The cluster is dominated by a single massive position from Assenagon Asset Management, which now holds $479.1M — this is a concentrated bet that could unwind quickly. Monitor upcoming 13F filings for any reversal or confirmation of this conviction. No insider buying confluence is present, so the signal is purely institutional.
Executive Summary
An institutional cluster for Humana shows a strong bullish conviction with 4 buyers accumulating $480.8M in net new positions, dominated by Assenagon Asset Management's massive $476.6M increase (a 20,000%+ position doubling). One seller trimmed a modest $2.1M. The aggregate net buying of $478.7M suggests a shared thesis around Humana's valuation or sector positioning, though the 45-day reporting lag means the cluster may have already been unwound.
Key Financial Metrics
Institutional Positions
Net institutional flow: $478.7M
▲ Buyers (4)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Assenagon Asset Management | DOUBLED | +20126.8% | $479.1M | $476.6M |
| Concurrent Investment Advisors | DOUBLED | +420.3% | $2.5M | $2.0M |
| Nisa Investment Advisors | ADD | +27.5% | $12.0M | $2.2M |
| Mather Group | ADD | +58.3% | $201.0K | $69.0K |
▼ Sellers (1)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Assetmark | TRIM | -30% | $6.4M | -$2.1M |
Key Facts
- 4 institutions accumulated $493.7M in current holdings, net change of +$480.8M
- 1 institution trimmed $2.1M, net selling of -$2.1M
- Assenagon Asset Management doubled its position from $2.5M to $479.1M (+$476.6M)
- Concurrent Investment Advisors doubled from $492K to $2.5M (+$2.0M)
- Mather Group added 58.3% from $132K to $201K (+$69K)
- Nisa Investment Advisors added 27.5% from $9.8M to $12.0M (+$2.2M)
- Assetmark trimmed 30.0% from $6.4M to $4.3M (-$2.1M)
- All 4 buyers are active asset managers, not passive/index funds — signal strength is elevated
Financial Impact
4 institutions accumulated $480.8M in net new positions while 1 reduced holdings by $2.1M, for a net institutional inflow of approximately $478.7M
Risk Factors
- 13F data is 45+ days stale; the cluster may have already been partially or fully unwound
- Assenagon's position is 97% of the total buying value — if it reverses, the entire bullish signal collapses
- No insider buying corroborates the institutional thesis
- Managed care sector faces regulatory and medical cost headwinds that could change the thesis
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-HUM-2026-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 21, 2026 6d ago | Institutional Cluster | $420.97 $422.07 | ▲ +0.26% | ▲ +0.78% | No price |
Oct 13, 2026 14d ago | 8-K | $420.38 $427.40 | ▲ +1.67% | ▲ +2.75% | No price |
Oct 9, 2026 18d ago | 8-K | $431.87 $433.50 | ▲ +0.38% | ▲ +0.44% | No price |
Sep 22, 2026 5w ago | Court Ruling | $374.78 $380.32 | ▲ +1.48% | ▲ +1.56% | No price |
Sep 1, 2026 8w ago | 8-K | $394.45 $400.83 | ▲ +1.62% | ▲ +1.17% | No price |
Aug 17, 2026 10w ago | Institutional Cluster | $382.00 $378.02 | ▼ −1.04% | ▼ −1.25% | No price |
Aug 13, 2026 10w ago | Court Ruling | $389.05 $384.31 | ▼ −1.22% | ▼ −0.75% | No price |
Jul 29, 2026 12w ago | 8-K | $365.41 $366.66 | ▲ +0.34% | ▼ −1.33% | No price |
Jun 1, 2026 21w ago | 8-K | $328.31 $320.57 | ▼ −2.36% | ▼ −2.50% | No price |
Apr 10, 2026 28w ago | 8-K | $197.53 $195.77 | ▼ −0.89% | ▼ −2.10% | 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