BIOMARIN PHARMACEUTICAL INC (BMRN) Institutional Ownership Changes & 13F Activity

BIOMARIN PHARMACEUTICAL INC (BMRN) 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 Viking Global Investors, Renaissance Technologies LLC, Torray Fund, Dodge & Cox Stock Fund, and Sequoia Financial Advisors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2020Torray FundSell-2,26366,127$5,799
Q3 2020Dodge & Cox Stock FundBuy4,104,4837,720,223$587,355
Q3 2020Parnassus Endeavor FundBuy97,349187,069$14,232
Q3 2020Torray FundBuy14,32068,390$5,203
Q2 2020Dodge & Cox Stock FundSell-326,7683,615,740$445,965
Q2 2020Parnassus Endeavor FundBuy89,72089,720$11,066
Q2 2020Torray FundSell-6,47254,070$6,669
Q1 2020Dodge & Cox Stock FundSell-447,0073,942,508$333,142
Q1 2020Renaissance Technologies LLCSell-183,37119,100$1,614
Q1 2020Viking Global InvestorsSell-168,1141,453,625$122,831
Q1 2020Torray FundBuy4,03760,542$5,116
Q4 2019Dodge & Cox Stock FundBuy4,389,5154,389,515$371,133
Q4 2019Viking Global InvestorsSell-1,436,3651,621,739$137,118
Q4 2019Renaissance Technologies LLCSell-353,600202,471$17,119
Q4 2019Torray FundSell-145,45056,505$4,777
Q3 2019Viking Global InvestorsBuy467,7533,058,104$206,116
Q3 2019Renaissance Technologies LLCBuy18,700556,071$37,479
Q3 2019Torray FundBuy954201,955$13,612
Q2 2019Viking Global InvestorsSell-2,538,5582,590,351$221,864
Q2 2019Renaissance Technologies LLCBuy215,400537,371$46,026
Q2 2019Torray FundSell-19,086201,001$17,216
Q1 2019Renaissance Technologies LLCBuy278,400321,971$28,601
Q1 2019Viking Global InvestorsBuy37,2725,128,909$455,601
Q1 2019Torray FundSell-4,552220,087$19,550
Q4 2018Viking Global InvestorsBuy962,6965,091,637$433,553
Q4 2018Renaissance Technologies LLCSell-163,40043,571$3,710
Q4 2018Torray FundSell-12,632224,639$19,128
Q3 2018Viking Global InvestorsBuy869,1844,128,941$400,383
Q3 2018Renaissance Technologies LLCBuy78,400206,971$20,070
Q3 2018Torray FundSell-4,424237,271$23,008

Frequently asked questions about BMRN activity

  • Which institutional owners are buying BMRN?

    Institutional owners buying BMRN 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 BMRN activity?

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

  • Is institutional interest in BMRN increasing?

    Institutional interest in BMRN 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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