GENMAB A/S -SP ADR (GMAB) Institutional Ownership Changes & 13F Activity
GENMAB A/S -SP ADR (GMAB). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Paradigm Biocapital Advisors Lp, Deerfield Management Company, L.P., Sofinnova Investments, Inc., Citadel Advisors Llc, and Deep Track Capital, Lp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Envestnet Asset Management Inc | Sell | -32,614 | -3.8% | 829,687 | $22.79M | Q2 2026 | Sep 23, 2026 |
| Qrg Capital Management, Inc. | Buy | +6,821 | +10.4% | 72,643 | $2.00M | Q2 2026 | Sep 23, 2026 |
| M&T Bank Corp | Sell | -9,462 | -100.0% | 0 | $0.00 | Q2 2026 | Sep 04, 2026 |
| Citadel Advisors Llc | Buy | +2,475,991 | — | 2,475,991 | $68.02M | Q2 2026 | Sep 02, 2026 |
| Brown, Lisle/Cummings, Inc. | Sell | -9 | -11.7% | 68 | $1.87K | Q2 2026 | Sep 02, 2026 |
| Cornerstone Financial Management Llc | Buy | +110 | +154.9% | 181 | $4.97K | Q2 2026 | Aug 28, 2026 |
| Corient Private Wealth Llc | Sell | -350 | -2.1% | 16,297 | $447.67K | Q2 2026 | Aug 27, 2026 |
| Mercer Global Advisors Inc | Sell | -7,627 | -29.3% | 18,434 | $506.38K | Q2 2026 | Aug 19, 2026 |
| Transamerica Financial Advisors, Llc | Buy | +50 | +26.5% | 239 | $6.57K | Q2 2026 | Aug 17, 2026 |
| Paradigm Biocapital Advisors Lp | Buy | +5,165,295 | +64.8% | 13,133,131 | $360.77M | Q2 2026 | Aug 14, 2026 |
| Deerfield Management Company, L.P. | Buy | +4,403,000 | +178.8% | 6,865,000 | $188.58M | Q2 2026 | Aug 14, 2026 |
| Sofinnova Investments, Inc. | Buy | +3,292,954 | +437.7% | 4,045,215 | $111.12M | Q2 2026 | Aug 14, 2026 |
| Deep Track Capital, Lp | Buy | +1,986,750 | +54.2% | 5,650,000 | $155.21M | Q2 2026 | Aug 14, 2026 |
| Orbis Allan Gray Ltd | Sell | -1,557,417 | -12.0% | 11,368,161 | $312.28M | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Buy | +1,167,411 | +49.9% | 3,506,843 | $96.33M | Q2 2026 | Aug 14, 2026 |
| Qube Research & Technologies Ltd | Buy | +1,011,938 | +149.4% | 1,689,284 | $46.40M | Q2 2026 | Aug 14, 2026 |
| Alliancebernstein L.P. | Sell | -912,272 | -9.5% | 8,644,877 | $231.94M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +347,972 | +37.4% | 1,279,231 | $35.14M | Q2 2026 | Aug 14, 2026 |
| Summittx Capital, L.P. | Buy | +234,054 | +277.5% | 318,408 | $8.75M | Q2 2026 | Aug 14, 2026 |
| Superstring Capital Management Lp | Buy | +233,891 | +118.9% | 430,600 | $11.83M | Q2 2026 | Aug 14, 2026 |
| Moore Capital Management, Lp | Buy | +208,782 | +98.6% | 420,487 | $11.55M | Q2 2026 | Aug 14, 2026 |
| Caption Management, Llc | Buy | +199,774 | — | 199,774 | $5.49M | Q2 2026 | Aug 14, 2026 |
| Alyeska Investment Group, L.P. | Buy | +158,893 | +24.6% | 804,374 | $22.10M | Q2 2026 | Aug 14, 2026 |
| Harding Loevner Lp | Sell | -145,283 | -4.5% | 3,086,318 | $86.90M | Q2 2026 | Aug 14, 2026 |
| Point72 Asset Management, L.P. | Buy | +135,647 | — | 135,647 | $3.73M | Q2 2026 | Aug 14, 2026 |
| Woodline Partners Lp | Buy | +133,387 | — | 133,387 | $3.66M | Q2 2026 | Aug 14, 2026 |
| Schonfeld Strategic Advisors Llc | Buy | +127,886 | +949.6% | 141,353 | $3.88M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Buy | +118,311 | +14.9% | 910,604 | $25.01M | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Buy | +66,311 | +67.4% | 164,743 | $4.53M | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +60,207 | — | 60,207 | $1.65M | Q2 2026 | Aug 14, 2026 |
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.
Related GMAB Institutional Insights
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- GMAB Insider Trading & SEC Form 4 Activity
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