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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, Q2 2026

Institutional positions in Seagate Technology Holdings plc as of Jun 30, 2026. 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
1,973
+520 vs. Q1 2026
Shares held
188.5M
−677.3K (−0.4%) vs. Q1 2026
Total value
$181.1B
+$107.3B (+145.4%) vs. Q1 2026
New holders
587
629 more added
Sold out
67
604 more reduced

19 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 1,973 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 heldQ2 2026: $181.1B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q1 2026.

Institutions holding STX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Delta Asset Management LLC183$176.6K0.02%00.0%Unchanged
AlphaCentric Advisors LLC183$176.6K0.15%+9+5.2%Added
UMA Financial Services, Inc.185$178.1K0.02%+6+3.4%Added
Ninety One UK Ltd186$179.5K0.00%+186New
Harbor Asset Planning, Inc.187$180.5K0.14%00.0%Unchanged
United Financial Planning Group LLC189$182.4K0.09%+189New
Thurston, Springer, Miller, Herd & Titak, Inc.194$188.1K0.07%+58+42.6%Added
Pier 88 Investment Partners LLC200$193.0K0.05%−3,100−93.9%Reduced
MTM Investment Management, LLC200$193.0K0.06%00.0%Unchanged
Valley National Advisers Inc201$194.0K0.02%−136−40.4%Reduced
MCF Advisors LLC203$196.1K0.01%+100+97.1%Added
Bryn Mawr Trust Co205$197.8K0.00%+2+1.0%Added
GoalVest Advisory LLC206$198.8K0.04%+6+3.0%Added
Entrust Financial LLC207$199.8K0.13%+187+935.0%Added
Schubert & Co208$200.7K0.14%+208New
Financial Symmetry Inc208$200.7K0.07%+208New
Trilogy Capital Inc.209$201.7K0.01%+209New
JFS Wealth Advisors, LLC209$201.7K0.01%+2+1.0%Added
Lumbard & Kellner, LLC210$202.7K0.06%+210New
Howard Financial Services, Ltd.210$202.7K0.02%+210New
Wealth Management Partners, LLC210$202.7K0.05%+210New
Quadrant Private Wealth Management, LLC210$202.8K0.05%+210New
Financial Partners Group, Inc210$203.1K0.02%+210New
Morton Brown Family Wealth, LLC211$203.6K0.05%00.0%Unchanged
Meiji Yasuda Life Insurance Co211$203.6K0.01%+211New
Prevail Innovative Wealth Advisors, LLC211$203.6K0.03%+211New
Private Client Services, LLC211$203.6K0.05%+211New
Sbe LLC Dba Cedar Cove Wealth Partners211$204.0K0.10%+211New
PTM Wealth Management, LLC240$204.4K0.09%+240New
Blue Bell Private Wealth Management, LLC212$204.6K0.03%+3+1.4%Added
Brave Asset Management Inc212$204.6K0.04%+212New
Aegis Wealth Management LLC212$204.6K0.10%+212New
Carson Advisory Inc.212$204.6K0.09%+212New
Family Management Corp213$205.5K0.02%+213New
Legacy Edge Advisors, LLC213$205.5K0.02%+213New
Vantus Wealth LLC213$205.5K0.11%+213New
Robertson Stephens Wealth Management, LLC213$205.7K0.01%+213New
Wilkerson Advisory Group LLC214$206.5K0.06%+81+60.9%Added
Cornerstone Advisory, LLC214$206.5K0.02%+214New
Heritage Wealth Management, Inc.214$206.5K0.05%+214New
NBH Bank214$206.5K0.09%+214New
Cedarwood Wealth LLC214$206.5K0.16%+214New
Phillips Financial Management, LLC216$208.4K0.02%+216New
Heron Bay Capital Management216$208.4K0.02%+216New
Planwiser Financial, LLC216$208.4K0.14%+216New
Krane Financial Solutions LLC216$208.4K0.13%+216New
Proffitt & Goodson Inc217$209.4K0.03%00.0%Unchanged
Byrne Financial Freedom, LLC217$209.4K0.08%+217New
Crawford Investment Counsel Inc217$209.7K0.00%+217New
Ethos Financial Group, LLC275$210.2K0.01%−374−57.6%Reduced
Heartland Bank & Trust Co219$211.3K0.04%+219New
Essex Savings Bank220$212.3K0.05%+220New
Spinnaker Investment Group, LLC220$212.3K0.03%+220New
StoryOne LLC220$212.3K0.10%+220New
August Group Capital Ltd221$212.3K0.23%+221New
MBM Wealth Consultants, LLC223$215.2K0.04%+4+1.8%Added
First Growth Capital LLC223$215.2K0.16%+223New
Curated Wealth Partners LLC224$216.2K0.03%+224New
Headland Capital, LLC224$216.2K0.05%+224New
Smithbridge Asset Management Inc225$217.1K0.03%+225New
Wealthcare Capital Partners, LLC225$217.4K0.09%+225New
Granite Bay Wealth Management, LLC227$219.0K0.02%+227New
Vermillion Wealth Management, Inc.227$219.1K0.05%−17−7.0%Reduced
New York State Common Retirement Fund227$219.1K0.00%+227New
Consolidated Planning Corp227$219.1K0.03%+227New
Orin Green Financial, LLC227$219.1K0.08%+227New
Palumbo Wealth Management LLC227$219.1K0.05%+227New
Wealthstar Advisors, LLC228$220.0K0.11%+228New
Ballast, Inc.230$221.9K0.04%+230New
Clarendon Private LLC231$222.9K0.14%+231New
FSB Premier Wealth Management, Inc.232$223.9K0.06%+232New
Clear Wave Wealth Management LLC232$223.9K0.05%+232New
Foundation Wealth Management, LLC233$224.8K0.07%+233New
Tiemann Investment Advisors, LLC233$224.8K0.08%+233New
Concentrum Wealth Management234$225.8K0.05%+234New
Commonwealth Retirement Investments LLC234$225.8K0.06%+234New
Mainsail Asset Management, LLC287$226.1K0.09%+287New
Hamilton Capital, LLC235$226.8K0.01%+235New
Potentia Wealth235$226.8K0.09%+235New
West Branch Capital LLC236$227.7K0.05%−21−8.2%Reduced
ODonnell Financial Services, LLC236$227.7K0.07%+236New
Ballast Rock Private Wealth LLC236$227.8K0.11%+236New
Heritage Oak Wealth Advisors LLC236$227.9K0.07%+236New
New World Advisors LLC237$228.7K0.04%+237New
Sutton Place Investors LLC237$228.7K0.11%+237New
Strategic Investment Advisors237$228.9K0.01%+237New
Lantz Financial LLC238$229.7K0.04%+238New
Everest Management Corp.239$230.6K0.09%+239New
ISAM Funds (UK) Ltd240$231.6K0.16%+240New
Werba Rubin Papier Wealth Management241$232.6K0.03%+241New
Cardinal Point Capital Management, ULC241$232.7K0.01%+241New
Carnegie Capital Asset Management, LLC242$233.5K0.00%+242New
Amplius Wealth Advisors, LLC242$233.5K0.02%+242New
Atlantic Union Bankshares Corp244$235.5K0.00%+189+343.6%Added
Shepherd Street Advisors LLC285$236.1K0.21%+285New
Juncture Wealth Strategies, LLC245$236.4K0.06%−507−67.4%Reduced
Pinnacle Family Advisors, LLC245$236.4K0.10%+245New
Strategic Investment Solutions, Inc.245$236.4K0.05%+245New
Disciplined Investors, L.L.C.245$236.4K0.12%+245New
Nvest Financial, LLC246$237.3K0.08%+246New