Key facts
- GMAB - GENMAB A/S has 0 insiders with reported activity on this page.
- No net insider buy/sell flow is currently reported for the last year.
- Recent transaction rows are not currently available.
Insider Transactions of GENMAB A/S
- Symbol
- GMAB on Nasdaq, GNMSF on OTC
- Location
- 1253 Copenhagen K, Denmark
Change
- No meaningful buy/sell imbalance is currently visible in the one-year window.
- Activity will update as new Forms 3/4/5 are filed.
Research use
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsInsider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 24 May 2025.
Buys
$0
Shares: 0
Insiders: 0
Sells
$0
Shares: 0
Insiders: 0
Net
$0
Shares: 0
Insiders: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Top shareholders of GENMAB A/S (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
|
Company |
5.6%
from 13D/G
|
4,536,565
|
$121,716,030 | — | 31 Mar 2026 | |
| ORBIS INVESTMENT MANAGEMENT LTD |
13D/G
|
— |
5.5%
|
3,549,674
|
— | $0 | 31 Mar 2026 | |
| Orbis Allan Gray Ltd |
13F
|
Company |
—
class O/S missing
|
12,925,578
|
$346,793,258 | — | 31 Mar 2026 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
—
class O/S missing
|
9,557,149
|
$294,360,189 | — | 31 Mar 2026 | |
| Paradigm Biocapital Advisors LP |
13F
|
Company |
—
class O/S missing
|
7,967,836
|
$213,777,040 | — | 31 Mar 2026 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
—
class O/S missing
|
4,975,324
|
$133,487,943 | — | 31 Mar 2026 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
—
class O/S missing
|
4,414,550
|
$118,442,377 | — | 31 Mar 2026 | |
| Deep Track Capital, LP |
13F
|
Company |
—
class O/S missing
|
3,663,250
|
$98,284,998 | — | 31 Mar 2026 | |
| HARDING LOEVNER LP |
13F
|
Company |
—
class O/S missing
|
3,231,601
|
$86,704,217 | — | 31 Mar 2026 | |
| DEERFIELD MANAGEMENT COMPANY, L.P. |
13F
|
Company |
—
class O/S missing
|
2,462,000
|
$66,055,460 | — | 31 Mar 2026 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
—
class O/S missing
|
2,461,342
|
$66,037,805 | — | 31 Mar 2026 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
—
class O/S missing
|
2,339,432
|
$62,766,961 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
—
class O/S missing
|
2,184,701
|
$58,615,594 | — | 31 Mar 2026 | |
| FEDERATED HERMES, INC. |
13F
|
Company |
—
class O/S missing
|
1,251,590
|
$33,580,160 | — | 31 Mar 2026 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
—
class O/S missing
|
1,193,145
|
$32,012,080 | — | 31 Mar 2026 | |
| Pictet Asset Management Holding SA |
13F
|
Company |
—
class O/S missing
|
1,077,471
|
$28,908,547 | — | 31 Mar 2026 | |
| FMR LLC |
13F
|
Company |
—
class O/S missing
|
1,011,726
|
$27,144,600 | — | 31 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
—
class O/S missing
|
950,534
|
$25,502,826 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
—
class O/S missing
|
931,259
|
$24,985,679 | — | 31 Mar 2026 | |
| ENVESTNET ASSET MANAGEMENT INC |
13F
|
Company |
—
class O/S missing
|
862,301
|
$23,135,532 | — | 31 Mar 2026 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
—
class O/S missing
|
797,068
|
$21,385,352 | — | 31 Mar 2026 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
—
class O/S missing
|
792,293
|
$21,257,221 | — | 31 Mar 2026 | |
| Perpetual Ltd |
13F
|
Company |
—
class O/S missing
|
758,503
|
$20,350,635 | — | 31 Mar 2026 | |
| Sofinnova Investments, Inc. |
13F
|
Company |
—
class O/S missing
|
752,261
|
$20,183,163 | — | 31 Mar 2026 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
—
class O/S missing
|
677,346
|
$18,173,193 | — | 31 Mar 2026 | |
| Alyeska Investment Group, L.P. |
13F
|
Company |
—
class O/S missing
|
645,481
|
$17,318,255 | — | 31 Mar 2026 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
—
class O/S missing
|
538,944
|
$14,459,868 | — | 31 Mar 2026 | |
| CIBC WORLD MARKET INC. |
13F
|
Company |
—
class O/S missing
|
488,266
|
$13,100,177 | — | 31 Mar 2026 | |
| OPPENHEIMER ASSET MANAGEMENT INC. |
13F
|
Company |
—
class O/S missing
|
457,508
|
$12,274,939 | — | 31 Mar 2026 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
—
class O/S missing
|
319,592
|
$8,574,653 | — | 31 Mar 2026 | |
| Hudson Bay Capital Management LP |
13F
|
Company |
—
class O/S missing
|
310,000
|
$8,317,300 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
—
class O/S missing
|
298,132
|
$7,998,882 | — | 31 Mar 2026 | |
| Quantinno Capital Management LP |
13F
|
Company |
—
class O/S missing
|
282,498
|
$7,579,431 | — | 31 Mar 2026 | |
| EAGLE GLOBAL ADVISORS LLC |
13F
|
Company |
—
class O/S missing
|
244,565
|
$6,561,679 | — | 31 Mar 2026 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
—
class O/S missing
|
241,520
|
$6,479,970 | — | 31 Mar 2026 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
—
class O/S missing
|
227,587
|
$6,106,159 | — | 31 Mar 2026 | |
| ASSETMARK, INC |
13F
|
Company |
—
class O/S missing
|
224,144
|
$6,013,784 | — | 31 Mar 2026 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
—
class O/S missing
|
222,607
|
$5,749,953 | — | 31 Mar 2026 | |
| MOORE CAPITAL MANAGEMENT, LP |
13F
|
Company |
—
class O/S missing
|
211,705
|
$5,680,045 | — | 31 Mar 2026 | |
| SUPERSTRING CAPITAL MANAGEMENT LP |
13F
|
Company |
—
class O/S missing
|
196,709
|
$5,277,702 | — | 31 Mar 2026 | |
| LPL Financial LLC |
13F
|
Company |
—
class O/S missing
|
188,637
|
$5,061,118 | — | 31 Mar 2026 | |
| Tidal Investments LLC |
13F
|
Company |
—
class O/S missing
|
184,124
|
$4,940,047 | — | 31 Mar 2026 | |
| AIMZ Investment Advisors, LLC |
13F
|
Company |
—
class O/S missing
|
160,910
|
$4,317,215 | — | 31 Mar 2026 | |
| FOLKETRYGDFONDET |
13F
|
Company |
—
class O/S missing
|
160,773
|
$4,313,540 | — | 31 Mar 2026 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
—
class O/S missing
|
150,135
|
$4,029,000 | — | 31 Mar 2026 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
—
class O/S missing
|
127,571
|
$3,422,730 | — | 31 Mar 2026 | |
| Creative Planning |
13F
|
Company |
—
class O/S missing
|
118,596
|
$3,181,928 | — | 31 Mar 2026 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
—
class O/S missing
|
98,432
|
$2,640,931 | — | 31 Mar 2026 | |
| US BANCORP \DE\ |
13F
|
Company |
—
class O/S missing
|
95,548
|
$2,563,553 | — | 31 Mar 2026 | |
| SEI INVESTMENTS CO |
13F
|
Company |
—
class O/S missing
|
93,012
|
$2,495,624 | — | 31 Mar 2026 |
Recent Insider Transactions by Companies or Individuals for GENMAB A/S
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* An asterisk sign (*) next to the price indicates that the price is likely invalid.