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Flock — Smart-money disclosures, made readable

Koppers Holdings Inc

KOPNASDAQ · US

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Holders

BlackRock
13F filer
$141.4M
3,821,337 sh
as-of 30 Jun 2024Stale
Two Sigma Investments
13F filer
$16.2M
417,536 sh
as-of 31 Mar 2026Quarterly
Renaissance Technologies
13F filer
$212.7K
5,500 sh
as-of 31 Mar 2026Quarterly

Ownership

Ownership data not yet available for this security.

Disclosure timeline

REDUCEDT+2
Ball M Leroy
Koppers Holdings Inc · NASDAQ
−3,000 sh · $137.5K
Filed 20 Aug 2026SEC Form 4view source
DISCLOSEDQuarterly
Renaissance Technologies
Koppers Holdings Inc · NASDAQ
5,500 sh · $212.7K
Filed 31 Mar 2026SEC 13Fview source
DISCLOSEDQuarterly
Two Sigma Investments
Koppers Holdings Inc · NASDAQ
417,536 sh · $16.2M
Filed 31 Mar 2026SEC 13Fview source
DISCLOSEDStale
BlackRock
Koppers Holdings Inc · NASDAQ
3,821,337 sh · $141.4M
Filed 30 Jun 2024SEC 13Fview source

Announcements

No announcements on record for this security.

KOPNASDAQ · US

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Latest filing20 Aug 2026T+2

3 disclosed holders · 4 disclosures · 0 announcements

Ownership

Ownership data not yet available for this security.

Announcements

No announcements on record for this security.