Ironwood Pharmaceuticals, Inc. (IRWD) ownership: Top institutional holder: BlackRock Fund Advisors ($98.65M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock Fund Advisors | 6452010.00 | $98.65M | 2016-12-31 |
| VANGUARD GROUP INC | 15958196.00 | $53.78M | 2025-12-31 |
| ARMISTICE CAPITAL, LLC | 15028000.00 | $52.75M | 2026-03-31 |
| BlackRock, Inc. | 13362930.00 | $46.90M | 2026-03-31 |
| UBS Group AG | 11200320.00 | $39.31M | 2026-03-31 |
| Sarissa Capital Management LP | 9188635.00 | $32.25M | 2026-03-31 |
| BANK OF AMERICA CORP /DE/ | 8682907.00 | $30.48M | 2026-03-31 |
| RENAISSANCE TECHNOLOGIES LLC | 8061073.00 | $28.29M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-15 |
Back to IRWD overview · IRWD earnings · All congressional trades
Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.