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RBA · 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.

RBAMCO
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.
  • RBA
  • MCO
010203040202120222023202420252026
Holders and value by quarter
QuarterRBAMCO
Q3 2020none listed holders, n.a.30 holders, $17.0bn
Q4 2020none listed holders, n.a.21 holders, $16.9bn
Q1 2021none listed holders, n.a.17 holders, $16.9bn
Q2 2021none listed holders, n.a.16 holders, $20.2bn
Q3 2021none listed holders, n.a.25 holders, $19.9bn
Q4 2021none listed holders, n.a.25 holders, $22.0bn
Q1 2022none listed holders, n.a.22 holders, $19.1bn
Q2 2022none listed holders, n.a.19 holders, $15.4bn
Q3 2022none listed holders, n.a.21 holders, $13.6bn
Q4 2022none listed holders, n.a.17 holders, $15.5bn
Q1 2023none listed holders, n.a.20 holders, $17.3bn
Q2 202311 holders, $978m25 holders, $19.4bn
Q3 20239 holders, $1.1bn21 holders, $17.2bn
Q4 202311 holders, $1.1bn21 holders, $22.3bn
Q1 20248 holders, $1.2bn22 holders, $21.9bn
Q2 20247 holders, $1.2bn24 holders, $23.6bn
Q3 20248 holders, $1.3bn31 holders, $26.8bn
Q4 20249 holders, $1.5bn31 holders, $25.7bn
Q1 202512 holders, $1.9bn30 holders, $25.2bn
Q2 202510 holders, $1.8bn30 holders, $26.8bn
Q3 202510 holders, $2.7bn31 holders, $26.0bn
Q4 20259 holders, $2.3bn32 holders, $27.7bn
Q1 20269 holders, $1.8bn28 holders, $23.9bn
Q2 20269 holders, $2.3bn31 holders, $24.9bn
RBA

RB Global Inc

Holders
10
Reported value
$1.8bn
Buyers
4
Sellers
5

Breadth -1 among 95 comparable managers.

Business and payment services
MCO

Moodys Corp

Holders
30
Reported value
$26.8bn
Buyers
14
Sellers
13

Breadth +1 among 95 comparable managers.

Business and payment servicesFinancial services · L3VLUP

Who holds both, Q2 2025

Among the 34 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only RBA (4)

Starboard Value LP, Third Point LLC, Wellington Management Group LLP, Winton Group Ltd

Only MCO (24)

Acadian Asset Management LLC, Akre Capital Management LLC, AllianceBernstein LP, Arrowstreet Capital LP, Baillie Gifford & Co, Berkshire Hathaway Inc, Caxton Associates LLP, Dodge & Cox, Eisler Capital Management Ltd, Fidelity (FMR LLC), Freestone Grove Partners LP, Harris Associates LP, Holocene Advisors LP, Hudson Bay Capital Management LP, Invesco Ltd, Man Group PLC, Markel Group Inc, Marshall Wace LLP, Maverick Capital Ltd, Neuberger Berman Group LLC, Quantbot Technologies LP, T. Rowe Price Associates Inc, TCI Fund Management Ltd, Voloridge Investment Management LLC

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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