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Driehaus Capital Management’s Silicon Motion SIMO Stock Holding History

Driehaus Capital 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 		$262M Buy
786,074
+276,099
+54% +$64M 1.52% 5
2026
Q1 		$57.3M Buy
509,975
+190,351
+60% +$23.1M 0.42% 76
2025
Q4 		$29.6M Sell
319,624
-11,284
-3% -$1.04M 0.2% 155
2025
Q3 		$31.4M Buy
330,908
+243,257
+278% +$19.3M 0.22% 151
2025
Q2 		$6.59M Buy
+87,651
New +$4.98M 0.05% 291
2022
Q3 		– Sell
-3,577
Closed -$299K – 400
2022
Q2 		$299K Sell
3,577
-496,810
-99% -$41.8M ﹤0.01% 321
2022
Q1 		$33.4M Sell
500,387
-111,210
-18% -$8.67M 0.41% 77
2021
Q4 		$58.1M Buy
+611,597
New +$46.1M 0.59% 46
2020
Q3 		– Sell
-318,462
Closed -$15.5M – 445
2020
Q2 		$15.5M Buy
318,462
+111,910
+54% +$4.96M 0.38% 80
2020
Q1 		$7.57M Sell
206,552
-316,104
-60% -$13.7M 0.25% 106
2019
Q4 		$26.5M Buy
+522,656
New +$22.4M 0.7% 32
2018
Q1 		– Sell
-720,011
Closed -$38.1M – 583
2017
Q4 		$38.1M Buy
+720,011
New +$36.5M 1.45% 6
2017
Q3 		– Sell
-465,402
Closed -$22.4M – 582
2017
Q2 		$22.4M Sell
465,402
-14,836
-3% -$734K 0.83% 20
2017
Q1 		$22.5M Buy
480,238
+252,006
+110% +$10.7M 0.77% 24
2016
Q4 		$9.7M Sell
228,232
-83,226
-27% -$3.8M 0.34% 56
2016
Q3 		$16.1M Sell
311,458
-73,303
-19% -$3.82M 0.55% 36
2016
Q2 		$18.4M Buy
384,761
+93,818
+32% +$3.94M 0.66% 26
2016
Q1 		$11.3M Buy
290,943
+142,848
+96% +$4.61M 0.37% 55
2015
Q4 		$4.64M Sell
148,095
-399,366
-73% -$12.5M 0.16% 152
2015
Q3 		$15M Sell
547,461
-492,621
-47% -$13.2M 0.54% 42
2015
Q2 		$36M Buy
1,040,082
+694,123
+201% +$22.6M 1.25% 11
2015
Q1 		$9.3M Sell
345,959
-108,615
-24% -$2.97M 0.32% 75
2014
Q4 		$10.8M Sell
454,574
-173,202
-28% -$4.16M 0.43% 51
2014
Q3 		$16.9M Buy
627,776
+329,489
+110% +$8.28M 0.64% 28
2014
Q2 		$6.09M Buy
+298,287
New +$5.08M 0.2% 136

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
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
BG
Bahl & Gaynor Cincinnati, Ohio $21.7B AUM 30.58% 1-Year Est. Return

Driehaus Capital Management's SIMO Position: Q2 2026 in Review

Driehaus Capital Management increased its Silicon Motion (SIMO) stake by 54% in Q2 2026, buying an estimated $64M and bringing the position to 786,074 shares worth $262M. The position accounts for 1.52% of the portfolio, ranked #5.

Driehaus Capital Management first reported a position in SIMO in Q2 2014 and has held it in 25 quarters since. 385 funds tracked by Wall St. Rank hold SIMO as of Q2 2026.

  • Driehaus Capital Management held 786,074 shares of Silicon Motion worth $262M as of Q2 2026.
  • Driehaus Capital Management bought 276,099 Silicon Motion shares in Q2 2026, an estimated $64M.
  • Silicon Motion made up 1.52% of Driehaus Capital Management's portfolio in Q2 2026, its #5 holding.
  • Driehaus Capital Management first reported a position in Silicon Motion in Q2 2014 and has held it in 25 quarters since.
  • 385 funds tracked by Wall St. Rank held Silicon Motion as of Q2 2026.

Based on Driehaus Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.