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AA · Alcoa Corp · Holdings

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Market Cap
$13.19B
Shares
263.91M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 721
Total Value: $11,792,948,989
Total Shares: 226,155,551
Showing 1–100 of 775 holdings by value · page 1 of 8

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 721 13F filers · Δ vs Mar 31, 2026
Top Holder
13.0%
Sep 2023 → Jun 2026 · range 10.1% – 13.3%
−0.1 pts
Top 5
36.7%
Sep 2023 → Jun 2026 · range 34.7% – 42.8%
+0.2 pts
Top 10
51.7%
Sep 2023 → Jun 2026 · range 48.2% – 55.9%
−1.4 pts
HHI
395
Sep 2023 → Jun 2026 · range 381 – 502
Broadly held−7

Quarterly Activity

vs Mar 31, 2026
New
101
Increased
259
Decreased
252
Sold Out
148
Unchanged
109
Holder count: -47
Institutional value: -18.5%
Shares held: +3.7%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 775
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1675149 CUSIP 013872106 13F (30d) 382 filings 379 filers Visit website Investor relations