TECHNOLOGY SELECT SECT SPDR (XLK) Stock Institutional Trading Activity


TECHNOLOGY SELECT SECT SPDR (XLK) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Mairs & Power Growth Fund, Matrix Advisors Value Fund, Matrix Private Capital Group, and Sequoia Financial Advisors. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Matrix Private Capital GroupBuy265529$76,136
Q4 2025Matrix Advisors Value FundBuy1,1582,316$333,439
Q4 2025Mairs & Power Growth FundBuy2,2354,470$643,575
Q4 2025Renaissance Technologies LLCBuy39,74047,840$6,887,525
Q3 2025Matrix Advisors Value FundBuy81,158$326,397
Q3 2025Mairs & Power Growth FundSell-2,0112,235$630,015
Q3 2025Renaissance Technologies LLCBuy8008,100$2,283,066
Q3 2025Sequoia Financial AdvisorsBuy11,57850,414$14,209,666
Q2 2025Matrix Private Capital GroupSell-54264$66,853
Q2 2025Mairs & Power Growth FundBuy594,246$1,075,266
Q2 2025Renaissance Technologies LLCBuy2,7007,300$1,848,579
Q2 2025Sequoia Financial AdvisorsBuy1,05738,836$9,834,533
Q1 2025Matrix Advisors Value FundSell-301,150$237,452
Q1 2025Mairs & Power Growth FundSell-2,1724,187$864,574
Q1 2025Renaissance Technologies LLCSell-7,6004,600$949,808
Q1 2025Sequoia Financial AdvisorsBuy5,60137,779$7,800,605
Q4 2024Mairs & Power Growth FundBuy2156,359$1,478,642
Q4 2024Sequoia Financial AdvisorsBuy5,51432,178$7,482,060
Q3 2024Matrix Private Capital GroupBuy44318$71,792
Q3 2024Mairs & Power Growth FundSell-1,8456,144$1,387,116
Q3 2024Sequoia Financial AdvisorsBuy95526,664$6,019,768
Q2 2024Matrix Advisors Value FundSell-501,180$267,000
Q2 2024Mairs & Power Growth FundSell-4607,989$1,807,398
Q2 2024Sequoia Financial AdvisorsBuy1,62925,709$5,816,142
Q1 2024Renaissance Technologies LLCSell-1,60012,200$2,541
Q1 2024Mairs & Power Growth FundBuy3608,449$1,759,716
Q1 2024Sequoia Financial AdvisorsBuy92724,080$5,015,219
Q4 2023Matrix Private Capital GroupSell-167274$52,740
Q4 2023Matrix Advisors Value FundSell-301,230$236,750
Q4 2023Mairs & Power Growth FundBuy3778,089$1,557,010

Frequently asked questions about XLK activity

  • Which institutional owners are buying XLK?

    Institutional owners buying XLK 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 XLK activity?

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

  • Is institutional interest in XLK increasing?

    Institutional interest in XLK 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.