What percentage of Koppers Holdings Inc. does BlackRock own, and how many shares does that represent as of March 31, 2026?

BlackRock, Inc. owns a 15.3% beneficial ownership stake in Koppers Holdings Inc. (NYSE: KOP), representing 2,952,521 shares as of March 31, 2026, according to its amended Schedule 13G/A filing.

What voting and dispositive powers does BlackRock exercise over its Koppers Holdings shares?

BlackRock exercises sole voting power over 2,923,873 shares and sole dispositive power over all 2,952,521 shares of Koppers Holdings Inc., as disclosed in the Schedule 13G/A filing.

BlackRock holds 15.3% of Koppers Holdings Inc. (NYSE: KOP) in Schedule 13G/A

Apr 24, 2026

BlackRock filed an amended Schedule 13G/A reporting a 15.3% beneficial ownership stake in Koppers Holdings Inc. as of March 31, 2026, totaling approximately 2.95 million shares.

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