The cluster is dominated by passive rebalancing with no activist or high-conviction active managers. Likely no material impact on stock price. Monitor next quarter's 13F for any high-conviction additions.
Executive Summary
Three mega-passive index funds (Vanguard, BlackRock, State Street) added positions in TLSI during Q3 2025, while Morgan Stanley trimmed. Total net buying was ~$1.3M. All moves appear to be routine passive rebalancing, not active conviction.
Key Financial Metrics
Institutional Positions
Net institutional flow: $1.3M
▲ Buyers (3)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Vanguard | ADD | +42.4% | $5.4M | $954.0K |
| BlackRock | ADD | +26.7% | $3.7M | $275.0K |
| State Street | ADD | +66.6% | $896.0K | $266.0K |
▼ Sellers (1)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Morgan Stanley | TRIM | -68.1% | $307.0K | -$223.4K |
Key Facts
- Vanguard added 42.4% (now 1.16M shares, value $5.4M)
- BlackRock added 26.7% (now 787.9K shares, value $3.7M)
- State Street added 66.6% (now 192.6K shares, value $896K)
- Morgan Stanley trimmed 68.1% (now 18K shares, value $84K)
- All four funds are mega-passive index managers, weakening the signal
- 13F data is as of Sep 30, 2025, with 45-day reporting lag
Financial Impact
Net institutional buying of approximately $1.3M, with total disclosed holdings of ~$10M across 4 mega-passive funds
Risk Factors
- 13F data is stale (45-day lag); positions may have been unwound
- Index fund additions are not conviction-based 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-TLSI-2025-Q3 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Jun 11, 2026 19w ago | Institutional Cluster | $3.64 $5.00 | ▲ +37.36% | ▲ +32.97% | — |
Jun 11, 2026 19w ago | Institutional Cluster | $3.64 $5.00 | ▲ +37.36% | ▲ +32.97% | — |
Mar 11, 2026 32w ago | Insider Cluster | $4.16 $3.18 | ▼ −23.56% | ▼ −35.08% | — |
Mar 5, 2026 33w ago | 8-K | $4.47 $3.67 | ▼ −17.81% | ▼ −30.59% | — |
US Market Status
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