How many institutional investors hold SNDK?

6 tracked institutional investors disclosed a position in SNDK (SANDISK CORP) in their most recent 13F filing.

Who is the largest institutional holder of SNDK?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in SNDK, valued at $4.2B.

Where does this SNDK 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.

SNDK — SANDISK CORP

Name: SANDISK CORP (SNDK) — 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 SANDISK CORP (SNDK)

SANDISK CORP (SNDK) 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 $4.2B. Across recent filings, tracked investors recorded 4 new positions, 1 increased, 0 reduced, and 2 exited. All data sourced from SEC 13F filings.

Tracked investors reporting SNDK

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	6.6M	$4.2B	0.68%	Mar 31, 2026
Izzy Englander	Millennium Management	1.4M	$892.1M	0.37%	Mar 31, 2026
Steve Cohen	Point72 Asset Management	652.4K	$414.5M	0.53%	Mar 31, 2026
David Tepper	Appaloosa Management	281.3K	$178.7M	3.01%	Mar 31, 2026
Stanley Druckenmiller	Duquesne Family Office	38.2K	$24.2M	0.72%	Mar 31, 2026
Ray Dalio	Bridgewater Associates	9.5K	$6M	0.03%	Mar 31, 2026

Ken GriffinMar 31, 2026
Citadel Advisors
Shares
6.6M
Value
$4.2B
% Portfolio
0.68%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
1.4M
Value
$892.1M
% Portfolio
0.37%
Steve CohenMar 31, 2026
Point72 Asset Management
Shares
652.4K
Value
$414.5M
% Portfolio
0.53%
David TepperMar 31, 2026
Appaloosa Management
Shares
281.3K
Value
$178.7M
% Portfolio
3.01%
Stanley DruckenmillerMar 31, 2026
Duquesne Family Office
Shares
38.2K
Value
$24.2M
% Portfolio
0.72%
Ray DalioMar 31, 2026
Bridgewater Associates
Shares
9.5K
Value
$6M
% Portfolio
0.03%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Ken Griffin	Sold	-100.00%	$0	May 15, 2026
David Tepper	New	—	$178.7M	May 15, 2026
Stanley Druckenmiller	New	—	$24.2M	May 15, 2026
Ray Dalio	New	—	$6M	May 15, 2026
Ken Griffin	Increased	25.81%	$747.1K	Feb 17, 2026
Stanley Druckenmiller	Sold	-100.00%	$0	Feb 17, 2026
Stanley Druckenmiller	New	—	$18.7M	Nov 14, 2025

Ken Griffin
Sold
$0(-100.00%)May 15, 2026
David Tepper
New
$178.7MMay 15, 2026
Stanley Druckenmiller
New
$24.2MMay 15, 2026
Ray Dalio
New
$6MMay 15, 2026
Ken Griffin
Increased
$747.1K(25.81%)Feb 17, 2026
Stanley Druckenmiller
Sold
$0(-100.00%)Feb 17, 2026
Stanley Druckenmiller
New
$18.7MNov 14, 2025

Frequently asked questions

How many institutional investors hold SNDK?: 6 tracked institutional investors disclosed a position in SNDK (SANDISK CORP) in their most recent 13F filing.
Who is the largest institutional holder of SNDK?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in SNDK, valued at $4.2B.
Did institutional ownership of SNDK increase or decrease?: Across recent 13F filings, tracked investors recorded 4 new positions, 1 increased, 0 reduced, and 2 fully exited SNDK.
Where does this SNDK 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.