The cluster is dominated by mega-passive funds (JPMorgan, Fidelity, BofA, T. Rowe Price) whose moves likely reflect index rebalancing rather than a fundamental thesis. The active signal is mixed: Lone Pine and Egerton Capital initiated large new positions, but quant funds and Cantillon (a notable active seller) reduced aggressively. Monitor next 13F for whether the active buyers maintained or exited these positions.
Executive Summary
A large institutional cluster in AMAT shows 57 buyers accumulating $19.21B in net new positions versus 55 sellers reducing by $356.2M, dominated by mega-passive funds (JPMorgan, Fidelity, BofA, T. Rowe Price) and notable new active stakes from Lone Pine ($873.2M) and Egerton Capital ($376.7M). The selling side is concentrated among quant funds (D.E. Shaw, Point72, Millennium, Jane Street) trimming positions, while Cantillon nearly exited a $483.9M stake. The net buying is massive in dollar terms but heavily driven by passive/index rebalancing, reducing the signal's conviction.
Key Financial Metrics
Institutional Positions
Net institutional flow: $18.9B
▲ Buyers (57)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| JPMorgan | DOUBLED | +182% | $9.7B | $8.1B |
| Capital World Investors | ADD | +56.9% | $1.9B | $1.4B |
| Fidelity | ADD | +45% | $6.7B | $4.5B |
| BofA | ADD | +34.9% | $5.3B | $3.4B |
| T. Rowe Price | DOUBLED | +108.3% | $9.1M | $7.1M |
| Lone Pine | NEW | — | $873.2M | $873.2M |
| Susquehanna International Group | ADD | +51.9% | $447.9M | $308.5M |
| Wealth Enhancement Advisory Services | DOUBLED | +137.5% | $312.7M | $267.3M |
| Merit Financial Group | ADD | +61% | $45.7M | $32.3M |
| Egerton Capital (Uk) | NEW | — | $376.7M | $376.7M |
▼ Sellers (55)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Optiver Holding B.v. | EXIT | -100% | $29.4M | -$29.4M |
| Bridgewater | TRIM | -48% | $191.4M | $19.3M |
| D.E. Shaw | TRIM | -60.7% | $345.1M | -$58.1M |
| Point72 | TRIM | -65.1% | $586.9M | -$153.1M |
| Millennium | TRIM | -64.1% | $303.8M | -$72.9M |
| Jane Street Group | TRIM | -70.8% | $407.5M | -$155.5M |
| Rathbones Group | TRIM | -37.9% | $29.1M | $9.1M |
| Cantillon | NEAR_EXIT | -96.7% | $520.2M | -$483.9M |
| Pictet Asset Management Holding | TRIM | -25.6% | $957.9M | $548.2M |
| Jennison Associates | TRIM | -43.3% | $99.9M | $20.0M |
Key Facts
- 57 buyers accumulated $19.21B in net new positions; 55 sellers reduced by $356.2M
- JPMorgan doubled its stake to 13.89M shares worth $9.65B (Δ+$8.05B)
- Lone Pine initiated a new $873.2M position; Egerton Capital initiated a new $376.7M position
- Cantillon nearly exited a $483.9M position (96.7% reduction)
- Quant funds D.E. Shaw, Point72, Millennium, and Jane Street each trimmed 60-71% of their holdings
- 13F data is ~45 days stale; positions reflect quarter-end and may have been unwound
Financial Impact
57 buyers added $19.21B in net new positions; 55 sellers reduced by $356.2M; net institutional inflow of approximately $18.85B
Risk Factors
- 13F data is stale by ~45 days; positions may have been unwound since quarter-end
- Passive/index fund dominance weakens the cluster's directional signal
- Quant fund selling suggests systematic risk management or thesis deterioration
- Cantillon's near-exit of a $483.9M stake is a strong bearish signal from an active manager
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-AMAT-2026-Q2 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 26, 2026 today | 8-K | $388.04 | awaiting T+1 | — | — |
Oct 26, 2026 today | Press Release | $388.65 | awaiting T+1 | — | — |
Oct 22, 2026 4d ago | Institutional Cluster | $377.24 $387.59 | ▼ −2.74% | ▼ −2.03% | — |
Oct 22, 2026 4d ago | Press Release | $375.58 | awaiting T+1 | — | — |
Oct 12, 2026 14d ago | Institutional Cluster | $497.53 $464.24 | ▼ −6.69% | ▼ −6.68% | — |
Sep 29, 2026 27d ago | Press Release | $511.38 $529.30 | ▲ +3.50% | ▲ +3.33% | — |
Jun 17, 2026 18w ago | Insider Cluster | $617.11 $640.18 | ▲ +3.74% | ▲ +4.05% | — |
Jun 17, 2026 18w ago | Insider Cluster | $617.11 $640.18 | ▲ +3.74% | ▲ +4.05% | — |
Jun 17, 2026 18w ago | Insider Cluster | $617.11 $640.18 | ▲ +3.74% | ▲ +4.05% | — |
Jun 16, 2026 18w ago | Press Release | $568.23 $592.92 | ▲ +4.35% | ▲ +5.59% | — |
US Market Status
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