The cluster is dominated by passive rebalancing with no active fund conviction — treat as noise. Monitor next 13F cycle for any active manager entries or exits that could signal a genuine thesis shift. The 67% win rate on prior ONTO reports at T+20 suggests the stock has been trending favorably, but this filing alone does not provide a catalyst.
Executive Summary
A mixed institutional cluster in ONTO during 2025-Q3 shows three mega-passive buyers (Morgan Stanley, Schwab, T. Rowe Price) adding $85.7M in new holdings, while three other mega-passive sellers (Fidelity, BofA, Wells Fargo) trimmed $74.9M. The net direction is nearly balanced, with all participants being passive/index managers, suggesting index rebalancing or portfolio drift rather than a shared active thesis. The cluster carries limited directional signal for traders.
Key Financial Metrics
Institutional Positions
Net institutional flow: $10.8M
▲ Buyers (3)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Morgan Stanley | ADD | +74.9% | $102.1M | $56.5M |
| Schwab | ADD | +41.7% | $64.9M | $29.1M |
| T. Rowe Price | ADD | +49.5% | $100.0K | $48.0K |
▼ Sellers (3)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| BofA | NEAR_EXIT | -75.7% | $56.4M | -$38.8M |
| Fidelity | TRIM | -40.4% | $140.7M | -$33.4M |
| Wells Fargo | TRIM | -48.2% | $8.0M | -$2.7M |
Key Facts
- 3 buyers added $85.7M in aggregate current holdings (Morgan Stanley +$56.5M, Schwab +$29.1M, T. Rowe Price +$48K)
- 3 sellers trimmed $74.9M in aggregate (BofA near-exit -$38.8M, Fidelity -$33.4M, Wells Fargo -$2.7M)
- All six institutions are mega-passive managers (index funds, asset managers), not active hedge funds or activists
- Net directional imbalance is only ~$10.8M favoring buyers, negligible relative to ONTO's $13.4B market cap
- No activist or high-conviction active fund participation detected
Financial Impact
Net institutional activity of ~$10.8M in buying vs $74.9M in selling, representing less than 0.1% of ONTO's $13.4B market cap
Risk Factors
- 13F data is 45+ days stale; positions may have been unwound since quarter-end
- Passive fund flows reflect index composition changes, not fundamental views on ONTO
- BofA's near-exit (-75.7%) could indicate a broader risk-off posture that may continue
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-ONTO-2025-Q3 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 10, 2026 7w ago | 8-K | $291.35 $281.11 | ▼ −3.51% | ▼ −2.60% | — |
Jun 13, 2026 15w ago | Institutional Cluster | $335.96 $304.21 | ▼ −9.45% | ▼ −8.70% | — |
Jun 11, 2026 16w ago | Institutional Cluster | $303.53 $317.02 | ▲ +4.44% | ▲ +2.55% | — |
May 18, 2026 19w ago | 8-K | $254.53 $316.15 | ▲ +24.21% | ▲ +22.63% | — |
Apr 16, 2026 24w ago | 8-K | $267.15 $276.97 | ▲ +3.68% | ▼ −2.14% | — |
US Market Status
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