The cluster shows a clear divergence: small advisors are accumulating while two large, sophisticated managers (Assenagon and a sovereign fund) are aggressively reducing. Monitor Q4 2026 13F filings to see if the selling accelerates or if the buyers' thesis gains traction. The 45-day reporting lag means these positions may already be stale.
Executive Summary
A mixed institutional cluster in Constellation Energy (CEG) for 2026-Q3: four asset managers added $20.5M in positions, while two larger sellers trimmed $101M, led by Assenagon's $88M reduction. The net selling pressure from the two large trims overwhelms the smaller accumulations, suggesting a cautious or profit-taking stance by major holders despite continued buying by smaller advisors.
Key Financial Metrics
Institutional Positions
Net institutional flow: -$80.5M
▲ Buyers (4)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Wealth Enhancement Advisory Services | ADD | +81% | $21.1M | $10.4M |
| Concurrent Investment Advisors | DOUBLED | +137.5% | $5.1M | $3.0M |
| Assetmark | ADD | +39.4% | $16.6M | $5.0M |
| Hb Wealth Management | ADD | +64.7% | $5.1M | $2.1M |
▼ Sellers (2)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Assenagon Asset Management | TRIM | -60% | $148.9M | -$88.0M |
| Fjarde Ap-Fonden /Fourth Swedish National | TRIM | -74.5% | $17.6M | -$13.0M |
Key Facts
- 4 buyers added $20.5M in aggregate, led by Wealth Enhancement Advisory Services (+$10.4M to $21.1M) and Assetmark (+$5.0M to $16.6M)
- 2 sellers trimmed $101M in aggregate, led by Assenagon Asset Management (-$88.0M, trimming 60% of its position to $60.9M)
- Fjarde Ap-Fonden / Fourth Swedish National trimmed 74.5% of its position, reducing by $13.0M to $4.6M
- Net institutional flow was -$80.5M (buyers +$20.5M vs sellers -$101.0M)
Financial Impact
Net institutional selling of approximately $80.5M in Q3 2026, with two large asset managers trimming a combined $101M while four smaller advisors added $20.5M
Risk Factors
- 13F data is 45+ days stale; the cluster may have already reversed
- Sellers' dollar magnitude ($101M) far exceeds buyers ($20.5M), suggesting informed capital is exiting
- All participants are asset managers, not activists or insiders — no special catalyst visibility
Investment Themes
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-CEG-2026-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 23, 2026 4d ago | Institutional Cluster | $253.45 $252.48 | ▲ +0.38% | ▲ +1.09% | No price |
Oct 20, 2026 8d ago | GOVT-CONTRACT | $270.74 $255.21 | ▼ −5.74% | ▼ −4.56% | No price |
Oct 15, 2026 12d ago | 144 | $271.37 $263.19 | ▼ −3.01% | ▼ −3.44% | No price |
Sep 17, 2026 5w ago | 144 | $254.71 $262.11 | ▲ +2.91% | ▲ +1.35% | No price |
Aug 21, 2026 9w ago | 144 | $273.43 $278.42 | ▲ +1.82% | ▲ +1.51% | No price |
Aug 13, 2026 10w ago | Insider Buy | $282.50 $278.20 | ▼ −1.52% | ▼ −1.05% | No price |
Aug 6, 2026 11w ago | 8-K | $261.10 $269.89 | ▲ +3.37% | ▲ +2.75% | No price |
Aug 5, 2026 11w ago | 8-K | $265.12 $261.10 | ▼ −1.52% | ▼ −1.36% | No price |
Jun 2, 2026 21w ago | 8-K | $267.24 $264.59 | ▼ −0.99% | ▼ −1.39% | No price |
Jun 2, 2026 21w ago | 424B4 | $272.65 $267.24 | ▲ +1.98% | ▲ +1.29% | No price |
US Market Status
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