XT
SMWB icon

XTX Topco’s Similarweb SMWB Stock Holding History

XTX Topco’s Portfolio SMWB Stock Details SMWB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$597K Buy
+228,880
New +$955K 0.01% 1862
2025
Q1 		– Sell
-52,175
Closed -$739K – 3047
2024
Q4 		$739K Sell
52,175
-1,805
-3% -$19.9K 0.06% 472
2024
Q3 		$477K Buy
53,980
+4,453
+9% +$35.2K 0.03% 849
2024
Q2 		$385K Buy
49,527
+19,313
+64% +$150K 0.03% 805
2024
Q1 		$272K Buy
+30,214
New +$223K 0.04% 933

Other funds holding SMWB

N
Naspers South Africa $253M AUM 25.32% 1-Year Est. Return
MMH
Menora Mivtachim Holdings Ramat Gan, Israel $21.1B AUM 40.03% 1-Year Est. Return
YDMI
Y.D. More Investments Ramat Gan, Israel $2.55B AUM 104.35% 1-Year Est. Return
ICP
ION Crossover Partners Herzliya Pituach, Israel $36.9M AUM
UM
Ulysses Management New York $802M AUM 5.35% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
SST
S Squared Technology New York $264M AUM 73.25% 1-Year Est. Return
CP
CenterBook Partners Greenwich, Connecticut $1.86B AUM 24.52% 1-Year Est. Return
AFT
Alpha Family Trust Los Angeles, California $206M AUM 35.6% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

XTX Topco's SMWB Position: Q1 2026 in Review

XTX Topco opened a new position in Similarweb (SMWB) in Q1 2026: 228,880 shares worth $597K. The stake represents 0.01% of the portfolio and ranks #1862 among its holdings. This is a return to the name: XTX Topco previously reported a position in SMWB as recently as Q4 2024.

XTX Topco first reported a position in SMWB in Q1 2024 and has held it in 5 quarters since. The position peaked at $739K in Q4 2024. 79 funds tracked by Wall St. Rank hold SMWB as of Q1 2026.

  • XTX Topco held 228,880 shares of Similarweb worth $597K as of Q1 2026.
  • Similarweb was a new XTX Topco position in Q1 2026.
  • Similarweb made up 0.01% of XTX Topco's portfolio in Q1 2026, its #1862 holding.
  • XTX Topco first reported a position in Similarweb in Q1 2024 and has held it in 5 quarters since.
  • XTX Topco's Similarweb position peaked at $739K in Q4 2024.
  • 79 funds tracked by Wall St. Rank held Similarweb as of Q1 2026.

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