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PAYX · MCO 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.

PAYXMCO
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.
  • PAYX
  • MCO
010203040202120222023202420252026
Holders and value by quarter
QuarterPAYXMCO
Q3 202011 holders, $605m30 holders, $17.0bn
Q4 202010 holders, $561m21 holders, $16.9bn
Q1 20217 holders, $515m17 holders, $16.9bn
Q2 20219 holders, $863m16 holders, $20.2bn
Q3 202118 holders, $1.2bn25 holders, $19.9bn
Q4 202117 holders, $1.4bn25 holders, $22.0bn
Q1 202215 holders, $1.4bn22 holders, $19.1bn
Q2 202218 holders, $1.4bn19 holders, $15.4bn
Q3 202225 holders, $1.4bn21 holders, $13.6bn
Q4 202220 holders, $1.4bn17 holders, $15.5bn
Q1 202321 holders, $1.9bn20 holders, $17.3bn
Q2 202323 holders, $1.9bn25 holders, $19.4bn
Q3 202319 holders, $1.6bn21 holders, $17.2bn
Q4 202317 holders, $1.6bn21 holders, $22.3bn
Q1 202415 holders, $1.1bn22 holders, $21.9bn
Q2 202410 holders, $1.2bn24 holders, $23.6bn
Q3 20249 holders, $1.3bn31 holders, $26.8bn
Q4 20249 holders, $1.4bn31 holders, $25.7bn
Q1 202510 holders, $1.5bn30 holders, $25.2bn
Q2 202514 holders, $1.6bn30 holders, $26.8bn
Q3 202519 holders, $1.5bn31 holders, $26.0bn
Q4 202512 holders, $2.1bn32 holders, $27.7bn
Q1 202614 holders, $2.0bn28 holders, $23.9bn
Q2 202610 holders, $1.9bn31 holders, $24.9bn
PAYX

Paychex Inc

Holders
10
Reported value
$1.5bn
Buyers
5
Sellers
3

Breadth +2 among 95 comparable managers.

Business and payment services
MCO

Moodys Corp

Holders
30
Reported value
$25.2bn
Buyers
15
Sellers
13

Breadth +2 among 95 comparable managers.

Business and payment servicesFinancial services · L3VLUP

Who holds both, Q1 2025

Among the 35 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only PAYX (5)

Capital Research Global Investors, Capital World Investors, Caxton Associates LLP, Element Capital Management LLC, Marshall Wace LLP

Only MCO (25)

Acadian Asset Management LLC, Akre Capital Management LLC, Arrowstreet Capital LP, Artisan Partners LP, Berkshire Hathaway Inc, Brevan Howard Capital Management LP, Bridgewater Associates LP, Dodge & Cox, Eisler Capital Management Ltd, Fidelity (FMR LLC), GAMCO Investors Inc, Harris Associates LP, Janus Henderson Group Ltd, Man Group PLC, Maverick Capital Ltd, MFS Investment Management, Millennium Management LLC, Renaissance Technologies LLC, Schonfeld Strategic Advisors LLC, T. Rowe Price Associates Inc, TCI Fund Management Ltd, Two Sigma Advisers LP, Two Sigma Investments LP, Voloridge Investment Management LLC, Woodline Partners LP

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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