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Which funds own GPK

Graphic Packaging HLDG Co in the Q2 2026 filings. At least 2 of the 91 current managers on file reported a position, worth $111m 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: $111m; as reported
Opened: 0; new this quarter
Added to: 1; 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
Greenlight Capital Activist · $3.9bn book	$105m	2.7%	9,953,430	+$15m+853,450	Added
Caxton Associates LLP Macro · $5.3bn book	$5.6m	0.1%	526,039	+$100k-20,972	Trimmed

Sold out of this quarter

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

MFS Investment Management · Long-only$74m held before
Voloridge Investment Management LLC · Quantitative$18m held before

Ownership through time

At least 7 of the 95 managers whose filings are on file listed GPK in Q2 2026, against 2 in Q2 2013. 2 managers fewer than in Q1 2026: 1 started a position; 2 listed it again; 1 sold out, by its own filing; 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

Moore Capital Management LP$4.8m

Largest increases, by shares

Greenlight Capital9,099,980 to 9,953,430 shares+$9.0m
Squarepoint Ops LLC3,454,012 to 4,155,774 shares+$7.4m
Moore Capital Management LPnew: 457,375 shares+$4.8m

Largest decreases, by shares

Holocene Advisors LP1,239,828 to 461,765 shares-$8.2m
Caxton Associates LLP547,011 to 526,039 shares-$222k

Left it

MFS Investment Managementwas $74m

Manager	First listed	Largest	Q2 2026
AQR Capital Management LLC	Q2 2016	$214m	$214m
Greenlight Capital	Q1 2024	$127m	$105m
Squarepoint Ops LLC	Q2 2015	$46m	$44m
Marshall Wace LLP	Q1 2014	$111m	$39m
Caxton Associates LLP	Q2 2017	$5.6m	$5.6m
Holocene Advisors LP	Q3 2018	$12m	$4.9m
Moore Capital Management LP	Q3 2013	$4.9m	$4.8m
Fidelity (FMR LLC)	Q1 2016	$605m	last listed Q1 2025
Wellington Management Group LLP	Q2 2013	$364m	last listed Q3 2025
MFS Investment Management	Q4 2014	$284m	last listed Q1 2026
Janus Henderson Group Ltd	Q2 2017	$173m	last listed Q2 2025
Millennium Management LLC	Q3 2013	$171m	last listed Q1 2023
Citadel Advisors LLC	Q4 2015	$162m	last listed Q1 2020
Jana Partners	Q2 2016	$144m	last listed Q3 2016
Maverick Capital Ltd	Q2 2018	$138m	last listed Q1 2024
Neuberger Berman Group LLC	Q2 2021	$129m	last listed Q3 2025
First Eagle Investment Management LLC	Q4 2013	$125m	last listed Q4 2016

What GPK 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 GPK →

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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