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, Q3 2024
Institutional positions in Ironwood Pharmaceuticals Inc as of Sep 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
- 221
- −5 vs. Q2 2024
- Shares held
- 163.5M
- +15.0M (+10.1%) vs. Q2 2024
- Total value
- $673.7M
- −$294.3M (−30.4%) vs. Q2 2024
- New holders
- 39
- 69 more added
- Sold out
- 44
- 77 more reduced
1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 22,919,857 | $94.4M | 0.00% | +22,919,857 | New |
| Vanguard Group Inc | 22,038,097 | $90.8M | 0.00% | +474,683+2.2% | Added |
| Sarissa Capital Management LP | 16,390,000 | $67.5M | 16.78% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 11,279,822 | $46.5M | 0.10% | +2,372,183+26.6% | Added |
| State Street Corp | 9,919,865 | $40.9M | 0.00% | +677,024+7.3% | Added |
| Renaissance Technologies LLC | 8,597,198 | $35.4M | 0.05% | +25,300+0.3% | Added |
| Armistice Capital, LLC | 8,200,000 | $33.8M | 0.88% | +400,000+5.1% | Added |
| LSV Asset Management | 5,051,601 | $20.8M | 0.04% | −1,019,900−16.8% | Reduced |
| Braidwell LP | 4,438,232 | $18.3M | 0.52% | 00.0% | Unchanged |
| Morgan Stanley | 4,321,589 | $17.8M | 0.00% | −539,239−11.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 4,265,100 | $17.6M | 0.07% | −93,198−2.1% | Reduced |
| Kynam Capital Management, LP | 3,685,563 | $15.2M | 1.18% | +2,043,672+124.5% | Added |
| Geode Capital Management, LLC | 3,293,542 | $13.6M | 0.00% | −78,780−2.3% | Reduced |
| Charles Schwab Investment Management Inc | 1,904,271 | $7.85M | 0.00% | +364,841+23.7% | Added |
| Northern Trust Corp | 1,506,148 | $6.21M | 0.00% | +29,605+2.0% | Added |
| Jupiter Asset Management Ltd | 1,448,435 | $5.97M | 0.05% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 1,260,500 | $5.19M | 0.01% | +61,500+5.1% | Added |
| Goldman Sachs Group Inc | 1,223,137 | $5.04M | 0.00% | −340,295−21.8% | Reduced |
| Saturn V Capital Management LLC | 1,120,409 | $4.62M | 1.65% | +6,585+0.6% | Added |
| Deutsche Bank AG | 1,063,199 | $4.38M | 0.00% | +16,062+1.5% | Added |
| Stonepine Capital Management, LLC | 1,000,000 | $4.12M | 2.60% | +951,988+1,982.8% | Added |
| UBS Group AG | 946,884 | $3.90M | 0.00% | −892,915−48.5% | Reduced |
| Millennium Management LLC | 925,872 | $3.81M | 0.00% | −402,888−30.3% | Reduced |
| Bank of New York Mellon Corp | 912,778 | $3.76M | 0.00% | −130,600−12.5% | Reduced |
| Man Group plc | 894,726 | $3.69M | 0.01% | −2,089,725−70.0% | Reduced |
| Two Sigma Investments, LP | 890,963 | $3.67M | 0.01% | −26,631−2.9% | Reduced |
| Acadian Asset Management LLC | 786,292 | $3.24M | 0.01% | +786,292 | New |
| Principal Financial Group Inc | 735,727 | $3.03M | 0.00% | −59,598−7.5% | Reduced |
| Citadel Advisors LLC | 697,426 | $2.87M | 0.00% | +287,893+70.3% | Added |
| Royce & Associates LP | 662,934 | $2.73M | 0.02% | +64,353+10.8% | Added |
| Ameriprise Financial Inc | 598,202 | $2.46M | 0.00% | −40,125−6.3% | Reduced |
| Capital Fund Management S.A. | 581,359 | $2.40M | 0.03% | +275,738+90.2% | Added |
| State of Wisconsin Investment Board | 573,426 | $2.36M | 0.01% | +397,862+226.6% | Added |
| Qube Research & Technologies Ltd | 570,775 | $2.35M | 0.00% | +570,775 | New |
| AQR Capital Management LLC | 564,113 | $2.32M | 0.00% | −120,465−17.6% | Reduced |
| Invesco Ltd. | 527,694 | $2.17M | 0.00% | −1,139,072−68.3% | Reduced |
| Redwood Investment Management, LLC | 534,560 | $2.15M | 0.19% | +58,783+12.4% | Added |
| Russell Investments Group, Ltd. | 463,047 | $1.91M | 0.00% | −91,648−16.5% | Reduced |
| Emerald Advisers, LLC | 456,770 | $1.88M | 0.07% | −329,567−41.9% | Reduced |
| Parkman Healthcare Partners LLC | 455,477 | $1.88M | 0.24% | −420,791−48.0% | Reduced |
| Bank of America Corp | 419,773 | $1.73M | 0.00% | −292,614−41.1% | Reduced |
| Barclays PLC | 416,320 | $1.72M | 0.00% | +219,304+111.3% | Added |
| SEI Investments Co | 410,680 | $1.69M | 0.00% | +410,680 | New |
| Legal & General Group Plc | 408,922 | $1.68M | 0.00% | −349−0.1% | Reduced |
| Nuveen Asset Management, LLC | 405,354 | $1.67M | 0.00% | −54,087−11.8% | Reduced |
| Rafferty Asset Management, LLC | 396,664 | $1.63M | 0.01% | +12,312+3.2% | Added |
| Norges Bank | 394,266 | $1.62M | 0.00% | −998,811−71.7% | Reduced |
| Robeco Institutional Asset Management B.V. | 380,960 | $1.57M | 0.00% | +353,624+1,293.6% | Added |
| Gsa Capital Partners LLP | 351,193 | $1.45M | 0.11% | +232,087+194.9% | Added |
| Hodges Capital Management Inc. | 347,500 | $1.43M | 0.09% | −693,500−66.6% | Reduced |
| Rhumbline Advisers | 337,965 | $1.39M | 0.00% | −27,736−7.6% | Reduced |
| Franklin Resources Inc | 313,048 | $1.34M | 0.00% | −7,127−2.2% | Reduced |
| Jane Street Group, LLC | 323,638 | $1.33M | 0.00% | +164,006+102.7% | Added |
| Omers Administration Corp | 320,410 | $1.32M | 0.01% | −12,800−3.8% | Reduced |
| Wedge Capital Management L L P | 314,843 | $1.30M | 0.02% | +314,843 | New |
| Bridgeway Capital Management, LLC | 311,200 | $1.28M | 0.03% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 306,865 | $1.26M | 0.00% | −1,546,140−83.4% | Reduced |
| Public Sector Pension Investment Board | 298,286 | $1.23M | 0.01% | −9,500−3.1% | Reduced |
| Walleye Capital LLC | 280,299 | $1.15M | 0.01% | +203,331+264.2% | Added |
| Swiss National Bank | 276,700 | $1.14M | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 269,725 | $1.11M | 0.00% | −38,965−12.6% | Reduced |
| D. E. Shaw & Co., Inc. | 244,681 | $1.01M | 0.00% | −140,268−36.4% | Reduced |
| Victory Capital Management Inc | 218,009 | $898.2K | 0.00% | −4,564−2.1% | Reduced |
| Weiss Asset Management LP | 216,707 | $892.8K | 0.02% | +216,707 | New |
| Alberta Investment Management Corp | 210,731 | $868.2K | 0.01% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 208,273 | $858.1K | 0.00% | −5,346−2.5% | Reduced |
| Knott David M Jr | 207,033 | $853.0K | 0.34% | −162,967−44.0% | Reduced |
| Emerald Mutual Fund Advisers Trust | 197,396 | $813.3K | 0.04% | −446,757−69.4% | Reduced |
| Citigroup Inc | 186,173 | $767.0K | 0.00% | +1,505+0.8% | Added |
| Schonfeld Strategic Advisors LLC | 181,593 | $748.2K | 0.01% | −165,447−47.7% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 170,811 | $703.7K | 0.03% | +41,162+31.7% | Added |
| FMR LLC | 169,681 | $699.1K | 0.00% | +34,089+25.1% | Added |
| Harbor Capital Advisors, Inc. | 168,071 | $692.0K | 0.03% | +56,097+50.1% | Added |
| Macquarie Group Ltd | 167,200 | $689.0K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 163,070 | $671.8K | 0.00% | 00.0% | Unchanged |
| Vestcor Inc | 159,466 | $657.0K | 0.02% | +43,703+37.8% | Added |
| BNP Paribas Arbitrage, SA | 154,660 | $637.2K | 0.00% | +72,815+89.0% | Added |
| Prudential Financial Inc | 150,788 | $621.2K | 0.00% | −3,150−2.0% | Reduced |
| Comerica Bank | 150,191 | $618.8K | 0.00% | +106,892+246.9% | Added |
| Great West Life Assurance Co | 148,510 | $611.0K | 0.00% | −32,053−17.8% | Reduced |
| California State Teachers Retirement System | 135,142 | $556.8K | 0.00% | −2,598−1.9% | Reduced |
| Dark Forest Capital Management LP | 128,414 | $529.1K | 0.07% | +68,028+112.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 126,289 | $520.3K | 0.00% | +75,917+150.7% | Added |
| Alps Advisors Inc | 117,535 | $484.2K | 0.00% | −6,440−5.2% | Reduced |
| Siren, L.L.C. | 110,532 | $455.4K | 0.02% | +110,532 | New |
| Thrivent Financial for Lutherans | 110,389 | $455.0K | 0.00% | −5,734−4.9% | Reduced |
| Public Employees Retirement System of Ohio | 109,848 | $452.6K | 0.00% | +812+0.7% | Added |
| Graham Capital Management, L.P. | 107,970 | $444.8K | 0.01% | +107,970 | New |
| Price T Rowe Associates Inc | 103,356 | $426.0K | 0.00% | +1,908+1.9% | Added |
| Kennedy Capital Management, Inc. | 102,477 | $422.2K | 0.01% | −1,339−1.3% | Reduced |
| Cercano Management LLC | 101,378 | $417.7K | 0.01% | +101,378 | New |
| CWM Advisors, LLC | 101,029 | $416.2K | 0.04% | +46,352+84.8% | Added |
| Guggenheim Capital LLC | 100,251 | $413.0K | 0.00% | +10,307+11.5% | Added |
| Massachusetts Financial Services Co | 99,470 | $409.8K | 0.00% | −2,409−2.4% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 93,260 | $382.7K | 0.00% | +8,829+10.5% | Added |
| Clearline Capital LP | 92,870 | $382.6K | 0.03% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 85,392 | $351.8K | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 82,369 | $339.4K | 0.01% | +6,986+9.3% | Added |
| Susquehanna International Group, LLP | 81,674 | $336.5K | 0.00% | +9,047+12.5% | Added |
| Corebridge Financial, Inc. | 81,171 | $334.4K | 0.00% | −827−1.0% | Reduced |