Citadel Advisors
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Citadel Advisors’s Silicon Motion SIMO Stock Holding History

Citadel Advisors’s Portfolio SIMO Stock Details SIMO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.26M Sell
20,100
-7,600
-27% -$922K ﹤0.01% 5839
2025
Q4 		$2.57M Buy
27,700
+9,300
+51% +$853K ﹤0.01% 5463
2025
Q3 		$1.74M Sell
18,400
-700
-4% -$55.6K ﹤0.01% 6356
2025
Q2 		$1.44M Sell
19,100
-8,300
-30% -$471K ﹤0.01% 6348
2025
Q1 		$1.39M Sell
27,400
-30,000
-52% -$1.62M ﹤0.01% 6243
2024
Q4 		$3.1M Buy
57,400
+33,800
+143% +$1.89M ﹤0.01% 4784
2024
Q3 		$1.43M Buy
23,600
+9,200
+64% +$606K ﹤0.01% 6148
2024
Q2 		$1.17M Sell
14,400
-40,700
-74% -$3.18M ﹤0.01% 6287
2024
Q1 		$4.24M Buy
55,100
+26,900
+95% +$1.84M ﹤0.01% 4199
2023
Q4 		$1.73M Buy
28,200
+21,000
+292% +$1.2M ﹤0.01% 5623
2023
Q3 		$369K Sell
7,200
-67,300
-90% -$3.83M ﹤0.01% 8720
2023
Q2 		$5.35M Buy
+74,500
New +$4.76M ﹤0.01% 3552
2023
Q1 		– Sell
-600
Closed -$39K – 15434
2022
Q4 		$39K Sell
600
-5,300
-90% -$325K ﹤0.01% 12447
2022
Q3 		$385K Sell
5,900
-17,100
-74% -$1.34M ﹤0.01% 9026
2022
Q2 		$1.93M Sell
23,000
-14,900
-39% -$1.26M ﹤0.01% 5619
2022
Q1 		$2.53M Buy
37,900
+8,300
+28% +$647K ﹤0.01% 5564
2021
Q4 		$2.81M Sell
29,600
-113,500
-79% -$8.55M ﹤0.01% 5464
2021
Q3 		$9.87M Sell
143,100
-92,500
-39% -$6.53M ﹤0.01% 3104
2021
Q2 		$15.1M Buy
235,600
+165,400
+236% +$10.9M ﹤0.01% 2463
2021
Q1 		$4.17M Sell
70,200
-23,400
-25% -$1.33M ﹤0.01% 4677
2020
Q4 		$4.51M Buy
93,600
+88,300
+1,666% +$3.61M ﹤0.01% 3862
2020
Q3 		$200K Sell
5,300
-17,500
-77% -$701K ﹤0.01% 8794
2020
Q2 		$1.11M Buy
+22,800
New +$1.01M ﹤0.01% 5640
2019
Q3 		– Sell
-8,000
Closed -$355K – 9702
2019
Q2 		$355K Buy
+8,000
New +$321K ﹤0.01% 7323
2018
Q4 		– Sell
-5,000
Closed -$269K – 9692
2018
Q3 		$269K Buy
5,000
+1,000
+25% +$55.4K ﹤0.01% 7753
2018
Q2 		$212K Sell
4,000
-11,900
-75% -$584K ﹤0.01% 7800
2018
Q1 		$765K Buy
15,900
+11,200
+238% +$538K ﹤0.01% 5212
2017
Q4 		$249K Sell
4,700
-1,100
-19% -$55.7K ﹤0.01% 6750
2017
Q3 		$279K Sell
5,800
-1,700
-23% -$75.3K ﹤0.01% 6188
2017
Q2 		$362K Buy
7,500
+300
+4% +$14.8K ﹤0.01% 5594
2017
Q1 		$337K Sell
7,200
-13,700
-66% -$583K ﹤0.01% 5705
2016
Q4 		$888K Buy
20,900
+6,600
+46% +$301K ﹤0.01% 4022
2016
Q3 		$741K Buy
14,300
+7,600
+113% +$396K ﹤0.01% 4247
2016
Q2 		$320K Buy
+6,700
New +$281K ﹤0.01% 5114

Other funds holding SIMO

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
RP
Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
HRCM
Hawk Ridge Capital Management Los Angeles, California $2.75B AUM 20.09% 1-Year Est. Return
Lord, Abbett & Co
Lord, Abbett & Co Jersey City, New Jersey $30.6B AUM 57.44% 1-Year Est. Return
Lazard Asset Management
Lazard Asset Management New York $60.8B AUM 22.47% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
WHCM
Wolf Hill Capital Management Greenwich, Connecticut $1.03B AUM 80.44% 1-Year Est. Return
Man Group
Man Group London, United Kingdom $55.1B AUM 24.23% 1-Year Est. Return
ACM
Analog Century Management New York $2.09B AUM 186.85% 1-Year Est. Return

Citadel Advisors's SIMO Position: Q1 2026 in Review

Citadel Advisors reduced its Silicon Motion (SIMO) stake by 51% in Q1 2026, selling an estimated $8.31M and leaving 64,590 shares worth $7.25M. The position accounts for ﹤0.01% of the portfolio, ranked #3753.

Citadel Advisors first reported a position in SIMO in Q2 2013 and has held it in 46 quarters since. The position peaked at $63.7M in Q3 2016. 273 funds tracked by Wall St. Rank hold SIMO as of Q1 2026.

  • Citadel Advisors held 64,590 shares of Silicon Motion worth $7.25M as of Q1 2026.
  • Citadel Advisors sold 68,466 Silicon Motion shares in Q1 2026, an estimated $8.31M.
  • Silicon Motion made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #3753 holding.
  • Citadel Advisors first reported a position in Silicon Motion in Q2 2013 and has held it in 46 quarters since.
  • Citadel Advisors's Silicon Motion position peaked at $63.7M in Q3 2016.
  • 273 funds tracked by Wall St. Rank held Silicon Motion as of Q1 2026.

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