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ACM · 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.

ACMMA
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.
  • ACM
  • MA
0204060202120222023202420252026
Holders and value by quarter
QuarterACMMA
Q3 202012 holders, $1.5bn45 holders, $56.1bn
Q4 202012 holders, $1.5bn52 holders, $57.9bn
Q1 20218 holders, $1.7bn50 holders, $56.4bn
Q2 20217 holders, $1.5bn50 holders, $54.9bn
Q3 20217 holders, $1.4bn50 holders, $48.9bn
Q4 20216 holders, $1.6bn42 holders, $49.3bn
Q1 20225 holders, $1.8bn38 holders, $50.1bn
Q2 20226 holders, $1.2bn48 holders, $45.4bn
Q3 20226 holders, $1.3bn53 holders, $40.8bn
Q4 20229 holders, $1.5bn37 holders, $65.6bn
Q1 20239 holders, $1.1bn45 holders, $50.3bn
Q2 20237 holders, $883m47 holders, $51.2bn
Q3 20236 holders, $739m52 holders, $49.7bn
Q4 202310 holders, $797m46 holders, $51.7bn
Q1 202414 holders, $894m48 holders, $58.0bn
Q2 202412 holders, $679m49 holders, $51.2bn
Q3 202413 holders, $1.0bn43 holders, $55.8bn
Q4 20249 holders, $701m43 holders, $58.3bn
Q1 202511 holders, $511m49 holders, $64.7bn
Q2 202511 holders, $986m50 holders, $68.3bn
Q3 202510 holders, $1.2bn44 holders, $68.1bn
Q4 202511 holders, $759m43 holders, $65.6bn
Q1 202612 holders, $279m46 holders, $57.4bn
Q2 202613 holders, $549m43 holders, $58.1bn
ACM

Aecom Technology Corp

Holders
13
Reported value
$549m
Buyers
21
Sellers
16

Breadth +5 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 48 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only ACM (5)

Bridgewater Associates LP, Caxton Associates LLP, PDT Partners LLC, Renaissance Technologies LLC, Squarepoint Ops LLC

Only MA (35)

Acadian Asset Management LLC, Akre Capital Management LLC, AllianceBernstein LP, AQR Capital Management LLC, 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, Davidson Kempner Capital Management LP, Egerton Capital UK LLP, Fidelity (FMR LLC), GAMCO Investors Inc, Harris Associates LP, Invesco Ltd, Janus Henderson Group Ltd, Man Group PLC, Markel Group Inc, Marshall Wace LLP, MFS Investment Management, Millennium Management LLC, Neuberger Berman Group LLC, Pershing Square Capital Management LP, and 10 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.

Back to the 13F Explorer →