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 		$3.59M Sell
32,000
-700
-2% -$85K ﹤0.01% 4916
2025
Q4 		$3.03M Sell
32,700
-4,900
-13% -$450K ﹤0.01% 5136
2025
Q3 		$3.56M Buy
37,600
+16,900
+82% +$1.34M ﹤0.01% 4977
2025
Q2 		$1.56M Sell
20,700
-2,200
-10% -$125K ﹤0.01% 6185
2025
Q1 		$1.16M Sell
22,900
-33,200
-59% -$1.8M ﹤0.01% 6636
2024
Q4 		$3.03M Sell
56,100
-41,200
-42% -$2.31M ﹤0.01% 4817
2024
Q3 		$5.91M Buy
97,300
+61,000
+168% +$4.02M ﹤0.01% 3680
2024
Q2 		$2.94M Sell
36,300
-17,600
-33% -$1.37M ﹤0.01% 4593
2024
Q1 		$4.15M Buy
53,900
+17,600
+48% +$1.2M ﹤0.01% 4233
2023
Q4 		$2.22M Buy
36,300
+18,800
+107% +$1.07M ﹤0.01% 5173
2023
Q3 		$897K Sell
17,500
-112,100
-86% -$6.38M ﹤0.01% 6810
2023
Q2 		$9.31M Buy
129,600
+129,100
+25,820% +$8.25M ﹤0.01% 2775
2023
Q1 		$32.8K Sell
500
-1,500
-75% -$98.5K ﹤0.01% 12644
2022
Q4 		$130K Sell
2,000
-15,100
-88% -$926K ﹤0.01% 10831
2022
Q3 		$1.11M Sell
17,100
-11,200
-40% -$878K ﹤0.01% 6757
2022
Q2 		$2.37M Buy
28,300
+1,100
+4% +$92.7K ﹤0.01% 5220
2022
Q1 		$1.82M Sell
27,200
-60,200
-69% -$4.69M ﹤0.01% 6295
2021
Q4 		$8.31M Buy
87,400
+68,200
+355% +$5.14M ﹤0.01% 3371
2021
Q3 		$1.32M Sell
19,200
-31,300
-62% -$2.21M ﹤0.01% 7413
2021
Q2 		$3.24M Buy
50,500
+10,300
+26% +$677K ﹤0.01% 5416
2021
Q1 		$2.39M Buy
40,200
+5,300
+15% +$302K ﹤0.01% 5981
2020
Q4 		$1.68M Buy
34,900
+19,800
+131% +$809K ﹤0.01% 5736
2020
Q3 		$570K Sell
15,100
-10,800
-42% -$433K ﹤0.01% 7066
2020
Q2 		$1.26M Buy
25,900
+13,400
+107% +$594K ﹤0.01% 5399
2020
Q1 		$458K Buy
12,500
+600
+5% +$25.9K ﹤0.01% 6607
2019
Q4 		$603K Buy
+11,900
New +$511K ﹤0.01% 6505
2019
Q2 		– Sell
-10,000
Closed -$396K – 9779
2019
Q1 		$396K Sell
10,000
-400
-4% -$15.6K ﹤0.01% 7179
2018
Q4 		$359K Sell
10,400
-1,700
-14% -$66.5K ﹤0.01% 6954
2018
Q3 		$650K Buy
12,100
+200
+2% +$11.1K ﹤0.01% 6277
2018
Q2 		$629K Buy
11,900
+1,000
+9% +$49.1K ﹤0.01% 5999
2018
Q1 		$525K Buy
10,900
+1,500
+16% +$72K ﹤0.01% 5801
2017
Q4 		$498K Sell
9,400
-6,200
-40% -$314K ﹤0.01% 5648
2017
Q3 		$749K Sell
15,600
-3,300
-17% -$146K ﹤0.01% 4738
2017
Q2 		$912K Buy
18,900
+8,900
+89% +$440K ﹤0.01% 4224
2017
Q1 		$468K Sell
10,000
-1,200
-11% -$51K ﹤0.01% 5142
2016
Q4 		$476K Buy
11,200
+4,400
+65% +$201K ﹤0.01% 4985
2016
Q3 		$352K Sell
6,800
-14,000
-67% -$730K ﹤0.01% 5403
2016
Q2 		$994K Buy
+20,800
New +$873K ﹤0.01% 3554

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.