Free · no sign-up · Q2 2026

Which funds own MCO

Moodys Corp in the Q2 2026 filings. At least 14 of the 91 current managers on file reported a position, worth $23.2bn between them. It is among the largest positions of fewer than a fifth of the current managers on file. Buying and selling roughly cancelled this quarter, which is what a name looks like when the argument is still live.

Managers holding: 14; at least, of 91 current
Combined value: $23.2bn; as reported
Opened: 2; new this quarter
Added to: 3; already held
Trimmed or sold out: 6; 1 sold out entirely

Only each manager’s largest 200 positions are listed here, so a smaller holder may be missing.

Managers reporting a position

Largest first. Weight is the share of that manager’s whole reported book, which is the number worth quoting: $400m is a rounding error in one book and a defining bet in another.

Manager	Value	Weight	Shares	Change on the quarter	Action
Berkshire Hathaway Inc Long-only · $299bn book	$11.2bn	3.7%	24,669,778	+$411m0	Held
TCI Fund Management Ltd Long/short equity · $52.8bn book	$6.5bn	12%	14,334,027	+$239m0	Held
Fidelity (FMR LLC) Long-only · $2304bn book	$2.3bn	0.1%	4,985,040	+$82m-1,712	Trimmed
Egerton Capital UK LLP Long/short equity · $10.4bn book	$772m	7.5%	1,704,229	+$98m+158,559	Added
MFS Investment Management Long-only · $315bn book	$566m	0.2%	1,186,385	-$40m-141,627	Trimmed
Akre Capital Management LLC Long-only · $5.1bn book	$524m	10%	1,156,893	-$20m-89,221	Trimmed
AQR Capital Management LLC Quantitative · $287bn book	$471m	0.2%	1,045,155	+$274m+594,065	Added
Baillie Gifford & Co Long-only · $110bn book	$325m	0.3%	717,871	-$8.3m-46,395	Trimmed
Neuberger Berman Group LLC Long-only · $150bn book	$307m	0.2%	677,875	+$10m-3,052	Trimmed
Markel Group Inc Activist · $13.1bn book	$97m	0.7%	213,890	+$3.6m0	Held
Holocene Advisors LP Long/short equity · $44.4bn book	$94m	0.2%	208,079	+$68m+147,155	Added
Freestone Grove Partners LP Multi-strategy · $15.6bn book	$71m	0.5%	157,074	opened157,074	New
Moore Capital Management LP Macro · $6.7bn book	$6.2m	0.1%	13,747	opened13,747	New
Harris Associates LP Activist · $75.4bn book	$900k	0.0%	1,905	unchanged0	Held

Sold out of this quarter

Valued at what the position was worth in the previous filing, because by this one it is gone.

Caxton Associates LLP · Macro$5.4m held before

Ownership through time

At least 31 of the 95 managers whose filings are on file listed MCO in Q2 2026, against 18 in Q2 2013. 3 managers more than in Q1 2026: 4 started positions; 4 listed it again; 1 sold out, by its own filing; 4 no longer listed it among the positions read, which can mean a holding below the listed range or a filing not yet made.

Each manager’s largest 500 positions a quarter are read, so a small holding in a very large book can be missing, and a manager is counted as leaving only where its own filing shows it.

Managers on file listing it

Their combined reported value

Between the quarter ends of Q1 2026 and Q2 2026. Each change in shares is valued at the Q2 2026 price, so the price’s own move is left out; a 13F shows the two quarter ends, not when in between anything was bought or sold.

Started in Q2 2026

Largest increases, by shares

AQR Capital Management LLC451,090 to 1,045,155 shares+$268m
Invesco Ltd1,029,091 to 1,201,752 shares+$78m
Egerton Capital UK LLP1,545,670 to 1,704,229 shares+$72m
Freestone Grove Partners LPnew: 157,074 shares+$71m
Holocene Advisors LP60,924 to 208,079 shares+$67m

Largest decreases, by shares

T. Rowe Price Associates Inc1,830,758 to 1,545,468 shares-$129m
Voloridge Investment Management LLC297,370 to 41,602 shares-$116m
MFS Investment Management1,328,012 to 1,186,385 shares-$68m
Akre Capital Management LLC1,246,114 to 1,156,893 shares-$40m
Arrowstreet Capital LP238,234 to 151,129 shares-$39m

Left it

Caxton Associates LLPwas $5.4m

Manager	First listed	Largest	Q2 2026
Berkshire Hathaway Inc	Q2 2013	$12.6bn	$11.2bn
TCI Fund Management Ltd	Q2 2015	$6.8bn	$6.5bn
Fidelity (FMR LLC)	Q1 2015	$3.1bn	$2.3bn
Egerton Capital UK LLP	Q3 2013	$772m	$772m
T. Rowe Price Associates Inc	Q1 2023	$877m	$700m
MFS Investment Management	Q2 2013	$985m	$566m
Invesco Ltd	Q2 2014	$583m	$544m
Akre Capital Management LLC	Q2 2013	$2.2bn	$524m
AQR Capital Management LLC	Q1 2014	$471m	$471m
Baillie Gifford & Co	Q2 2013	$2.1bn	$325m
Neuberger Berman Group LLC	Q2 2013	$484m	$307m
D. E. Shaw & Co.	Q1 2014	$209m	$167m
Markel Group Inc	Q2 2013	$109m	$97m
Holocene Advisors LP	Q1 2018	$135m	$94m
Freestone Grove Partners LP	Q4 2024	$71m	$71m
Capital World Investors	Q2 2013	$1.4bn	last listed Q4 2023
Viking Global Investors LP	Q2 2013	$512m	last listed Q1 2021
AllianceBernstein LP	Q2 2014	$461m	last listed Q1 2026
Citadel Advisors LLC	Q3 2020	$420m	last listed Q3 2025
Janus Henderson Group Ltd	Q2 2013	$345m	last listed Q4 2025
Acadian Asset Management LLC	Q3 2017	$328m	last listed Q1 2026
Marshall Wace LLP	Q4 2014	$220m	last listed Q1 2026
Wellington Management Group LLP	Q2 2014	$173m	last listed Q3 2017
Millennium Management LLC	Q2 2013	$166m	last listed Q1 2025
Point72 Asset Management LP	Q1 2015	$164m	last listed Q4 2025

What MCO is worth

Knowing who owns it is half the question. The other half is what it is worth against the companies it trades beside, which is the one an interviewer will follow up with.

Build the comp set around MCO →

How much of the picture this is

A Form 13F reports US-listed long equity and nothing else: no shorts, no bonds, no cash and no non-US listings. It arrives forty-five days after the quarter ends, so a manager who sold in July still shows the position in a filing published in August. This page reads the managers on file here rather than every filer in the market, and each manager’s largest positions rather than the whole table, so a small position in a very large book may not appear. Say “their last filing showed” rather than “they own”, and the distinction will do you credit.

What to do with a name the funds are buying

Knowing who owns something is the start of a pitch, not the pitch. The next questions are what it is worth and why they were buying.

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