XT
FSI icon

XTX Topco’s Flexible Solutions FSI Stock Holding History

XTX Topco’s Portfolio FSI Stock Details FSI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$74.8K Sell
11,225
-1,935
-15% -$12.1K ﹤0.01% 3614
2026
Q1 		$71.1K Buy
13,160
+1,549
+13% +$8.92K ﹤0.01% 3219
2025
Q4 		$78.1K Buy
+11,611
New +$91.7K ﹤0.01% 2707

Other funds holding FSI

Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
NSIM
North Star Investment Management Chicago, Illinois $1.84B AUM 28.81% 1-Year Est. Return
BCM
Beartown Capital Management Huntington Woods, Michigan $227M AUM
RIA
Regal Investment Advisors Kentwood, Michigan $1.92B AUM 23.13% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
SL
Sentinus LLC Oak Brook, Illinois $1.25B AUM 22.33% 1-Year Est. Return
EIM
Essex Investment Management Boston, Massachusetts $763M AUM 108.51% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

XTX Topco's FSI Position: Q2 2026 in Review

XTX Topco reduced its Flexible Solutions (FSI) stake by 15% in Q2 2026, selling an estimated $12.1K and leaving 11,225 shares worth $74.8K. The position accounts for ﹤0.01% of the portfolio, ranked #3614.

XTX Topco first reported a position in FSI in Q4 2025 and has held it in 3 quarters since. The position peaked at $78.1K in Q4 2025. 31 funds tracked by Wall St. Rank hold FSI as of Q2 2026.

  • XTX Topco held 11,225 shares of Flexible Solutions worth $74.8K as of Q2 2026.
  • XTX Topco sold 1,935 Flexible Solutions shares in Q2 2026, an estimated $12.1K.
  • Flexible Solutions made up ﹤0.01% of XTX Topco's portfolio in Q2 2026, its #3614 holding.
  • XTX Topco first reported a position in Flexible Solutions in Q4 2025 and has held it in 3 quarters since.
  • XTX Topco's Flexible Solutions position peaked at $78.1K in Q4 2025.
  • 31 funds tracked by Wall St. Rank held Flexible Solutions as of Q2 2026.

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