Quick Takeaways
- 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
What Changed
- No meaningful buy/sell imbalance is currently visible in the one-year window.
- Activity will update as new Forms 3/4/5 are filed.
Why This Matters
- 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.
Official SEC Source
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 10 Apr 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 by the holder's primary source 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 |
|---|---|---|---|---|---|---|---|---|
| Orbis Allan Gray Ltd |
13F
|
Company |
—
class O/S missing
|
14,418,462
|
$444,088,629 | — | 31 Dec 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
—
class O/S missing
|
10,877,094
|
$335,014,495 | — | 31 Dec 2025 | |
| Paradigm Biocapital Advisors LP |
13F
|
Company |
—
class O/S missing
|
7,039,834
|
$216,826,887 | — | 31 Dec 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
—
class O/S missing
|
4,978,058
|
$153,324,186 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
5.6%
from 13D/G
|
4,593,901
|
$141,492,141 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
—
class O/S missing
|
3,492,850
|
$107,579,780 | — | 31 Dec 2025 | |
| HARDING LOEVNER LP |
13F
|
Company |
—
class O/S missing
|
3,370,143
|
$103,853,463 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
—
class O/S missing
|
1,834,439
|
$56,500,775 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
—
class O/S missing
|
1,335,273
|
$41,126,408 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
—
class O/S missing
|
1,333,303
|
$41,065,732 | — | 31 Dec 2025 | |
| Pictet Asset Management Holding SA |
13F
|
Company |
—
class O/S missing
|
1,098,550
|
$33,835,340 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
—
class O/S missing
|
1,057,340
|
$32,566,083 | — | 31 Dec 2025 | |
| Brandywine Global Investment Management, LLC |
13F
|
Company |
—
class O/S missing
|
1,031,464
|
$31,769,091 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
—
class O/S missing
|
957,029
|
$29,476,493 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
—
class O/S missing
|
895,843
|
$27,591,964 | — | 31 Dec 2025 | |
| Perpetual Ltd |
13F
|
Company |
—
class O/S missing
|
827,217
|
$25,478,283 | — | 31 Dec 2025 | |
| ENVESTNET ASSET MANAGEMENT INC |
13F
|
Company |
—
class O/S missing
|
806,635
|
$24,844,358 | — | 31 Dec 2025 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
—
class O/S missing
|
710,587
|
$21,886,131 | — | 31 Dec 2025 | |
| FEDERATED HERMES, INC. |
13F
|
Company |
—
class O/S missing
|
679,379
|
$20,924,873 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
—
class O/S missing
|
612,323
|
$18,859,548 | — | 31 Dec 2025 | |
| Alyeska Investment Group, L.P. |
13F
|
Company |
—
class O/S missing
|
506,661
|
$15,605,159 | — | 31 Dec 2025 | |
| LPL Financial LLC |
13F
|
Company |
—
class O/S missing
|
438,018
|
$13,490,951 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
—
class O/S missing
|
431,552
|
$13,291,801 | — | 31 Dec 2025 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
—
class O/S missing
|
379,364
|
$11,684,411 | — | 31 Dec 2025 | |
| Woodline Partners LP |
13F
|
Company |
—
class O/S missing
|
369,188
|
$11,370,990 | — | 31 Dec 2025 | |
| CIBC WORLD MARKET INC. |
13F
|
Company |
—
class O/S missing
|
367,282
|
$11,312,286 | — | 31 Dec 2025 | |
| OPPENHEIMER ASSET MANAGEMENT INC. |
13F
|
Company |
—
class O/S missing
|
364,756
|
$11,234,485 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
—
class O/S missing
|
358,440
|
$11,039,952 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
—
class O/S missing
|
340,000
|
$10,472,000 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
—
class O/S missing
|
339,917
|
$10,469,447 | — | 31 Dec 2025 | |
| Hudson Bay Capital Management LP |
13F
|
Company |
—
class O/S missing
|
325,000
|
$10,010,000 | — | 31 Dec 2025 | |
| EAGLE GLOBAL ADVISORS LLC |
13F
|
Company |
—
class O/S missing
|
249,310
|
$7,678,748 | — | 31 Dec 2025 | |
| Quantinno Capital Management LP |
13F
|
Company |
—
class O/S missing
|
246,910
|
$7,604,836 | — | 31 Dec 2025 | |
| ASSETMARK, INC |
13F
|
Company |
—
class O/S missing
|
233,852
|
$7,202,642 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
—
class O/S missing
|
228,488
|
$7,037,442 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
—
class O/S missing
|
184,191
|
$5,673,083 | — | 31 Dec 2025 | |
| FOLKETRYGDFONDET |
13F
|
Company |
—
class O/S missing
|
174,805
|
$5,383,994 | — | 31 Dec 2025 | |
| AIMZ Investment Advisors, LLC |
13F
|
Company |
—
class O/S missing
|
163,310
|
$5,029,948 | — | 31 Dec 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
—
class O/S missing
|
147,498
|
$4,543,000 | — | 31 Dec 2025 | |
| NEOS Investment Management LLC |
13F
|
Company |
—
class O/S missing
|
140,733
|
$4,334,576 | — | 31 Dec 2025 | |
| Private Wealth Advisors, LLC |
13F
|
Company |
—
class O/S missing
|
131,653
|
$4,054,912 | — | 31 Dec 2025 | |
| Creative Planning |
13F
|
Company |
—
class O/S missing
|
130,583
|
$4,021,954 | — | 31 Dec 2025 | |
| FRED ALGER MANAGEMENT, LLC |
13F
|
Company |
—
class O/S missing
|
130,470
|
$4,018,476 | — | 31 Dec 2025 | |
| US BANCORP \DE\ |
13F
|
Company |
—
class O/S missing
|
129,343
|
$3,983,763 | — | 31 Dec 2025 | |
| Optiver Holding B.V. |
13F
|
Company |
—
class O/S missing
|
125,914
|
$3,878,151 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
—
class O/S missing
|
110,799
|
$3,412,609 | — | 31 Dec 2025 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
—
class O/S missing
|
110,659
|
$3,408,297 | — | 31 Dec 2025 | |
| Vestmark Advisory Solutions, Inc. |
13F
|
Company |
—
class O/S missing
|
109,358
|
$3,368,227 | — | 31 Dec 2025 | |
| ABC ARBITRAGE SA |
13F
|
Company |
—
class O/S missing
|
105,871
|
$3,260,827 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
—
class O/S missing
|
94,573
|
$2,912,848 | — | 31 Dec 2025 |
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.