Pzena's drop below 5% removes a passive institutional holder from the 5%+ roster. Monitor for further selling by other large holders and watch the next 13F filing for the full extent of the reduction.
Price Chart
Executive Summary
Pzena Investment Management LLC filed an amended Schedule 13G disclosing a 4.9% passive stake in Koppers Holdings Inc. as of September 30, 2026, down from a prior filing that showed a higher position. The reduction below the 5% threshold signals the fund is trimming its exposure, which is a modest bearish signal for the stock.
Key Financial Metrics
Key Facts
- Pzena Investment Management LLC reported beneficial ownership of 926,505 shares of Koppers Holdings Inc. common stock.
- The stake represents 4.9% of shares outstanding, down from a prior filing where the position was above 5%.
- The filing is passive (Rule 13d-1(b)), with no activist intent.
- The fund has sole voting power over 757,368 shares and sole dispositive power over 926,505 shares.
Financial Impact
Pzena reduced its stake below the 5% reporting threshold; the exact prior stake percentage is not stated in this filing, but the decrease signals reduced conviction.
Risk Factors
- Further institutional selling pressure if other funds follow Pzena's lead.
- The reduction could signal concerns about Koppers' near-term fundamentals or valuation.
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13G/A Filing (Primary) | 0001027796-26-000056 |
| Document: 0001027796-26-000056-index.html | 0001027796-26-000056 |
| Document: 0001027796-26-000056.txt | 0001027796-26-000056 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 23, 2026 4d ago | Press Release | $40.18 | awaiting T+5 | — | $41.44 (+3.14%) |
Oct 22, 2026 4d ago | SC 13D/A | $40.18 | awaiting T+5 | — | $41.44 (−3.14%) |
Oct 19, 2026 8d ago | SC 13G/A | $42.91 $39.83 | ▲ +7.18% | ▲ +7.03% | $41.44 (+3.43%) |
Oct 8, 2026 19d ago | SC 13G/A | $44.24 $43.44 | ▼ −1.81% | ▼ −1.53% | $41.44 (−6.33%) |
Aug 20, 2026 9w ago | Insider Cluster | $45.19 $46.56 | ▲ +3.03% | ▲ +2.56% | $41.44 (−8.30%) |
Aug 13, 2026 10w ago | Insider Cluster | $47.14 $45.19 | ▼ −4.14% | ▼ −2.77% | $41.44 (−12.09%) |
Aug 12, 2026 10w ago | Insider Cluster | $46.22 $45.88 | ▼ −0.74% | ▲ +1.23% | $41.44 (−10.34%) |
Aug 11, 2026 11w ago | Insider Cluster | $45.34 $44.90 | ▲ +0.97% | ▲ +0.53% | $41.44 (+8.60%) |
May 11, 2026 24w ago | 8-K | $43.08 $40.39 | ▼ −6.24% | ▼ −6.16% | $41.44 (−3.81%) |
May 8, 2026 24w ago | 8-K | $43.99 $42.41 | ▲ +3.59% | ▲ +5.06% | $41.44 (+5.80%) |
US Market Status
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