XT
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XTX Topco’s Genmab GMAB Stock Holding History

XTX Topco’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
Q2 		$230K Sell
8,375
-38,334
-82% -$1.02M ﹤0.01% 3147
2026
Q1 		$1.25M Buy
46,709
+11,112
+31% +$333K 0.02% 1224
2025
Q4 		$1.1M Buy
35,597
+5,051
+17% +$157K 0.03% 962
2025
Q3 		$937K Buy
+30,546
New +$744K 0.05% 621
2025
Q2 		– Sell
-30,929
Closed -$606K – 2660
2025
Q1 		$606K Buy
+30,929
New +$649K 0.03% 884
2024
Q4 		– Sell
-25,429
Closed -$620K – 2516
2024
Q3 		$620K Buy
25,429
+13,678
+116% +$366K 0.04% 672
2024
Q2 		$295K Sell
11,751
-10,705
-48% -$304K 0.03% 976
2024
Q1 		$672K Buy
22,456
+9,750
+77% +$286K 0.09% 322
2023
Q4 		$405K Buy
+12,706
New +$399K 0.09% 391
2023
Q1 		– Sell
-10,921
Closed -$463K – 1423
2022
Q4 		$463K Buy
+10,921
New +$450K 0.1% 335
2021
Q3 		– Sell
-5,089
Closed -$208K – 813
2021
Q2 		$208K Buy
+5,089
New +$196K 0.07% 546

Other funds holding GMAB

PBA
Paradigm Biocapital Advisors New York $5.34B AUM 380.18% 1-Year Est. Return
OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SI
Sofinnova Investments Menlo Park, California $1.93B AUM 134.74% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

XTX Topco's GMAB Position: Q2 2026 in Review

XTX Topco reduced its Genmab (GMAB) stake by 82% in Q2 2026, selling an estimated $1.02M and leaving 8,375 shares worth $230K. The position accounts for ﹤0.01% of the portfolio, ranked #3147.

XTX Topco first reported a position in GMAB in Q2 2021 and has held it in 11 quarters since. The position peaked at $1.25M in Q1 2026. 291 funds tracked by Wall St. Rank hold GMAB as of Q2 2026.

  • XTX Topco held 8,375 shares of Genmab worth $230K as of Q2 2026.
  • XTX Topco sold 38,334 Genmab shares in Q2 2026, an estimated $1.02M.
  • Genmab made up ﹤0.01% of XTX Topco's portfolio in Q2 2026, its #3147 holding.
  • XTX Topco first reported a position in Genmab in Q2 2021 and has held it in 11 quarters since.
  • XTX Topco's Genmab position peaked at $1.25M in Q1 2026.
  • 291 funds tracked by Wall St. Rank held Genmab as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.