XT
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XTX Topco’s Lucid Diagnostics LUCD Stock Holding History

XTX Topco’s Portfolio LUCD Stock Details LUCD Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$137K Sell
119,529
-105,931
-47% -$135K ﹤0.01% 2995
2025
Q4 		$246K Buy
+225,460
New +$252K 0.01% 2246
2025
Q1 		– Sell
-25,322
Closed -$20.7K – 2787
2024
Q4 		$20.7K Buy
+25,322
New +$22.3K ﹤0.01% 2032

Other funds holding LUCD

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
MCM
Masters Capital Management Atlanta, Georgia $3.03B AUM 57.21% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $61.9B AUM 29.81% 1-Year Est. Return
TSC
Two Seas Capital Rye, New York $7.15B AUM 169.27% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $93.1B AUM 28.26% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return
PCM
Perkins Capital Management Wayzata, Minnesota $107M AUM 82.62% 1-Year Est. Return

XTX Topco's LUCD Position: Q1 2026 in Review

XTX Topco reduced its Lucid Diagnostics (LUCD) stake by 47% in Q1 2026, selling an estimated $135K and leaving 119,529 shares worth $137K. The position accounts for ﹤0.01% of the portfolio, ranked #2995.

XTX Topco first reported a position in LUCD in Q4 2024 and has held it in 3 quarters since. The position peaked at $246K in Q4 2025. 103 funds tracked by Wall St. Rank hold LUCD as of Q1 2026.

  • XTX Topco held 119,529 shares of Lucid Diagnostics worth $137K as of Q1 2026.
  • XTX Topco sold 105,931 Lucid Diagnostics shares in Q1 2026, an estimated $135K.
  • Lucid Diagnostics made up ﹤0.01% of XTX Topco's portfolio in Q1 2026, its #2995 holding.
  • XTX Topco first reported a position in Lucid Diagnostics in Q4 2024 and has held it in 3 quarters since.
  • XTX Topco's Lucid Diagnostics position peaked at $246K in Q4 2025.
  • 103 funds tracked by Wall St. Rank held Lucid Diagnostics as of Q1 2026.

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