Mastercard Incorporated
MX ˙ BMV ˙ US57636Q1040
SecurityMX:MA / Mastercard Incorporated
InstitutionOxbow Advisors, LLC
Latest Disclosed Ownership24,850 shares
Latest Disclosed Value $ 12,416,649
Oxbow Advisors, LLC reports 1.10% increase in ownership of MA / Mastercard Incorporated

On April 27, 2026 - Oxbow Advisors, LLC filed a 13F-HR form disclosing ownership of 24,850 shares of Mastercard Incorporated (MX:MA) valued at $12,416,649 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 4, 2026 disclosing 24,580 shares of Mastercard Incorporated. This represents a change in shares of 1.10% 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)
2026-04-27 2026-03-31 13F MASTERCARD CL A 57636Q104 24,850 270 1.10 12,417 -11.52 1.0554
2026-02-04 2025-12-31 13F MASTERCARD CL A 57636Q104 24,580 170 0.70 14,032 1.07 1.2345
2025-10-31 2025-09-30 13F MASTERCARD CL A 57636Q104 24,410 505 2.11 13,885 3.36 1.2896
2025-07-29 2025-06-30 13F MASTERCARD CL A 57636Q104 23,905 382 1.62 13,433 4.19 1.4682
2025-05-01 2025-03-31 13F MASTERCARD CL A 57636Q104 23,523 -7,746 -24.77 12,893 -21.69 1.3620
2025-02-03 2024-12-31 13F MASTERCARD CL A 57636Q104 31,269 3,721 13.51 16,465 21.04 1.9379
2024-11-01 2024-09-30 13F MASTERCARD CL A 57636Q104 27,548 185 0.68 13,603 12.69 1.3495
2024-08-06 2024-06-30 13F MASTERCARD CL A 57636Q104 27,363 -128 -0.47 12,072 -8.82 1.4163
2024-05-06 2024-03-31 13F MASTERCARD CL A 57636Q104 27,491 -53 -0.19 13,239 12.69 1.8173
2024-02-08 2023-12-31 13F MASTERCARD CL A 57636Q104 27,544 -698 -2.47 11,748 5.06 1.7826
2023-11-14 2023-09-30 13F MASTERCARD CL A 57636Q104 28,242 -69 -0.24 11,181 0.42 1.7601
2023-08-04 2023-06-30 13F MASTERCARD CL A 57636Q104 28,311 -9 -0.03 11,135 8.19 1.7491
2023-04-26 2023-03-31 13F MASTERCARD CL A 57636Q104 28,320 75 0.27 10,292 4.79 1.8403
2023-02-01 2022-12-31 13F MASTERCARD CL A 57636Q104 28,245 -1,292 -4.37 9,822 16.94 1.8511
2022-11-03 2022-09-30 13F Mastercard COM 57636Q104 29,537 414 1.42 8,398 -8.60 1.3189
2022-08-10 2022-06-30 13F Mastercard COM 57636Q104 29,123 -31,624 -52.06 9,188 -57.68 1.3045
2022-05-09 2022-03-31 13F Mastercard COM 57636Q104 60,747 514 0.85 21,710 0.31 2.1821
2022-02-09 2021-12-31 13F Mastercard COM 57636Q104 60,233 921 1.55 21,643 4.95 2.0720
2021-11-10 2021-09-30 13F Mastercard COM 57636Q104 59,312 10,117 20.57 20,622 14.82 2.0971
2021-08-04 2021-06-30 13F Mastercard COM 57636Q104 49,195 217 0.44 17,961 2.99 1.8673
2021-05-11 2021-03-31 13F Mastercard COM 57636Q104 48,978 655 1.36 17,439 1.11 2.1232
2021-02-02 2020-12-31 13F Mastercard COM 57636Q104 48,323 3,997 9.02 17,248 15.06 2.2081
2020-11-06 2020-09-30 13F Mastercard COM 57636Q104 44,326 -320 -0.72 14,990 13.54 1.9014
2020-08-12 2020-06-30 13F Mastercard COM 57636Q104 44,646 2,915 6.99 13,202 30.96 1.9219
2020-05-06 2020-03-31 13F Mastercard COM 57636Q104 41,731 40,961 5,319.61 10,081 4,283.04 1.6952
2020-02-06 2019-12-31 13F Mastercard COM 57636Q104 770 770 230 0.0266
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.