GENMAB A/S -SP ADR (GMAB) Stock Institutional Trading Activity


GENMAB A/S -SP ADR (GMAB) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Sequoia Financial Advisors, Torray Fund, and Viking Global Investors. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2022Sequoia Financial AdvisorsBuy11,77720,515$869,426
Q3 2022Torray FundSell-278131,430$4,223
Q3 2022Renaissance Technologies LLCSell-63,800916,400$29,444
Q2 2022Torray FundSell-1,464131,708$4,279
Q2 2022Renaissance Technologies LLCSell-108,300980,200$31,847
Q1 2022Torray FundSell-6,218133,172$4,818
Q1 2022Sequoia Financial AdvisorsBuy2,9858,738$316
Q1 2022Renaissance Technologies LLCBuy14,1001,088,500$39,382
Q4 2021Torray FundSell-6,308139,390$5,514
Q4 2021Sequoia Financial AdvisorsBuy7005,753$228
Q4 2021Renaissance Technologies LLCBuy175,6001,074,400$42,503
Q3 2021Torray FundSell-1,076145,698$6,367
Q3 2021Renaissance Technologies LLCBuy13,900898,800$39,278
Q2 2021Torray FundBuy513146,774$5,993
Q2 2021Sequoia Financial AdvisorsBuy5,0535,053$206
Q2 2021Renaissance Technologies LLCSell-107,400884,900$36,130
Q1 2021Torray FundBuy1,063146,261$4,802
Q1 2021Renaissance Technologies LLCSell-318,900992,300$32,577
Q4 2020Torray FundSell-6,266145,198$5,904
Q4 2020Viking Global InvestorsSell-842377,562$15,352
Q4 2020Renaissance Technologies LLCSell-352,0001,311,200$53,313
Q3 2020Torray FundSell-5,176151,464$5,545
Q3 2020Viking Global InvestorsSell-196,682378,404$13,853
Q3 2020Renaissance Technologies LLCBuy560,1031,663,200$60,890
Q2 2020Torray FundSell-22,786156,640$5,309
Q2 2020Viking Global InvestorsSell-265,899575,086$19,490
Q2 2020Renaissance Technologies LLCBuy954,6971,103,097$37,384
Q1 2020Torray FundBuy19,507179,426$3,802
Q1 2020Renaissance Technologies LLCBuy148,400148,400$3,145
Q1 2020Viking Global InvestorsBuy255,676840,985$17,820

Frequently asked questions about GMAB activity

  • Which institutional owners are buying GMAB?

    Institutional owners buying GMAB 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 GMAB activity?

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

  • Is institutional interest in GMAB increasing?

    Institutional interest in GMAB 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.