Security Snapshot

GENMAB A/S - Ordinary Shares, nominal value DKK 1 per share (GMAB) Institutional Ownership

CUSIP: 372303206

13F Institutional Holders and Ownership History from Q1 2014 to Q3 2026

13F reference period

Q3 2026

Institutions Reporting

185

Shares (Excl. Options)

28.99MFull value: 28,991,514 · shares · 30 Sep 2026

Price

$35.68

The headline uses the Q3 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.

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Security type / class
Equity / Ordinary Shares, nominal value DKK 1 per share
Symbol
GMAB on Nasdaq
All holders as of 30 Sep 2026
Q3 2026
Total 13F shares
28,991,514
Latest holder snapshot 5 signals
Total 13F value
$1,034,275,480
Portfolio coverage rank
0%
Share change
+3,809,522
Value change
+$140,098,393
Number of holders
185
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
62,174,746
SEC-reported price per share
$36.65
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • GMAB - GENMAB A/S - Ordinary Shares, nominal value DKK 1 per share is tracked under CUSIP 372303206.
  • 185 institutions reported positions in Q3 2026.
  • 1 significant owner is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 291 to 185 between Q2 2026 and Q3 2026.
  • SEC-reported value moved from
    $2.81BFull value: $2,805,213,029 · USD · 30 Jun 2026
    to
    $1.03BFull value: $1,034,275,480 · USD · 30 Sep 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 185 institutions filings for Q3 2026.

Open SEC evidence

Security key

372303206

13F reference period

Q3 2026

13F holders

185

13D/G owners

1

CIK / CUSIP context first

Open Q3 2026 holders GMAB full holder history GENMAB A/S SEC filings GENMAB A/S company facts GENMAB A/S 13D/G history

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
1
Security
GMAB
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Darwin Global Management, Ltd. 5.9% $122,998,434 3,668,310 Darwin Global Management, Ltd. 28 Sep 2026
As of 30 Sep 2026, 185 institutional investors reported holding
28.99MFull value: 28,991,514 · shares · 30 Sep 2026
shares of GENMAB A/S - Ordinary Shares, nominal value DKK 1 per share (GMAB). This represents 47% of the company’s total
62.17MFull value: 62,174,746 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
42%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 9.8% 6,069,276 +22% 0.09% $216,521,421
Capital World Investors 6.3% 3,900,744 0.02% $139,159,050
FIRST TRUST ADVISORS LP 5.2% 3,225,639 +17% 0.07% $115,074,671
RENAISSANCE TECHNOLOGIES LLC 3.7% 2,272,450 -35% 0.11% $81,069,654
MORGAN STANLEY 2.8% 1,715,194 +5.2% 0% $61,189,638
FEDERATED HERMES, INC. 2% 1,239,448 -14% 0.06% $44,217,307
MARSHALL WACE, LLP 2% 1,219,998 +47% 0.04% $43,517,329
Pictet Asset Management Holding SA 1.9% 1,150,854 +8% 0.04% $41,043,557
Perpetual Ltd 1.2% 718,179 -22% 0.4% $25,621,036
AMERICAN CENTURY COMPANIES INC 0.93% 576,350 -3.9% 0.01% $20,561,286
CIBC WORLD MARKET INC. 0.82% 510,746 -0.78% 0.03% $18,220,864
Qube Research & Technologies Ltd 0.69% 426,930 -75% 0.02% $15,230,728
Quantinno Capital Management LP 0.67% 419,368 +26% 0.01% $14,960,959
Dixon Mitchell Investment Counsel Inc. 0.65% 407,000 -2.2% 0.46% $14,519,725
OPPENHEIMER ASSET MANAGEMENT INC. 0.63% 389,672 -13% 0.15% $13,901,573
BNP PARIBAS FINANCIAL MARKETS 0.62% 382,677 0.01% $13,652,002
EAGLE GLOBAL ADVISORS LLC 0.41% 255,590 +4.4% 0.3% $9,118,173
ASSETMARK, INC 0.4% 250,893 +5.1% 0.02% $8,950,608
HighVista Strategies LLC 0.36% 226,098 2.1% $8,066,046
Tidal Investments LLC 0.31% 190,604 +17% 0.02% $6,799,798
IMC-Chicago, LLC 0.3% 189,218 +164% 0.06% $6,750,352
CAPITAL INTERNATIONAL SARL 0.29% 180,667 0.09% $6,445,295
FOLKETRYGDFONDET 0.27% 165,082 0% 0.1% $5,888,475
Creative Planning 0.26% 161,602 +36% 0% $5,765,153
LPL Financial LLC 0.22% 136,403 -5.5% 0% $4,866,188

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
46
Headline period
Q3 2026
Rows shown
1-25 of 46
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 28,991,514 $1,034,275,480 +$140,098,393 $35.68 185
2026 Q2 102,283,939 $2,805,213,029 +$562,835,964 $27.47 291
2026 Q1 81,840,206 $2,233,486,410 +$234,957,158 $26.83 275
2025 Q4 73,253,348 $2,256,423,219 +$357,070,170 $30.80 292
2025 Q3 61,638,463 $1,890,450,678 -$40,302,085 $30.67 247
2025 Q2 63,662,903 $1,315,290,222 -$19,336,984 $20.66 213
2025 Q1 64,849,583 $1,269,852,791 +$73,035,748 $19.58 217
2024 Q4 60,769,608 $1,268,138,468 +$161,166,233 $20.87 227
2024 Q3 52,167,041 $1,271,406,555 +$95,151,333 $24.38 219
2024 Q2 48,732,629 $1,226,846,131 +$16,515,174 $25.13 217
2024 Q1 47,865,207 $1,431,460,622 +$35,418,945 $29.91 223
2023 Q4 46,634,034 $1,478,140,959 -$36,372,955 $31.84 223
2023 Q3 47,456,065 $1,674,482,707 +$198,240,982 $35.27 232
2023 Q2 41,697,685 $1,582,923,378 -$44,265,049 $38.01 211
2023 Q1 42,440,813 $1,601,471,519 -$113,536,012 $37.76 212
2022 Q4 45,784,677 $1,940,975,830 +$67,141,764 $42.38 232
2022 Q3 44,421,336 $1,426,539,749 +$286,435,137 $32.13 185
2022 Q2 35,500,267 $1,150,049,837 -$98,089,579 $32.49 171
2022 Q1 38,997,998 $1,412,600,597 -$26,246,934 $36.18 192
2021 Q4 39,758,410 $1,575,069,687 -$119,701,927 $39.56 201
2021 Q3 42,689,111 $1,858,636,856 -$95,300,984 $43.70 204
2021 Q2 46,169,307 $1,888,846,647 +$355,328,756 $40.83 206
2021 Q1 41,808,726 $1,368,072,549 -$31,901,016 $32.83 202
2020 Q4 42,235,568 $1,718,070,352 +$62,337,397 $40.66 221
2020 Q3 40,922,682 $1,501,467,997 +$114,003,080 $36.61 194
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