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Which funds own BB

Blackberry LTD in the Q2 2026 filings. At least 2 of the 91 current managers on file reported a position, worth $109m 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: $109m; as reported
Opened: 1; new this quarter
Added to: 1; already held
Trimmed or sold out: 0; 0 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	$104m	0.1%	8,194,243	+$92m+4,648,700	Added
Quantbot Technologies LP Quantitative · $2.5bn book	$4.8m	0.2%	378,173	opened378,173	New

Ownership through time

At least 6 of the 95 managers whose filings are on file listed BB in Q2 2026, against 1 in Q2 2013. 5 managers more than in Q1 2026: 3 started positions; 3 listed it again; 1 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

Largest increases, by shares

Marshall Wace LLPnew: 4,564,235 shares+$58m
Voloridge Investment Management LLCnew: 2,155,261 shares+$27m
Quantbot Technologies LPnew: 378,173 shares+$4.8m

Largest decreases, by shares

No manager on file sold part of it.

Left it

No manager on file is shown leaving it.

Manager	First listed	Largest	Q2 2026
D. E. Shaw & Co.	Q2 2014	$168m	$168m
Two Sigma Investments LP	Q4 2013	$136m	$136m
Renaissance Technologies LLC	Q4 2014	$150m	$104m
Marshall Wace LLP	Q2 2025	$58m	$58m
Voloridge Investment Management LLC	Q1 2015	$27m	$27m
Quantbot Technologies LP	Q1 2014	$4.8m	$4.8m
AQR Capital Management LLC	Q3 2013	$79m	last listed Q4 2018
Third Point LLC	Q4 2013	$74m	last listed Q4 2013
First Eagle Investment Management LLC	Q3 2016	$70m	last listed Q1 2019
Viking Global Investors LP	Q3 2013	$64m	last listed Q2 2014
Arrowstreet Capital LP	Q4 2018	$56m	last listed Q4 2020
Coatue Management LLC	Q3 2013	$49m	last listed Q4 2013
Harris Associates LP	Q4 2019	$48m	last listed Q4 2020
Artisan Partners LP	Q1 2018	$27m	last listed Q2 2020
PDT Partners LLC	Q4 2015	$16m	last listed Q1 2021
Two Sigma Advisers LP	Q4 2013	$15m	last listed Q1 2018

What BB 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 BB →

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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