Jane Street
GMAB icon

Jane Street’s Genmab GMAB Stock Holding History

Jane Street’s Portfolio GMAB Stock Details GMAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.64M Buy
+98,432
New +$2.95M ﹤0.01% 4576
2025
Q3 		– Sell
-360,489
Closed -$8.78M – 11120
2025
Q2 		$7.45M Buy
360,489
+219,655
+156% +$4.51M ﹤0.01% 2503
2025
Q1 		$2.76M Sell
140,834
-122,569
-47% -$2.57M ﹤0.01% 3843
2024
Q4 		$5.5M Buy
+263,403
New +$5.79M ﹤0.01% 2536
2024
Q3 		– Sell
-14,368
Closed -$361K – 9875
2024
Q2 		$361K Buy
+14,368
New +$407K ﹤0.01% 7506
2023
Q4 		– Sell
-18,651
Closed -$658K – 9401
2023
Q3 		$658K Sell
18,651
-172,462
-90% -$6.57M ﹤0.01% 5831
2023
Q2 		$7.26M Sell
191,113
-13,633
-7% -$544K ﹤0.01% 2260
2023
Q1 		$7.73M Buy
204,746
+190,759
+1,364% +$7.33M ﹤0.01% 1902
2022
Q4 		$592K Sell
13,987
-4,617
-25% -$190K ﹤0.01% 5838
2022
Q3 		$604K Buy
+18,604
New +$653K ﹤0.01% 6333
2022
Q1 		– Sell
-76,424
Closed -$3.08M – 10555
2021
Q4 		$3.08M Sell
76,424
-19,182
-20% -$800K ﹤0.01% 3638
2021
Q3 		$4.18M Buy
+95,606
New +$4.29M ﹤0.01% 3034
2021
Q2 		– Sell
-55,672
Closed -$1.83M – 9986
2021
Q1 		$1.83M Buy
+55,672
New +$2.09M ﹤0.01% 4181
2020
Q4 		– Sell
-6,428
Closed -$233K – 7707
2020
Q3 		$233K Buy
+6,428
New +$232K ﹤0.01% 6239
2019
Q4 		– Sell
-182,955
Closed -$3.71M – 5308
2019
Q3 		$3.71M Buy
+182,955
New +$3.6M 0.01% 1221

Other funds holding GMAB

OAG
Orbis Allan Gray Hamilton, Bermuda $23.7B AUM 65.43% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
PBA
Paradigm Biocapital Advisors New York $4.89B AUM 251.12% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return
HL
Harding Loevner Bridgewater, New Jersey $9.72B AUM 22.38% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

Jane Street's GMAB Position: Q1 2026 in Review

Jane Street opened a new position in Genmab (GMAB) in Q1 2026: 98,432 shares worth $2.64M. The stake represents ﹤0.01% of the portfolio and ranks #4576 among its holdings. This is a return to the name: Jane Street previously reported a position in GMAB as recently as Q2 2025.

Jane Street first reported a position in GMAB in Q3 2019 and has held it in 15 quarters since. The position peaked at $7.73M in Q1 2023. 272 funds tracked by Wall St. Rank hold GMAB as of Q1 2026.

  • Jane Street held 98,432 shares of Genmab worth $2.64M as of Q1 2026.
  • Genmab was a new Jane Street position in Q1 2026.
  • Genmab made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #4576 holding.
  • Jane Street first reported a position in Genmab in Q3 2019 and has held it in 15 quarters since.
  • Jane Street's Genmab position peaked at $7.73M in Q1 2023.
  • 272 funds tracked by Wall St. Rank held Genmab as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.