Free · no sign-up · Q2 2026

Which funds own ADPT

Adaptive Biotechnologies Cor in the Q2 2026 filings. At least 3 of the 91 current managers on file reported a position, worth $690m 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: 5 managers trimmed or sold out against 0 buying.

Managers holding: 3; at least, of 91 current
Combined value: $690m; as reported
Opened: 0; new this quarter
Added to: 0; already held
Trimmed or sold out: 5; 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
Viking Global Investors LP Long/short equity · $35.1bn book	$643m	1.8%	29,993,708	+$227m0	Held
ARK Investment Management LLC Long-only · $15.4bn book	$45m	0.3%	2,090,306	+$16m-2,663	Trimmed
Polen Capital Management LLC Long-only · $11.6bn book	$2.2m	0.0%	102,457	+$600k-13,594	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$14m held before
Brevan Howard Capital Management LP · Macro$2.4m held before
Farallon Capital Management LLC · Long/short equity$200k held before

Ownership through time

At least 7 of the 95 managers whose filings are on file listed ADPT in Q2 2026, against 8 in Q2 2019. 1 manager more than in Q1 2026: 1 started a position; 2 listed it again; 1 sold out, by its own filing; 1 no longer listed it among the positions read, which can mean a holding below the listed range 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$19m

Largest increases, by shares

Freestone Grove Partners LPnew: 881,688 shares+$19m

Largest decreases, by shares

ExodusPoint Capital Management LP555,020 to 518,146 shares-$791k
Polen Capital Management LLC116,051 to 102,457 shares-$292k
ARK Investment Management LLC2,092,969 to 2,090,306 shares-$57k

Left it

Farallon Capital Management LLCwas $153k

Manager	First listed	Largest	Q2 2026
Viking Global Investors LP	Q2 2019	$1.9bn	$643m
Wellington Management Group LLP	Q1 2020	$127m	$127m
D. E. Shaw & Co.	Q2 2026	$99m	$99m
ARK Investment Management LLC	Q2 2020	$178m	$45m
Freestone Grove Partners LP	Q2 2026	$19m	$19m
ExodusPoint Capital Management LP	Q2 2019	$11m	$11m
Polen Capital Management LLC	Q2 2025	$5.3m	$2.2m
T. Rowe Price Associates Inc	Q3 2020	$448m	last listed Q4 2021
MFS Investment Management	Q2 2019	$171m	last listed Q4 2021
Artisan Partners LP	Q1 2020	$120m	last listed Q4 2020
Neuberger Berman Group LLC	Q2 2020	$119m	last listed Q4 2021
Millennium Management LLC	Q2 2019	$34m	last listed Q2 2019
Point72 Asset Management LP	Q3 2023	$31m	last listed Q4 2023
Voloridge Investment Management LLC	Q3 2020	$13m	last listed Q4 2020
Balyasny Asset Management LLC	Q4 2019	$13m	last listed Q3 2020
PDT Partners LLC	Q2 2020	$8.2m	last listed Q3 2025
Man Group PLC	Q2 2020	$7.6m	last listed Q2 2020

What ADPT 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 ADPT →

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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