XT
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XTX Topco’s Marker Therapeutics MRKR Stock Holding History

XTX Topco’s Portfolio MRKR Stock Details MRKR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$82.6K Buy
63,567
+5,526
+10% +$8.77K ﹤0.01% 3160
2025
Q4 		$86.5K Buy
58,041
+36,269
+167% +$41.1K ﹤0.01% 2675
2025
Q3 		$19.4K Buy
+21,772
New +$26.9K ﹤0.01% 2336
2021
Q3 		– Sell
-2,417
Closed -$67K – 926
2021
Q2 		$67K Buy
+2,417
New +$63.6K 0.02% 703

Other funds holding MRKR

NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
BOCH
Blue Owl Capital Holdings New York $372M AUM 78.25% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
ACM
Aisling Capital Management New York $476M AUM 128.63% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Osaic Holdings
Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
LPL Financial
LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

XTX Topco's MRKR Position: Q1 2026 in Review

XTX Topco increased its Marker Therapeutics (MRKR) stake by 9.5% in Q1 2026, buying an estimated $8.77K and bringing the position to 63,567 shares worth $82.6K. The position accounts for ﹤0.01% of the portfolio, ranked #3160.

XTX Topco first reported a position in MRKR in Q2 2021 and has held it in 4 quarters since. The position peaked at $86.5K in Q4 2025. 35 funds tracked by Wall St. Rank hold MRKR as of Q1 2026.

  • XTX Topco held 63,567 shares of Marker Therapeutics worth $82.6K as of Q1 2026.
  • XTX Topco bought 5,526 Marker Therapeutics shares in Q1 2026, an estimated $8.77K.
  • Marker Therapeutics made up ﹤0.01% of XTX Topco's portfolio in Q1 2026, its #3160 holding.
  • XTX Topco first reported a position in Marker Therapeutics in Q2 2021 and has held it in 4 quarters since.
  • XTX Topco's Marker Therapeutics position peaked at $86.5K in Q4 2025.
  • 35 funds tracked by Wall St. Rank held Marker Therapeutics as of Q1 2026.

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