The heavy selling by D.E. Shaw and Macquarie, both sophisticated quant/systematic players, contrasts with aggressive accumulation by Citadel and active managers. This split suggests uncertainty around ARM's near-term monetization path. Monitor upcoming earnings for licensing revenue growth and any guidance changes that could resolve the divergence. The 13F data is 45+ days stale; check for any subsequent insider selling or 8-K filings that may have already moved the stock.
Executive Summary
A significant institutional cluster in ARM shows 38 buyers accumulating $82.9M net versus 17 sellers reducing by $420.3M, creating a net selling imbalance of -$337.4M. The buying is dominated by active managers and quant funds (Citadel doubling its position to $65.4M, Invesco adding $10.5M), while the selling is concentrated in mega-passive and quant funds (D.E. Shaw near-exiting a $274.8M position, Macquarie near-exiting $69.8M, Voloridge fully exiting $34.2M). This divergence suggests a rotation from large systematic/quant players into active managers, potentially reflecting a thesis shift around ARM's AI/CPU licensing model.
Key Financial Metrics
Institutional Positions
Net institutional flow: -$337.4M
▲ Buyers (38)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Citadel | DOUBLED | +1020.9% | $65.4M | $58.7M |
| Invesco | ADD | +35.4% | $67.4M | $10.5M |
| Nissay Asset Management Corp | DOUBLED | +488.5% | $7.5M | $6.1M |
| Mitsubishi Ufj Asset Managemen | DOUBLED | +130% | $6.9M | $3.5M |
▼ Sellers (17)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| D.E. Shaw | NEAR_EXIT | -77.9% | $340.7M | -$274.8M |
| Macquarie Group | NEAR_EXIT | -98.6% | $70.7M | -$69.8M |
| Voloridge Investment Managemen | EXIT | -100% | $34.2M | -$34.2M |
| Alliancebernstein | TRIM | -47.7% | $37.7M | -$20.4M |
Key Facts
- 38 institutional buyers added $82.9M net; 17 sellers reduced by $420.3M net
- Net selling imbalance of -$337.4M, driven by D.E. Shaw's $274.8M near-exit and Macquarie's $69.8M near-exit
- Citadel doubled its position (+1020.9% shares) to $65.4M, the largest buyer by dollar amount
- Invesco added $10.5M (+35.4% shares) to $67.4M, the largest passive buyer
- T. Rowe Price near-exited (-97.8% shares) a position worth $23K, and Voloridge fully exited $34.2M
- Active managers and quant funds dominate the buying side; mega-passive and quant funds dominate the selling side
Financial Impact
Net institutional selling of $337.4M in Q3 2024, with buyers adding $82.9M and sellers reducing $420.3M
Risk Factors
- D.E. Shaw's near-exit of a $274.8M position signals a major quant fund losing conviction
- Net selling imbalance of -$337.4M could indicate broader institutional de-risking ahead of a catalyst
- 13F data is stale (quarter-end); positions may have been unwound further since filing
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-ARM-2024-Q3 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 27, 2026 5w ago | 144 | $255.21 $321.31 | ▲ +25.90% | ▲ +26.00% | — |
Aug 10, 2026 7w ago | 6-K | $268.93 $264.23 | ▼ −1.75% | ▼ −0.69% | — |
Jun 12, 2026 16w ago | Institutional Cluster | $380.81 $323.39 | ▼ −15.08% | ▼ −16.86% | — |
Jun 4, 2026 17w ago | Insider Cluster | $342.93 $322.24 | ▼ −6.03% | ▼ −7.89% | — |
May 26, 2026 18w ago | Insider Cluster | $302.71 $347.71 | ▲ +14.87% | ▲ +16.77% | — |
May 26, 2026 18w ago | 20-F | $302.71 $347.71 | ▲ +14.87% | ▲ +16.77% | — |
May 22, 2026 18w ago | Insider Cluster | $321.22 $351.95 | ▲ +9.57% | ▲ +11.51% | — |
May 21, 2026 19w ago | Insider Cluster | $306.51 $377.90 | ▲ +23.29% | ▲ +24.71% | — |
May 20, 2026 19w ago | 144 | $256.73 $439.46 | ▲ +71.18% | ▲ +70.44% | — |
May 19, 2026 19w ago | Insider Cluster | $256.73 $439.46 | ▲ +71.18% | ▲ +70.44% | — |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Try SecBot Free Coming soon: SecBot Pro with alerts, watchlists, and API access