Free · no sign-up · Q2 2026

Which funds own RSI

Rush Street Interactive Inc in the Q2 2026 filings. At least 1 of the 91 current managers on file reported a position, worth $6.7m 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: $6.7m; as reported
Opened: 1; new this quarter
Added to: 0; 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
Soros Fund Management LLC Macro · $8.1bn book	$6.7m	0.1%	226,680	opened226,680	New

Sold out of this quarter

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

PDT Partners LLC · Quantitative$5.9m held before
Caxton Associates LLP · Macro$700k held before

Ownership through time

At least 7 of the 95 managers whose filings are on file listed RSI in Q2 2026, against 3 in Q4 2020. 2 managers fewer than in Q1 2026: 1 started a position; 1 listed it again; 1 sold out, by its own filing; 3 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

Soros Fund Management LLC$6.7m

Largest increases, by shares

Soros Fund Management LLCnew: 226,680 shares+$6.7m
Two Sigma Investments LP2,564,707 to 2,592,292 shares+$820k

Largest decreases, by shares

Marshall Wace LLP4,248,362 to 3,333,434 shares-$27m
Voloridge Investment Management LLC1,318,796 to 505,924 shares-$24m
Renaissance Technologies LLC2,285,000 to 1,817,500 shares-$14m
Arrowstreet Capital LP2,764,173 to 2,337,608 shares-$13m

Left it

PDT Partners LLCwas $5.9m

Manager	First listed	Largest	Q2 2026
Marshall Wace LLP	Q2 2025	$99m	$99m
Two Sigma Investments LP	Q1 2026	$77m	$77m
Arrowstreet Capital LP	Q4 2024	$70m	$70m
Renaissance Technologies LLC	Q3 2025	$54m	$54m
Voloridge Investment Management LLC	Q4 2025	$29m	$15m
Hudson Bay Capital Management LP	Q3 2023	$6.9m	$6.9m
Soros Fund Management LLC	Q2 2026	$6.7m	$6.7m
AllianceBernstein LP	Q2 2025	$93m	last listed Q1 2026
Janus Henderson Group Ltd	Q4 2021	$69m	last listed Q4 2021
Balyasny Asset Management LLC	Q4 2020	$35m	last listed Q4 2021
Man Group PLC	Q3 2021	$24m	last listed Q3 2021
Tudor Investment Corp	Q2 2024	$20m	last listed Q3 2025
Two Sigma Advisers LP	Q3 2025	$19m	last listed Q4 2025
Davidson Kempner Capital Management LP	Q4 2020	$11m	last listed Q4 2020
Moore Capital Management LP	Q4 2020	$11m	last listed Q4 2020
PDT Partners LLC	Q1 2023	$8.7m	last listed Q1 2026
Acadian Asset Management LLC	Q4 2024	$7.9m	last listed Q4 2024

What RSI 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 RSI →

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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