XLB Institutional Ownership Changes & 13F Activity

MATERIALS SELECT SECTOR SPDR (XLB) 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, Mairs & Power Growth Fund, and Matrix Private Capital Group.

Related XLB insights

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCBuy6,20029,600$1,479,112
Q1 2026Sequoia Financial AdvisorsBuy2,5917,081$353,838
Q4 2025Renaissance Technologies LLCSell-38,90023,400$1,061,190
Q4 2025Mairs & Power Growth FundBuy5,2605,260$238,541
Q3 2025Renaissance Technologies LLCSell-47,00062,300$5,583,326
Q3 2025Sequoia Financial AdvisorsBuy1394,490$402,418
Q2 2025Sequoia Financial AdvisorsSell-594,351$382,084
Q1 2025Sequoia Financial AdvisorsSell-3204,410$379,176
Q4 2024Sequoia Financial AdvisorsBuy2544,730$397,991
Q3 2024Renaissance Technologies LLCSell-30,600109,300$10,534,334
Q3 2024Sequoia Financial AdvisorsBuy1,1554,476$431,373
Q2 2024Sequoia Financial AdvisorsSell-33,321$293,259
Q1 2024Renaissance Technologies LLCBuy17,200139,900$12,995
Q1 2024Sequoia Financial AdvisorsSell-483,324$308,799
Q4 2023Sequoia Financial AdvisorsBuy3373,372$288,424
Q3 2023Sequoia Financial AdvisorsSell-1963,035$238,390
Q2 2023Renaissance Technologies LLCBuy114,100122,700$10,168
Q2 2023Sequoia Financial AdvisorsSell-1,8093,231$267,791
Q4 2022Renaissance Technologies LLCSell-4,6008,600$668
Q3 2022Renaissance Technologies LLCSell-64,30013,200$898
Q2 2022Renaissance Technologies LLCBuy57,10077,500$5,704
Q1 2022Renaissance Technologies LLCBuy30020,400$1,798
Q4 2021Renaissance Technologies LLCSell-45,40020,100$1,821
Q3 2021Matrix Private Capital GroupBuy3453$4
Q2 2021Renaissance Technologies LLCSell-15,90065,500$5,391
Q2 2021Matrix Private Capital GroupBuy1919$2
Q1 2021Renaissance Technologies LLCSell-38,60081,400$6,414
Q3 2020Renaissance Technologies LLCBuy82,600120,000$7,637
Q2 2020Renaissance Technologies LLCBuy7,20037,400$2,107
Q4 2019Renaissance Technologies LLCSell-88,90030,200$1,855

Frequently asked questions about XLB activity

  • Which institutional owners are buying XLB?

    Institutional owners buying XLB 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 XLB activity?

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

  • Is institutional interest in XLB increasing?

    Institutional interest in XLB 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.