Jane Street
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Jane Street’s Silicon Motion SIMO Stock Holding History

Jane Street’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
Q3 		$16.8M Sell
60,100
-156,000
-72% -$41.4M ﹤0.01% 2256
2026
Q2 		$72M Buy
216,100
+190,300
+738% +$44.1M 0.01% 1148
2026
Q1 		$2.9M Sell
25,800
-3,800
-13% -$461K ﹤0.01% 4409
2025
Q4 		$2.74M Sell
29,600
-3,900
-12% -$358K ﹤0.01% 4201
2025
Q3 		$3.18M Sell
33,500
-2,500
-7% -$199K ﹤0.01% 4127
2025
Q2 		$2.71M Buy
+36,000
New +$2.04M ﹤0.01% 3936
2025
Q1 		– Sell
-20,800
Closed -$1.12M – 10508
2024
Q4 		$1.12M Buy
20,800
+9,100
+78% +$510K ﹤0.01% 5148
2024
Q3 		$711K Buy
11,700
+8,900
+318% +$587K ﹤0.01% 6574
2024
Q2 		$227K Sell
2,800
-32,400
-92% -$2.53M ﹤0.01% 8213
2024
Q1 		$2.71M Buy
35,200
+18,100
+106% +$1.24M ﹤0.01% 3575
2023
Q4 		$1.05M Sell
17,100
-19,000
-53% -$1.09M ﹤0.01% 5492
2023
Q3 		$1.85M Sell
36,100
-258,600
-88% -$14.7M ﹤0.01% 4183
2023
Q2 		$21.2M Buy
294,700
+287,400
+3,937% +$18.4M 0.01% 1153
2023
Q1 		$478K Buy
+7,300
New +$479K ﹤0.01% 6396
2022
Q4 		– Sell
-7,900
Closed -$515K – 10062
2022
Q3 		$515K Sell
7,900
-3,200
-29% -$251K ﹤0.01% 6642
2022
Q2 		$929K Buy
11,100
+800
+8% +$67.4K ﹤0.01% 5619
2022
Q1 		$688K Sell
10,300
-8,000
-44% -$623K ﹤0.01% 6877
2021
Q4 		$1.74M Sell
18,300
-39,100
-68% -$2.95M ﹤0.01% 4755
2021
Q3 		$3.96M Sell
57,400
-166,400
-74% -$11.7M ﹤0.01% 3133
2021
Q2 		$14.3M Buy
223,800
+188,900
+541% +$12.4M 0.01% 1354
2021
Q1 		$2.07M Sell
34,900
-59,600
-63% -$3.39M ﹤0.01% 3947
2020
Q4 		$4.55M Buy
+94,500
New +$3.86M ﹤0.01% 2252

Other funds holding SIMO

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $85.7B AUM 51.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Reinhart Partners
Reinhart Partners Mequon, Wisconsin $4.11B AUM 38.38% 1-Year Est. Return
Bahl & Gaynor
Bahl & Gaynor Cincinnati, Ohio $21B AUM 23.02% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
BIT Capital
BIT Capital Berlin, Germany $2.89B AUM 111.72% 1-Year Est. Return
Schwartz Investment Counsel
Schwartz Investment Counsel Plymouth, Michigan $2.87B AUM 22.48% 1-Year Est. Return
Lord, Abbett & Co
Lord, Abbett & Co Jersey City, New Jersey $33.4B AUM 56.97% 1-Year Est. Return
Highland Peak Capital
Highland Peak Capital Old Greenwich, Connecticut $423M AUM 94.62% 1-Year Est. Return

Jane Street's SIMO Position: Q3 2026 in Review

Jane Street opened a new position in Silicon Motion (SIMO) in Q3 2026: 202,669 shares worth $56.7M. The stake represents ﹤0.01% of the portfolio and ranks #1215 among its holdings. This is a return to the name: Jane Street previously reported a position in SIMO as recently as Q1 2026.

Jane Street first reported a position in SIMO in Q3 2013 and has held it in 29 quarters since. 323 funds tracked by Wall St. Rank hold SIMO as of Q3 2026.

  • Jane Street held 202,669 shares of Silicon Motion worth $56.7M as of Q3 2026.
  • Silicon Motion was a new Jane Street position in Q3 2026.
  • Silicon Motion made up ﹤0.01% of Jane Street's portfolio in Q3 2026, its #1215 holding.
  • Jane Street first reported a position in Silicon Motion in Q3 2013 and has held it in 29 quarters since.
  • 323 funds tracked by Wall St. Rank held Silicon Motion as of Q3 2026.

Based on Jane Street's 13F filing for Q3 2026, filed 12 Nov 2026.