How many institutional investors hold RBRK?

6 tracked institutional investors disclosed a position in RBRK (RUBRIK INC) in their most recent 13F filing.

Who is the largest institutional holder of RBRK?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in RBRK, valued at $318M.

Where does this RBRK ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

RBRK — RUBRIK INC

Name: RUBRIK INC (RBRK) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About RUBRIK INC (RBRK)

RUBRIK INC (RBRK) appears in the most recent 13F filings of 6 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $318M. Across recent filings, tracked investors recorded 4 new positions, 2 increased, 2 reduced, and 1 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in RBRK

/100

Institutional Accumulation

Added / Increased6

Reduced2

Exited1

BearishBullish

Crowded Trade Score™

How many top investors track RBRK

/100

Moderate Interest

6investors

Several tracked investors have exposure.

UndiscoveredCrowded

151015+

RBRK Ownership Composition

How RUBRIK INC is held across tracked investor types, based on reported 13F positions.

Dominant Type

Other

79% of tracked value

Institutions

tracked investors

Total Reported

$117.7M

combined 13F value

Other79.0%
Growth Funds16.4%
Hedge Funds4.5%

Other(3)

79.0%

Growth Funds(1)

16.4%

Hedge Funds(2)

4.5%

Tracked investors reporting RBRK

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	1.4M	$68.5M	0.01%	Mar 31, 2026
Izzy Englander	Millennium Management	464.6K	$22.8M	0.01%	Mar 31, 2026
Cathie Wood	ARK Investment Management	395K	$19.3M	0.15%	Mar 31, 2026
Steve Cohen	Point72 Asset Management	74.3K	$3.6M	0.00%	Mar 31, 2026
Ray Dalio	Bridgewater Associates	35.7K	$1.7M	0.01%	Mar 31, 2026
George Soros	Soros Fund Management	22K	$1.7M	0.02%	Dec 31, 2025

Ken GriffinMar 31, 2026
Citadel Advisors
Shares
1.4M
Value
$68.5M
% Portfolio
0.01%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
464.6K
Value
$22.8M
% Portfolio
0.01%
Cathie WoodMar 31, 2026
ARK Investment Management
Shares
395K
Value
$19.3M
% Portfolio
0.15%
Steve CohenMar 31, 2026
Point72 Asset Management
Shares
74.3K
Value
$3.6M
% Portfolio
0.00%
Ray DalioMar 31, 2026
Bridgewater Associates
Shares
35.7K
Value
$1.7M
% Portfolio
0.01%
George SorosDec 31, 2025
Soros Fund Management
Shares
22K
Value
$1.7M
% Portfolio
0.02%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Izzy Englander	New	—	$22.8M	May 15, 2026
George Soros	New	—	$1.7M	Feb 13, 2026
Ray Dalio	Reduced	-31.20%	$1.7M	May 15, 2026
Cathie Wood	Reduced	-13.04%	$19.3M	May 12, 2026
Ken Griffin	Sold	-100.00%	$0	Feb 17, 2026
Ray Dalio	Increased	36.86%	$4M	Feb 13, 2026
Cathie Wood	Increased	42.36%	$34.7M	Feb 11, 2026
Ray Dalio	New	—	$3.1M	Nov 13, 2025
Cathie Wood	New	—	$26.2M	Nov 12, 2025

Izzy Englander
New
$22.8MMay 15, 2026
George Soros
New
$1.7MFeb 13, 2026
Ray Dalio
Reduced
$1.7M(-31.20%)May 15, 2026
Cathie Wood
Reduced
$19.3M(-13.04%)May 12, 2026
Ken Griffin
Sold
$0(-100.00%)Feb 17, 2026
Ray Dalio
Increased
$4M(36.86%)Feb 13, 2026
Cathie Wood
Increased
$34.7M(42.36%)Feb 11, 2026
Ray Dalio
New
$3.1MNov 13, 2025
Cathie Wood
New
$26.2MNov 12, 2025

Frequently asked questions

How many institutional investors hold RBRK?: 6 tracked institutional investors disclosed a position in RBRK (RUBRIK INC) in their most recent 13F filing.
Who is the largest institutional holder of RBRK?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in RBRK, valued at $318M.
Did institutional ownership of RBRK increase or decrease?: Across recent 13F filings, tracked investors recorded 4 new positions, 2 increased, 2 reduced, and 1 fully exited RBRK.
Where does this RBRK ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.