The heavy selling by two large asset managers (Assenagon and Ninety One UK) represents a significant reduction in institutional exposure, while the buying is from much smaller funds. This imbalance suggests caution; traders should monitor for further institutional distribution and watch for any negative catalysts in the aluminum sector or Alcoa's upcoming earnings.
Executive Summary
A mixed institutional cluster in Alcoa (AA) for Q2 2026 shows four smaller asset managers adding or doubling positions totaling $2.3M in net buying, while two large holders—Assenagon Asset Management and Ninety One UK—nearly exited their entire stakes, selling a combined $53.4M. The divergence between small accumulators and major sellers suggests a lack of consensus, with the heavy selling by large funds likely outweighing the smaller buying activity in signaling caution.
Key Financial Metrics
Institutional Positions
Net institutional flow: -$50.3M
▲ Buyers (4)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Erste Asset Management | DOUBLED | +142.4% | $2.3M | $1.2M |
| Op Asset Management | DOUBLED | +692.4% | $1.2M | $1.0M |
| Sequoia Financial Advisors | ADD | +43.2% | $467.0K | $52.0K |
| Gateway Investment Advisers | ADD | +28.6% | $1.5M | $16.0K |
▼ Sellers (2)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Assenagon Asset Management | NEAR_EXIT | -90.9% | $32.8M | -$30.4M |
| Ninety One Uk | NEAR_EXIT | -100% | $23.0M | -$23.0M |
Key Facts
- 4 buyers added $2.3M in net new positions, led by Erste Asset Management (doubled to $2.3M) and Op Asset Management (doubled to $1.2M).
- 2 sellers reduced holdings by $53.4M: Assenagon Asset Management near-exited a $32.8M position, and Ninety One UK near-exited a $23.0M position.
- Net aggregate institutional flow was negative: $53.4M in selling vs $2.3M in buying.
- No insider open-market buying was detected, and the 13F × Form 4 confluence score is low (10/100, divergent).
Financial Impact
Two large institutional sellers liquidated $53.4M in AA shares, while four smaller buyers accumulated $2.3M, resulting in a net outflow of approximately $51.1M.
Risk Factors
- Large institutional exits may signal fundamental concerns not yet public.
- The 45-day 13F reporting lag means these positions may have already been adjusted further.
- No insider buying to corroborate the bullish thesis from the small 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-AA-2026-Q2 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 11, 2026 21d ago | 425 | $48.26 $44.43 | ▼ −7.94% | ▼ −7.72% | — |
Sep 11, 2026 21d ago | 8-K | $48.26 $44.43 | ▼ −7.94% | ▼ −7.72% | — |
Sep 9, 2026 23d ago | 425 / 8-K | $50.73 $46.26 | ▼ −8.81% | ▼ −8.15% | — |
Sep 9, 2026 23d ago | 8-K | $50.73 $46.26 | ▼ −8.81% | ▼ −8.15% | — |
Sep 9, 2026 23d ago | EFFECT | $50.73 $46.26 | ▼ −8.81% | ▼ −8.15% | — |
Sep 1, 2026 4w ago | S-4 | $50.89 $50.73 | ▼ −0.31% | ▼ −0.39% | — |
Sep 1, 2026 4w ago | Insider Cluster | $50.89 $50.73 | ▼ −0.31% | ▼ −0.39% | — |
Jul 29, 2026 9w ago | Institutional Cluster | $42.88 $47.60 | ▼ −11.00% | ▼ −5.47% | — |
Jul 17, 2026 11w ago | 425 | $43.48 $44.24 | ▲ +1.75% | ▲ +2.17% | — |
Jul 1, 2026 13w ago | 425 | $47.48 $49.01 | ▲ +3.22% | ▲ +2.96% | — |
US Market Status
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