The cluster is dominated by passive rebalancing, not active conviction. BlackRock's large trim ($75.3M) outweighs the buying 10:1. Given CHYM's poor historical performance following prior reports, treat this as noise. Monitor for any active-manager 13F filings or insider buying before considering a position.
Executive Summary
Three mega-passive institutional investors (Vanguard, Fidelity, Morgan Stanley) collectively added $7.1M in CHYM during Q3 2025, while BlackRock trimmed $75.3M. The cluster is dominated by passive/index funds, weakening the signal's conviction. Historical calibration shows past reports on CHYM have a 0% win rate at T+20 with an average -22.55% return, suggesting the stock has been a poor performer regardless of the signal.
Key Financial Metrics
Institutional Positions
Net institutional flow: -$68.2M
▲ Buyers (3)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Vanguard | DOUBLED | +160.4% | $15.8M | $5.4M |
| Fidelity | ADD | +73.9% | $3.4M | $54.0K |
| Morgan Stanley | DOUBLED | +147.4% | $5.4M | $1.7M |
▼ Sellers (1)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| BlackRock | TRIM | -35.6% | $120.7M | -$75.3M |
Key Facts
- 3 buyers added $7.1M in aggregate; 1 seller reduced by $75.3M
- All four institutions are mega-passive (Vanguard, Fidelity, Morgan Stanley, BlackRock)
- BlackRock's trim (-35.6% of shares) was 10x larger in dollar terms than total buying
- Historical reports on CHYM show 0% win rate at T+20 with avg -22.55% return
Financial Impact
Net institutional selling of $68.2M (buyers added $7.1M, seller reduced $75.3M)
Risk Factors
- All four institutions are passive/index funds — signal is likely rebalancing, not conviction
- BlackRock's $75M trim is 10x larger than total buying, suggesting net institutional distribution
- Historical reports on CHYM have 0% win rate at T+20 with severe negative returns
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-CHYM-2025-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 16, 2026 16d ago | Insider Cluster | $31.25 $26.46 | ▼ −15.33% | ▼ −17.89% | — |
Sep 15, 2026 17d ago | Insider Cluster | $33.61 $30.33 | ▲ +9.76% | ▲ +10.58% | — |
Sep 15, 2026 17d ago | Insider Cluster | $33.61 $28.62 | ▲ +14.85% | ▲ +16.97% | — |
Sep 15, 2026 17d ago | Insider Cluster | $33.61 $28.62 | ▲ +14.85% | ▲ +16.97% | — |
Sep 14, 2026 18d ago | Insider Cluster | $33.61 $28.62 | ▲ +14.85% | ▲ +16.97% | — |
Sep 11, 2026 21d ago | Insider Cluster | $33.00 $30.33 | ▼ −8.09% | ▼ −7.87% | — |
Sep 10, 2026 22d ago | Insider Cluster | $33.00 $30.33 | ▼ −8.09% | ▼ −7.87% | — |
Sep 10, 2026 22d ago | 144 | $33.00 $30.33 | ▲ +8.09% | ▲ +7.87% | — |
Sep 9, 2026 23d ago | Insider Cluster | $32.67 $30.72 | ▲ +5.97% | ▲ +5.47% | — |
Sep 3, 2026 29d ago | Insider Cluster | $33.76 $33.97 | ▲ +0.62% | ▲ +1.83% | — |
US Market Status
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