HOLOGIC INC (HOLX) Institutional Ownership Changes & 13F Activity

HOLOGIC INC (HOLX) 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 Sequoia Financial Advisors, Hancock Classic Value, Renaissance Technologies LLC, Jensen Investment Management, and Sound Shore Management.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Sequoia Financial AdvisorsBuy2,77424,029$1,816,359
Q1 2026Hancock Classic ValueSell-1453,964$299,639
Q4 2025Renaissance Technologies LLCBuy399,4001,323,090$98,556,974
Q4 2025Jensen Investment ManagementSell-33,05028,000$2,085,720
Q4 2025Sequoia Financial AdvisorsBuy1,71921,255$1,583,288
Q4 2025Hancock Classic ValueBuy1,0794,109$306,079
Q3 2025Renaissance Technologies LLCSell-289,623923,690$62,339,838
Q3 2025Sound Shore ManagementSell-45,0371,337,653$90,278,201
Q3 2025Sequoia Financial AdvisorsBuy8,19419,536$1,318,487
Q3 2025Jensen Investment ManagementBuy2,82061,050$4,120,265
Q3 2025Olstein Capital ManagementSell-2,000113,000$7,626
Q2 2025Renaissance Technologies LLCSell-618,2181,213,313$79,059,475
Q2 2025Jensen Investment ManagementBuy6,90058,230$3,794,267
Q2 2025Sequoia Financial AdvisorsBuy5,06311,342$739,045
Q2 2025Sound Shore ManagementSell-9381,382,690$90,096,080
Q1 2025Renaissance Technologies LLCSell-647,8001,831,531$113,133,670
Q1 2025Sound Shore ManagementBuy413,4031,383,628$85,466,702
Q1 2025Parnassus Endeavor FundSell-336,550726,871$44,898,822
Q1 2025Olstein Capital ManagementBuy25,000115,000$7,104
Q1 2025Kahn Brothers GroupSell-9,83419,757$1,220,644
Q1 2025Sequoia Financial AdvisorsSell-2,1896,279$387,854
Q1 2025Jensen Investment ManagementBuy57051,330$3,170,654
Q4 2024Renaissance Technologies LLCSell-338,8592,479,331$178,734,972
Q4 2024Parnassus Endeavor FundSell-105,3281,063,421$76,662,020
Q4 2024Jensen Investment ManagementBuy50,76050,760$3,659,288
Q4 2024Sound Shore ManagementSell-46,739970,225$69,943,521
Q4 2024Olstein Capital ManagementBuy5,00090,000$6,488
Q4 2024Kahn Brothers GroupBuy4,00029,591$2,133,617
Q4 2024Sequoia Financial AdvisorsBuy1,0808,468$610,459
Q3 2024Renaissance Technologies LLCBuy274,4062,818,190$229,569,757

Frequently asked questions about HOLX activity

  • Which institutional owners are buying HOLX?

    Institutional owners buying HOLX 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 HOLX activity?

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

  • Is institutional interest in HOLX increasing?

    Institutional interest in HOLX 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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