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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, Q4 2025

Institutional positions in Seagate Technology Holdings plc as of Dec 31, 2025. 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
1,280
+170 vs. Q3 2025
Shares held
194.4M
+515.6K (+0.3%) vs. Q3 2025
Total value
$53.5B
+$7.82B (+17.1%) vs. Q3 2025
New holders
256
448 more added
Sold out
86
408 more reduced

16 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: 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 holdersQ4 2025: 1,280 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 heldQ4 2025: $53.5B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q3 2025.

Institutions holding STX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Ogorek Anthony Joseph64$17.0K0.00%−23−26.4%Reduced
Smithfield Trust Co60$17.0K0.00%+10+20.0%Added
Medallion Wealth Advisors, LLC64$17.6K0.01%00.0%Unchanged
Annis Gardner Whiting Capital Advisors, LLC65$17.9K0.00%+53+441.7%Added
GHP Investment Advisors, Inc.66$18.2K0.00%00.0%Unchanged
LRI Investments, LLC67$18.6K0.00%00.0%Unchanged
IMG Wealth Management, Inc.68$18.7K0.01%00.0%Unchanged
Wilkerson Advisory Group LLC68$18.7K0.01%+68New
Addison Advisors LLC69$19.0K0.00%00.0%Unchanged
Prosperity Bancshares Inc73$20.1K0.02%+73New
WealthCollab, LLC73$20.1K0.01%00.0%Unchanged
REAP Financial Group, LLC76$20.9K0.00%−1−1.3%Reduced
Sofos Investments, Inc.76$20.9K0.00%00.0%Unchanged
Westfuller Advisors, LLC77$21.4K0.01%−18−18.9%Reduced
Wellington-Altus USA Inc.78$21.5K0.02%+78New
Center for Financial Planning, Inc.80$22.0K0.00%00.0%Unchanged
Maseco LLP82$22.4K0.00%+1+1.2%Added
Covestor Ltd90$25.0K0.01%−179−66.5%Reduced
Salomon & Ludwin, LLC92$26.7K0.00%+51+124.4%Added
Legacy Wealth Managment, LLC97$26.7K0.01%+22+29.3%Added
DiNuzzo Private Wealth, Inc.97$26.7K0.00%00.0%Unchanged
Ameriflex Group, Inc.98$27.0K0.01%−98−50.0%Reduced
Colonial Trust Co98$27.4K0.00%−95−49.2%Reduced
Bangor Savings Bank100$27.5K0.00%−25−20.0%Reduced
Berbice Capital Management LLC100$27.5K0.02%00.0%Unchanged
Mountain Hill Investment Partners Corp.100$27.5K0.02%00.0%Unchanged
Concord Wealth Partners100$27.5K0.00%+100New
Armstrong Advisory Group, Inc100$27.5K0.00%+100New
Avion Wealth102$28.0K0.01%+79+343.5%Added
Bell Investment Advisors, Inc105$28.9K0.00%+30+40.0%Added
N.E.W. Advisory Services LLC106$29.2K0.00%00.0%Unchanged
Rosenberg Matthew Hamilton107$29.5K0.01%00.0%Unchanged
Abound Wealth Management108$29.8K0.01%+2+1.9%Added
Quarry LP111$30.6K0.01%+111New
Stone House Investment Management, LLC118$32.5K0.01%00.0%Unchanged
North Star Investment Management Corp.122$33.6K0.00%+19+18.4%Added
Financial Perspectives, Inc123$33.7K0.01%+1+0.8%Added
Solstein Capital, LLC125$34.4K0.01%00.0%Unchanged
Front Row Advisors LLC125$34.5K0.01%−50−28.6%Reduced
Estabrook Capital Management127$35.0K0.01%00.0%Unchanged
Groupe la Francaise128$35.3K0.00%−21,244−99.4%Reduced
University of Texas/Texas Am Investment Managment Co134$36.9K0.01%+134New
Thurston, Springer, Miller, Herd & Titak, Inc.136$37.5K0.01%+136New
Birchwood Financial Partners, Inc.150$41.3K0.04%+150New
SJS Investment Consulting Inc.151$41.6K0.01%+135+843.8%Added
Camelot Portfolios, LLC159$43.8K0.03%+159New
Kingdom Financial Group LLC.162$44.6K0.01%+162New
United Community Bank169$46.5K0.02%00.0%Unchanged
MV Capital Management, Inc.172$47.4K0.00%+1+0.6%Added
Delta Asset Management LLC183$50.4K0.00%00.0%Unchanged
Harbor Asset Planning, Inc.187$51.5K0.04%00.0%Unchanged
UMA Financial Services, Inc.193$53.2K0.01%+45+30.4%Added
Cornerstone Planning Group LLC121$53.6K0.01%+21+21.0%Added
Quest 10 Wealth Builders, Inc.196$54.0K0.05%+81+70.4%Added
Rossby Financial, LCC198$54.5K0.02%−300−60.2%Reduced
JFS Wealth Advisors, LLC199$54.8K0.00%+22+12.4%Added
GoalVest Advisory LLC200$55.1K0.01%−120−37.5%Reduced
MTM Investment Management, LLC200$55.1K0.02%00.0%Unchanged
Bank of Jackson Hole Trust200$55.1K0.03%00.0%Unchanged
Bryn Mawr Trust Co203$55.9K0.00%+42+26.1%Added
Wolff Wiese Magana LLC206$56.7K0.03%+100+94.3%Added
CFG Wealth Management Services, Inc.208$57.3K0.05%+208New
Blue Bell Private Wealth Management, LLC209$57.6K0.01%+9+4.5%Added
Morton Brown Family Wealth, LLC211$58.1K0.02%00.0%Unchanged
Vermillion Wealth Management, Inc.227$62.5K0.03%00.0%Unchanged
Van Eck Associates Corp233$64.0K0.00%+197+547.2%Added
Commonwealth Retirement Investments LLC234$64.4K0.02%+234New
United Financial Planning Group LLC236$65.0K0.04%+47+24.9%Added
Bruce G. Allen Investments, LLC248$68.3K0.05%−57−18.7%Reduced
West Branch Capital LLC257$70.8K0.02%−35−12.0%Reduced
True Wealth Design, LLC260$71.6K0.02%−8−3.0%Reduced
Garton & Associates Financial Advisors LLC260$71.7K0.04%+260New
NBC Securities, Inc.272$75.0K0.01%+18+7.1%Added
Boreal Capital Management LLC278$76.8K0.06%+278Added
Manchester Capital Management LLC285$78.5K0.01%+86+43.2%Added
Lloyd Advisory Services, LLC.292$80.3K0.03%+292New
Reflection Asset Management292$80.4K0.06%+292New
DT Investment Partners, LLC293$80.7K0.01%00.0%Unchanged
Contravisory Investment Management, Inc.296$81.5K0.02%+296New
Chilton Capital Management LLC296$81.5K0.00%+6+2.1%Added
TCTC Holdings, LLC298$82.1K0.00%00.0%Unchanged
DV Equities, LLC306$84.3K0.02%+306New
HM Payson & Co309$85.1K0.00%−24−7.2%Reduced
Larson Financial Group LLC310$85.4K0.00%+144+86.7%Added
Albion Financial Group317$87.3K0.01%00.0%Unchanged
Fourth Dimension Wealth, LLC318$87.6K0.03%00.0%Unchanged
Elequin Capital LP325$89.5K0.01%+325New
Ancora Advisors, LLC326$89.8K0.00%+123+60.6%Added
Harbor Investment Advisory, LLC326$89.8K0.01%+123+60.6%Added
Essential Partners LLC331$91.2K0.03%+23+7.5%Added
Valley National Advisers Inc335$92.0K0.01%+2+0.6%Added
First Horizon Corp338$93.1K0.00%+197+139.7%Added
Kayne Anderson Rudnick Investment Management LLC351$96.8K0.00%−866−71.2%Reduced
Gen-Wealth Partners Inc356$98.0K0.03%+256+256.0%Added
Versant Capital Management, Inc376$103.5K0.01%−58−13.4%Reduced
Quattro Advisors LLC377$103.8K0.08%+377New
Alphadyne Asset Management LP388$106.9K0.01%+388New
Trust Co of Toledo NA395$108.8K0.01%00.0%Unchanged
Community Bank, N.A.400$110.2K0.01%+400New
Financial Management Professionals, Inc.400$110.5K0.01%00.0%Unchanged