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CH ˙ SWX ˙ US57636Q1040
SecurityCH:MA / Mastercard Incorporated
InstitutionJanus Henderson Group Plc
Latest Disclosed Ownership4,568,710 shares
Latest Disclosed Value $ 2,272,686,247
Janus Henderson Group Plc reports 13.16% decrease in ownership of MA / Mastercard Incorporated

On May 18, 2026 - Janus Henderson Group Plc filed a 13F-HR/A form disclosing ownership of 4,568,710 shares of Mastercard Incorporated (CH:MA) valued at $2,272,686,247 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 5,260,969 shares of Mastercard Incorporated. This represents a change in shares of -13.16% 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)
2026-05-18 2026-03-31 13F/A-1 MASTERCARD CL A 57636Q104 4,568,710 -692,259 -13.16 2,272,686 -23.87 0.3831
2026-05-15 2026-03-31 13F MASTERCARD CL A 57636Q104 4,568,710 -692,259 -13.16 2,272,686 -23.87 0.4216
2026-02-17 2025-12-31 13F MASTERCARD CL A 57636Q104 5,260,969 -997,057 -15.93 2,985,314 -16.13 1.3369
2025-11-14 2025-09-30 13F MASTERCARD CL A 57636Q104 6,258,026 25,346 0.41 3,559,489 1.64 1.6250
2025-08-14 2025-06-30 13F MASTERCARD CL A 57636Q104 6,232,680 -557,240 -8.21 3,502,195 -4.60 1.7166
2025-05-15 2025-03-31 13F MASTERCARD CL A 57636Q104 6,789,920 -67,730 -0.99 3,671,110 1.65 2.0123
2025-02-14 2024-12-31 13F MASTERCARD CL A 57636Q104 6,857,650 -337,185 -4.69 3,611,437 1.65 1.8356
2024-11-14 2024-09-30 13F MASTERCARD CL A 57636Q104 7,194,835 -345,195 -4.58 3,552,723 6.81 1.8184
2024-08-14 2024-06-30 13F MASTERCARD CL A 57636Q104 7,540,030 -62,074 -0.82 3,326,259 -9.13 1.7812
2024-05-15 2024-03-31 13F MASTERCARD CL A 57636Q104 7,602,104 -127,540 -1.65 3,660,509 11.03 1.9967
2024-02-14 2023-12-31 13F MASTERCARD CL A 57636Q104 7,729,644 -389,057 -4.79 3,296,826 2.56 1.9664
2023-11-14 2023-09-30 13F MASTERCARD CL A 57636Q104 8,118,701 -86,246 -1.05 3,214,395 -0.38 2.1050
2023-08-14 2023-06-30 13F MASTERCARD CL A 57636Q104 8,204,947 -645,321 -7.29 3,226,743 0.33 2.0068
2023-05-15 2023-03-31 13F MASTERCARD CL A 57636Q104 8,850,268 -363,817 -3.95 3,216,209 0.38 2.1206
2023-02-14 2022-12-31 13F MASTERCARD CL A 57636Q104 9,214,085 -665,673 -6.74 3,204,086 14.03 2.2888
2023-01-13 2022-09-30 13F/A-1 MASTERCARD CL A 57636Q104 9,879,758 -270,158 -2.66 2,809,881 -12.25 2.1053
2022-11-14 2022-09-30 13F MASTERCARD CL A 57636Q104 9,879,758 -270,158 2,809,881 0.7139
2022-08-15 2022-06-30 13F MASTERCARD CL A 57636Q104 10,149,916 -624,242 -5.79 3,202,136 -16.84 2.2079
2022-05-16 2022-03-31 13F MASTERCARD CL A 57636Q104 10,774,158 166,754 1.57 3,850,618 1.03 1.8593
2022-02-14 2021-12-31 13F MASTERCARD CL A 57636Q104 10,607,404 -1,178,779 -10.00 3,811,472 -6.99 1.5898
2021-11-16 2021-09-30 13F MASTERCARD CL A 57636Q104 11,786,183 -436,052 -3.57 4,097,739 -8.17 1.7921
2021-08-16 2021-06-30 13F MASTERCARD CL A 57636Q104 12,222,235 211,397 1.76 4,462,163 4.34 1.9099
2021-05-17 2021-03-31 13F MASTERCARD CL A 57636Q104 12,010,838 794,240 7.08 4,276,688 6.83 1.9525
2021-02-16 2020-12-31 13F MASTERCARD CL A 57636Q104 11,216,598 101,468 0.91 4,003,395 6.51 1.8600
2020-11-16 2020-09-30 13F MASTERCARD CL A 57636Q104 11,115,130 -86,436 -0.77 3,758,648 13.48 1.9596
2020-08-14 2020-06-30 13F MASTERCARD CL A 57636Q104 11,201,566 -53,240 -0.47 3,312,150 21.81 1.8592
2020-05-14 2020-03-31 13F MASTERCARD CL A 57636Q104 11,254,806 -722,093 -6.03 2,719,111 -23.96 1.8714
2020-02-18 2019-12-31 13F MASTERCARD CL A 57636Q104 11,976,899 -1,080,078 -8.27 3,575,924 0.86 1.8308
2019-11-14 2019-09-30 13F MASTERCARD CL A 57636Q104 13,056,977 -1,571,862 -10.74 3,545,561 -8.38 1.9206
2019-07-31 2019-06-30 13F MASTERCARD CL A 57636Q104 14,628,839 -449,355 -2.98 3,869,685 9.00 2.1073
2019-04-30 2019-03-31 13F MASTERCARD CL A 57636Q104 15,078,194 -489,106 -3.14 3,550,033 20.88 1.9676
2019-02-06 2018-12-31 13F MASTERCARD CL A 57636Q104 15,567,300 225,238 1.47 2,936,763 -14.01 1.8729
2018-11-09 2018-09-30 13F MASTERCARD CL A 57636Q104 15,342,062 -240,885 -1.55 3,415,269 11.52 1.8250
2018-08-10 2018-06-30 13F MASTERCARD CL A 57636Q104 15,582,947 -590,866 -3.65 3,062,453 8.10 1.7457
2018-05-14 2018-03-31 13F MASTERCARD CL A 57636Q104 16,173,813 491,405 3.13 2,833,059 19.31 1.6695
2018-03-12 2017-12-31 13F/A-1 MASTERCARD CL A 57636Q104 15,682,408 -548,028 -3.38 2,374,582 3.62 1.4622
2018-02-09 2017-12-31 13F MASTERCARD CL A 57636Q104 15,682,408 -548,028 2,374,582
2017-11-14 2017-09-30 13F MASTERCARD CL A 57636Q104 16,230,436 -639,793 -3.79 2,291,670 11.85 1.4687
2017-08-17 2017-06-30 13F/A-1 MASTERCARD CL A 57636Q104 16,870,229 14,962,583 784.35 2,048,899 854.83 1.3964
2017-08-14 2017-06-30 13F MASTERCARD CL A 57636Q104 16,870,229 14,962,583 2,048,899
2017-05-03 2017-03-31 13F MASTERCARD CL A 57636Q104 1,907,646 60,929 3.30 214,582 12.50 1.5065
2017-01-30 2016-12-31 13F MASTERCARD CL A 57636Q104 1,846,717 31,847 1.75 190,747 3.33 1.4068
2016-10-24 2016-09-30 13F MASTERCARD CL A 57636Q104 1,814,870 171,194 10.42 184,600 27.48 1.3605
2016-07-29 2016-06-30 13F MASTERCARD CL A 57636Q104 1,643,676 734 0.04 144,808 -6.70 1.2041
2016-05-12 2016-03-31 13F MASTERCARD CL A 57636Q104 1,642,942 -184,796 -10.11 155,209 -12.85 1.2590
2016-02-03 2015-12-31 13F MASTERCARD CL A 57636Q104 1,827,738 19,676 1.09 178,086 9.34 1.4290
2015-11-16 2015-09-30 13F MASTERCARD CL A 57636Q104 1,808,062 -104,704 -5.47 162,879 -8.90 1.4347
2015-08-17 2015-06-30 13F MASTERCARD CL A 57636Q104 1,912,766 -86,612 -4.33 178,796 3.47 1.4050
2015-06-02 2015-03-31 13F/A-1 MASTERCARD CL A 57636Q104 1,999,378 -38,174 -1.87 172,806 -1.59 1.3331
2015-05-15 2015-03-31 13F MASTERCARD CL A 57636Q104 1,999,378 172,806
2015-02-12 2014-12-31 13F MASTERCARD CL A 57636Q104 2,037,552 86,946 4.46 175,606 21.68 1.2662
2014-11-12 2014-09-30 13F MASTERCARD CL A 57636Q104 1,950,606 30,224 1.57 144,316 2.29 1.3575
2014-08-13 2014-06-30 13F MASTERCARD CL A 57636Q104 1,920,382 5,366 0.28 141,081 -1.38 1.3174
2014-05-08 2014-03-31 13F MASTERCARD CL A 57636Q104 1,915,016 1,730,233 936.36 143,061 -7.33 1.3927
2014-01-14 2013-12-31 13F MASTERCARD CL A 57636Q104 184,783 -2,961 -1.58 154,375 22.12 1.5597
2013-11-12 2013-09-30 13F MASTERCARD CL A 57636Q104 187,744 -59,228 -23.98 126,413 -12.13 1.3945
2013-08-15 2013-06-30 13F MASTERCARD CL A 57636Q104 246,972 246,972 143,862 1.6818
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.