Acadian Asset Management’s Similarweb SMWB Stock Holding History

Acadian Asset 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	$1.05M	Buy	405,607 +247,196	+156%	+$1.03M	﹤0.01%	1146
2025 Q4	$1.18M	Sell	158,411 -19,137	-11%	-$154K	﹤0.01%	1073
2025 Q3	$1.64M	Buy	+177,548	New	+$1.59M	﹤0.01%	935
2025 Q2	–	Sell	-185,065	Closed	-$1.53M	–	1817
2025 Q1	$1.53M	Sell	185,065 -703,577	-79%	-$8.67M	﹤0.01%	830
2024 Q4	$12.6M	Buy	888,642 +30,458	+4%	+$337K	0.04%	310
2024 Q3	$7.57M	Buy	858,184 +415,267	+94%	+$3.28M	0.02%	395
2024 Q2	$3.43M	Buy	442,917 +167,500	+61%	+$1.3M	0.01%	600
2024 Q1	$2.47M	Buy	275,417 +268,099	+3,664%	+$1.98M	0.01%	614
2023 Q4	$39K	Buy	+7,318	New	+$38.3K	﹤0.01%	1489

Other funds holding SMWB

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 $3.21B AUM 117.29% 1-Year Est. Return

ICP

ION Crossover Partners Herzliya Pituach, Israel $36.9M AUM

Ulysses Management New York $802M AUM 5.35% 1-Year Est. Return

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

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 New York $240B AUM 35.51% 1-Year Est. Return

Acadian Asset Management's SMWB Position: Q1 2026 in Review

Acadian Asset Management increased its Similarweb (SMWB) stake by 156% in Q1 2026, buying an estimated $1.03M and bringing the position to 405,607 shares worth $1.05M. The position accounts for ﹤0.01% of the portfolio, ranked #1146.

Acadian Asset Management first reported a position in SMWB in Q4 2023 and has held it in 9 quarters since. The position peaked at $12.6M in Q4 2024. 79 funds tracked by Wall St. Rank hold SMWB as of Q1 2026.

Acadian Asset Management held 405,607 shares of Similarweb worth $1.05M as of Q1 2026.
Acadian Asset Management bought 247,196 Similarweb shares in Q1 2026, an estimated $1.03M.
Similarweb made up ﹤0.01% of Acadian Asset Management's portfolio in Q1 2026, its #1146 holding.
Acadian Asset Management first reported a position in Similarweb in Q4 2023 and has held it in 9 quarters since.
Acadian Asset Management's Similarweb position peaked at $12.6M in Q4 2024.
79 funds tracked by Wall St. Rank held Similarweb as of Q1 2026.

Based on Acadian Asset Management's 13F filing for Q1 2026, filed 13 May 2026.