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Which funds own PTC

PTC Inc in the Q2 2026 filings. At least 4 of the 91 current managers on file reported a position, worth $468m 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: 4; at least, of 91 current
Combined value: $468m; as reported
Opened: 2; new this quarter
Added to: 2; already held
Trimmed or sold out: 2; 2 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
Janus Henderson Group Ltd Long-only · $245bn book	$419m	0.2%	3,684,121	-$84m+154,051	Added
Freestone Grove Partners LP Multi-strategy · $15.6bn book	$43m	0.3%	377,748	opened377,748	New
Winton Group Ltd Quantitative · $3.1bn book	$3.9m	0.1%	34,742	opened34,742	New
ARK Investment Management LLC Long-only · $15.4bn book	$2.4m	0.0%	21,049	-$400k+1,486	Added

Sold out of this quarter

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

Voloridge Investment Management LLC · Quantitative$32m held before
D. E. Shaw & Co. · Quantitative$10m held before

Ownership through time

At least 8 of the 95 managers whose filings are on file listed PTC in Q2 2026, against 3 in Q2 2013. 1 manager more than in Q1 2026: 4 started positions; 1 listed it again; 4 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

Freestone Grove Partners LPnew: 377,748 shares+$43m
Tudor Investment Corpnew: 326,841 shares+$37m
Janus Henderson Group Ltd3,530,070 to 3,684,121 shares+$18m
Holocene Advisors LPnew: 49,846 shares+$5.7m
Winton Group Ltdnew: 34,742 shares+$3.9m

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
Janus Henderson Group Ltd	Q1 2017	$708m	$419m
Citadel Advisors LLC	Q4 2015	$258m	$258m
Freestone Grove Partners LP	Q1 2025	$43m	$43m
Tudor Investment Corp	Q3 2014	$64m	$37m
Holocene Advisors LP	Q4 2017	$85m	$5.7m
Winton Group Ltd	Q2 2014	$8.9m	$3.9m
ARK Investment Management LLC	Q4 2016	$26m	$2.4m
Caxton Associates LLP	Q1 2017	$8.1m	$2.1m
Fidelity (FMR LLC)	Q4 2013	$1.4bn	last listed Q2 2024
T. Rowe Price Associates Inc	Q1 2021	$606m	last listed Q1 2026
Lone Pine Capital LLC	Q3 2022	$561m	last listed Q4 2024
Wellington Management Group LLP	Q2 2013	$549m	last listed Q1 2026
AllianceBernstein LP	Q2 2013	$537m	last listed Q3 2024
Invesco Ltd	Q3 2020	$442m	last listed Q4 2024
MFS Investment Management	Q2 2013	$181m	last listed Q2 2025
Durable Capital Partners LP	Q4 2023	$148m	last listed Q2 2025
Artisan Partners LP	Q2 2017	$139m	last listed Q1 2019
Sachem Head Capital Management LP	Q2 2015	$135m	last listed Q1 2016

What PTC 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 PTC →

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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