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

Several institutional investors tracked by InsiderSet reduced exposure to GENMAB A/S -SP ADR (GMAB) during the quarter ended March 31, 2026 based on sequential SEC Form 13F filings.

The largest disclosed institutional seller of GMAB during the latest reporting period reduced its reported position by approximately $674,680.587 based on quarter-end filing values.

Institutional selling activity may reflect profit-taking, sector rotation, portfolio rebalancing, or changing conviction levels among major investment firms. InsiderSet tracks quarter-over-quarter holding reductions, full exits, estimated value changes, and historical selling activity using publicly disclosed SEC filing data.

The investors covered on this page collectively reduced approximately $2.05M in reported GMAB exposure during the latest filing period, although many institutional holders continue to maintain significant long-term ownership positions in GENMAB A/S -SP ADR.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Sequoia Financial AdvisorsSell-5,20127,136$728,049
Q2 2025Sequoia Financial AdvisorsSell-1,70420,419$421,863
Q1 2025Sequoia Financial AdvisorsSell-8122,123$433,175
Q3 2024Sequoia Financial AdvisorsSell-2117,369$423,456
Q2 2024Sequoia Financial AdvisorsSell-2,41717,390$437,011
Q1 2024Renaissance Technologies LLCSell-136,2001,358,600$40,636
Q1 2024Sequoia Financial AdvisorsSell-22,55719,807$592,428
Q3 2023Torray FundSell-4,276104,516$3,686,279
Q2 2023Renaissance Technologies LLCSell-210,500839,100$31,894
Q2 2023Torray FundSell-2,015108,792$4,135,184
Q1 2023Renaissance Technologies LLCSell-141,1001,049,600$39,633
Q1 2023Torray FundSell-17,757110,807$4,184,072
Q1 2023Sequoia Financial AdvisorsSell-88819,627$741,116
Q4 2022Torray FundSell-2,866128,564$5,448,542
Q3 2022Renaissance Technologies LLCSell-63,800916,400$29,444
Q3 2022Torray FundSell-278131,430$4,223
Q2 2022Renaissance Technologies LLCSell-108,300980,200$31,847
Q2 2022Torray FundSell-1,464131,708$4,279
Q1 2022Torray FundSell-6,218133,172$4,818
Q4 2021Torray FundSell-6,308139,390$5,514
Q3 2021Torray FundSell-1,076145,698$6,367
Q2 2021Renaissance Technologies LLCSell-107,400884,900$36,130
Q1 2021Renaissance Technologies LLCSell-318,900992,300$32,577
Q4 2020Renaissance Technologies LLCSell-352,0001,311,200$53,313
Q4 2020Torray FundSell-6,266145,198$5,904
Q4 2020Viking Global InvestorsSell-842377,562$15,352
Q3 2020Viking Global InvestorsSell-196,682378,404$13,853
Q3 2020Torray FundSell-5,176151,464$5,545
Q2 2020Viking Global InvestorsSell-265,899575,086$19,490
Q2 2020Torray FundSell-22,786156,640$5,309

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.