The cluster is mixed with heavy selling from one major holder (Capital International) offsetting broad buying. Monitor for a catalyst that could explain the divergence—such as sector rotation or company-specific news. The absence of insider buying weakens the conviction of the buying side.
Executive Summary
Institutional cluster for ATI shows a mixed picture: 67 buyers added $1.19B in new positions, while 39 sellers reduced holdings by $1.43B, resulting in a net negative of ~$238M. The largest sell-side move was Capital International Investors trimming $1.1B, offset by broad buying including Capital Group (+$481.5M) and Point72 (+$193.9M). The divergence between many active buyers and a few dominant sellers suggests institutional rotation rather than a clear directional thesis, especially with no insider buying to corroborate.
Key Financial Metrics
Institutional Positions
Net institutional flow: -$238.0M
▲ Buyers (67)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Capital Group | ADD | +70.6% | $896.0M | $481.5M |
| Point72 | DOUBLED | +154.2% | $281.1M | $193.9M |
| Morgan Stanley | ADD | +30% | $242.7M | $95.4M |
| BofA | ADD | +70.8% | $198.5M | $106.8M |
| Arrowstreet Capital, Limited Partnership | DOUBLED | +231.4% | $175.1M | $133.4M |
| Pnc Financial Services Group | DOUBLED | +1714% | $121.0M | $115.7M |
▼ Sellers (39)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Capital International Investors | TRIM | -65.6% | $2.0B | -$1.1B |
| Norges Bank | EXIT | -100% | $198.8M | -$198.8M |
| Dimensional Fund Advisors | TRIM | -35.7% | $244.0M | -$45.3M |
| Wellington Management Group | NEAR_EXIT | -79.9% | $43.3M | -$32.3M |
| Neuberger Berman Group | TRIM | -39.8% | $94.4M | -$22.4M |
Key Facts
- 67 institutional buyers (current holdings $1.99B, net change +$1.19B) vs 39 sellers (net change -$1.43B).
- Largest buyer: Capital Group added $481.5M (+70.6% shares).
- Largest seller: Capital International Investors trimmed $1.1B (-65.6% shares).
- Norges Bank exited entirely ($198.8M).
- Point72 doubled its position ($193.9M increase).
- No insider open-market buying (confluence score 25/100, divergent).
- Analyst consensus is 93% bullish, contrasting with the net institutional selling.
Financial Impact
Net institutional activity of approximately -$238M, with total buying $1.19B and total selling $1.43B.
Risk Factors
- The 45-day 13F reporting lag means positions may have already been unwound.
- Capital International's large trim could signal a negative thesis not yet public.
- The net selling outweighs buying, suggesting caution despite the number of buyers.
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-ATI-2026-Q1 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 10, 2026 22d ago | Insider Cluster | $199.00 $183.64 | ▼ −7.72% | ▼ −7.22% | — |
Sep 4, 2026 28d ago | Insider Cluster | $207.32 $186.69 | ▼ −9.95% | ▼ −8.83% | — |
Aug 26, 2026 5w ago | Insider Cluster | $212.86 $201.69 | ▼ −5.25% | ▼ −5.13% | — |
Aug 6, 2026 8w ago | 8-K | $223.43 $227.22 | ▲ +1.70% | ▲ +0.48% | — |
Aug 3, 2026 8w ago | Institutional Cluster | $193.12 $228.19 | ▲ +18.16% | ▲ +16.13% | — |
Jul 23, 2026 10w ago | Institutional Cluster | $199.84 $181.90 | ▼ −8.98% | ▼ −9.45% | — |
Jun 3, 2026 17w ago | 8-K | $181.10 $199.50 | ▲ +10.16% | ▲ +12.71% | — |
Jun 3, 2026 17w ago | 8-K | $179.94 $183.37 | ▲ +1.91% | ▲ +5.73% | — |
Apr 30, 2026 22w ago | 8-K | $155.46 $165.08 | ▲ +6.19% | ▲ +4.46% | — |
Mar 24, 2026 27w ago | DEFA14A | $149.59 $145.46 | ▼ −2.76% | ▼ −2.34% | — |
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