Free · no sign-up · Q2 2026

Which funds own RIVN

Rivian Automotive Inc in the Q2 2026 filings. At least 5 of the 91 current managers on file reported a position, worth $1.7bn 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: 5; at least, of 91 current
Combined value: $1.7bn; as reported
Opened: 0; new this quarter
Added to: 3; already held
Trimmed or sold out: 3; 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
Baillie Gifford & Co Long-only · $110bn book	$750m	0.7%	43,210,348	+$90m-611,152	Trimmed
D. E. Shaw & Co. Quantitative · $210bn book	$361m	0.2%	20,832,777	+$232m+12,203,342	Added
Two Sigma Investments LP Quantitative · $138bn book	$333m	0.2%	19,178,109	+$189m+9,624,687	Added
Renaissance Technologies LLC Quantitative · $72.6bn book	$132m	0.2%	7,599,796	-$32m-3,317,300	Trimmed
Marshall Wace LLP Quantitative · $127bn book	$124m	0.1%	7,167,905	+$69m+3,512,799	Added

Sold out of this quarter

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

Winton Group Ltd · Quantitative$3.7m held before

Ownership through time

At least 6 of the 95 managers whose filings are on file listed RIVN in Q2 2026, against 25 in Q4 2021. 2 managers fewer than in Q1 2026: 2 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

No manager on file started a position.

Largest increases, by shares

D. E. Shaw & Co.8,629,435 to 20,832,777 shares+$212m
Two Sigma Investments LP9,553,422 to 19,178,109 shares+$167m
Marshall Wace LLP3,655,106 to 7,167,905 shares+$61m
Capital World Investors10,952,229 to 11,117,342 shares+$2.9m

Largest decreases, by shares

Renaissance Technologies LLC10,917,096 to 7,599,796 shares-$58m
Baillie Gifford & Co43,821,500 to 43,210,348 shares-$11m

Left it

No manager on file is shown leaving it.

Manager	First listed	Largest	Q2 2026
Baillie Gifford & Co	Q4 2021	$863m	$750m
D. E. Shaw & Co.	Q3 2023	$395m	$361m
Two Sigma Investments LP	Q1 2023	$333m	$333m
Capital World Investors	Q1 2026	$193m	$193m
Renaissance Technologies LLC	Q2 2022	$323m	$132m
Marshall Wace LLP	Q3 2023	$124m	$124m
T. Rowe Price Associates Inc	Q4 2021	$16.1bn	last listed Q2 2024
Coatue Management LLC	Q4 2021	$3.7bn	last listed Q4 2023
Capital Research Global Investors	Q4 2021	$2.6bn	last listed Q4 2023
Fidelity (FMR LLC)	Q4 2021	$2.6bn	last listed Q2 2024
Soros Fund Management LLC	Q4 2021	$2.1bn	last listed Q2 2023
D1 Capital Partners LP	Q4 2021	$1.6bn	last listed Q2 2024
Dragoneer Investment Group LLC	Q4 2021	$540m	last listed Q2 2022
Janus Henderson Group Ltd	Q4 2021	$504m	last listed Q4 2023
Third Point LLC	Q4 2021	$408m	last listed Q1 2022
Two Sigma Advisers LP	Q4 2023	$407m	last listed Q4 2025

Reported as options rather than shares

A put or a call on a name is not a position in it, and the filing states the notional rather than what the option cost. These lines are listed apart for that reason and are not counted in anything above.

Soros Fund Management LLC · calls$13m notional

What RIVN 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 RIVN →

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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