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NSP · 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.

NSPMCO
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.
  • NSP
  • MCO
010203040202120222023202420252026
Holders and value by quarter
QuarterNSPMCO
Q3 20206 holders, $60m30 holders, $17.0bn
Q4 20207 holders, $67m21 holders, $16.9bn
Q1 20212 holders, $44m17 holders, $16.9bn
Q2 20213 holders, $64m16 holders, $20.2bn
Q3 20213 holders, $74m25 holders, $19.9bn
Q4 20216 holders, $188m25 holders, $22.0bn
Q1 20227 holders, $177m22 holders, $19.1bn
Q2 20228 holders, $190m19 holders, $15.4bn
Q3 20227 holders, $197m21 holders, $13.6bn
Q4 20227 holders, $218m17 holders, $15.5bn
Q1 20239 holders, $228m20 holders, $17.3bn
Q2 20237 holders, $183m25 holders, $19.4bn
Q3 20236 holders, $99m21 holders, $17.2bn
Q4 20237 holders, $159m21 holders, $22.3bn
Q1 202411 holders, $166m22 holders, $21.9bn
Q2 20246 holders, $105m24 holders, $23.6bn
Q3 20246 holders, $124m31 holders, $26.8bn
Q4 20248 holders, $74m31 holders, $25.7bn
Q1 20254 holders, $19m30 holders, $25.2bn
Q2 20256 holders, $36m30 holders, $26.8bn
Q3 20255 holders, $30m31 holders, $26.0bn
Q4 20255 holders, $41m32 holders, $27.7bn
Q1 20262 holders, $9.7m28 holders, $23.9bn
Q2 20262 holders, $15m31 holders, $24.9bn
NSP

Insperity Inc

Holders
8
Reported value
$74m
Buyers
7
Sellers
3

Breadth +4 among 94 comparable managers.

Business and payment services
MCO

Moodys Corp

Holders
31
Reported value
$25.7bn
Buyers
11
Sellers
16

Breadth -5 among 94 comparable managers.

Business and payment servicesFinancial services · L3VLUP

Who holds both, Q4 2024

Among the 37 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only NSP (6)

ExodusPoint Capital Management LP, Holocene Advisors LP, PDT Partners LLC, Point72 Asset Management LP, Voloridge Investment Management LLC, Winton Group Ltd

Only MCO (29)

Acadian Asset Management LLC, Akre Capital Management LLC, AllianceBernstein LP, Arrowstreet Capital LP, Artisan Partners LP, Baillie Gifford & Co, Balyasny Asset Management LLC, Berkshire Hathaway Inc, Brevan Howard Capital Management LP, Bridgewater Associates LP, Citadel Advisors LLC, Dodge & Cox, Fidelity (FMR LLC), Freestone Grove Partners LP, GAMCO Investors Inc, Harris Associates LP, Hudson Bay Capital Management LP, Invesco Ltd, Janus Henderson Group Ltd, Marshall Wace LLP, Maverick Capital Ltd, MFS Investment Management, Moore Capital Management LP, Neuberger Berman Group LLC, Quantbot Technologies LP, and 4 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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