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STN · MA in the 13F filings

Two to four stocks side by side among the 95 tracked managers: who lists them, how that has moved, who bought and sold in a quarter, and which managers hold more than one.

STNMA
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023

Holders over time

Tracked managers listing each stock every quarter, at least, or their combined reported value. A gap is a quarter in which no tracked manager listed it. Click a quarter to compare there.
  • STN
  • MA
0204060202120222023202420252026
Holders and value by quarter
QuarterSTNMA
Q3 20202 holders, $68m45 holders, $56.1bn
Q4 20202 holders, $13m52 holders, $57.9bn
Q1 20211 holders, $1.5m50 holders, $56.4bn
Q2 2021none listed holders, n.a.50 holders, $54.9bn
Q3 20212 holders, $43m50 holders, $48.9bn
Q4 20212 holders, $64m42 holders, $49.3bn
Q1 20222 holders, $47m38 holders, $50.1bn
Q2 20221 holders, $16m48 holders, $45.4bn
Q3 20221 holders, $14m53 holders, $40.8bn
Q4 2022none listed holders, n.a.37 holders, $65.6bn
Q1 2023none listed holders, n.a.45 holders, $50.3bn
Q2 2023none listed holders, n.a.47 holders, $51.2bn
Q3 2023none listed holders, n.a.52 holders, $49.7bn
Q4 20232 holders, $32m46 holders, $51.7bn
Q1 20242 holders, $38m48 holders, $58.0bn
Q2 20244 holders, $164m49 holders, $51.2bn
Q3 20244 holders, $187m43 holders, $55.8bn
Q4 20246 holders, $253m43 holders, $58.3bn
Q1 20259 holders, $335m49 holders, $64.7bn
Q2 20257 holders, $574m50 holders, $68.3bn
Q3 20257 holders, $601m44 holders, $68.1bn
Q4 20258 holders, $660m43 holders, $65.6bn
Q1 20268 holders, $635m46 holders, $57.4bn
Q2 20266 holders, $504m43 holders, $58.1bn
STN

Stantec Inc

Holders
6
Reported value
$504m
Buyers
15
Sellers
12

Breadth +3 among 91 comparable managers.

Business and payment services
MA

Mastercard Incorporated

Holders
43
Reported value
$58.1bn
Buyers
24
Sellers
29

Breadth -5 among 91 comparable managers.

Business and payment servicesFinancial services · L3VLUP

Who holds both, Q2 2026

Among the 44 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only STN (1)

PDT Partners LLC

Only MA (38)

Akre Capital Management LLC, AQR Capital Management LLC, Arrowstreet Capital LP, Artisan Partners LP, Baillie Gifford & Co, Balyasny Asset Management LLC, Brevan Howard Capital Management LP, Capital Research Global Investors, Capital World Investors, Citadel Advisors LLC, D. E. Shaw & Co., Davidson Kempner Capital Management LP, Egerton Capital UK LLP, Fidelity (FMR LLC), Freestone Grove Partners LP, GAMCO Investors Inc, Harris Associates LP, Holocene Advisors LP, Invesco Ltd, Markel Group Inc, Marshall Wace LLP, MFS Investment Management, Millennium Management LLC, Neuberger Berman Group LLC, Pershing Square Capital Management LP, and 13 more

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. Buyers and sellers count comparable managers (those that filed both quarters) by shares, so a rise in value with no rise in shares is the price. Large books are listed to their largest positions. These are 95 tracked managers, not the institutional market.

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