State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s Silicon Motion SIMO Stock Holding History

State of Wisconsin Investment Board’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
2025
Q3 		– Sell
-50,667
Closed -$3.81M – 2512
2025
Q2 		$3.81M Sell
50,667
-247,150
-83% -$14M 0.01% 1030
2025
Q1 		$15.1M Hold
297,817
– – 0.04% 427
2024
Q4 		$16.1M Buy
297,817
+50,000
+20% +$2.8M 0.04% 405
2024
Q3 		$15.1M Buy
247,817
+130,808
+112% +$8.62M 0.04% 460
2024
Q2 		$9.48M Buy
117,009
+107,000
+1,069% +$8.36M 0.03% 628
2024
Q1 		$770K Sell
10,009
-168,600
-94% -$11.5M ﹤0.01% 1519
2023
Q4 		$10.9M Sell
178,609
-114,100
-39% -$6.52M 0.03% 564
2023
Q3 		$15M Buy
292,709
+32,649
+13% +$1.86M 0.05% 392
2023
Q2 		$18.7M Buy
260,060
+1,390
+0.5% +$88.9K 0.05% 368
2023
Q1 		$16.9M Buy
258,670
+3,170
+1% +$208K 0.05% 373
2022
Q4 		$16.6M Buy
255,500
+32,500
+15% +$1.99M 0.05% 375
2022
Q3 		$14.5M Buy
223,000
+212,200
+1,965% +$16.6M 0.05% 404
2022
Q2 		$904K Buy
+10,800
New +$910K ﹤0.01% 1697
2017
Q1 		– Sell
-24,386
Closed -$1.04M – 1307
2016
Q4 		$1.04M Sell
24,386
-9,462
-28% -$432K ﹤0.01% 1192
2016
Q3 		$1.75M Buy
+33,848
New +$1.77M 0.01% 1156
2014
Q4 		– Sell
-22,532
Closed -$607K – 1340
2014
Q3 		$607K Buy
22,532
+6,129
+37% +$154K ﹤0.01% 1295
2014
Q2 		$335K Buy
+16,403
New +$279K ﹤0.01% 1327
2013
Q3 		– Sell
-82,258
Closed -$871K – 1315
2013
Q2 		$871K Buy
+82,258
New +$906K ﹤0.01% 1237

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
PP
Pertento Partners London, United Kingdom $1.37B AUM 36.36% 1-Year Est. Return
Lord, Abbett & Co
Lord, Abbett & Co Jersey City, New Jersey $30.6B AUM 57.44% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Lazard Asset Management
Lazard Asset Management New York $60.8B AUM 22.47% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

State of Wisconsin Investment Board's SIMO Position: Q3 2025 in Review

State of Wisconsin Investment Board sold out of Silicon Motion (SIMO) in Q3 2025, closing a stake of 50,667 shares — an estimated $3.81M sold.

State of Wisconsin Investment Board first reported a position in SIMO in Q2 2013 and held it in 18 quarters. The position peaked at $18.7M in Q2 2023. 219 funds tracked by Wall St. Rank hold SIMO as of Q3 2025.

  • State of Wisconsin Investment Board reported no remaining Silicon Motion position as of Q3 2025 after selling out during the quarter.
  • State of Wisconsin Investment Board sold 50,667 Silicon Motion shares in Q3 2025, an estimated $3.81M.
  • State of Wisconsin Investment Board first reported a position in Silicon Motion in Q2 2013 and held it in 18 quarters.
  • State of Wisconsin Investment Board's Silicon Motion position peaked at $18.7M in Q2 2023.
  • 219 funds tracked by Wall St. Rank held Silicon Motion as of Q3 2025.

Based on State of Wisconsin Investment Board's 13F filing for Q3 2025, filed 14 Nov 2025.