GENMAB A/S -SP ADR (GMAB) Institutional Shareholders
GENMAB A/S -SP ADR (GMAB) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $2.76B in GMAB holdings during the latest filing period.
Paradigm Biocapital Advisors Lp is currently the largest disclosed institutional shareholder of GMAB tracked by InsiderSet, reporting ownership valued at approximately $360.77M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $433.66M, representing an estimated gain of +20.20% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 66% of the total disclosed GMAB value among the investors covered in this analysis. Major shareholders include Paradigm Biocapital Advisors Lp, Orbis Allan Gray Ltd, Alliancebernstein L.P., and several other long-term asset managers with concentrated positions in GENMAB A/S -SP ADR (GMAB).
This page ranks the largest institutional GMAB shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
281
Total Reported Value
$2.76B
Largest Holder
Paradigm Biocapital Advisors Lp
Largest Position
$360.77M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
51
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Paradigm Biocapital Advisors Lp | 6.76% | 13,133,131 | $360,767,109 | $433,655,986 | +$72,888,877 | +20.20% | |
| Orbis Allan Gray Ltd | 1.07% | 11,368,161 | $312,283,383 | $375,376,676 | +$63,093,293 | +20.20% | |
| Alliancebernstein L.P. | 0.08% | 8,644,877 | $231,942,050 | $285,453,839 | +$53,511,789 | +23.07% | |
| Deerfield Management Company, L.P. | 1.97% | 6,865,000 | $188,581,550 | $226,682,300 | +$38,100,750 | +20.20% | |
| Deep Track Capital, Lp | 2.29% | 5,650,000 | $155,205,500 | $186,563,000 | +$31,357,500 | +20.20% | |
| Arrowstreet Capital, Limited Partnership | 0.06% | 4,975,324 | $136,672,150 | $164,285,198 | +$27,613,048 | +20.20% | |
| Blackrock, Inc. | 0.00% | 4,671,252 | $128,319,300 | $154,244,741 | +$25,925,441 | +20.20% | |
| Sofinnova Investments, Inc. | 5.94% | 4,045,215 | $111,122,056 | $133,572,999 | +$22,450,943 | +20.20% | |
| Renaissance Technologies LLC | Jim Simons | 0.13% | 3,517,850 | $96,635,340 | $116,159,407 | +$19,524,067 | +20.20% |
| Two Sigma Investments, Lp | 0.07% | 3,506,843 | $96,332,977 | $115,795,956 | +$19,462,979 | +20.20% | |
| Harding Loevner Lp | 0.82% | 3,086,318 | $86,898,395 | $101,910,220 | +$15,011,825 | +17.28% | |
| First Trust Advisors Lp | 0.04% | 2,756,522 | $75,721,659 | $91,020,356 | +$15,298,697 | +20.20% | |
| Citadel Advisors Llc | 0.04% | 2,475,991 | $68,015,473 | $81,757,223 | +$13,741,750 | +20.20% | |
| Qube Research & Technologies Ltd | 0.05% | 1,689,284 | $46,404,631 | $55,780,158 | +$9,375,527 | +20.20% | |
| Morgan Stanley | 0.00% | 1,630,161 | $44,780,611 | $53,827,916 | +$9,047,305 | +20.20% | |
| Federated Hermes, Inc. | 0.06% | 1,449,376 | $39,814,359 | $47,858,396 | +$8,044,037 | +20.20% | |
| Goldman Sachs Group Inc | 0.00% | 1,279,231 | $35,140,476 | $42,240,208 | +$7,099,732 | +20.20% | |
| Pictet Asset Management Holding Sa | 0.03% | 1,065,927 | $29,281,015 | $35,196,910 | +$5,915,895 | +20.20% | |
| Ubs Group Ag | 0.00% | 961,053 | $26,400,126 | $31,733,970 | +$5,333,844 | +20.20% | |
| Perpetual Ltd | 0.36% | 919,048 | $25,246,248 | $30,346,965 | +$5,100,717 | +20.20% | |
| Northern Trust Corp | 0.00% | 916,600 | $25,179,002 | $30,266,132 | +$5,087,130 | +20.20% | |
| Millennium Management Llc | 0.02% | 910,604 | $25,014,292 | $30,068,144 | +$5,053,852 | +20.20% | |
| Russell Investments Group, Ltd. | 0.02% | 883,430 | $24,267,837 | $29,170,859 | +$4,903,022 | +20.20% | |
| Envestnet Asset Management Inc | 0.01% | 829,687 | $22,791,195 | $27,396,265 | +$4,605,070 | +20.21% | |
| Marshall Wace, Llp | 0.02% | 829,659 | $22,790,732 | $27,395,340 | +$4,604,608 | +20.20% | |
| Alyeska Investment Group, L.P. | 0.06% | 804,374 | $22,096,154 | $26,560,429 | +$4,464,275 | +20.20% | |
| Fmr Llc | 0.00% | 764,694 | $21,006,170 | $25,250,196 | +$4,244,026 | +20.20% | |
| Jpmorgan Chase & Co | 0.00% | 744,815 | $19,380,135 | $24,593,791 | +$5,213,656 | +26.90% | |
| American Century Companies Inc | 0.01% | 599,953 | $16,480,709 | $19,810,448 | +$3,329,739 | +20.20% | |
| Cibc World Market Inc. | 0.02% | 514,764 | $14,140,567 | $16,997,507 | +$2,856,940 | +20.20% | |
| Oppenheimer Asset Management Inc. | 0.13% | 447,426 | $12,290,792 | $14,774,007 | +$2,483,215 | +20.20% | |
| Superstring Capital Management Lp | 7.47% | 430,600 | $11,828,582 | $14,218,412 | +$2,389,830 | +20.20% | |
| Moore Capital Management, Lp | 0.26% | 420,487 | $11,550,778 | $13,884,481 | +$2,333,703 | +20.20% | |
| Dixon Mitchell Investment Counsel Inc. | 0.37% | 416,000 | $11,427,520 | $13,736,320 | +$2,308,800 | +20.20% | |
| Quantinno Capital Management Lp | 0.01% | 333,388 | $9,158,195 | $11,008,472 | +$1,850,277 | +20.20% | |
| Hudson Bay Capital Management Lp | 0.05% | 330,000 | $9,065,100 | $10,896,600 | +$1,831,500 | +20.20% | |
| Summittx Capital, L.P. | 0.23% | 318,408 | $8,746,668 | $10,513,832 | +$1,767,164 | +20.20% | |
| Wells Fargo & Company/Mn | 0.00% | 303,639 | $8,340,964 | $10,026,160 | +$1,685,196 | +20.20% | |
| Bank Of America Corp | 0.00% | 259,249 | $7,121,559 | $8,560,402 | +$1,438,843 | +20.20% | |
| Assetmark, Inc | 0.01% | 238,803 | $6,559,918 | $7,885,275 | +$1,325,357 | +20.20% | |
| Bnp Paribas Financial Markets | 0.00% | 227,990 | $6,262,885 | $7,528,230 | +$1,265,345 | +20.20% | |
| Caption Management, Llc | 0.19% | 199,774 | $5,487,792 | $6,596,537 | +$1,108,745 | +20.20% | |
| Folketrygdfondet | 0.10% | 165,082 | $4,534,803 | $5,451,008 | +$916,205 | +20.20% | |
| Jane Street Group, Llc | 0.00% | 164,743 | $4,525,491 | $5,439,814 | +$914,323 | +20.20% | |
| Tidal Investments Llc | 0.01% | 162,384 | $4,460,688 | $5,361,920 | +$901,232 | +20.20% | |
| Aimz Investment Advisors, Llc | 1.22% | 160,910 | $4,420,198 | $5,313,248 | +$893,050 | +20.20% | |
| Lpl Financial Llc | 0.00% | 144,321 | $3,964,507 | $4,765,479 | +$800,972 | +20.20% | |
| Schonfeld Strategic Advisors Llc | 0.02% | 141,353 | $3,882,965 | $4,667,476 | +$784,511 | +20.20% | |
| Charles Schwab Investment Management Inc | 0.00% | 139,125 | $3,821,764 | $4,593,908 | +$772,144 | +20.20% | |
| Sixth Street Partners Management Company, L.P. | 0.00% | 139,125 | $3,821,764 | $4,593,908 | +$772,144 | +20.20% |
Frequently asked questions about GMAB
Who owns the most GMAB stock?
The largest holders of GMAB are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for GENMAB A/S -SP ADR (GMAB).
Is GMAB widely held by superinvestors?
Many widely followed stocks like GMAB appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly GMAB is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.