Alcoa Corporation
CH ˙ SWX ˙ US0138721065
SecurityCH:AA / Alcoa Corporation
InstitutionVGI Partners Ltd
Latest Disclosed Ownership356,330 shares
Latest Disclosed Value $ 23,635,369
VGI Partners Ltd reports 567.41% increase in ownership of AA / Alcoa Corporation

On May 15, 2026 - VGI Partners Ltd filed a 13F-HR form disclosing ownership of 356,330 shares of Alcoa Corporation (CH:AA) valued at $23,635,369 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 18, 2026 disclosing 53,390 shares of Alcoa Corporation. This represents a change in shares of 567.41% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F Alcoa COM 013872106 356,330 302,940 567.41 23,635 733.10 0.6867
2026-02-18 2025-12-31 13F Alcoa COM 013872106 53,390 -398,550 -88.19 2,837 -80.91 0.1636
2025-11-13 2025-09-30 13F Alcoa COM 013872106 451,940 29,612 7.01 14,864 19.27 1.0634
2025-08-05 2025-06-30 13F Alcoa COM 013872106 422,328 99,472 30.81 12,463 26.56 1.0532
2025-05-13 2025-03-31 13F ALCOA COM 013872106 322,856 116,146 56.19 9,847 26.10 1.0085
2025-02-14 2024-12-31 13F ALCOA COM 013872106 206,710 -149,623 -41.99 7,810 -43.19 0.7907
2024-11-06 2024-09-30 13F ALCOA COM 013872106 356,333 350,237 5,745.36 13,747 5,580.58 1.2150
2024-08-02 2024-06-30 13F ALCOA COM 013872106 6,096 6,096 242 0.0251
2024-05-15 2023-12-31 13F/A-1 ALCOA COM 013872106 0 -126,644 -100.00 0 -100.00
2024-02-09 2023-12-31 13F ALCOA COM 013872106 0 -126,644 0
2023-11-14 2023-09-30 13F ALCOA COM 013872106 126,644 126,644 3,680 0.8214
2023-08-15 2023-06-30 13F ALCOA COM 013872106 0 -205,643 -100.00 0 -100.00
2023-05-15 2023-03-31 13F ALCOA COM 013872106 205,643 179,872 697.96 8,752 647.40 1.7065
2023-08-16 2022-12-31 13F/A-1 ALCOA COM 013872106 25,771 25,771 1,172 0.2738
2023-02-15 2022-12-31 13F ALCOA COM 013872106 25,771 25,771 1,172 0.2719
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.