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, Q1 2026
Institutional positions in Ironwood Pharmaceuticals Inc as of Mar 31, 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
- 227
- +32 vs. Q4 2025
- Shares held
- 161.5M
- +22.8M (+16.5%) vs. Q4 2025
- Total value
- $566.8M
- +$100.5M (+21.5%) vs. Q4 2025
- New holders
- 57
- 86 more added
- Sold out
- 25
- 56 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nisa Investment Advisors, LLC | 1,627 | $5.71K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 1,514 | $5.31K | 0.00% | +576+61.4% | Added |
| Carolina Wealth Advisors, LLC | 1,492 | $5.24K | 0.00% | +1,492 | New |
| Royal Bank of Canada | 1,461 | $5.00K | 0.00% | −3,849−72.5% | Reduced |
| Sterling Capital Management LLC | 1,353 | $4.75K | 0.00% | −563−29.4% | Reduced |
| SBI Securities Co., Ltd. | 1,286 | $4.51K | 0.00% | +1,220+1,848.5% | Added |
| IAG Wealth Partners, LLC | 1,000 | $3.51K | 0.00% | +1,000 | New |
| Quantbot Technologies LP | 756 | $2.65K | 0.00% | +756 | New |
| Signaturefd, LLC | 736 | $2.58K | 0.00% | +736 | New |
| Basecamp Wealth Advisors LLC | 596 | $2.09K | 0.00% | +596 | New |
| Caitong International Asset Management Co., Ltd | 522 | $1.83K | 0.00% | +522 | New |
| Sunbelt Securities, Inc. | 444 | $1.56K | 0.00% | 00.0% | Unchanged |
| Intentional Wealth Strategies, LLC | 349 | $1.23K | 0.00% | +349 | New |
| SJS Investment Consulting Inc. | 305 | $1.07K | 0.00% | +284+1,352.4% | Added |
| Avion Wealth | 408 | $1.00K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 235 | $825 | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 235 | $825 | 0.00% | +235 | New |
| Pinnacle Wealth Planning Services, Inc. | 201 | $706 | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 133 | $467 | 0.00% | +133 | New |
| Advisor Group Holdings, Inc. | 110 | $386 | 0.00% | −3,289−96.8% | Reduced |
| Frazier Financial Advisors, LLC | 97 | $341 | 0.00% | +97 | New |
| Clean Yield Group | 85 | $298 | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 66 | $232 | 0.00% | +66 | New |
| Ronald Blue Trust, Inc. | 34 | $119 | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 17 | $60 | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 1 | $3 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 95 | $0 | 0.00% | +1+1.1% | Added |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −3,140,100−100.0% | Sold out |
| Diadema Partners LP | 0 | $0 | 0.00% | −683,611−100.0% | Sold out |
| Exome Asset Management LLC | 0 | $0 | 0.00% | −648,532−100.0% | Sold out |
| Persistent Asset Partners Ltd | 0 | $0 | 0.00% | −182,046−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −136,507−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −76,554−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −65,156−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −54,408−100.0% | Sold out |
| Polymer Capital Management (US) LLC | 0 | $0 | 0.00% | −48,747−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −43,904−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −30,009−100.0% | Sold out |
| Diversified Trust Co | 0 | $0 | 0.00% | −12,574−100.0% | Sold out |
| Kaufman Rossin Wealth, LLC | 0 | $0 | 0.00% | −10,516−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −10,062−100.0% | Sold out |
| Fisher Asset Management, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −7,902−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −5,793−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −5,027−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −932−100.0% | Sold out |
| Optima Capital LLC | 0 | $0 | 0.00% | −778−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −573−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Torren Management, LLC | 0 | $0 | 0.00% | −72−100.0% | Sold out |
| Garner Asset Management Corp | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −41−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| EMC Capital Management | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |