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CenterBook Partners’s Similarweb SMWB Stock Holding History

CenterBook Partners’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
Q2 		$3.68M Sell
599,737
-725,376
-55% -$2.64M 0.18% 137
2026
Q1 		$3.46M Buy
1,325,113
+364,117
+38% +$1.52M 0.19% 144
2025
Q4 		$7.2M Sell
960,996
-219,970
-19% -$1.77M 0.35% 71
2025
Q3 		$11M Sell
1,180,966
-260,844
-18% -$2.34M 0.54% 38
2025
Q2 		$11.3M Buy
1,441,810
+634,114
+79% +$4.75M 0.63% 35
2025
Q1 		$6.68M Buy
807,696
+609,365
+307% +$7.51M 0.43% 61
2024
Q4 		$2.81M Buy
198,331
+147,742
+292% +$1.63M 0.17% 163
2024
Q3 		$447K Buy
+50,589
New +$400K 0.03% 400

Other funds holding SMWB

N
Naspers South Africa $84.4M AUM 76.38% 1-Year Est. Return
MMH
Menora Mivtachim Holdings Ramat Gan, Israel $25.6B AUM 50.04% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
ICP
ION Crossover Partners Herzliya Pituach, Israel $74.7M AUM
UM
Ulysses Management New York $506M AUM 8.58% 1-Year Est. Return
SST
S Squared Technology New York $322M AUM 92.75% 1-Year Est. Return
SSA
Schonfeld Strategic Advisors New York $27.9B AUM 51.18% 1-Year Est. Return
YDMI
Y.D. More Investments Ramat Gan, Israel $3.21B AUM 117.29% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

CenterBook Partners's SMWB Position: Q2 2026 in Review

CenterBook Partners reduced its Similarweb (SMWB) stake by 55% in Q2 2026, selling an estimated $2.64M and leaving 599,737 shares worth $3.68M. The position accounts for 0.18% of the portfolio, ranked #137.

CenterBook Partners first reported a position in SMWB in Q3 2024 and has held it in 8 quarters since. The position peaked at $11.3M in Q2 2025. 69 funds tracked by Wall St. Rank hold SMWB as of Q2 2026.

  • CenterBook Partners held 599,737 shares of Similarweb worth $3.68M as of Q2 2026.
  • CenterBook Partners sold 725,376 Similarweb shares in Q2 2026, an estimated $2.64M.
  • Similarweb made up 0.18% of CenterBook Partners's portfolio in Q2 2026, its #137 holding.
  • CenterBook Partners first reported a position in Similarweb in Q3 2024 and has held it in 8 quarters since.
  • CenterBook Partners's Similarweb position peaked at $11.3M in Q2 2025.
  • 69 funds tracked by Wall St. Rank held Similarweb as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.