GENMAB A/S -SP ADR (GMAB) Top 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 March 31, 2026. The institutional investors covered on this page collectively reported approximately $2.22B in GMAB holdings during the latest filing period.
Orbis Allan Gray Ltd is currently the largest disclosed institutional shareholder of GMAB tracked by InsiderSet, reporting ownership valued at approximately $346.79M in its March 31, 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 $374.84M, representing an estimated gain of +8.09% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 70% of the total disclosed GMAB value among the investors covered in this analysis. Major shareholders include Orbis Allan Gray Ltd, Alliancebernstein L.P., Paradigm Biocapital Advisors Lp, 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
268
Total Reported Value
$2.22B
Largest Holder
Orbis Allan Gray Ltd
Largest Position
$346.79M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
97
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Orbis Allan Gray Ltd | 1.46% | 12,925,578 | $346,793,258 | $374,841,762 | +$28,048,504 | +8.09% | |
| Alliancebernstein L.P. | 0.10% | 9,557,149 | $294,360,189 | $277,157,321 | -$17,202,868 | -5.84% | |
| Paradigm Biocapital Advisors Lp | 4.37% | 7,967,836 | $213,777,040 | $231,067,244 | +$17,290,204 | +8.09% | |
| Arrowstreet Capital, Limited Partnership | 0.07% | 4,975,324 | $133,487,943 | $144,284,396 | +$10,796,453 | +8.09% | |
| Blackrock, Inc. | 0.00% | 4,536,565 | $121,716,030 | $131,560,385 | +$9,844,355 | +8.09% | |
| Renaissance Technologies LLC | Jim Simons | 0.19% | 4,414,550 | $118,442,377 | $128,021,950 | +$9,579,573 | +8.09% |
| Deep Track Capital, Lp | 2.03% | 3,663,250 | $98,284,998 | $106,234,250 | +$7,949,252 | +8.09% | |
| Harding Loevner Lp | 0.89% | 3,231,601 | $86,704,217 | $93,716,429 | +$7,012,212 | +8.09% | |
| Deerfield Management Company, L.P. | 0.78% | 2,462,000 | $66,055,460 | $71,398,000 | +$5,342,540 | +8.09% | |
| First Trust Advisors Lp | 0.05% | 2,461,342 | $66,037,805 | $71,378,918 | +$5,341,113 | +8.09% | |
| Two Sigma Investments, Lp | 0.05% | 2,339,432 | $62,766,961 | $67,843,528 | +$5,076,567 | +8.09% | |
| Morgan Stanley | 0.00% | 2,184,701 | $58,615,594 | $63,356,329 | +$4,740,735 | +8.09% | |
| Federated Hermes, Inc. | 0.05% | 1,251,590 | $33,580,160 | $36,296,110 | +$2,715,950 | +8.09% | |
| Franklin Resources Inc | 0.01% | 1,193,145 | $32,012,080 | $34,601,205 | +$2,589,125 | +8.09% | |
| Pictet Asset Management Holding Sa | 0.03% | 1,077,471 | $28,908,547 | $31,246,659 | +$2,338,112 | +8.09% | |
| Fmr Llc | 0.00% | 1,011,726 | $27,144,600 | $29,340,054 | +$2,195,454 | +8.09% | |
| Northern Trust Corp | 0.00% | 950,534 | $25,502,826 | $27,565,486 | +$2,062,660 | +8.09% | |
| Goldman Sachs Group Inc | 0.00% | 931,259 | $24,985,679 | $27,006,511 | +$2,020,832 | +8.09% | |
| Envestnet Asset Management Inc | 0.01% | 862,301 | $23,135,532 | $25,006,729 | +$1,871,197 | +8.09% | |
| Russell Investments Group, Ltd. | 0.02% | 797,068 | $21,385,352 | $23,114,972 | +$1,729,620 | +8.09% | |
| Millennium Management Llc | 0.02% | 792,293 | $21,257,221 | $22,976,497 | +$1,719,276 | +8.09% | |
| Perpetual Ltd | 0.31% | 758,503 | $20,350,635 | $21,996,587 | +$1,645,952 | +8.09% | |
| Sofinnova Investments, Inc. | 1.01% | 752,261 | $20,183,163 | $21,815,569 | +$1,632,406 | +8.09% | |
| Qube Research & Technologies Ltd | 0.03% | 677,346 | $18,173,193 | $19,643,034 | +$1,469,841 | +8.09% | |
| Alyeska Investment Group, L.P. | 0.05% | 645,481 | $17,318,255 | $18,718,949 | +$1,400,694 | +8.09% | |
| American Century Companies Inc | 0.01% | 538,944 | $14,459,868 | $15,629,376 | +$1,169,508 | +8.09% | |
| Cibc World Market Inc. | 0.02% | 488,266 | $13,100,177 | $14,159,714 | +$1,059,537 | +8.09% | |
| Oppenheimer Asset Management Inc. | 0.14% | 457,508 | $12,274,939 | $13,267,732 | +$992,793 | +8.09% | |
| Wells Fargo & Company/Mn | 0.00% | 319,592 | $8,574,653 | $9,268,168 | +$693,515 | +8.09% | |
| Hudson Bay Capital Management Lp | 0.05% | 310,000 | $8,317,300 | $8,990,000 | +$672,700 | +8.09% | |
| Ubs Group Ag | 0.00% | 298,132 | $7,998,882 | $8,645,828 | +$646,946 | +8.09% | |
| Quantinno Capital Management Lp | 0.01% | 282,498 | $7,579,431 | $8,192,442 | +$613,011 | +8.09% | |
| Eagle Global Advisors Llc | 0.24% | 244,565 | $6,561,679 | $7,092,385 | +$530,706 | +8.09% | |
| Bank Of America Corp | 0.00% | 241,520 | $6,479,970 | $7,004,080 | +$524,110 | +8.09% | |
| Bnp Paribas Financial Markets | 0.00% | 227,587 | $6,106,159 | $6,600,023 | +$493,864 | +8.09% | |
| Assetmark, Inc | 0.01% | 224,144 | $6,013,784 | $6,500,176 | +$486,392 | +8.09% | |
| Moore Capital Management, Lp | 0.21% | 211,705 | $5,680,045 | $6,139,445 | +$459,400 | +8.09% | |
| Superstring Capital Management Lp | 3.77% | 196,709 | $5,277,702 | $5,704,561 | +$426,859 | +8.09% | |
| Lpl Financial Llc | 0.00% | 188,637 | $5,061,118 | $5,470,473 | +$409,355 | +8.09% | |
| Tidal Investments Llc | 0.02% | 184,124 | $4,940,047 | $5,339,596 | +$399,549 | +8.09% | |
| Aimz Investment Advisors, Llc | 1.33% | 160,910 | $4,317,215 | $4,666,390 | +$349,175 | +8.09% | |
| Folketrygdfondet | 0.08% | 160,773 | $4,313,540 | $4,662,417 | +$348,877 | +8.09% | |
| Royal Bank Of Canada | 0.00% | 150,135 | $4,029,000 | $4,353,915 | +$324,915 | +8.06% | |
| Charles Schwab Investment Management Inc | 0.00% | 127,571 | $3,422,730 | $3,699,559 | +$276,829 | +8.09% | |
| Creative Planning | 0.00% | 118,596 | $3,181,928 | $3,439,284 | +$257,356 | +8.09% | |
| Legacy Wealth Asset Management, Llc | 0.62% | 102,164 | $2,806,445 | $2,962,756 | +$156,311 | +5.57% | |
| Jane Street Group, Llc | 0.00% | 98,432 | $2,640,931 | $2,854,528 | +$213,597 | +8.09% | |
| Us Bancorp \De\ | 0.00% | 95,548 | $2,563,553 | $2,770,892 | +$207,339 | +8.09% | |
| Sei Investments Co | 0.00% | 93,012 | $2,495,624 | $2,697,348 | +$201,724 | +8.08% | |
| Summittx Capital, L.P. | 0.07% | 84,354 | $2,263,218 | $2,446,266 | +$183,048 | +8.09% |
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.