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RBRK · AMZN in the 13F filings

Two to four stocks side by side among the 95 tracked managers: who lists them, how that has moved, who bought and sold in a quarter, and which managers hold more than one.

RBRKAMZN
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023

Holders over time

Tracked managers listing each stock every quarter, at least, or their combined reported value. A gap is a quarter in which no tracked manager listed it. Click a quarter to compare there.
  • RBRK
  • AMZN
020406080202120222023202420252026
Holders and value by quarter
QuarterRBRKAMZN
Q3 2020none listed holders, n.a.63 holders, $195bn
Q4 2020none listed holders, n.a.65 holders, $198bn
Q1 2021none listed holders, n.a.65 holders, $193bn
Q2 2021none listed holders, n.a.66 holders, $221bn
Q3 2021none listed holders, n.a.59 holders, $199bn
Q4 2021none listed holders, n.a.66 holders, $209bn
Q1 2022none listed holders, n.a.66 holders, $201bn
Q2 2022none listed holders, n.a.58 holders, $125bn
Q3 2022none listed holders, n.a.60 holders, $136bn
Q4 2022none listed holders, n.a.56 holders, $93.6bn
Q1 2023none listed holders, n.a.61 holders, $112bn
Q2 2023none listed holders, n.a.64 holders, $144bn
Q3 2023none listed holders, n.a.65 holders, $141bn
Q4 2023none listed holders, n.a.69 holders, $172bn
Q1 2024none listed holders, n.a.69 holders, $209bn
Q2 20248 holders, $108m70 holders, $224bn
Q3 20248 holders, $230m62 holders, $206bn
Q4 202414 holders, $612m68 holders, $250bn
Q1 202518 holders, $684m70 holders, $218bn
Q2 202520 holders, $1.4bn71 holders, $253bn
Q3 202518 holders, $912m69 holders, $244bn
Q4 202517 holders, $584m74 holders, $280bn
Q1 202611 holders, $342m70 holders, $261bn
Q2 202613 holders, $1.8bn72 holders, $305bn
RBRK

Rubrik Inc.

Holders
13
Reported value
$1.8bn
Buyers
15
Sellers
18

Breadth -3 among 91 comparable managers.

Software and IT servicesCloud and enterprise software · L3VLUPPrepackaged software
AMZN

Amazon Com Inc

Holders
72
Reported value
$305bn
Buyers
47
Sellers
24

Breadth +23 among 91 comparable managers.

Consumer discretionaryCloud and enterprise software · L3VLUPConsumer and digital platforms · L3VLUP

Who holds both, Q2 2026

Among the 72 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only RBRK (0)

None.

Only AMZN (59)

Acadian Asset Management LLC, AllianceBernstein LP, Altimeter Capital Management LP, Appaloosa LP, Arrowstreet Capital LP, Artisan Partners LP, Balyasny Asset Management LLC, Baupost Group LLC, Brevan Howard Capital Management LP, Bridgewater Associates LP, Capital Research Global Investors, Capital World Investors, Caxton Associates LLP, Citadel Advisors LLC, Coatue Management LLC, D. E. Shaw & Co., D1 Capital Partners LP, Davidson Kempner Capital Management LP, Dodge & Cox, Dragoneer Investment Group LLC, Egerton Capital UK LLP, Farallon Capital Management LLC, GAMCO Investors Inc, Glenview Capital Management LLC, Harris Associates LP, and 34 more

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. Buyers and sellers count comparable managers (those that filed both quarters) by shares, so a rise in value with no rise in shares is the price. Large books are listed to their largest positions. These are 95 tracked managers, not the institutional market.

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