IRONWOOD PHARMACEUTICALS INC
IRWD- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001446847
Insider trades, last 90 days
0 buys · 1 sell
- Sold $578.06K
- Open-market purchases (P) and sales (S), counted by Form 4 filing.
13F holders, Q2 2026
212
- −15 vs. Q1 2026
- Total value $675.82M
Superinvestors holding IRWD
0
- None of the superinvestors held IRWD at the end of Q2 2026.
Price chart
Latest insider trades
View all: Latest insider tradesOpen-market purchases and sales by IRWD insiders, newest first.
| Filed (ET) | Trade date | Insider | Transaction | Shares | Avg price | Value | Shares after | Holding change | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Jul 9, 20264:32 PM ET | Jul 7, 2026 | Silver RonaldPFO & PAO | SSaleClass A Common Stock | −127.89K | $4.52 | −$578.06K | 313.68K | −29.0% | SEC10b5-1 |
| Jun 17, 2026 | Jun 16, 2026 | McHugh JulieDirector | SSaleClass A Common Stock | −21.57K | $3.73 | −$80.46K | 250.75K | −7.9% | SEC10b5-1 |
| Mar 17, 2026 | Mar 17, 2026 | DENNER ALEXANDER JDirector | SSaleClass A Common Stock | −6.73M | $3.0502 | −$20.53M | 9.19M | −42.3% | SEC |
| Feb 25, 2026 | Feb 23 – Feb 24, 2026 | Martini Gregory S.Chief Financial Officer | SSaleClass A Common Stock | −21.94K | $3.7317 | −$81.89K | 160.6K | −12.0% | SEC |
| Feb 25, 2026 | Feb 23 – Feb 24, 2026 | John MinardoChief Legal Officer | SSaleClass A Common Stock | −36.49K | $3.7317 | −$136.18K | 363.89K | −9.1% | SEC |
Top 5 13F holders, Q2 2026
View all: Top 5 13F holders, Q2 2026The largest institutional positions in IRWD at the end of Q2 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 17,788,557 | $74.89M | 0.00% | +4,425,627+33.1% | Added |
| ARMISTICE CAPITAL, LLC | 13,932,000 | $58.65M | 1.62% | −1,096,000−7.3% | Reduced |
| Sarissa Capital Management LP | 9,188,635 | $38.68M | 21.75% | 00.0% | Unchanged |
| STATE STREET CORP | 8,809,601 | $37.09M | 0.00% | +1,352,657+18.1% | Added |
| BANK OF AMERICA CORP /DE/ | 8,683,803 | $36.56M | 0.00% | +8960.0% | Added |