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Which funds own JBSS

John B. Sanfilippo & Son Inc in the Q2 2026 filings. At least 1 of the 91 current managers on file reported a position, worth $16m 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: $16m; as reported
Opened: 0; new this quarter
Added to: 0; already held
Trimmed or sold out: 1; 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
GAMCO Investors Inc Activist · $11.1bn book	$16m	0.1%	186,525	+$800k-5,500	Trimmed

Ownership through time

At least 1 of the 95 managers whose filings are on file listed JBSS in Q2 2026, against 1 in Q3 2013. The same number as in Q1 2026.

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

No manager on file bought more.

Largest decreases, by shares

GAMCO Investors Inc192,025 to 186,525 shares-$473k

Left it

No manager on file is shown leaving it.

Manager	First listed	Largest	Q2 2026
GAMCO Investors Inc	Q1 2017	$16m	$16m
Renaissance Technologies LLC	Q4 2015	$29m	last listed Q1 2016
Acadian Asset Management LLC	Q3 2013	$21m	last listed Q4 2022
Two Sigma Advisers LP	Q3 2025	$10m	last listed Q3 2025
Winton Group Ltd	Q1 2018	$3.6m	last listed Q3 2023
Bridgewater Associates LP	Q2 2023	$1.7m	last listed Q2 2023
PDT Partners LLC	Q1 2016	$618k	last listed Q1 2016
Caxton Associates LLP	Q1 2020	$562k	last listed Q2 2022

What JBSS 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 JBSS →

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

One email a week on what moved in the market and what it means for the people interviewing into it, with the 13F changes the quarter they are filed.

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