Jane Street’s Similarweb SMWB Stock Holding History

Jane Street’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	$3.15M	Buy	513,277 +282,011	+122%	+$1.03M	﹤0.01%	4435
2026 Q1	$604K	Buy	231,266 +45,058	+24%	+$188K	﹤0.01%	7605
2025 Q4	$1.39M	Buy	186,208 +34,086	+22%	+$275K	﹤0.01%	5461
2025 Q3	$1.41M	Buy	152,122 +99,853	+191%	+$894K	﹤0.01%	5587
2025 Q2	$410K	Buy	52,269 +35,210	+206%	+$264K	﹤0.01%	7304
2025 Q1	$141K	Buy	+17,059	New	+$210K	﹤0.01%	8645
2024 Q3	–	Sell	-10,690	Closed	-$83.1K	–	10344
2024 Q2	$83.1K	Sell	10,690 -10,233	-49%	-$79.7K	﹤0.01%	8801
2024 Q1	$188K	Buy	+20,923	New	+$155K	﹤0.01%	8222
2022 Q1	–	Sell	-11,432	Closed	-$205K	–	10972
2021 Q4	$205K	Buy	+11,432	New	+$210K	﹤0.01%	8791

Other funds holding SMWB

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 Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

ICP

ION Crossover Partners Herzliya Pituach, Israel $74.7M AUM

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 New York $72.6B AUM 54.88% 1-Year Est. Return

Jane Street's SMWB Position: Q2 2026 in Review

Jane Street increased its Similarweb (SMWB) stake by 122% in Q2 2026, buying an estimated $1.03M and bringing the position to 513,277 shares worth $3.15M. The position accounts for ﹤0.01% of the portfolio, ranked #4435.

Jane Street first reported a position in SMWB in Q4 2021 and has held it in 9 quarters since. 69 funds tracked by Wall St. Rank hold SMWB as of Q2 2026.

Jane Street held 513,277 shares of Similarweb worth $3.15M as of Q2 2026.
Jane Street bought 282,011 Similarweb shares in Q2 2026, an estimated $1.03M.
Similarweb made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #4435 holding.
Jane Street first reported a position in Similarweb in Q4 2021 and has held it in 9 quarters since.
69 funds tracked by Wall St. Rank held Similarweb as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.