Vanguard Personalized Indexing Management
SIMO icon

Vanguard Personalized Indexing Management’s Silicon Motion SIMO Stock Holding History

Vanguard Personalized Indexing Management’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
Q2 		$3.63M Buy
10,884
+1,210
+13% +$280K 0.03% 438
2026
Q1 		$1.09M Buy
9,674
+1,151
+14% +$140K 0.01% 887
2025
Q4 		$790K Sell
8,523
-281
-3% -$25.8K 0.01% 1031
2025
Q3 		$835K Buy
8,804
+2,516
+40% +$200K 0.01% 1002
2025
Q2 		$473K Buy
6,288
+1,929
+44% +$110K 0.01% 1221
2025
Q1 		$220K Buy
4,359
+292
+7% +$15.8K ﹤0.01% 1478
2024
Q4 		$220K Buy
+4,067
New +$228K ﹤0.01% 1484
2024
Q3 		– Sell
-3,276
Closed -$265K – 1815
2024
Q2 		$265K Buy
+3,276
New +$256K 0.01% 1325
2022
Q3 		– Sell
-2,434
Closed -$204K – 1297
2022
Q2 		$204K Buy
+2,434
New +$205K 0.01% 1136

Other funds holding SIMO

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Alkeon Capital Management
Alkeon Capital Management New York $74.1B AUM 71.18% 1-Year Est. Return
HRCM
Hawk Ridge Capital Management Los Angeles, California $3.12B AUM 53.42% 1-Year Est. Return
RP
Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return
PCH
Polar Capital Holdings London, United Kingdom $42.4B AUM 181.11% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
WHCM
Wolf Hill Capital Management Greenwich, Connecticut $1.2B AUM 137.35% 1-Year Est. Return

Vanguard Personalized Indexing Management's SIMO Position: Q2 2026 in Review

Vanguard Personalized Indexing Management increased its Silicon Motion (SIMO) stake by 13% in Q2 2026, buying an estimated $280K and bringing the position to 10,884 shares worth $3.63M. The position accounts for 0.03% of the portfolio, ranked #438.

Vanguard Personalized Indexing Management first reported a position in SIMO in Q2 2022 and has held it in 9 quarters since. 385 funds tracked by Wall St. Rank hold SIMO as of Q2 2026.

  • Vanguard Personalized Indexing Management held 10,884 shares of Silicon Motion worth $3.63M as of Q2 2026.
  • Vanguard Personalized Indexing Management bought 1,210 Silicon Motion shares in Q2 2026, an estimated $280K.
  • Silicon Motion made up 0.03% of Vanguard Personalized Indexing Management's portfolio in Q2 2026, its #438 holding.
  • Vanguard Personalized Indexing Management first reported a position in Silicon Motion in Q2 2022 and has held it in 9 quarters since.
  • 385 funds tracked by Wall St. Rank held Silicon Motion as of Q2 2026.

Based on Vanguard Personalized Indexing Management's 13F filing for Q2 2026, filed 11 Aug 2026.