Free · no sign-up · Q2 2026

Which funds own ATEC

Alphatec HLDGS Inc in the Q2 2026 filings. At least 2 of the 91 current managers on file reported a position, worth $13m 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: $13m; as reported
Opened: 1; new this quarter
Added to: 0; already held
Trimmed or sold out: 2; 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
Oaktree Capital Management LP Activist · $7.2bn book	$9.1m	0.1%	9,177,000	opened9,177,000	New
PDT Partners LLC Quantitative · $1.9bn book	$3.4m	0.2%	387,592	-$1.0m-13,300	Trimmed

Sold out of this quarter

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

Point72 Asset Management LP · Multi-strategy$27m held before

Ownership through time

At least 4 of the 95 managers whose filings are on file listed ATEC in Q2 2026, against 1 in Q3 2019. 1 manager more than in Q1 2026: 2 started positions; 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

Freestone Grove Partners LP$10m
Moore Capital Management LP$1.6m

Largest increases, by shares

Freestone Grove Partners LPnew: 1,173,065 shares+$10m
First Eagle Investment Management LLC696,637 to 996,637 shares+$2.6m
Moore Capital Management LPnew: 188,504 shares+$1.6m

Largest decreases, by shares

PDT Partners LLC400,892 to 387,592 shares-$115k

Left it

No manager on file is shown leaving it.

Manager	First listed	Largest	Q2 2026
Freestone Grove Partners LP	Q4 2025	$13m	$10m
First Eagle Investment Management LLC	Q2 2024	$14m	$8.6m
PDT Partners LLC	Q1 2021	$8.4m	$3.4m
Moore Capital Management LP	Q2 2026	$1.6m	$1.6m
Point72 Asset Management LP	Q4 2020	$45m	last listed Q2 2024
Two Sigma Investments LP	Q2 2023	$41m	last listed Q4 2025
Two Sigma Advisers LP	Q1 2023	$34m	last listed Q4 2025
Walleye Capital LLC	Q3 2021	$33m	last listed Q4 2025
Janus Henderson Group Ltd	Q2 2023	$28m	last listed Q2 2023
Artisan Partners LP	Q4 2023	$19m	last listed Q4 2024
Tudor Investment Corp	Q4 2025	$19m	last listed Q4 2025
ExodusPoint Capital Management LP	Q1 2024	$8.8m	last listed Q2 2024
Schonfeld Strategic Advisors LLC	Q3 2019	$8.5m	last listed Q1 2026
Quantbot Technologies LP	Q1 2023	$2.7m	last listed Q3 2025

What ATEC 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 ATEC →

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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