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Seagate Technology Holdings plc

STX
Exchange
Nasdaq
Industry
Computer Storage Devices
SEC CIK
0001137789

In the last 90 days, Seagate Technology Holdings plc insiders filed 0 open-market purchases and 34 sales; 1,973 institutions reported holding it in 13F filings for Q2 2026, worth $181.1B in total; 5 superinvestors hold it, including Lone Pine Capital and Tiger Global Management.

13F holders, Q3 2021

Institutional positions in Seagate Technology Holdings plc as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
694
+27 vs. Q2 2021
Shares held
184.1M
+347.2K (+0.2%) vs. Q2 2021
Total value
$15.2B
−$951.2M (−5.9%) vs. Q2 2021
New holders
88
261 more added
Sold out
61
215 more reduced

12 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting STX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2021: 694 institutions
Q1 2021: 678 institutionsQ2 2021: 679 institutionsQ3 2021: 694 institutionsQ4 2021: 794 institutionsQ1 2022: 703 institutionsQ2 2022: 714 institutionsQ3 2022: 666 institutionsQ4 2022: 643 institutionsQ1 2023: 673 institutionsQ2 2023: 660 institutionsQ3 2023: 657 institutionsQ4 2023: 730 institutionsQ1 2024: 768 institutionsQ2 2024: 799 institutionsQ3 2024: 821 institutionsQ4 2024: 806 institutionsQ1 2025: 801 institutionsQ2 2025: 956 institutionsQ3 2025: 1,126 institutionsQ4 2025: 1,280 institutionsQ1 2026: 1,472 institutionsQ2 2026: 1,973 institutions
Value heldQ3 2021: $15.2B
Q1 2021: $15.5BQ2 2021: $16.2BQ3 2021: $15.2BQ4 2021: $20.4BQ1 2022: $15.4BQ2 2022: $12.5BQ3 2022: $9.29BQ4 2022: $9.40BQ1 2023: $12.1BQ2 2023: $11.0BQ3 2023: $12.3BQ4 2023: $16.2BQ1 2024: $17.2BQ2 2024: $19.3BQ3 2024: $20.4BQ4 2024: $16.6BQ1 2025: $16.9BQ2 2025: $28.8BQ3 2025: $45.8BQ4 2025: $53.5BQ1 2026: $74.2BQ2 2026: $181.1B
Institutions holding STX and their total value by quarter
QuarterHoldersValue
Q2 20261,973$181.1B
Q1 20261,472$74.2B
Q4 20251,280$53.5B
Q3 20251,126$45.8B
Q2 2025956$28.8B
Q1 2025801$16.9B
Q4 2024806$16.6B
Q3 2024821$20.4B
Q2 2024799$19.3B
Q1 2024768$17.2B
Q4 2023730$16.2B
Q3 2023657$12.3B
Q2 2023660$11.0B
Q1 2023673$12.1B
Q4 2022643$9.40B
Q3 2022666$9.29B
Q2 2022714$12.5B
Q1 2022703$15.4B
Q4 2021794$20.4B
Q3 2021694$15.2B
Q2 2021679$16.2B
Q1 2021678$15.5B

Institutions, Q3 2021

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q2 2021.

Institutions holding STX in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Tudor Investment Corp Et Al0$00.00%−19,586−100.0%Sold out
Bellwether Advisors, LLC0$00.00%−18,522−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−13,471−100.0%Sold out
Empirical Finance, LLC0$00.00%−11,648−100.0%Sold out
Maverick Capital LtdSuperinvestorMaverick Capital0$00.00%−10,122−100.0%Sold out
LMR Partners LLP0$00.00%−9,188−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−9,100−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−8,887−100.0%Sold out
Virtu Financial LLC0$00.00%−8,259−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−8,018−100.0%Sold out
Seizert Capital Partners, LLC0$00.00%−7,887−100.0%Sold out
Tuttle Tactical Management0$00.00%−7,068−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−5,873−100.0%Sold out
Verition Fund Management LLC0$00.00%−5,782−100.0%Sold out
Fiduciary Planning LLC0$00.00%−5,357−100.0%Sold out
Stevens Capital Management LP0$00.00%−5,330−100.0%Sold out
Founders Financial Alliance, LLC0$00.00%−5,330−100.0%Sold out
BP PLC0$00.00%−5,300−100.0%Sold out
Seven Eight Capital, LP0$00.00%−5,300−100.0%Sold out
Sawtooth Solutions, LLC0$00.00%−5,107−100.0%Sold out
Dorsey Wright & Associates0$00.00%−4,872−100.0%Sold out
Roman Butler Fullerton & Co0$00.00%−4,550−100.0%Sold out
Holocene Advisors, LP0$00.00%−4,127−100.0%Sold out
Resources Investment Advisors, LLC.0$00.00%−4,074−100.0%Sold out
FORA Capital, LLC0$00.00%−4,023−100.0%Sold out
Ballentine Partners, LLC0$00.00%−3,709−100.0%Sold out
Northwest Bancshares, Inc.0$00.00%−3,055−100.0%Sold out
Wolverine Asset Management LLC0$00.00%−3,000−100.0%Sold out
Redhawk Wealth Advisors, Inc.0$00.00%−2,856−100.0%Sold out
HighPoint Advisor Group LLC0$00.00%−2,859−100.0%Sold out
Standard Family Office LLC0$00.00%−2,674−100.0%Sold out
Barclays PLC0$00.00%−2,608−100.0%Sold out
Conning Inc.0$00.00%−2,541−100.0%Sold out
Horizon Investments, LLC0$00.00%−2,514−100.0%Sold out
Leavell Investment Management, Inc.0$00.00%−2,750−100.0%Sold out
HBK Sorce Advisory LLC0$00.00%−2,422−100.0%Sold out
First Long Island Investors, LLC0$00.00%−2,396−100.0%Sold out
Calton & Associates, Inc.0$00.00%−2,375−100.0%Sold out
Farmers & Merchants Trust Co of Long Beach0$00.00%−2,360−100.0%Sold out
Vicus Capital0$00.00%−2,358−100.0%Sold out
Marshall Wace, LLP0$00.00%−2,341−100.0%Sold out
Meridian Investment Counsel Inc.0$00.00%−2,316−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−2,288−100.0%Sold out
Exchange Traded Concepts, LLC0$00.00%−1,587−100.0%Sold out
WealthShield Partners, LLC0$00.00%−790−100.0%Sold out
West Branch Capital LLC0$00.00%−739−100.0%Sold out
Enterprise Financial Services Corp0$00.00%−640−100.0%Sold out
Ford Financial Group, LLC0$00.00%−281−100.0%Sold out
Pinebridge Investments, L.P.0$00.00%−228−100.0%Sold out
CVA Family Office, LLC0$00.00%−156−100.0%Sold out
Cutler Group LP0$00.00%−130−100.0%Sold out
Trust Co of Vermont0$00.00%−110−100.0%Sold out
HM Payson & Co0$00.00%−75−100.0%Sold out
Personal Wealth Partners0$00.00%−80−100.0%Sold out
Gradient Investments LLC0$00.00%−11−100.0%Sold out
QS Investors, LLC––––Not filed
Pictet Asset Management Ltd––––Not filed
Kimelman & Baird, LLC––––Not filed
Usca Ria LLC––––Not filed
Cipher Capital LP––––Not filed
San Francisco Sentry Investment Group (Ca)––––Not filed
CWM, LLC––––Not filed
GoalVest Advisory LLC––––Not filed
Horan Securities, Inc.––––Not filed
Cowen Prime Services LLC––––Not filed
Castleview Partners, LLC––––Not filed
FormulaFolio Investments, LLC––––Not filed