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SIMO — SILICON MOTION TECHNOLOGY CO

Reported value held$3.14B
Funds holding (latest)42
SectorTechnology
Funds holding (Q2 2026)34
Institutional value$3.12B · 9.36M sh
New / Add / Cut / Exit6 / 10 / 17 / 0
Top-5 / Top-10 concentration60.9% / 78.7%
Institutional holdings change Accumulating +11.9% (+992.42K sh)
Institutional value change Up +232.0%

As of Q2 2026, 34 SEC-registered investment managers reported holding SIMO (SILICON MOTION TECHNOLOGY CO) in their latest 13F filings, with a combined reported value of $3.12B across 9.36M shares. That is +11.9% by share count (+992.42K shares) versus the previous quarter, while reported value moved +232.0%. Ownership is concentrated: the five largest holders account for 60.9% of reported value and the top ten for 78.7%.

Compared with the prior quarter, 6 opened new positions, 10 added to existing stakes, 17 trimmed. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

SIMO is classified in the Technology sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

FundQuarterSharesValuePortfolio WeightChange
Fidelity Management & Research (FMR) history Q2 2026 2.28M $759.27M 0.04% Reduce
Invesco Ltd history Q2 2026 1.14M $380.81M 0.03% Add
Alkeon Capital Management history Q2 2026 1.10M $366.66M 0.49% New
Two Sigma Investments history Q2 2026 748.21K $249.40M 0.19% Add
Lazard Asset Management history Q2 2026 435.93K $145.31M 0.23% Reduce
Arrowstreet Capital history Q2 2026 417.89K $139.30M 0.06% Reduce
D. E. Shaw & Co history Q2 2026 368.11K $122.70M 0.06% New
Citadel Advisors history Q2 2026 293.99K $98.00M 0.01% Add
Marshall Wace history Q2 2026 291.84K $97.28M 0.08% Add
Morgan Stanley history Q2 2026 291.73K $97.24M 0.01% Add
Bank of America Corp history Q2 2026 276.79K $92.26M 0.01% Add
MFS Investment Management history Q2 2026 204.95K $68.69M 0.02% Reduce
Wellington Management Group history Q2 2026 185.25K $61.75M 0.01% Reduce
Millennium Management history Q2 2026 181.35K $60.45M 0.02% Reduce
UBS Group AG history Q2 2026 180.42K $60.14M 0.01% Reduce
Manulife Financial history Q2 2026 129.54K $43.18M 0.04% Reduce
First Eagle Investment Management history Q2 2026 125.74K $41.91M 0.07% Reduce
Goldman Sachs Group history Q2 2026 124.70K $41.56M 0.00% Add
Northern Trust Corp history Q2 2026 124.08K $41.36M 0.01% Reduce
BlackRock Inc history Q2 2026 75.75K $25.25M 0.00% Hold

View all 42 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

No tracked fund fully exited this quarter.

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
Fidelity Management & Research (FMR) 74.83K 74.81K 74.82K 20 5.01K 5.18K 69.20K 102.08K 161.96K 584.50K 974.52K 1.75M 2.24M 2.18M 2.14M 2.74M 3.40M 3.40M 3.40M 2.28M
Invesco Ltd 111.70K 133.07K 188.03K 142.84K — — — — 624.86K 625.35K 638.74K — 846.13K 1.04M 1.68M 905.95K 905.91K 632.11K 418.29K 1.14M
Alkeon Capital Management — — — — — — — — — — — — — — — — — — — 1.10M
Two Sigma Investments 439.33K 509.21K 290.27K 54.73K 35.39K 40.10K 76.11K 76.14K 20.63K 89.71K 194.23K 278.60K 265.69K 180.21K 91.02K 20.35K 77.36K 387.34K 281.48K 748.21K
Lazard Asset Management 1.26M 1.20M 355.01K 346.08K 354.29K 332.94K 345.26K 408.52K 2.73K 33.06K 3.64K 4.95K 23.40K 35.49K 639.36K 765.92K 783.66K 758.58K 781.98K 435.93K
Arrowstreet Capital 215.62K 282.57K 14.58K — — 5.01K 121.02K 14.99K 19.15K 90.60K 797.76K 780.83K 658.87K — — 74.05K 86.31K 200.48K 425.70K 417.89K
D. E. Shaw & Co 130.55K 115.58K 64.14K — 24.49K — — 843.25K 352.00K 328.53K 339.33K 227.28K 20.68K 9.90K — 102.50K 78.57K 102.04K — 368.11K
Citadel Advisors 236.18K 181.24K 168.83K 51.30K 32.41K 96.80K 213.20K 206.35K 840.89K 695.93K 430.38K 325.34K 430.66K 437.65K 287.62K 159.51K 128.75K 193.46K 116.69K 293.99K
Marshall Wace — 259.04K 589.65K 63.81K 382.41K 401.19K 632.52K 413.08K 597.26K 310.03K 105.57K 90.32K 116.29K 48.67K 44.82K 42.46K 55.41K 132.65K 276.60K 291.84K
Morgan Stanley 137.44K 206.79K 185.73K 636.91K 411.71K 1.12M 1.19M 795.08K 646.98K 1.72M 619.22K 779.90K 1.04M 701.03K 725.79K 185.60K 178.15K 264.86K 210.97K 291.73K
Bank of America Corp 723.70K 740.08K 720.73K 582.00K 977.88K 854.77K 561.93K 356.62K 258.91K 146.23K 195.85K 101.32K 147.98K 131.57K 229.13K 268.10K 180.99K 183.42K 244.39K 276.79K
MFS Investment Management 671.76K 521.79K — 37.21K — — — — 302.68K 530.71K 532.16K 526.64K 523.43K 696.29K 757.51K 742.38K 586.65K 206.72K 210.29K 204.95K
Wellington Management Group 927.43K 897.24K 106.21K 84.41K 78.14K 73.20K 72.02K 60.65K 819.29K 819.54K 1.14M 769.21K 568.86K 797.19K 695.55K 850.00K 695.96K 697.00K 304.29K 185.25K
Millennium Management 1.16M 1.01M 1.26M 1.11M 1.09M 1.14M 1.11M 1.61M 328.39K 954.43K 686.74K 791.82K 783.75K 613.75K 158.63K 125.04K 213.19K 147.03K 395.79K 181.35K
UBS Group AG 15.47K 37.00K 22.68K 111.75K 169.31K 200.13K 217.08K 254.81K 364.37K 409.87K 257.46K 93.30K 122.56K 487.46K 197.05K 186.47K 252.99K 351.54K 391.93K 180.42K
Manulife Financial — — — — — — — — — — 262.41K 418.35K 570.82K 763.42K 799.12K 646.91K 505.13K 364.80K 157.66K 129.54K
First Eagle Investment Management — — — — — — — — — — — — — — — 146.20K 150.49K 153.52K 168.44K 125.74K
Goldman Sachs Group 262.83K 121.10K 168.07K 276.42K 1.40M 1.84M 451.31K 547.18K 44.19K 316.29K 258.85K 112.08K 38.08K 29.01K 73.99K 69.26K 40.40K 37.97K 28.27K 124.70K
Northern Trust Corp 11.76K 11.01K 3.28K 2.81K 3.08K — — — — — 2.89K 4.12K 4.10K 136.64K 137.91K 138.48K 136.94K 125.46K 124.98K 124.08K
BlackRock Inc — — — — — — — — — — — — 140.85K 172.57K 76.90K 58.30K 78.88K 70.19K 75.68K 75.75K

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