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
Q2 2018Viking Global InvestorsBuy1,577,2913,259,757$307,069
Q2 2018Torray FundSell-8,301241,695$22,768
Q1 2018Viking Global InvestorsBuy1,422,8101,682,466$136,398
Q1 2018Renaissance Technologies LLCSell-132,800128,571$10,423
Q1 2018Torray FundBuy2,197249,996$20,267
Q4 2017Renaissance Technologies LLCSell-58,900261,371$23,306
Q4 2017Torray FundBuy19,003247,799$22,096
Q3 2017Renaissance Technologies LLCBuy193,400320,271$29,808
Q3 2017Torray FundBuy1,436228,796$21,294
Q2 2017Viking Global InvestorsSell-616,457259,656$23,582
Q2 2017Renaissance Technologies LLCBuy87,500126,871$11,522
Q2 2017Torray FundSell-19,125227,360$20,649
Q1 2017Viking Global InvestorsSell-522,344876,113$76,905
Q1 2017Torray FundSell-3,953246,485$21,636
Q4 2016Viking Global InvestorsBuy908,1531,398,457$115,848
Q4 2016Renaissance Technologies LLCSell-92,70039,371$3,261
Q4 2016Torray FundBuy55,546250,438$20,746
Q4 2016ARK InvestBuy960960$80
Q3 2016Torray FundSell-169,288194,892$18,031
Q3 2016Viking Global InvestorsSell-111,812490,304$45,363
Q2 2016Torray FundSell-83,820364,180$28,333
Q1 2016Viking Global InvestorsBuy602,116602,116$49,663
Q1 2016Torray FundBuy218,035448,000$36,951
Q1 2016Renaissance Technologies LLCSell-61,500132,071$10,893
Q4 2015Renaissance Technologies LLCSell-69,000193,571$20,278
Q4 2015Torray FundBuy2,120229,965$24,091
Q3 2015Renaissance Technologies LLCBuy138,900262,571$27,654
Q3 2015Torray FundSell-2,350227,845$23,997
Q2 2015Renaissance Technologies LLCSell-156,400123,671$16,916
Q2 2015Torray FundSell-26,260230,195$31,486

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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