Mastercard Incorporated
IT ˙ BIT ˙ US57636Q1040
420,60 € ↑4,20 (1,01%)
2026-06-05
DEL PRIS
SecurityIT:1MA / Mastercard Incorporated
InstitutionCallahan Advisors, LLC
Latest Disclosed Ownership37,878 shares
Latest Disclosed Value $ 18,925,995
Callahan Advisors, LLC reports 12.97% increase in ownership of 1MA / Mastercard Incorporated

On May 12, 2026 - Callahan Advisors, LLC filed a 13F-HR form disclosing ownership of 37,878 shares of Mastercard Incorporated (IT:1MA) valued at $16,293,222 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 6, 2026 disclosing 33,529 shares of Mastercard Incorporated. This represents a change in shares of 12.97% during the quarter. The current value of the position is $15,931,487 USD.

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)
2026-05-12 2026-03-31 13F Mastercard COM 57636Q104 37,878 4,349 12.97 18,926 -1.13 1.5796
2026-02-06 2025-12-31 13F Mastercard CL A 57636Q104 33,529 2,552 8.24 19,141 8.64 1.5732
2025-10-31 2025-09-30 13F Mastercard CL A 57636Q104 30,977 2,469 8.66 17,620 9.99 1.4965
2025-07-28 2025-06-30 13F Mastercard CL A 57636Q104 28,508 2,201 8.37 16,020 11.10 1.4397
2025-05-01 2025-03-31 13F Mastercard CL A 57636Q104 26,307 1,030 4.07 14,419 8.34 1.3742
2025-01-31 2024-12-31 13F Mastercard CL A 57636Q104 25,277 449 1.81 13,310 8.56 1.2527
2024-10-30 2024-09-30 13F Mastercard CL A 57636Q104 24,828 1,321 5.62 12,260 18.23 1.1945
2024-07-29 2024-06-30 13F Mastercard COM 57636Q104 23,507 1,692 7.76 10,370 -1.29 1.0783
2024-04-24 2024-03-31 13F Mastercard COM 57636Q104 21,815 3,674 20.25 10,505 35.78 1.1018
2024-01-24 2023-12-31 13F Mastercard COM 57636Q104 18,141 5,869 47.82 7,738 59.26 0.8976
2023-10-23 2023-09-30 13F Mastercard COM 57636Q104 12,272 12,272 4,859 0.6103
2023-07-31 2023-06-30 13F Mastercard COM 57636Q104 0 -613 -100.00 0 -100.00
2023-04-28 2023-03-31 13F Mastercard COM 57636Q104 613 -50 -7.54 223 -3.48 0.0288
2023-02-03 2022-12-31 13F Mastercard COM 57636Q104 663 -45 -6.36 231 14.43 0.0315
2022-11-14 2022-09-30 13F/A-1 Mastercard COM 57636Q104 708 0 0.00 201 -9.87 0.0289
2022-10-27 2022-09-30 13F Mastercard COM 57636Q104 708 0 201 0.0289
2022-07-29 2022-06-30 13F Mastercard COM 57636Q104 708 -63 -8.17 223 -19.20 0.0297
2022-04-27 2022-03-31 13F Mastercard COM 57636Q104 771 50 6.93 276 6.56 0.0315
2022-02-08 2021-12-31 13F Mastercard COM 57636Q104 721 0 0.00 259 3.19 0.0291
2021-11-03 2021-09-30 13F Mastercard COM 57636Q104 721 -1,225 -62.95 251 -64.65 0.0316
2021-08-11 2021-06-30 13F Mastercard COM 57636Q104 1,946 1,946 710 0.0901
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.