The unanimous institutional buying in Q3 2025 — particularly the aggressive doubling by quant funds Two Sigma and RenTech — suggests a shared catalyst thesis (likely related to COMPASS's Phase 3 COMP360 psilocybin therapy program). However, the 45-day 13F lag means these positions may have been partially unwound. Monitor for upcoming clinical trial readouts or regulatory updates that could validate the thesis. The absence of any sellers is a strong bullish signal, but the passive/quant composition means the cluster may be less conviction-driven than an activist-led cluster.
Executive Summary
Six major institutional investors — including Morgan Stanley, UBS, Two Sigma, and RenTech — significantly increased their CMPS positions in Q3 2025, with aggregate holdings rising by $24.0M to $30.4M. No institutions reduced positions. The cluster is dominated by mega-passive and quant funds, suggesting a shared positive catalyst thesis rather than index rebalancing, though the 45-day 13F reporting lag means positions may have been adjusted since quarter-end.
Key Financial Metrics
Institutional Positions
Net institutional flow: $24.0M
▲ Buyers (6)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| State Street | DOUBLED | +231.9% | $459.0K | $391.0K |
| Morgan Stanley | DOUBLED | +287.6% | $5.9M | $5.2M |
| UBS | ADD | +27.7% | $12.3M | $7.6M |
| Two Sigma | DOUBLED | +838.4% | $6.2M | $5.8M |
| RenTech | DOUBLED | +347% | $5.5M | $4.9M |
| BofA | ADD | +65% | $175.0K | $123.0K |
Key Facts
- 6 institutional buyers with zero sellers in Q3 2025
- Aggregate institutional holdings increased by $24.0M to $30.4M
- Morgan Stanley doubled its position (+287.6%) to $5.9M
- Two Sigma increased holdings by +838.4% to $6.2M (largest dollar increase)
- RenTech doubled (+347.0%) to $5.5M
- UBS added +27.7% to $12.3M (largest absolute position)
- Cluster dominated by mega-passive (State Street, Morgan Stanley, UBS, BofA) and quant (Two Sigma, RenTech) funds
Financial Impact
6 institutions accumulated $24.0M in net new CMPS positions during Q3 2025, bringing total disclosed institutional holdings to $30.4M. No selling activity was recorded.
Risk Factors
- 13F data is 45+ days stale; positions may have been reduced since quarter-end
- Cluster dominated by passive/quant funds rather than fundamental active managers — signal may reflect systematic rebalancing rather than conviction
- Historical calibration shows negative average alpha (-2.04%) for this segment at T+20
- Prior CMPS report had -8.12% T+5 return, suggesting poor timing on prior cluster signals
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-CMPS-2025-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 10, 2026 7w ago | 144 | $13.18 $14.04 | ▲ +6.53% | ▲ +7.44% | — |
Aug 5, 2026 8w ago | 8-K | $13.58 $13.23 | ▼ −2.58% | ▼ −1.98% | — |
Jul 7, 2026 12w ago | 8-K | $12.99 $11.25 | ▼ −13.39% | ▼ −14.73% | — |
Jun 11, 2026 16w ago | Institutional Cluster | $11.41 $13.60 | ▲ +19.19% | ▲ +17.30% | — |
US Market Status
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