Free · no sign-up · Q2 2026

Which funds own SAM

Boston Beer Inc in the Q2 2026 filings. At least 2 of the 91 current managers on file reported a position, worth $32m 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: 2; at least, of 91 current
Combined value: $32m; as reported
Opened: 0; new this quarter
Added to: 2; already held
Trimmed or sold out: 1; 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
Southeastern Asset Management Inc Activist · $1.9bn book	$26m	1.3%	146,043	-$1.4m+27,642	Added
Winton Group Ltd Quantitative · $3.1bn book	$5.8m	0.2%	33,018	-$1.7m+359	Added

Sold out of this quarter

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

Man Group PLC · Quantitative$18m held before

Ownership through time

At least 4 of the 95 managers whose filings are on file listed SAM in Q2 2026, against 3 in Q2 2013. 1 manager fewer than in Q1 2026: 1 started a position; 2 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

Caxton Associates LLP$2.3m

Largest increases, by shares

Southeastern Asset Management Inc118,401 to 146,043 shares+$4.9m
Caxton Associates LLPnew: 12,900 shares+$2.3m
Winton Group Ltd32,659 to 33,018 shares+$64k
GAMCO Investors Inc28,060 to 28,352 shares+$52k

Largest decreases, by shares

No manager on file sold part of it.

Left it

No manager on file is shown leaving it.

Manager	First listed	Largest	Q2 2026
Southeastern Asset Management Inc	Q1 2023	$41m	$26m
Winton Group Ltd	Q4 2016	$34m	$5.8m
GAMCO Investors Inc	Q2 2013	$26m	$5.0m
Caxton Associates LLP	Q2 2021	$2.3m	$2.3m
T. Rowe Price Associates Inc	Q4 2017	$1.6bn	last listed Q2 2022
Durable Capital Partners LP	Q2 2020	$727m	last listed Q1 2022
Fidelity (FMR LLC)	Q4 2014	$582m	last listed Q3 2023
Wellington Management Group LLP	Q1 2020	$445m	last listed Q2 2021
Renaissance Technologies LLC	Q2 2013	$408m	last listed Q3 2021
Invesco Ltd	Q3 2020	$282m	last listed Q1 2021
Artisan Partners LP	Q3 2020	$250m	last listed Q2 2021
Neuberger Berman Group LLC	Q2 2013	$180m	last listed Q3 2016
Tybourne Capital Management HK Ltd	Q1 2015	$156m	last listed Q4 2016
AQR Capital Management LLC	Q4 2017	$150m	last listed Q1 2026

What SAM 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 SAM →

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

One email a week on what moved in the market and what it means for the people interviewing into it, with the 13F changes the quarter they are filed.

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