Millennium Management
SMWB icon

Millennium Management’s Similarweb SMWB Stock Holding History

Millennium Management’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 		$2.16M Buy
825,763
+467,956
+131% +$1.95M ﹤0.01% 3802
2025
Q4 		$2.68M Sell
357,807
-153,114
-30% -$1.23M ﹤0.01% 3679
2025
Q3 		$4.75M Buy
510,921
+202,537
+66% +$1.81M ﹤0.01% 3200
2025
Q2 		$2.42M Buy
308,384
+282,930
+1,112% +$2.12M ﹤0.01% 3716
2025
Q1 		$211K Sell
25,454
-82,874
-77% -$1.02M ﹤0.01% 5286
2024
Q4 		$1.54M Sell
108,328
-433,954
-80% -$4.8M ﹤0.01% 3845
2024
Q3 		$4.79M Buy
542,282
+280,774
+107% +$2.22M ﹤0.01% 2883
2024
Q2 		$2.03M Buy
261,508
+28,264
+12% +$220K ﹤0.01% 3528
2024
Q1 		$2.1M Buy
233,244
+99,154
+74% +$733K ﹤0.01% 3694
2023
Q4 		$715K Buy
134,090
+108,248
+419% +$567K ﹤0.01% 4407
2023
Q3 		$167K Sell
25,842
-41,597
-62% -$272K ﹤0.01% 5185
2023
Q2 		$442K Buy
67,439
+27,651
+69% +$168K ﹤0.01% 4623
2023
Q1 		$269K Buy
+39,788
New +$255K ﹤0.01% 4990
2022
Q4 		– Sell
-398,109
Closed -$2.33M – 7016
2022
Q3 		$2.33M Sell
398,109
-466,080
-54% -$3.86M ﹤0.01% 3610
2022
Q2 		$7.13M Sell
864,189
-73,232
-8% -$772K ﹤0.01% 2427
2022
Q1 		$12.1M Buy
937,421
+324,290
+53% +$4.61M 0.01% 1925
2021
Q4 		$11M Buy
613,131
+237,781
+63% +$4.37M 0.01% 2050
2021
Q3 		$7.86M Sell
375,350
-42,426
-10% -$922K ﹤0.01% 2359
2021
Q2 		$8.23M Buy
+417,776
New +$8.65M 0.01% 2145

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
MFS
Mirabella Financial Services London, United Kingdom $1.06B AUM 19.83% 1-Year Est. Return

Millennium Management's SMWB Position: Q1 2026 in Review

Millennium Management increased its Similarweb (SMWB) stake by 131% in Q1 2026, buying an estimated $1.95M and bringing the position to 825,763 shares worth $2.16M. The position accounts for ﹤0.01% of the portfolio, ranked #3802.

Millennium Management first reported a position in SMWB in Q2 2021 and has held it in 19 quarters since. The position peaked at $12.1M in Q1 2022. 80 funds tracked by Wall St. Rank hold SMWB as of Q1 2026.

  • Millennium Management held 825,763 shares of Similarweb worth $2.16M as of Q1 2026.
  • Millennium Management bought 467,956 Similarweb shares in Q1 2026, an estimated $1.95M.
  • Similarweb made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #3802 holding.
  • Millennium Management first reported a position in Similarweb in Q2 2021 and has held it in 19 quarters since.
  • Millennium Management's Similarweb position peaked at $12.1M in Q1 2022.
  • 80 funds tracked by Wall St. Rank held Similarweb as of Q1 2026.

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