SEAGATE TECHNOLOGY HLDNGS PL (STX) Institutional Ownership Changes & 13F Activity

SEAGATE TECHNOLOGY HLDNGS PL (STX) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Sequoia Financial Advisors, Egerton Capital UK, Situational Awareness Partners, and Causeway Capital Management.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCSell-71,399310,494$121,639,129
Q1 2026Sequoia Financial AdvisorsBuy2,21111,689$4,579,354
Q4 2025Egerton Capital UKSell-863,658729,325$200,848,812
Q4 2025Renaissance Technologies LLCBuy324,829381,893$105,169,513
Q4 2025Sequoia Financial AdvisorsBuy2,5399,478$2,610,188
Q3 2025Renaissance Technologies LLCSell-528,22957,064$13,470,528
Q3 2025Egerton Capital UKSell-458,4511,592,983$376,039,567
Q3 2025Situational Awareness PartnersBuy48,56748,567$11,464,726
Q3 2025Sequoia Financial AdvisorsBuy1,5706,939$1,638,085
Q2 2025Egerton Capital UKBuy2,051,4342,051,434$296,083,469
Q2 2025Renaissance Technologies LLCBuy513,300585,293$84,475,339
Q2 2025Sequoia Financial AdvisorsBuy1,4785,369$774,889
Q1 2025Renaissance Technologies LLCSell-955,80071,993$6,115,805
Q1 2025Sequoia Financial AdvisorsBuy1163,891$330,512
Q4 2024Renaissance Technologies LLCBuy300,4001,027,793$88,708,814
Q4 2024Sequoia Financial AdvisorsBuy1,2153,775$325,863
Q3 2024Renaissance Technologies LLCBuy606,500727,393$79,671,355
Q3 2024Causeway Capital ManagementSell-52,051330,110$36,156,932
Q3 2024Sequoia Financial AdvisorsBuy892,560$280,522
Q2 2024Causeway Capital ManagementSell-157,035382,161$39,465,714
Q2 2024Renaissance Technologies LLCBuy71,500120,893$12,484,620
Q2 2024Thunderbird PartnersSell-70,148490,160$50,618,823
Q2 2024Sequoia Financial AdvisorsSell-1,8822,471$255,299
Q1 2024Causeway Capital ManagementBuy81,126539,196$50,197,911
Q1 2024Thunderbird PartnersSell-75,695560,308$52,136,659
Q4 2023ValueAct HoldingsSell-7,424,722262,348$22,396,649
Q4 2023Thunderbird PartnersBuy636,003636,003$54,295,576
Q4 2023Causeway Capital ManagementBuy458,070458,070$39,105,428
Q4 2023Sequoia Financial AdvisorsSell-1034,353$371,620
Q3 2023ValueAct HoldingsSell-5,750,0007,687,070$506,962,267

Frequently asked questions about STX activity

  • Which institutional owners are buying STX?

    Institutional owners buying STX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in STX activity?

    "Buy" means an investor increased their reported position in STX compared to the prior reporting period. This reflects growing exposure to SEAGATE TECHNOLOGY HLDNGS PL (STX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in STX increasing?

    Institutional interest in STX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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