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 2021
Institutional positions in Ironwood Pharmaceuticals Inc as of Sep 30, 2021. 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
- 229
- +23 vs. Q2 2021
- Shares held
- 177.4M
- +3.97M (+2.3%) vs. Q2 2021
- Total value
- $2.32B
- +$83.1M (+3.7%) vs. Q2 2021
- New holders
- 40
- 85 more added
- Sold out
- 17
- 70 more reduced
3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| UBS Asset Management Americas Inc | 1,229,110 | $16.1M | 0.01% | −676,165−35.5% | Reduced |
| Wells Fargo & Company | 1,297,039 | $16.9M | 0.00% | +336,513+35.0% | Added |
| D. E. Shaw & Co., Inc. | 1,325,427 | $17.3M | 0.02% | +341,189+34.7% | Added |
| Charles Schwab Investment Management Inc | 1,440,085 | $18.8M | 0.01% | +258,897+21.9% | Added |
| Jupiter Asset Management Ltd | 1,537,262 | $20.1M | 0.23% | −10,190−0.7% | Reduced |
| Millennium Management LLC | 1,545,482 | $20.2M | 0.03% | −213,471−12.1% | Reduced |
| Morgan Stanley | 1,707,789 | $22.3M | 0.00% | +253,636+17.4% | Added |
| Northern Trust Corp | 1,728,883 | $22.6M | 0.00% | −1,533−0.1% | Reduced |
| New York State Common Retirement Fund | 1,766,270 | $23.1M | 0.02% | −592,507−25.1% | Reduced |
| JPMorgan Chase & Co | 1,766,294 | $23.1M | 0.00% | +843,827+91.5% | Added |
| Norges Bank | 1,775,428 | $23.2M | 0.01% | −6,525−0.4% | Reduced |
| Nuveen Asset Management, LLC | 2,296,161 | $28.4M | 0.01% | −11,444−0.5% | Reduced |
| Renaissance Technologies LLC | 2,209,553 | $28.9M | 0.04% | −1,228,500−35.7% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 2,220,400 | $29.0M | 0.16% | +2,005,800+934.7% | Added |
| Geode Capital Management, LLC | 2,811,404 | $36.7M | 0.00% | +53,995+2.0% | Added |
| Dimensional Fund Advisors LP | 2,957,073 | $38.6M | 0.01% | +277,543+10.4% | Added |
| Goldman Sachs Group Inc | 3,075,276 | $40.2M | 0.01% | +43,705+1.4% | Added |
| Credit Suisse AG | 4,650,891 | $60.7M | 0.05% | +594,844+14.7% | Added |
| Putnam Investments LLC | 5,483,569 | $71.6M | 0.11% | +746,154+15.8% | Added |
| Camber Capital Management LP | 5,500,000 | $71.8M | 2.67% | −2,000,000−26.7% | Reduced |
| State Street Corp | 7,433,009 | $97.1M | 0.01% | +627,340+9.2% | Added |
| LSV Asset Management | 7,812,227 | $102.0M | 0.18% | +3,448,000+79.0% | Added |
| Westfield Capital Management Co LP | 8,181,003 | $106.8M | 0.64% | +1,922,130+30.7% | Added |
| BlackRock Inc. | 12,471,775 | $162.9M | 0.00% | +920,868+8.0% | Added |
| Vanguard Group Inc | 13,456,133 | $175.7M | 0.00% | −441,046−3.2% | Reduced |
| Sarissa Capital Management LP | 16,390,000 | $214.1M | 16.80% | 00.0% | Unchanged |
| Brown Capital Management LLC | 17,004,395 | $222.1M | 1.82% | −1,480,364−8.0% | Reduced |
| Wellington Management Group LLP | 17,501,021 | $228.6M | 0.04% | −3,593,630−17.0% | Reduced |
| Gerber Kawasaki Wealth & Investment Management | 2 | – | – | −16,096−100.0% | Reduced |
| Teachers Retirement System of the State of Kentucky | 0 | $0 | 0.00% | −542,131−100.0% | Sold out |
| HealthCor Management, L.P. | 0 | $0 | 0.00% | −522,712−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −418,870−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −159,157−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −76,060−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −42,036−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −22,175−100.0% | Sold out |
| Hennion & Walsh Asset Management, Inc. | 0 | $0 | 0.00% | −17,294−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −15,214−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −14,943−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −13,800−100.0% | Sold out |
| SG3 Management, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Pinz Capital Management, LP | 0 | $0 | 0.00% | −9,000−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −1,431−100.0% | Sold out |
| Savior LLC | 0 | $0 | 0.00% | −333−100.0% | Sold out |
| Farmers & Merchants Investments Inc | 0 | $0 | 0.00% | −166−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Pictet Asset Management Ltd | – | – | – | – | Not filed |
| Smith Asset Management Group LP | – | – | – | – | Not filed |
| First Horizon Corp | – | – | – | – | Not filed |