Companies / Ironwood Pharmaceuticals Inc

Ironwood Pharmaceuticals Inc

Nasdaq: IRWDCIK 1446847BOSTON, MAironwoodpharma.com ↗

Financials · FY2025

Revenue$296.15M
Net income$24.02M
Total debt$199.51M
Cash$79.13M
Diluted EPS$0.15
Shares outstanding165.2M

Ownership

165.2M shares outstanding · as of Jul 31, 2026
8.3%Insiders
Ownership
Insiders8.25%13,633,996
10%+ / strategic19.91%32,895,674
Institutions86.10%142,273,309
Public float0.00%0

Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 7

View all →
Insider% of sharesShares
Denner Alexander JDirector
5.76%9,512,490
MCCOURT Thomas ACEOChief Executive Officer · Director
1.15%1,898,838
Shetzline MichaelSVP, CMO, Head-Res&Drug
0.40%658,037
John MinardoChief Legal Officer
0.30%500,498
Silver RonaldPrincipal Accounting Officer
0.25%416,570
Gaskins Tammi LChief Commercial Officer
0.21%350,350
Martini Gregory S.Chief Financial Officer
0.18%297,213

Institutional holders 209

View all →
HolderValue% of shares
BlackRock, Inc.$74.89M10.77%
Armistice Capital, LLC$54.00M9.70%
Vanguard Group Inc$53.78M9.66%
Sarissa Capital Management LP$53.65M9.63%
Bank of America Corp /De$38.83M6.97%
State Street Corporation$37.09M5.33%
Renaissance Technologies LLC$28.29M4.88%
AQR Capital Management, LLC$26.45M4.56%
Two Sigma Investments, LP$20.53M3.54%
Charles Schwab Investment Management Inc$16.77M3.01%

Activity

View all →
InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Mar 17, 2026Denner Alexander J
Director
SellClass A Common Stock$20.51M-6.7M
-42.24%
9,194,435
5.56% of shares
high
Feb 24, 2026MCCOURT Thomas A
CEO
SellClass A Common Stock$378.9K-104K
-6.50%
1,489,002
0.90% of shares
medium
Feb 23, 2026MCCOURT Thomas A
CEO
SellClass A Common Stock$361.0K-95K
-5.62%
1,592,528
0.96% of shares
medium
Jan 5, 2026Silver Ronald
Executive
SellClass A Common Stock$162.9K-35K
-11.34%
276,809
0.17% of shares
medium
Feb 24, 2026John Minardo
Executive
SellClass A Common Stock$69.7K-19K
-4.98%
363,886
0.22% of shares
low
Feb 23, 2026John Minardo
Executive
SellClass A Common Stock$66.4K-17K
-4.36%
382,939
0.23% of shares
low
Feb 24, 2026Shetzline Michael
Executive
SellCommon Stock$62.3K+17K
+3.37%
521,425
0.32% of shares
low
Feb 23, 2026Shetzline Michael
Executive
SellClass A Common Stock$59.3K-16K
-2.81%
538,437
0.33% of shares
low

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
State Street CorporationPassive13G—8,809,601—
Vanguard Group IncPassive13G/A—0—
Armistice Capital, LLCPassive13G/A—16,025,000—
Renaissance Technologies LLCPassive13G/A—8,061,073—

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
IRWD——46333X108—