How many institutional investors hold STX?

5 tracked institutional investors disclosed a position in STX (SEAGATE TECHNOLOGY HLDNGS PL) in their most recent 13F filing.

Who is the largest institutional holder of STX?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in STX, valued at $1.3B.

Where does this STX 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.

STX — SEAGATE TECHNOLOGY HLDNGS PL

Name: SEAGATE TECHNOLOGY HLDNGS PL (STX) — 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 SEAGATE TECHNOLOGY HLDNGS PL (STX)

SEAGATE TECHNOLOGY HLDNGS PL (STX) appears in the most recent 13F filings of 5 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $1.3B. Across recent filings, tracked investors recorded 3 new positions, 3 increased, 0 reduced, and 2 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in STX

/100

Institutional Accumulation

Added / Increased6

Reduced0

Exited2

BearishBullish

Crowded Trade Score™

How many top investors track STX

/100

Emerging Interest

5investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

STX Ownership Composition

How SEAGATE TECHNOLOGY HLDNGS PL is held across tracked investor types, based on reported 13F positions.

Dominant Type

Other

86% of tracked value

Institutions

tracked investors

Total Reported

$2B

combined 13F value

Other86.3%
Hedge Funds13.7%

Other(4)

86.3%

Hedge Funds(1)

13.7%

Tracked investors reporting STX

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	3.3M	$1.3B	0.21%	Mar 31, 2026
Steve Cohen	Point72 Asset Management	693K	$271.5M	0.35%	Mar 31, 2026
Izzy Englander	Millennium Management	664.1K	$260.2M	0.11%	Mar 31, 2026
Ray Dalio	Bridgewater Associates	329.1K	$128.9M	0.58%	Mar 31, 2026
Stanley Druckenmiller	Duquesne Family Office	50.7K	$19.9M	0.59%	Mar 31, 2026

Ken GriffinMar 31, 2026
Citadel Advisors
Shares
3.3M
Value
$1.3B
% Portfolio
0.21%
Steve CohenMar 31, 2026
Point72 Asset Management
Shares
693K
Value
$271.5M
% Portfolio
0.35%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
664.1K
Value
$260.2M
% Portfolio
0.11%
Ray DalioMar 31, 2026
Bridgewater Associates
Shares
329.1K
Value
$128.9M
% Portfolio
0.58%
Stanley DruckenmillerMar 31, 2026
Duquesne Family Office
Shares
50.7K
Value
$19.9M
% Portfolio
0.59%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Ken Griffin	Sold	-100.00%	$0	May 15, 2026
Stanley Druckenmiller	New	—	$19.9M	May 15, 2026
Ray Dalio	Increased	17.55%	$128.9M	May 15, 2026
Ken Griffin	Increased	13.48%	$1.2M	Feb 17, 2026
Stanley Druckenmiller	Sold	-100.00%	$0	Feb 17, 2026
Ray Dalio	Increased	72.71%	$77.1K	Feb 13, 2026
Stanley Druckenmiller	New	—	$20.3M	Nov 14, 2025
Ray Dalio	New	—	$38.3K	Nov 13, 2025

Ken Griffin
Sold
$0(-100.00%)May 15, 2026
Stanley Druckenmiller
New
$19.9MMay 15, 2026
Ray Dalio
Increased
$128.9M(17.55%)May 15, 2026
Ken Griffin
Increased
$1.2M(13.48%)Feb 17, 2026
Stanley Druckenmiller
Sold
$0(-100.00%)Feb 17, 2026
Ray Dalio
Increased
$77.1K(72.71%)Feb 13, 2026
Stanley Druckenmiller
New
$20.3MNov 14, 2025
Ray Dalio
New
$38.3KNov 13, 2025

Frequently asked questions

How many institutional investors hold STX?: 5 tracked institutional investors disclosed a position in STX (SEAGATE TECHNOLOGY HLDNGS PL) in their most recent 13F filing.
Who is the largest institutional holder of STX?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in STX, valued at $1.3B.
Did institutional ownership of STX increase or decrease?: Across recent 13F filings, tracked investors recorded 3 new positions, 3 increased, 0 reduced, and 2 fully exited STX.
Where does this STX 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.