The cluster is heavily skewed by a single new $44.7M position from Assenagon, which may reflect a thesis based on Q3 results and improved asset quality. The lack of insider buying and the small trims from two other funds suggest limited conviction from the broader institutional base. Monitor next quarter's 13F for follow-through or reversal of this position.
Executive Summary
An institutional cluster for Western Alliance Bancorporation shows mixed activity in Q3 2026: one new position of $44.7M by Assenagon Asset Management and two small adds, offset by two trims totaling $2.9M. The cluster follows the company's Q3 earnings release on October 19, which featured a 7.5% YoY EPS increase but a 2% miss vs consensus, and an improved asset quality outlook.
Key Financial Metrics
Institutional Positions
Net institutional flow: $44.7M
▲ Buyers (3)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Assenagon Asset Management | NEW | +0% | $44.7M | $44.7M |
| Mather Group | ADD | +36.4% | $15.0K | $3.0K |
| Hb Wealth Management | ADD | +35.2% | $850.0K | $27.0K |
▼ Sellers (2)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Temasek Holdings (Private) | TRIM | -67.3% | $1.2M | -$868.0K |
| Wealth Enhancement Advisory Services | TRIM | -25.6% | $6.3M | -$2.0M |
Key Facts
- Assenagon Asset Management opened a new $44.7M position in Q3 2026
- Temasek Holdings trimmed 67.3% of its position, reducing value from $1.2M to $370K
- Wealth Enhancement Advisory Services trimmed 25.6%, reducing value from $6.3M to $4.3M
- Net institutional buying was $44.7M from buyers vs $2.9M in selling, but the cluster is dominated by one large new position
- No insider open-market buying was detected in the 13F/Form 4 confluence analysis (score 24/100)
- Q3 2026 EPS of $2.45 beat YoY but missed consensus by 2.0%
Financial Impact
3 institutions accumulated $44.7M in net new positions while 2 institutions trimmed $2.9M
Risk Factors
- 13F data is 45+ days stale; positions may have been unwound since quarter-end
- Single large new position dominates the cluster, reducing signal reliability
- No insider buying corroboration weakens the conviction signal
- EPS miss vs consensus may weigh on near-term sentiment
Market Snapshot
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-WAL-2026-Q3 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 28, 2026 1d ago | Institutional Cluster | $75.96 | awaiting T+5 | awaiting T+5 | No price |
Oct 19, 2026 10d ago | 8-K | $75.30 $76.40 | ▲ +1.46% | ▲ +1.38% | No price |
Jun 11, 2026 20w ago | Institutional Cluster | $82.32 $78.43 | ▼ −4.73% | ▼ −5.16% | No price |
Jun 10, 2026 20w ago | Insider Cluster | $82.32 $78.43 | ▼ −4.73% | ▼ −5.16% | No price |
May 12, 2026 24w ago | 8-K | $23.85 $23.81 | ▼ −0.17% | ▼ −0.25% | No price |
Apr 30, 2026 26w ago | 8-K | $23.73 $23.78 | ▲ +0.21% | ▼ −1.52% | No price |
Apr 22, 2026 27w ago | DEFA14A | $23.40 $23.68 | ▲ +1.20% | ▼ −0.28% | No price |
Apr 21, 2026 27w ago | 8-K | $23.38 $23.68 | ▲ +1.28% | ▲ +1.23% | No price |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Create a free account Live analysis, Telegram alerts, watchlists and the MCP server for subscribers