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 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

OAG

Orbis Allan Gray Hamilton, Bermuda $23.7B AUM 65.43% 1-Year Est. Return

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 Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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

Harding Loevner Bridgewater, New Jersey $9.72B AUM 22.38% 1-Year Est. Return

Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

XTX Topco's GMAB Position: Q1 2026 in Review

XTX Topco increased its Genmab (GMAB) stake by 31% in Q1 2026, buying an estimated $333K and bringing the position to 46,709 shares worth $1.25M. The position accounts for 0.02% of the portfolio, ranked #1224.

XTX Topco first reported a position in GMAB in Q2 2021 and has held it in 10 quarters since. 272 funds tracked by Wall St. Rank hold GMAB as of Q1 2026.

XTX Topco held 46,709 shares of Genmab worth $1.25M as of Q1 2026.
XTX Topco bought 11,112 Genmab shares in Q1 2026, an estimated $333K.
Genmab made up 0.02% of XTX Topco's portfolio in Q1 2026, its #1224 holding.
XTX Topco first reported a position in Genmab in Q2 2021 and has held it in 10 quarters since.
272 funds tracked by Wall St. Rank held Genmab as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.