Wellington Management Group
SMWB icon

Wellington Management Group’s Similarweb SMWB Stock Holding History

Wellington Management Group’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 		$7.74M Sell
2,966,757
-34,676
-1% -$145K ﹤0.01% 1309
2025
Q4 		$22.5M Buy
3,001,433
+543,628
+22% +$4.38M ﹤0.01% 994
2025
Q3 		$22.9M Buy
2,457,805
+1,525,230
+164% +$13.7M ﹤0.01% 975
2025
Q2 		$7.31M Buy
932,575
+43,212
+5% +$324K ﹤0.01% 1290
2025
Q1 		$7.36M Buy
+889,363
New +$11M ﹤0.01% 1275

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
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
MFS
Mirabella Financial Services London, United Kingdom $1.05B AUM 22.45% 1-Year Est. Return

Wellington Management Group's SMWB Position: Q1 2026 in Review

Wellington Management Group reduced its Similarweb (SMWB) stake by 1.2% in Q1 2026, selling an estimated $145K and leaving 2,966,757 shares worth $7.74M. The position accounts for ﹤0.01% of the portfolio, ranked #1309.

Wellington Management Group first reported a position in SMWB in Q1 2025 and has held it in 5 quarters since. The position peaked at $22.9M in Q3 2025. 79 funds tracked by Wall St. Rank hold SMWB as of Q1 2026.

  • Wellington Management Group held 2,966,757 shares of Similarweb worth $7.74M as of Q1 2026.
  • Wellington Management Group sold 34,676 Similarweb shares in Q1 2026, an estimated $145K.
  • Similarweb made up ﹤0.01% of Wellington Management Group's portfolio in Q1 2026, its #1309 holding.
  • Wellington Management Group first reported a position in Similarweb in Q1 2025 and has held it in 5 quarters since.
  • Wellington Management Group's Similarweb position peaked at $22.9M in Q3 2025.
  • 79 funds tracked by Wall St. Rank held Similarweb as of Q1 2026.

Based on Wellington Management Group's 13F filing for Q1 2026, filed 15 May 2026.