Alcoa Corporation
CH ˙ SWX ˙ US0138721065
SecurityCH:AA / Alcoa Corporation
InstitutionBanco Santander, S.A.
Latest Disclosed Ownership163,616 shares
Latest Disclosed Value $ 10,852,650
Banco Santander, S.A. ownership in AA / Alcoa Corporation

On May 8, 2026 - Banco Santander, S.A. filed a 13F-HR form disclosing ownership of 163,616 shares of Alcoa Corporation (CH:AA) valued at $10,852,650 USD as of March 31, 2026. The entity filed a previous 13F-HR on May 10, 2024 disclosing 0 shares of Alcoa Corporation.

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)
2026-05-08 2026-03-31 13F ALCOA COM 013872106 163,616 163,616 10,853 0.0513
2024-05-10 2024-03-31 13F ALCOA COM 013872106 0 -7,780 -100.00 0 -100.00
2024-02-09 2023-12-31 13F ALCOA COM 013872106 7,780 -46,199 -85.59 265 -83.16 0.0031
2023-11-08 2023-09-30 13F ALCOA COM 013872106 53,979 8,952 19.88 1,569 2.69 0.0222
2023-08-14 2023-06-30 13F ALCOA COM 013872106 45,027 0 0.00 1,528 -20.30 0.0200
2023-05-10 2023-03-31 13F ALCOA COM 013872106 45,027 0 0.00 1,916 -6.40 0.0287
2023-02-13 2022-12-31 13F ALCOA COM 013872106 45,027 -35,330 -43.97 2,047 -24.33 0.0307
2022-11-08 2022-09-30 13F ALCOA COM 013872106 80,357 0 0.00 2,705 -26.15 0.0361
2022-07-28 2022-06-30 13F ALCOA COM 013872106 80,357 2,220 2.84 3,663 -47.93 0.0488
2022-05-09 2022-03-31 13F ALCOA COM 013872106 78,137 -56,265 -41.86 7,035 -12.15 0.0755
2022-02-09 2021-12-31 13F ALCOA COM 013872106 134,402 5,073 3.92 8,008 26.53 0.0432
2021-11-08 2021-09-30 13F ALCOA COM 013872106 129,329 0 0.00 6,329 32.85 0.0340
2021-07-29 2021-06-30 13F ALCOA COM 013872106 129,329 0 0.00 4,764 13.37 0.0266
2021-05-10 2021-03-31 13F ALCOA COM 013872106 129,329 0 0.00 4,202 40.96 0.0296
2021-02-12 2020-12-31 13F ALCOA COM 013872106 129,329 -200,506 -60.79 2,981 -22.29 0.0214
2020-11-09 2020-09-30 13F ALCOA COM 013872106 329,835 0 0.00 3,836 3.48 0.0504
2020-08-05 2020-06-30 13F ALCOA COM 013872106 329,835 192,223 139.68 3,707 337.15 0.0481
2020-05-11 2020-03-31 13F ALCOA COM 013872106 137,612 -18,512 -11.86 848 -74.75 0.0097
2020-02-07 2019-12-31 13F ALCOA COM 013872106 156,124 137,612 743.37 3,358 802.69 0.0310
2019-11-06 2019-09-30 13F ALCOA COM 013872106 18,512 7,272 64.70 372 41.44 0.0036
2019-08-07 2019-06-30 13F ALCOA COM 013872106 11,240 11,240 263 0.0027
2018-11-13 2018-09-30 13F ALCOA COM 013872106 0 -4,851 -100.00 0 -100.00
2018-08-14 2018-06-30 13F ALCOA COM 013872106 4,851 -551 -10.20 227 -6.58 0.0026
2018-05-14 2018-03-31 13F ALCOA COM 013872106 5,402 5,402 243 0.0028
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.