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CSGP · 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.

CSGPMCO
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.
  • CSGP
  • MCO
010203040202120222023202420252026
Holders and value by quarter
QuarterCSGPMCO
Q3 202020 holders, $8.8bn30 holders, $17.0bn
Q4 202021 holders, $9.3bn21 holders, $16.9bn
Q1 202119 holders, $8.6bn17 holders, $16.9bn
Q2 202121 holders, $8.4bn16 holders, $20.2bn
Q3 202115 holders, $8.4bn25 holders, $19.9bn
Q4 202119 holders, $6.9bn25 holders, $22.0bn
Q1 202218 holders, $5.0bn22 holders, $19.1bn
Q2 202223 holders, $5.0bn19 holders, $15.4bn
Q3 202220 holders, $5.0bn21 holders, $13.6bn
Q4 202222 holders, $5.3bn17 holders, $15.5bn
Q1 202319 holders, $4.3bn20 holders, $17.3bn
Q2 202315 holders, $5.5bn25 holders, $19.4bn
Q3 202316 holders, $4.6bn21 holders, $17.2bn
Q4 202313 holders, $5.1bn21 holders, $22.3bn
Q1 202413 holders, $5.7bn22 holders, $21.9bn
Q2 202415 holders, $4.1bn24 holders, $23.6bn
Q3 202413 holders, $3.8bn31 holders, $26.8bn
Q4 202415 holders, $3.3bn31 holders, $25.7bn
Q1 202516 holders, $3.8bn30 holders, $25.2bn
Q2 202516 holders, $4.5bn30 holders, $26.8bn
Q3 202514 holders, $4.8bn31 holders, $26.0bn
Q4 202513 holders, $4.5bn32 holders, $27.7bn
Q1 202614 holders, $3.0bn28 holders, $23.9bn
Q2 202615 holders, $1.8bn31 holders, $24.9bn
CSGP

Costar Group Inc

Holders
15
Reported value
$1.8bn
Buyers
26
Sellers
12

Breadth +14 among 91 comparable managers.

Business and payment services
MCO

Moodys Corp

Holders
31
Reported value
$24.9bn
Buyers
21
Sellers
20

Breadth +1 among 91 comparable managers.

Business and payment servicesFinancial services · L3VLUP

Who holds both, Q2 2026

Among the 38 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only CSGP (7)

Caxton Associates LLP, ExodusPoint Capital Management LP, Janus Henderson Group Ltd, Man Group PLC, Marshall Wace LLP, Polen Capital Management LLC, Quantbot Technologies LP

Only MCO (23)

Arrowstreet Capital LP, Balyasny Asset Management LLC, Berkshire Hathaway Inc, Brevan Howard Capital Management LP, Bridgewater Associates LP, D. E. Shaw & Co., Dodge & Cox, Egerton Capital UK LLP, Fidelity (FMR LLC), Freestone Grove Partners LP, GAMCO Investors Inc, Harris Associates LP, Hudson Bay Capital Management LP, Invesco Ltd, Markel Group Inc, Moore Capital Management LP, Neuberger Berman Group LLC, Renaissance Technologies LLC, Schonfeld Strategic Advisors LLC, T. Rowe Price Associates Inc, TCI Fund Management Ltd, Verition Fund 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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