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IRWD NASDAQ

Ironwood Pharmaceuticals, Inc.
1W: -4.9% 1M: -21.1% 3M: -9.9% YTD: -22.9% 1Y: +476.2% 3Y: -69.8% 5Y: -71.5%
$3.22
-0.07 (-2.13%)
 
Weekly Expected Move ±8.5%
$3 $3 $3 $4 $4
NASDAQ · Healthcare · Drug Manufacturers - Specialty & Generic · Alpha Radar Sell · Power 35 · $530.1M mcap · 158M float · 1.57% daily turnover · Short 46% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
246
Institutions Holding
+22 vs prior
89.3%
Ownership
-4.63%
47 New
77 Increased
95 Reduced
48 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-05-19 Silver Ronald officer: pfo & pao A-Grant/Award 25,000 $— $0 Filing
2026-03-17 DENNER ALEXANDER J director S-Sale 5,800 $3.31 $19K Filing
2026-03-17 DENNER ALEXANDER J director S-Sale 6,725,000 $3.05 $20.5M Filing
2026-03-13 DENNER ALEXANDER J director A-Grant/Award 4,451 $— $0 Filing
2026-02-24 Silver Ronald officer: principal accounting officer S-Sale 12,621 $3.66 $46K Filing
2026-02-24 Gaskins Tammi L officer: chief commercial officer S-Sale 11,239 $3.66 $41K Filing
2026-02-24 MCCOURT Thomas A officer: chief executive officer S-Sale 103,526 $3.66 $379K Filing
2026-02-24 Shetzline Michael officer: svp, cmo, head-res&drug S-Sale 17,012 $3.66 $62K Filing
2026-02-24 John Minardo officer: chief legal officer S-Sale 19,053 $3.66 $70K Filing
2026-02-24 Martini Gregory S. officer: chief financial officer S-Sale 11,457 $3.66 $42K Filing
2026-02-23 Gaskins Tammi L officer: chief commercial officer S-Sale 10,287 $3.81 $39K Filing
2026-02-23 Silver Ronald officer: principal accounting officer S-Sale 11,552 $3.81 $44K Filing
2026-02-23 MCCOURT Thomas A officer: chief executive officer S-Sale 94,757 $3.81 $361K Filing
2026-02-23 Shetzline Michael officer: svp, cmo, head-res&drug S-Sale 15,570 $3.81 $59K Filing
2026-02-23 John Minardo officer: chief legal officer S-Sale 17,439 $3.81 $66K Filing
2026-02-23 Martini Gregory S. officer: chief financial officer S-Sale 10,487 $3.81 $40K Filing
2026-01-05 Silver Ronald officer: principal accounting officer S-Sale 35,416 $4.60 $163K Filing
2025-12-15 DENNER ALEXANDER J director A-Grant/Award 4,178 $— $0 Filing
2025-12-15 Sarissa Capital Management LP 10% owner A-Grant/Award 4,178 $— $0 Filing
2025-11-17 Gaskins Tammi L officer: chief commercial officer S-Sale 6,016 $3.32 $20K Filing
2025-09-15 DENNER ALEXANDER J director A-Grant/Award 11,718 $— $0 Filing
2025-08-11 Martini Gregory S. officer: chief financial officer S-Sale 1,265 $0.84 $1K Filing
2025-08-11 John Minardo officer: chief legal officer S-Sale 7,754 $0.84 $7K Filing
2025-08-11 Silver Ronald officer: principal accounting officer S-Sale 2,846 $0.84 $2K Filing
2025-08-11 Gaskins Tammi L officer: chief commercial officer S-Sale 1,316 $0.84 $1K Filing

🏛️ Congressional Trades

0 records
Date Politician Chamber Type Amount Filing
No congressional trades found

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
ARMISTICE CAPITAL, LLC 15,028,000 $53M -997,000 2026-03-31 Filing
BlackRock, Inc. 13,362,930 $47M +578,124 2026-03-31 Filing
Sarissa Capital Management LP 9,188,635 $32M -6,730,800 2026-03-31 Filing
BANK OF AMERICA CORP /DE 8,682,907 $30M -2,838,753 2026-03-31 Filing
RENAISSANCE TECHNOLOGIES LLC 8,061,073 $28M -143,900 2026-03-31 Filing
AQR CAPITAL MANAGEMENT LLC 7,535,080 $26M +2,811,549 2026-03-31 Filing
STATE STREET CORP 7,456,944 $26M +3,045,722 2026-03-31 Filing
VANGUARD PORTFOLIO MANAGEMENT LLC 6,682,037 $23M +6,682,037 2026-03-31 Filing
VANGUARD CAPITAL MANAGEMENT LLC 6,097,454 $21M +6,097,454 2026-03-31 Filing
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 4,737,857 $17M -238,082 2026-03-31 Filing
GEODE CAPITAL MANAGEMENT, LLC 4,543,522 $16M +919,988 2026-03-31 Filing
JACOBS LEVY EQUITY MANAGEMENT, INC 3,632,477 $13M +872,810 2026-03-31 Filing
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 3,397,242 $12M +2,985,181 2026-03-31 Filing
GOLDMAN SACHS GROUP INC 2,690,634 $9M +1,415,319 2026-03-31 Filing
DIMENSIONAL FUND ADVISORS LP 2,082,055 $7M +1,751,219 2026-03-31 Filing
Qube Research & Technologies Ltd 1,590,081 $6M -91,148 2026-03-31 Filing
SUSQUEHANNA INTERNATIONAL GROUP, LLP 1,472,157 $5M +1,023,358 2026-03-31 Filing
NORTHERN TRUST CORP 1,265,842 $4M +32,157 2026-03-31 Filing
Hillsdale Investment Management Inc. 1,236,628 $4M +80,250 2026-03-31 Filing
DEUTSCHE BANK AG 1,124,989 $4M +15,065 2026-03-31 Filing

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms