The cluster is dominated by small asset managers with no activist or quant presence; the single large trim by Assenagon ($3.2M) accounts for most of the selling. Monitor next 13F for whether the buyers maintained or reversed their positions — if they reversed, the cluster signal is noise.
Executive Summary
Three small asset managers doubled or added SUNB positions in Q3, while three others trimmed or nearly exited, led by Assenagon's $3.2M reduction. The cluster shows mixed conviction with net selling of ~$2.7M, driven by one large trim, suggesting no strong shared thesis.
Key Financial Metrics
Institutional Positions
Net institutional flow: -$2.7M
▲ Buyers (3)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Wealth Enhancement Advisory Services | DOUBLED | +135% | $493.0K | $283.0K |
| Nisa Investment Advisors | DOUBLED | +2921.6% | $258.0K | $249.0K |
| Hb Wealth Management | ADD | +97.6% | $421.0K | $203.0K |
▼ Sellers (3)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Assenagon Asset Management | TRIM | -69.8% | $4.5M | -$3.2M |
| Assetmark | NEAR_EXIT | -87.4% | $283.0K | -$248.0K |
| Mather Group | TRIM | -60% | $7.0K | -$4.0K |
Key Facts
- 3 buyers accumulated $736K in new value (DOUBLED/ADD actions)
- 3 sellers reduced holdings by $3.4M, led by Assenagon Asset Management trimming $3.2M (69.8% reduction)
- Net aggregate change across all 6 institutions: -$2.7M (selling dominates by dollar value)
- All 6 institutions are asset managers — no activist, quant, or passive/index funds in the cluster
- 13F data is ~45 days stale; positions may have been unwound since quarter-end
Financial Impact
3 institutions accumulated $736K in new positions while 3 reduced holdings by $3.4M, for a net institutional outflow of ~$2.7M in SUNB during Q3
Risk Factors
- 13F data is stale (45-day lag); current positions may differ materially
- All participants are small asset managers — no high-conviction activist or insider signal
- Net selling by dollar value suggests no strong bullish consensus
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-SUNB-2026-Q3 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 27, 2026 today | SC 13G/A | $80.26 | awaiting T+20 | awaiting T+20 | No price |
Oct 27, 2026 today | 8-K | $80.69 | awaiting T+20 | awaiting T+20 | No price |
Oct 23, 2026 4d ago | 8-K/A | $79.40 | awaiting T+20 | awaiting T+20 | No price |
Oct 23, 2026 4d ago | Institutional Cluster | $78.52 | awaiting T+20 | awaiting T+20 | No price |
Sep 9, 2026 6w ago | 8-K | $73.42 $74.77 | ▲ +1.84% | ▼ −0.36% | No price |
Jul 31, 2026 12w ago | Court Ruling | $74.77 $71.99 | ▼ −3.72% | ▼ −4.95% | No price |
Jun 30, 2026 17w ago | 8-K | $72.94 $73.41 | ▲ +0.64% | ▲ +2.83% | No price |
Mar 12, 2026 32w ago | 8-K | $69.84 $68.16 | ▼ −2.41% | ▼ −4.38% | No price |
Mar 3, 2026 34w ago | 8-K | $73.10 $65.09 | ▼ −10.96% | ▼ −6.55% | No price |
US Market Status
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