XT
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XTX Topco’s Fulcrum Therapeutics FULC Stock Holding History

XTX Topco’s Portfolio FULC Stock Details FULC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$549K Buy
71,603
+19,801
+38% +$184K 0.01% 1965
2025
Q4 		$586K Buy
+51,802
New +$527K 0.02% 1462
2025
Q2 		– Sell
-49,878
Closed -$144K – 2634
2025
Q1 		$144K Buy
+49,878
New +$183K 0.01% 1775
2024
Q2 		– Sell
-13,154
Closed -$124K – 2070
2024
Q1 		$124K Buy
+13,154
New +$117K 0.02% 1315
2023
Q4 		– Sell
-38,918
Closed -$173K – 1761
2023
Q3 		$173K Sell
38,918
-44,248
-53% -$193K 0.03% 1062
2023
Q2 		$274K Sell
83,166
-40,602
-33% -$119K 0.05% 781
2023
Q1 		$353K Buy
123,768
+88,886
+255% +$796K 0.07% 525
2022
Q4 		$254K Buy
+34,882
New +$227K 0.05% 698
2022
Q3 		– Sell
-27,799
Closed -$136K – 1196
2022
Q2 		$136K Buy
+27,799
New +$272K 0.06% 566

Other funds holding FULC

SCM
Suvretta Capital Management New York $3.92B AUM 86.67% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
B
Braidwell Stamford, Connecticut $3B AUM 46.72% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $2.72B AUM 121.58% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return
FTM
First Turn Management Del Mar, California $895M AUM 261.28% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $61.9B AUM 29.81% 1-Year Est. Return

XTX Topco's FULC Position: Q1 2026 in Review

XTX Topco increased its Fulcrum Therapeutics (FULC) stake by 38% in Q1 2026, buying an estimated $184K and bringing the position to 71,603 shares worth $549K. The position accounts for 0.01% of the portfolio, ranked #1965.

XTX Topco first reported a position in FULC in Q2 2022 and has held it in 9 quarters since. The position peaked at $586K in Q4 2025. 169 funds tracked by Wall St. Rank hold FULC as of Q1 2026.

  • XTX Topco held 71,603 shares of Fulcrum Therapeutics worth $549K as of Q1 2026.
  • XTX Topco bought 19,801 Fulcrum Therapeutics shares in Q1 2026, an estimated $184K.
  • Fulcrum Therapeutics made up 0.01% of XTX Topco's portfolio in Q1 2026, its #1965 holding.
  • XTX Topco first reported a position in Fulcrum Therapeutics in Q2 2022 and has held it in 9 quarters since.
  • XTX Topco's Fulcrum Therapeutics position peaked at $586K in Q4 2025.
  • 169 funds tracked by Wall St. Rank held Fulcrum Therapeutics as of Q1 2026.

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