.00% | +96,296+33.4% | Added |
| Legal & General Group Plc | 409,271 | $2.67M | 0.00% | +12,664+3.2% | Added |
| Citadel Advisors LLC | 409,533 | $2.67M | 0.00% | −423,741−50.9% | Reduced |
| Redwood Investment Management, LLC | 475,777 | $2.86M | 0.25% | +109,086+29.7% | Added |
| Nuveen Asset Management, LLC | 459,441 | $3.00M | 0.00% | −1,383,802−75.1% | Reduced |
| Russell Investments Group, Ltd. | 554,695 | $3.62M | 0.01% | −223,152−28.7% | Reduced |
| Royce & Associates LP | 598,581 | $3.90M | 0.04% | +7,577+1.3% | Added |
| Ameriprise Financial Inc | 638,327 | $4.16M | 0.00% | +25,920+4.2% | Added |
| Emerald Mutual Fund Advisers Trust | 644,153 | $4.20M | 0.22% | 00.0% | Unchanged |
| AQR Capital Management LLC | 684,578 | $4.46M | 0.01% | +214,836+45.7% | Added |
| Bank of America Corp | 712,387 | $4.64M | 0.00% | −193,902−21.4% | Reduced |
| Emerald Advisers, LLC | 786,337 | $5.13M | 0.22% | −36,412−4.4% | Reduced |
| New York State Common Retirement Fund | 791,705 | $5.16M | 0.01% | −17,297−2.1% | Reduced |
| Principal Financial Group Inc | 795,325 | $5.19M | 0.00% | −9,575−1.2% | Reduced |
| Trexquant Investment LP | 831,416 | $5.42M | 0.08% | +701,941+542.1% | Added |
| Parkman Healthcare Partners LLC | 876,268 | $5.71M | 0.78% | +26,268+3.1% | Added |
| Two Sigma Investments, LP | 917,594 | $5.98M | 0.01% | −270,639−22.8% | Reduced |
| Hodges Capital Management Inc. | 1,041,000 | $6.79M | 0.45% | +177,500+20.6% | Added |
| Bank of New York Mellon Corp | 1,043,378 | $6.80M | 0.00% | +5,960+0.6% | Added |
| Deutsche Bank AG | 1,047,137 | $6.83M | 0.00% | −470,589−31.0% | Reduced |
| First Eagle Investment Management, LLC | 1,104,225 | $7.20M | 0.02% | +102,000+10.2% | Added |