Renaissance Technologies
SMWB icon

Renaissance Technologies’s Similarweb SMWB Stock Holding History

Renaissance Technologies’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 		$1.93M Buy
739,673
+378,200
+105% +$1.58M ﹤0.01% 1916
2025
Q4 		$2.71M Sell
361,473
-2,500
-0.7% -$20.2K ﹤0.01% 1681
2025
Q3 		$3.38M Buy
363,973
+8,400
+2% +$75.2K ﹤0.01% 1712
2025
Q2 		$2.79M Buy
355,573
+77,300
+28% +$579K ﹤0.01% 1901
2025
Q1 		$2.3M Sell
278,273
-102,600
-27% -$1.26M ﹤0.01% 1914
2024
Q4 		$5.4M Buy
380,873
+55,873
+17% +$617K 0.01% 1407
2024
Q3 		$2.87M Buy
325,000
+214,400
+194% +$1.69M ﹤0.01% 1785
2024
Q2 		$859K Buy
110,600
+4,599
+4% +$35.8K ﹤0.01% 2406
2024
Q1 		$954K Sell
106,001
-19,999
-16% -$148K ﹤0.01% 2516
2023
Q4 		$672K Buy
126,000
+90,100
+251% +$472K ﹤0.01% 2631
2023
Q3 		$233K Buy
35,900
+300
+0.8% +$1.96K ﹤0.01% 3040
2023
Q2 		$234K Buy
35,600
+4,900
+16% +$29.7K ﹤0.01% 3235
2023
Q1 		$208K Buy
30,700
+8,300
+37% +$53.1K ﹤0.01% 3260
2022
Q4 		$144K Buy
22,400
+6,400
+40% +$36.7K ﹤0.01% 3525
2022
Q3 		$94K Buy
16,000
+3,500
+28% +$29K ﹤0.01% 3616
2022
Q2 		$103K Buy
+12,500
New +$132K ﹤0.01% 3845

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

Renaissance Technologies's SMWB Position: Q1 2026 in Review

Renaissance Technologies increased its Similarweb (SMWB) stake by 105% in Q1 2026, buying an estimated $1.58M and bringing the position to 739,673 shares worth $1.93M. The position accounts for ﹤0.01% of the portfolio, ranked #1916.

Renaissance Technologies first reported a position in SMWB in Q2 2022 and has held it in 16 quarters since. The position peaked at $5.4M in Q4 2024. 79 funds tracked by Wall St. Rank hold SMWB as of Q1 2026.

  • Renaissance Technologies held 739,673 shares of Similarweb worth $1.93M as of Q1 2026.
  • Renaissance Technologies bought 378,200 Similarweb shares in Q1 2026, an estimated $1.58M.
  • Similarweb made up ﹤0.01% of Renaissance Technologies's portfolio in Q1 2026, its #1916 holding.
  • Renaissance Technologies first reported a position in Similarweb in Q2 2022 and has held it in 16 quarters since.
  • Renaissance Technologies's Similarweb position peaked at $5.4M in Q4 2024.
  • 79 funds tracked by Wall St. Rank held Similarweb as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.