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 2026
Institutional positions in Ironwood Pharmaceuticals Inc as of Jun 30, 2026. 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
- 212
- −12 vs. Q1 2026
- Shares held
- 160.6M
- −651.8K (−0.4%) vs. Q1 2026
- Total value
- $675.8M
- +$110.1M (+19.5%) vs. Q1 2026
- New holders
- 24
- 73 more added
- Sold out
- 36
- 84 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | 42,920 | $180.7K | 0.00% | −85−0.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 44,115 | $185.7K | 0.00% | 00.0% | Unchanged |
| Merit Financial Group, LLC | 44,799 | $188.6K | 0.00% | −9,908−18.1% | Reduced |
| Colony Group, LLC | 44,920 | $189.1K | 0.00% | −12,265−21.4% | Reduced |
| Axq Capital, LP | 47,028 | $198.0K | 0.02% | +34,079+263.2% | Added |
| Public Employees Retirement System of Ohio | 59,925 | $252.3K | 0.00% | −7,105−10.6% | Reduced |
| JustInvest LLC | 64,187 | $270.2K | 0.00% | −6,931−9.7% | Reduced |
| Squarepoint Ops LLC | 66,899 | $281.6K | 0.00% | +34,153+104.3% | Added |
| Captrust Financial Advisors | 71,706 | $301.9K | 0.00% | −3,224−4.3% | Reduced |
| Pallas Capital Advisors LLC | 73,996 | $311.5K | 0.01% | −6,571−8.2% | Reduced |
| SmartHarvest Portfolios, LLC | 75,462 | $317.7K | 0.10% | 00.0% | Unchanged |
| Profund Advisors LLC | 77,754 | $327.3K | 0.01% | −19,527−20.1% | Reduced |
| Allspring Global Investments Holdings, LLC | 82,315 | $339.1K | 0.00% | +3,122+3.9% | Added |
| Winton Group Ltd | 84,156 | $354.3K | 0.01% | −157,590−65.2% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 90,321 | $380.3K | 0.00% | −760−0.8% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 93,191 | $393.9K | 0.00% | +3,082+3.4% | Added |
| Integrated Quantitative Investments LLC | 93,689 | $394.4K | 0.06% | −458,415−83.0% | Reduced |
| MetLife Investment Management | 96,208 | $405.0K | 0.00% | +32,441+50.9% | Added |
| Engineers Gate Manager LP | 98,052 | $412.8K | 0.01% | +18,200+22.8% | Added |
| Ameriprise Financial Inc | 99,526 | $419.0K | 0.00% | +185+0.2% | Added |
| Barclays PLC | 100,123 | $421.5K | 0.00% | +10,153+11.3% | Added |
| Cercano Management LLC | 101,378 | $426.8K | 0.06% | 00.0% | Unchanged |
| State of Wyoming | 101,781 | $428.5K | 0.04% | −26,394−20.6% | Reduced |
| Optimist Retirement Group LLC | 102,054 | $429.6K | 0.17% | +7,223+7.6% | Added |
| D. E. Shaw & Co., Inc. | 122,907 | $517.4K | 0.00% | +74,969+156.4% | Added |
| Mercer Global Advisors Inc | 126,160 | $531.1K | 0.00% | +11,080+9.6% | Added |
| SRS Capital Advisors, Inc. | 126,966 | $534.5K | 0.00% | +125,263+7,355.4% | Added |
| HSBC Holdings PLC | 126,100 | $541.6K | 0.00% | +96,394+324.5% | Added |
| Price T Rowe Associates Inc | 128,772 | $543.0K | 0.00% | +4,458+3.6% | Added |
| SG Americas Securities, LLC | 129,280 | $544.0K | 0.00% | +15,650+13.8% | Added |
| Susquehanna International Group, LLP | 129,237 | $544.1K | 0.00% | −1,342,920−91.2% | Reduced |
| Jane Street Group, LLC | 129,700 | $546.0K | 0.00% | −492,547−79.2% | Reduced |
| Canada Pension Plan Investment Board | 130,900 | $551.1K | 0.00% | −4,100−3.0% | Reduced |
| Fifth Third Bancorp | 132,748 | $558.9K | 0.00% | −32,346−19.6% | Reduced |
| Alliancebernstein L.P. | 165,790 | $581.9K | 0.00% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 150,604 | $634.0K | 0.00% | +20,901+16.1% | Added |
| Rafferty Asset Management, LLC | 152,878 | $643.6K | 0.00% | −63,745−29.4% | Reduced |
| Omers Administration Corp | 159,010 | $669.4K | 0.00% | −67,300−29.7% | Reduced |
| Mariner, LLC | 168,472 | $709.3K | 0.00% | −39,307−18.9% | Reduced |
| KLP Kapitalforvaltning AS | 174,200 | $733.4K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 177,030 | $745.3K | 0.00% | −490−0.3% | Reduced |
| Vident Advisory, LLC | 180,929 | $761.7K | 0.01% | −3,408−1.8% | Reduced |
| Evolve Private Wealth, LLC | 186,864 | $786.7K | 0.05% | +171,397+1,108.1% | Added |
| Martingale Asset Management L P | 204,991 | $863.0K | 0.02% | 00.0% | Unchanged |
| Rhumbline Advisers | 205,095 | $863.4K | 0.00% | +12,161+6.3% | Added |
| Cerity Partners LLC | 208,019 | $875.8K | 0.00% | −160,351−43.5% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 219,445 | $913.3K | 0.00% | −7,243−3.2% | Reduced |
| JPMorgan Chase & Co | 212,575 | $914.1K | 0.00% | +94,384+79.9% | Added |
| Russell Investments Group, Ltd. | 224,821 | $946.5K | 0.00% | −36,968−14.1% | Reduced |
| Citigroup Inc | 226,824 | $954.9K | 0.00% | +187,419+475.6% | Added |
| Gsa Capital Partners LLP | 259,512 | $1.09M | 0.07% | −394,933−60.3% | Reduced |
| Globeflex Capital L P | 259,809 | $1.09M | 0.14% | 00.0% | Unchanged |
| CWA Asset Management Group, LLC | 290,366 | $1.22M | 0.04% | +290,366 | New |
| LSV Asset Management | 308,271 | $1.30M | 0.00% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 318,598 | $1.34M | 0.31% | +242,429+318.3% | Added |
| Los Angeles Capital Management LLC | 342,293 | $1.44M | 0.01% | −166,954−32.8% | Reduced |
| Robeco Institutional Asset Management B.V. | 342,998 | $1.44M | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 347,985 | $1.47M | 0.00% | −1,242,096−78.1% | Reduced |
| CM Management, LLC | 350,000 | $1.47M | 0.94% | 00.0% | Unchanged |
| Nuveen, LLC | 355,372 | $1.50M | 0.00% | +121,960+52.3% | Added |
| Ritholtz Wealth Management | 360,094 | $1.52M | 0.02% | +272,559+311.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 375,288 | $1.58M | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 389,529 | $1.64M | 0.00% | −543,696−58.3% | Reduced |
| Bridgeway Capital Management, LLC | 389,793 | $1.64M | 0.03% | −50,700−11.5% | Reduced |
| Man Group plc | 392,117 | $1.65M | 0.00% | −148,747−27.5% | Reduced |
| Invesco Ltd. | 403,209 | $1.70M | 0.00% | −144,151−26.3% | Reduced |
| Segall Bryant & Hamill, LLC | 408,064 | $1.72M | 0.02% | +129,863+46.7% | Added |
| Wedge Capital Management L L P | 435,650 | $1.83M | 0.03% | −104,842−19.4% | Reduced |
| O'Shaughnessy Asset Management, LLC | 438,911 | $1.85M | 0.01% | +310,668+242.2% | Added |
| SEI Investments Co | 459,417 | $1.93M | 0.00% | −283,131−38.1% | Reduced |
| Wellington Management Group LLP | 468,821 | $1.97M | 0.00% | +15,306+3.4% | Added |
| Voya Investment Management LLC | 484,450 | $2.04M | 0.00% | +338,631+232.2% | Added |
| Citadel Advisors LLC | 502,403 | $2.12M | 0.00% | +384,127+324.8% | Added |
| Bank of New York Mellon Corp | 508,880 | $2.14M | 0.00% | +24,844+5.1% | Added |
| Prudential Financial Inc | 537,199 | $2.26M | 0.00% | +87,360+19.4% | Added |
| Vanguard Global Advisers, LLC | 561,038 | $2.36M | 0.00% | −30,451−5.1% | Reduced |
| Ieq Capital, LLC | 561,588 | $2.36M | 0.01% | −181,135−24.4% | Reduced |
| HRT Financial LP | 577,337 | $2.43M | 0.00% | +577,337 | New |
| CWM Advisors, LLC | 630,072 | $2.65M | 0.11% | +120,131+23.6% | Added |
| Victory Capital Management Inc | 658,457 | $2.77M | 0.00% | −54,730−7.7% | Reduced |
| Raymond James Financial Inc | 725,085 | $3.05M | 0.00% | −38,870−5.1% | Reduced |
| State of Wisconsin Investment Board | 778,515 | $3.28M | 0.01% | +180,356+30.2% | Added |
| FMR LLC | 909,488 | $3.83M | 0.00% | +119,102+15.1% | Added |
| Franklin Resources Inc | 1,006,979 | $4.24M | 0.00% | +262,341+35.2% | Added |
| Vanguard Fiduciary Trust Co | 1,040,335 | $4.38M | 0.00% | +51,705+5.2% | Added |
| Pacer Advisors, Inc. | 1,095,513 | $4.61M | 0.01% | −38,999−3.4% | Reduced |
| Deutsche Bank AG | 1,158,138 | $4.88M | 0.00% | +33,149+2.9% | Added |
| Wells Fargo & Company | 1,206,198 | $5.08M | 0.00% | +1,147,348+1,949.6% | Added |
| Hillsdale Investment Management Inc. | 1,250,428 | $5.26M | 0.12% | +13,800+1.1% | Added |
| Northern Trust Corp | 1,373,974 | $5.78M | 0.00% | +108,132+8.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 1,811,714 | $7.63M | 0.01% | −23,710−1.3% | Reduced |
| Morgan Stanley | 1,859,914 | $7.83M | 0.00% | +1,035,095+125.5% | Added |
| Mackenzie Financial Corp | 2,367,493 | $9.97M | 0.01% | +1,807,459+322.7% | Added |
| Dimensional Fund Advisors LP | 2,522,891 | $10.6M | 0.00% | +440,836+21.2% | Added |
| Arrowstreet Capital, Limited Partnership | 3,017,089 | $12.7M | 0.01% | −380,153−11.2% | Reduced |
| Federated Hermes, Inc. | 3,231,238 | $13.6M | 0.02% | −117,568−3.5% | Reduced |
| Charles Schwab Investment Management Inc | 3,302,242 | $13.9M | 0.00% | −1,435,615−30.3% | Reduced |
| Goldman Sachs Group Inc | 3,313,808 | $14.0M | 0.00% | +623,174+23.2% | Added |
| Jacobs Levy Equity Management, Inc | 4,065,964 | $17.1M | 0.06% | +433,487+11.9% | Added |
| Marshall Wace, LLP | 4,290,093 | $18.1M | 0.02% | −234,971−5.2% | Reduced |