The massive sell-off by Banque Pictet & Cie and Robeco—both active managers—suggests a fundamental thesis change or sector rotation out of building materials. Monitor upcoming 10-Q for revenue/earnings trends and any guidance revision that could explain the exodus.
Executive Summary
Institutional activity in Owens Corning during 2026-Q3 shows a stark divergence: three small asset managers added modest positions totaling ~$933K, while three larger institutions—including Banque Pictet & Cie and Robeco—cut holdings by a combined $85.9M, with Pictet nearly exiting its $81.2M position. The net $85M sell-off from major active managers far outweighs the buying, signaling a bearish institutional consensus despite the small buyers.
Key Financial Metrics
Institutional Positions
Net institutional flow: -$85.0M
▲ Buyers (3)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Wealth Enhancement Advisory Services | ADD | +25.9% | $7.7M | $487.0K |
| Td Waterhouse Canada | DOUBLED | +1400% | $88.0K | $80.0K |
| Hb Wealth Management | ADD | +85.3% | $1.7M | $366.0K |
▼ Sellers (3)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Assenagon Asset Management | TRIM | -25.2% | $6.3M | -$2.8M |
| Banque Pictet & Cie | NEAR_EXIT | -77.9% | $81.2M | -$68.1M |
| Robeco Institutional Asset Management B.v. | TRIM | -66.5% | $19.9M | -$15.0M |
Key Facts
- 3 buyers added $933K in aggregate, led by Wealth Enhancement Advisory Services (+$487K) and Hb Wealth Management (+$366K)
- 3 sellers reduced holdings by $85.9M, with Banque Pictet & Cie alone cutting $68.1M (77.9% of its position)
- Robeco trimmed 66.5% of its stake, removing $15.0M in value
- Assenagon Asset Management trimmed 25.2%, selling $2.8M
- Net institutional flow was -$85.0M, heavily skewed toward selling
Financial Impact
Three large institutional sellers exited a combined $85.9M in OC during Q3, while three small buyers added only $933K, resulting in a net $85.0M outflow from tracked institutions.
Risk Factors
- 13F data is 45+ days stale; the selling may have already been completed or reversed
- Small buyers are wealth management firms with minimal conviction signals relative to the large sellers
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-OC-2026-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 23, 2026 4d ago | Institutional Cluster | $114.23 | awaiting T+5 | awaiting T+5 | No price |
Aug 5, 2026 11w ago | 8-K | $152.47 $154.78 | ▲ +1.52% | ▲ +1.17% | No price |
May 6, 2026 24w ago | 8-K | $122.96 $119.83 | ▲ +2.55% | ▲ +3.68% | No price |
Apr 15, 2026 27w ago | 8-K | $117.63 $125.66 | ▼ −6.82% | ▼ −5.84% | No price |
Feb 25, 2026 34w ago | 8-K | $123.14 $116.80 | ▲ +5.15% | ▲ +4.05% | No price |
US Market Status
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