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Which funds own AOS

Smith A O Corp in the Q2 2026 filings. At least 2 of the 91 current managers on file reported a position, worth $11m 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: $11m; as reported
Opened: 1; new this quarter
Added to: 1; already held
Trimmed or sold out: 0; 0 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
Quantbot Technologies LP Quantitative · $2.5bn book	$6.3m	0.3%	101,123	+$2.4m+41,726	Added
PDT Partners LLC Quantitative · $1.9bn book	$4.3m	0.2%	67,780	opened67,780	New

Ownership through time

At least 6 of the 95 managers whose filings are on file listed AOS in Q2 2026, against 6 in Q2 2013. 2 managers more than in Q1 2026: 2 started positions; 1 listed it again; 1 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

PDT Partners LLC$4.3m
Caxton Associates LLP$759k

Largest increases, by shares

Fidelity (FMR LLC)7,930,566 to 10,417,815 shares+$156m
PDT Partners LLCnew: 67,780 shares+$4.3m
Quantbot Technologies LP59,397 to 101,123 shares+$2.6m
Caxton Associates LLPnew: 12,105 shares+$759k

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
Fidelity (FMR LLC)	Q2 2014	$653m	$653m
Holocene Advisors LP	Q1 2019	$17m	$9.5m
Quantbot Technologies LP	Q2 2013	$6.3m	$6.3m
GAMCO Investors Inc	Q4 2013	$13m	$4.4m
PDT Partners LLC	Q2 2013	$4.3m	$4.3m
Caxton Associates LLP	Q1 2015	$3.1m	$759k
Janus Henderson Group Ltd	Q2 2017	$450m	last listed Q4 2018
Invesco Ltd	Q3 2013	$333m	last listed Q4 2025
AllianceBernstein LP	Q1 2016	$284m	last listed Q4 2019
T. Rowe Price Associates Inc	Q4 2013	$153m	last listed Q4 2014
AQR Capital Management LLC	Q3 2013	$143m	last listed Q3 2024
Millennium Management LLC	Q3 2015	$130m	last listed Q2 2025
Neuberger Berman Group LLC	Q2 2013	$119m	last listed Q1 2019
Artisan Partners LP	Q3 2016	$117m	last listed Q2 2018
Viking Global Investors LP	Q2 2019	$116m	last listed Q2 2019
Point72 Asset Management LP	Q3 2014	$111m	last listed Q1 2025

What AOS 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 AOS →

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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