Citadel Advisors
SMWB icon

Citadel Advisors’s Similarweb SMWB Stock Holding History

Citadel Advisors’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 		$1.24M Buy
476,005
+275,891
+138% +$1.15M ﹤0.01% 7183
2025
Q4 		$1.5M Sell
200,114
-60,755
-23% -$490K ﹤0.01% 6513
2025
Q3 		$2.43M Sell
260,869
-619,396
-70% -$5.55M ﹤0.01% 5672
2025
Q2 		$6.9M Buy
880,265
+380,265
+76% +$2.85M ﹤0.01% 3575
2025
Q1 		$4.13M Buy
500,000
+242,876
+94% +$2.99M ﹤0.01% 4203
2024
Q4 		$3.64M Sell
257,124
-1,423,811
-85% -$15.7M ﹤0.01% 4499
2024
Q3 		$14.9M Buy
1,680,935
+1,571,630
+1,438% +$12.4M ﹤0.01% 2391
2024
Q2 		$849K Buy
109,305
+92,109
+536% +$717K ﹤0.01% 6928
2024
Q1 		$155K Sell
17,196
-76,196
-82% -$563K ﹤0.01% 10720
2023
Q4 		$498K Buy
+93,392
New +$489K ﹤0.01% 8125
2023
Q3 		– Sell
-19,936
Closed -$131K – 15049
2023
Q2 		$131K Sell
19,936
-12,140
-38% -$73.7K ﹤0.01% 10527
2023
Q1 		$217K Buy
+32,076
New +$205K ﹤0.01% 10036
2022
Q4 		– Sell
-46,202
Closed -$265K – 15414
2022
Q3 		$271K Sell
46,202
-21,880
-32% -$181K ﹤0.01% 9795
2022
Q2 		$561K Sell
68,082
-50,319
-42% -$531K ﹤0.01% 8393
2022
Q1 		$1.53M Sell
118,401
-13,358
-10% -$190K ﹤0.01% 6679
2021
Q4 		$2.36M Buy
131,759
+93,221
+242% +$1.71M ﹤0.01% 5867
2021
Q3 		$806K Sell
38,538
-80,562
-68% -$1.75M ﹤0.01% 8686
2021
Q2 		$2.35M Buy
+119,100
New +$2.47M ﹤0.01% 6200

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

Citadel Advisors's SMWB Position: Q1 2026 in Review

Citadel Advisors increased its Similarweb (SMWB) stake by 138% in Q1 2026, buying an estimated $1.15M and bringing the position to 476,005 shares worth $1.24M. The position accounts for ﹤0.01% of the portfolio, ranked #7183.

Citadel Advisors first reported a position in SMWB in Q2 2021 and has held it in 18 quarters since. The position peaked at $14.9M in Q3 2024. 80 funds tracked by Wall St. Rank hold SMWB as of Q1 2026.

  • Citadel Advisors held 476,005 shares of Similarweb worth $1.24M as of Q1 2026.
  • Citadel Advisors bought 275,891 Similarweb shares in Q1 2026, an estimated $1.15M.
  • Similarweb made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #7183 holding.
  • Citadel Advisors first reported a position in Similarweb in Q2 2021 and has held it in 18 quarters since.
  • Citadel Advisors's Similarweb position peaked at $14.9M in Q3 2024.
  • 80 funds tracked by Wall St. Rank held Similarweb as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.