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Ironwood Pharmaceuticals Inc

IRWDNASDAQ · US

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Holders

BlackRock
13F filer
$149.2M
22,877,015 sh
as-of 30 Jun 2024Stale
Renaissance Technologies
13F filer
$28.3M
8,061,073 sh
as-of 31 Mar 2026Stale
Two Sigma Investments
13F filer
$20.5M
5,848,276 sh
as-of 31 Mar 2026Stale
Denner Alexander J
US insider
—
3,694 sh
as-of 10 Oct 2026T+2

Ownership

Ownership data not yet available for this security.

Disclosure timeline

ACQUIREDT+30
Denner Alexander J
Ironwood Pharmaceuticals Inc · NASDAQ
+3,694 sh
Filed 17 Sept 2026SEC Form 4view source
DISCLOSEDStale
Renaissance Technologies
Ironwood Pharmaceuticals Inc · NASDAQ
8,061,073 sh · $28.3M
Filed 31 Mar 2026SEC 13Fview source
DISCLOSEDStale
Two Sigma Investments
Ironwood Pharmaceuticals Inc · NASDAQ
5,848,276 sh · $20.5M
Filed 31 Mar 2026SEC 13Fview source
DISCLOSEDStale
BlackRock
Ironwood Pharmaceuticals Inc · NASDAQ
22,877,015 sh · $149.2M
Filed 30 Jun 2024SEC 13Fview source

Announcements

No announcements on record for this security.

IRWDNASDAQ · US

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Latest filing17 Sept 2026T+30

4 disclosed holders · 4 disclosures · 0 announcements

Ownership

Ownership data not yet available for this security.

Announcements

No announcements on record for this security.