Free · no sign-up · Q2 2026

Which funds own MLM

Martin Marietta Matls Inc in the Q2 2026 filings. At least 5 of the 91 current managers on file reported a position, worth $2.5bn 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: 5; at least, of 91 current
Combined value: $2.5bn; as reported
Opened: 2; new this quarter
Added to: 2; already held
Trimmed or sold out: 3; 2 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
T. Rowe Price Associates Inc Long-only · $999bn book	$922m	0.1%	1,599,324	+$46m+110,484	Added
TCI Fund Management Ltd Long/short equity · $52.8bn book	$758m	1.4%	1,315,109	opened1,315,109	New
Baillie Gifford & Co Long-only · $110bn book	$572m	0.5%	991,786	-$68m-95,594	Trimmed
D1 Capital Partners LP Long/short equity · $34.8bn book	$199m	0.6%	345,060	+$8.9m+22,203	Added
Freestone Grove Partners LP Multi-strategy · $15.6bn book	$72m	0.5%	124,262	opened124,262	New

Sold out of this quarter

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

Verition Fund Management LLC · Multi-strategy$5.1m held before
Man Group PLC · Quantitative$4.2m held before

Ownership through time

At least 9 of the 95 managers whose filings are on file listed MLM in Q2 2026, against 9 in Q2 2013. The same number as in Q1 2026: 3 started positions; 1 listed it again; 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

TCI Fund Management Ltdnew: 1,315,109 shares+$758m
Freestone Grove Partners LPnew: 124,262 shares+$72m
T. Rowe Price Associates Inc1,488,840 to 1,599,324 shares+$64m
D1 Capital Partners LP322,857 to 345,060 shares+$13m
Artisan Partners LPnew: 16,004 shares+$9.2m

Largest decreases, by shares

Fidelity (FMR LLC)2,607,979 to 2,192,603 shares-$240m
Baillie Gifford & Co1,087,380 to 991,786 shares-$55m
Invesco Ltd690,913 to 649,575 shares-$24m

Left it

No manager on file is shown leaving it.

Manager	First listed	Largest	Q2 2026
Fidelity (FMR LLC)	Q3 2015	$1.8bn	$1.3bn
T. Rowe Price Associates Inc	Q2 2013	$1.1bn	$922m
TCI Fund Management Ltd	Q2 2026	$758m	$758m
Baillie Gifford & Co	Q2 2013	$1.9bn	$572m
Invesco Ltd	Q1 2014	$479m	$375m
D1 Capital Partners LP	Q1 2026	$199m	$199m
Freestone Grove Partners LP	Q1 2025	$95m	$72m
ExodusPoint Capital Management LP	Q1 2020	$17m	$10m
Artisan Partners LP	Q2 2017	$178m	$9.2m
Egerton Capital UK LLP	Q2 2015	$494m	last listed Q1 2025
First Eagle Investment Management LLC	Q2 2013	$475m	last listed Q1 2022
MFS Investment Management	Q4 2022	$376m	last listed Q2 2024
Wellington Management Group LLP	Q4 2014	$223m	last listed Q1 2015
Citadel Advisors LLC	Q4 2016	$187m	last listed Q2 2017
Neuberger Berman Group LLC	Q3 2017	$184m	last listed Q3 2018
Maverick Capital Ltd	Q2 2014	$169m	last listed Q2 2020
Soroban Capital Partners LP	Q4 2018	$160m	last listed Q4 2018
Balyasny Asset Management LLC	Q1 2015	$157m	last listed Q4 2025
Two Sigma Investments LP	Q4 2013	$151m	last listed Q1 2026

What MLM 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 MLM →

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.

Comps ExplorerValue it against the peers it trades beside Every managerRead any of these books in full Deal tapeWhat buyers paid for whole companies, not slices Hedge fund interviewsHow the room runs, and the stock pitch it wants

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The holdings, every quarter, and the week between

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