Free · no sign-up · Q2 2026

Which funds own AAMI

Acadian Asset Management Inc in the Q2 2026 filings. At least 2 of the 91 current managers on file reported a position, worth $107m 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: $107m; as reported
Opened: 0; new this quarter
Added to: 1; already held
Trimmed or sold out: 2; 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
Woodline Partners LP Long/short equity · $32.4bn book	$63m	0.2%	883,540	+$25m+181,820	Added
Soros Fund Management LLC Macro · $8.1bn book	$44m	0.5%	610,248	+$8.3m-38,559	Trimmed

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$6.4m held before

Ownership through time

At least 3 of the 95 managers whose filings are on file listed AAMI in Q2 2026, against 5 in Q3 2019. The same number as in Q1 2026.

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

No manager on file started a position.

Largest increases, by shares

Woodline Partners LP701,720 to 883,540 shares+$13m
PDT Partners LLC13,697 to 36,197 shares+$1.6m

Largest decreases, by shares

Soros Fund Management LLC648,807 to 610,248 shares-$2.8m

Left it

No manager on file is shown leaving it.

Manager	First listed	Largest	Q2 2026
Woodline Partners LP	Q4 2025	$63m	$63m
Soros Fund Management LLC	Q1 2020	$44m	$44m
PDT Partners LLC	Q3 2019	$2.6m	$2.6m
Balyasny Asset Management LLC	Q2 2020	$48m	last listed Q1 2022
Arrowstreet Capital LP	Q3 2019	$46m	last listed Q1 2022
Schonfeld Strategic Advisors LLC	Q3 2019	$41m	last listed Q1 2023
Point72 Asset Management LP	Q3 2019	$27m	last listed Q3 2021
Two Sigma Advisers LP	Q2 2025	$15m	last listed Q4 2025
ExodusPoint Capital Management LP	Q4 2021	$12m	last listed Q1 2025
Maverick Capital Ltd	Q4 2019	$4.8m	last listed Q2 2025
Verition Fund Management LLC	Q2 2022	$4.1m	last listed Q2 2022
Winton Group Ltd	Q3 2021	$1.2m	last listed Q3 2025
Tudor Investment Corp	Q3 2019	$1.0m	last listed Q3 2019

What AAMI 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 AAMI →

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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