Free · no sign-up · Q2 2026

Which funds own CDP

Copt Defense Properties in the Q2 2026 filings. At least 1 of the 91 current managers on file reported a position, worth $272m 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: $272m; as reported
Opened: 0; new this quarter
Added to: 1; already held
Trimmed or sold out: 1; 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
AllianceBernstein LP Long-only · $302bn book	$272m	0.1%	8,880,283	+$26m+41,315	Added

Sold out of this quarter

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

Jane Street Group LLC · Quantitative$14m held before

Ownership through time

At least 3 of the 95 managers whose filings are on file listed CDP in Q2 2026, against 2 in Q4 2013. 1 manager more than in Q1 2026: 1 started a position.

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

Hudson Bay Capital Management LP$6.4m

Largest increases, by shares

Hudson Bay Capital Management LPnew: 175,000 shares+$6.4m
AllianceBernstein LP8,838,968 to 8,880,283 shares+$1.3m

Largest decreases, by shares

Two Sigma Investments LP2,244,180 to 1,720,245 shares-$19m

Left it

No manager on file is shown leaving it.

Manager	First listed	Largest	Q2 2026
AllianceBernstein LP	Q4 2024	$272m	$272m
Two Sigma Investments LP	Q4 2014	$69m	$63m
Hudson Bay Capital Management LP	Q2 2026	$6.4m	$6.4m
Fidelity (FMR LLC)	Q2 2018	$391m	last listed Q1 2020
Wellington Management Group LLP	Q1 2017	$276m	last listed Q3 2020
Invesco Ltd	Q1 2019	$135m	last listed Q1 2019
MFS Investment Management	Q4 2013	$113m	last listed Q4 2020
Renaissance Technologies LLC	Q2 2015	$81m	last listed Q2 2020
Janus Henderson Group Ltd	Q2 2014	$60m	last listed Q3 2022
Balyasny Asset Management LLC	Q4 2013	$56m	last listed Q4 2025
Millennium Management LLC	Q4 2014	$53m	last listed Q3 2018
AQR Capital Management LLC	Q4 2024	$34m	last listed Q4 2024
Winton Group Ltd	Q3 2018	$33m	last listed Q3 2020

What CDP 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 CDP →

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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Illustrative figures. Default values are plausible starting points chosen so a model has somewhere to begin. They are not data, not a view on any company, and not calibrated to anything. Outputs move with whatever you type in.

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The holdings, every quarter, and the week between

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