Ticker · CUSIP 372303206

GMAB

ADR
GENMAB A/S
Healthcare·Biotechnology
···Share
Holders (tracked)
7
Combined shares
4,624,695
Combined value
$142.44M
Last close
$28.55
Quarter
2025Q4
Price · 1Y$28.55+8.51 (+42.47%)H $35.34 · L $19.08 · Avg Vol 1.7M
Position opened
$20.00$25.00$30.00$35.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
7102024Q12025Q4
Price is -7.3% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

11 events
  1. Ken Griffin (Citadel Advisors) trimmed2026-02-17
    −32,371 shares · 2025Q4
    Position
  2. Two Sigma Investments trimmed2026-02-17
    −495,372 shares · 2025Q4
    Position
  3. Izzy Englander (Millennium Mgmt) added2026-02-17
    +3,660 shares · 2025Q4
    Position
  4. AQR Capital Management added2026-02-17
    +8,526 shares · 2025Q4
    Position
  5. Renaissance Technologies added2026-02-12
    +671,307 shares · 2025Q4
    Position
  6. AQR Capital Management added2025-11-14
    +43,738 shares · 2025Q3
    Position
  7. Steve Cohen (Point72) exited2025-11-14
    −538,500 shares · 2025Q3
    Position
  8. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −295,383 shares · 2025Q3
    Position
  9. Two Sigma Investments trimmed2025-11-14
    −227,329 shares · 2025Q3
    Position
  10. Renaissance Technologies added2025-11-13
    +54,793 shares · 2025Q3
    Position
  11. Baillie Gifford & Co exited2025-10-31
    −12 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for GMAB →
Follow-the-investor returns
If you'd copied each holder of GMAB…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Izzy Englander (Millennium Mgmt)2019Q3$20.99+36.0%$2.7M
Two Sigma Investments2020Q2$23.85+19.7%$25.6M
AQR Capital Management2025Q2$27.04+5.6%$2.3M
Renaissance Technologies2020Q1$28.82-0.9%$99.7M
Ken Griffin (Citadel Advisors)2019Q3$29.34-2.7%$545K
Ken Griffin (Citadel Advisors)2019Q3$29.34-2.7%$545K
Ken Griffin (Citadel Advisors)2019Q3$29.34-2.7%$545K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to3
Trimmed2
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
8
$430.1M
2022Q2
7
$343.5M
2022Q3
8
$340.7M
2022Q4
10
$470.8M
2023Q1
11
$384.4M
2023Q2
12
$360.2M
2023Q3
10
$247.6M
2023Q4
10
$223.4M
2024Q1
10
$288.0M
2024Q2
11
$284.9M
2024Q3
9
$166.2M
2024Q4
10
$165.5M
2025Q1
8
$205.0M
2025Q2
9
$185.0M
2025Q3
7
$137.1M
2025Q4
7
$142.4M
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-01-16Josh GottheimerBuy$1K – $15KPDF ↗
2024-12-16Josh GottheimerSell$1K – $15KPDF ↗

Who owns GMAB

7 super-investors · 2025Q4
Tracked stake
4.62M
shares
Combined value
$142M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added3Trim4
#ManagerSharesValue
1Renaissance Technologies3.49M$108M
2Two Sigma Investments895.8K$28M
3Izzy Englander
Millennium Mgmt
94.6K$3M
4AQR Capital Management82.2K$3M
5Ken Griffin
Citadel Advisors
26.9K$829K
6Ken Griffin
Citadel Advisors
19.1K$588K
7Ken Griffin
Citadel Advisors
13.2K$407K

Recent moves

20 transactions
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