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Which funds own BTU

Peabody Engr Corp in the Q2 2026 filings. At least 2 of the 91 current managers on file reported a position, worth $213m between them. It is among the largest positions of fewer than a fifth of the current managers on file. The quarter went the other way: 4 managers trimmed or sold out against 1 buying.

Managers holding: 2; at least, of 91 current
Combined value: $213m; as reported
Opened: 0; new this quarter
Added to: 1; already held
Trimmed or sold out: 4; 3 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
Renaissance Technologies LLC Quantitative · $72.6bn book	$123m	0.2%	5,313,527	-$73m-619,100	Trimmed
Hudson Bay Capital Management LP Multi-strategy · $36.8bn book	$90m	0.2%	3,882,918	+$16m+1,644,562	Added

Sold out of this quarter

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

Arrowstreet Capital LP · Quantitative$11m held before
Man Group PLC · Quantitative$3.2m held before
PDT Partners LLC · Quantitative$1.8m held before

Ownership through time

At least 4 of the 95 managers whose filings are on file listed BTU in Q2 2026, against 6 in Q2 2017. 1 manager fewer than in Q1 2026: 1 sold out, by its own filing.

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

Hudson Bay Capital Management LP2,238,356 to 3,882,918 shares+$38m

Largest decreases, by shares

Renaissance Technologies LLC5,932,627 to 5,313,527 shares-$14m
MFS Investment Management2,909,664 to 2,898,295 shares-$263k
Caxton Associates LLP57,949 to 52,377 shares-$129k

Left it

PDT Partners LLCwas $1.8m

Manager	First listed	Largest	Q2 2026
Renaissance Technologies LLC	Q1 2018	$195m	$123m
Hudson Bay Capital Management LP	Q2 2024	$90m	$90m
MFS Investment Management	Q4 2025	$96m	$67m
Caxton Associates LLP	Q2 2019	$5.4m	$1.2m
Elliott Investment Management LP	Q2 2017	$1.6bn	last listed Q1 2024
Discovery Capital Management LLC	Q2 2017	$536m	last listed Q4 2017
Susquehanna International Group LLP	Q2 2017	$285m	last listed Q3 2019
Maverick Capital Ltd	Q2 2018	$121m	last listed Q4 2025
Citadel Advisors LLC	Q3 2017	$96m	last listed Q1 2018
Millennium Management LLC	Q3 2017	$88m	last listed Q4 2018
AllianceBernstein LP	Q3 2017	$84m	last listed Q1 2018
Marshall Wace LLP	Q3 2022	$71m	last listed Q2 2023
Two Sigma Investments LP	Q4 2017	$68m	last listed Q4 2023
Two Sigma Advisers LP	Q4 2017	$61m	last listed Q4 2023

What BTU 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 BTU →

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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