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
Q4 2016Renaissance Technologies LLCBuy873,6001,463,618$58,720
Q4 2016Kahn Brothers GroupSell-37,1101,197,404$48,039,849
Q4 2016Olstein Capital ManagementSell-3,000184,000$7,382
Q3 2016Renaissance Technologies LLCSell-677,900590,018$22,910
Q3 2016Kahn Brothers GroupSell-42,4701,234,514$47,936,178
Q2 2016Olstein Capital ManagementBuy187,000187,000$6,470
Q2 2016Kahn Brothers GroupSell-49,5001,276,984$44,149,046
Q1 2016Renaissance Technologies LLCSell-399,2001,267,918$43,743
Q1 2016Kahn Brothers GroupSell-23,7671,326,484$45,763,699
Q4 2015Renaissance Technologies LLCBuy1,492,7181,667,118$64,501
Q4 2015Kahn Brothers GroupBuy8,2391,350,251$52,241,211
Q3 2015Icahn Capital ManagementSell-6,000,00028,154,879$1,101,700
Q3 2015Kahn Brothers GroupSell-17,8001,342,012$52,512,930
Q2 2015Renaissance Technologies LLCSell-1,326,918174,400$6,638
Q2 2015Kahn Brothers GroupSell-17,9901,359,812$51,754,444
Q1 2015Renaissance Technologies LLCSell-759,3001,501,318$49,581
Q1 2015Matrix Advisors Value FundSell-454,107506,181$16,717
Q1 2015Kahn Brothers GroupSell-42,6401,377,802$45,501,912
Q4 2014Renaissance Technologies LLCBuy686,4002,260,618$60,449
Q4 2014Kahn Brothers GroupSell-120,7171,420,442$11,813,971
Q4 2014Matrix Advisors Value FundBuy34,668960,288$25,678
Q3 2014Renaissance Technologies LLCBuy624,8001,574,218$38,301
Q3 2014Kahn Brothers GroupSell-5701,541,159$37,496,398
Q3 2014Matrix Advisors Value FundSell-518925,620$22,520
Q2 2014Renaissance Technologies LLCBuy582,933949,418$24,068
Q2 2014Kahn Brothers GroupSell-15,2501,541,729$39,082,831
Q2 2014Matrix Advisors Value FundSell-7,445926,138$23,478
Q1 2014Matrix Advisors Value FundBuy326,841933,583$20,072
Q1 2014Kahn Brothers GroupBuy207,4091,556,979$33,475,049
Q4 2013Icahn Capital ManagementBuy34,154,87934,154,879$763,361

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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