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Which funds own ATR

Aptargroup Inc in the Q2 2026 filings. At least 1 of the 91 current managers on file reported a position, worth $194m 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: 1; at least, of 91 current
Combined value: $194m; as reported
Opened: 0; new this quarter
Added to: 1; already held
Trimmed or sold out: 2; 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
Neuberger Berman Group LLC Long-only · $150bn book	$194m	0.1%	1,548,824	+$46m+374,287	Added

Sold out of this quarter

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

Baillie Gifford & Co · Long-only$9.2m held before
Winton Group Ltd · Quantitative$7.0m held before

Ownership through time

At least 5 of the 95 managers whose filings are on file listed ATR in Q2 2026, against 4 in Q2 2013. 3 managers fewer than in Q1 2026: 1 started a position; 1 sold out, by its own filing; 3 no longer listed it among the positions read, which can mean a holding below the listed range, a filing that reported no holdings, 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

Quantbot Technologies LP$3.5m

Largest increases, by shares

Neuberger Berman Group LLC1,174,537 to 1,548,824 shares+$47m
Quantbot Technologies LPnew: 27,795 shares+$3.5m
Holocene Advisors LP37,857 to 56,932 shares+$2.4m

Largest decreases, by shares

Voloridge Investment Management LLC150,834 to 59,714 shares-$11m
Acadian Asset Management LLC218,995 to 135,896 shares-$10m

Left it

Baillie Gifford & Cowas $9.2m

Manager	First listed	Largest	Q2 2026
Neuberger Berman Group LLC	Q2 2013	$370m	$194m
Acadian Asset Management LLC	Q2 2017	$106m	$17m
Voloridge Investment Management LLC	Q4 2018	$34m	$7.5m
Holocene Advisors LP	Q2 2020	$7.1m	$7.1m
Quantbot Technologies LP	Q4 2014	$3.5m	$3.5m
Capital Research Global Investors	Q2 2013	$389m	last listed Q4 2016
AQR Capital Management LLC	Q3 2024	$154m	last listed Q1 2026
Balyasny Asset Management LLC	Q3 2023	$82m	last listed Q1 2026
Capital World Investors	Q2 2013	$64m	last listed Q2 2016
Millennium Management LLC	Q4 2015	$39m	last listed Q3 2020
Renaissance Technologies LLC	Q1 2016	$38m	last listed Q1 2016
ExodusPoint Capital Management LP	Q1 2020	$33m	last listed Q3 2025
Point72 Asset Management LP	Q4 2020	$29m	last listed Q1 2024
Two Sigma Investments LP	Q1 2015	$24m	last listed Q1 2024
Two Sigma Advisers LP	Q1 2024	$18m	last listed Q1 2024

What ATR 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 ATR →

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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