Koppers Holdings Inc (KOP) Quarterly Institutional 13F Update (Q2 2026)

KOP ranks #2768 out of 37696 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

KOP is a top-conviction position for Simcoe Capital Management, LLC — at 11.6% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.

The largest dollar stake in KOP belongs to BlackRock, Inc., but the position matters far more to Simcoe Capital Management, LLC, who has 11.6% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.

GAMMA Investing LLC has added to its KOP position for two straight quarters, increasing it by $12.3K to reach $49.6K today.

State of Alaska, Department of Revenue has trimmed its KOP position for two straight quarters, cutting it by $239.0K while still holding $174.0K.

KOP is up 3% today, and institutions have been net buyers of $81.6M this quarter — today's price move and the underlying institutional flow are pointing the same direction.

KOP reported a net loss of $86.9M over the trailing twelve months.

• Not yet profitable — net loss of $86.9M over the trailing twelve months
• Revenue declined 5.0% year over year
• Net income declined year over year, from $15.1M to -$86.9M
• Generated $122.5M in positive operating cash flow
• Current ratio of 2.94x — enough short-term assets to cover short-term liabilities
• Liabilities run 2.29x equity — a highly leveraged balance sheet worth noting