Chuck Royce's SIMO Position Overview
Chuck Royce (via Royce & Associates Lp) currently holds 107,240 shares of Silicon Motion Technology Corporation (SIMO) worth $12.04 M, representing 0.12% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 41 quarters.
Based on 13F filings since 2013, Chuck Royce has maintained a long-term strategic position in SIMO, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2014, adding 352,800 shares. Largest reduction occurred in Q3 2014, reducing 448,500 shares.
Analysis based on 13F filings available since 2013 Q2
Chuck Royce's Silicon Motion Technology Corporation (SIMO) Holding Value Over Time
Track share changes against reported price movement
Quarterly Silicon Motion Technology Corporation (SIMO) Trades by Chuck Royce
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +14,700 | Add 15.89% | 107,240 | $112.29 |
| Q4 2025 | +27,040 | Add 41.28% | 92,540 | $92.70 |
| Q3 2025 | +65,500 | New Buy | 65,500 | $94.81 |
| Q4 2024 | -14,648 | Sold Out | 0 | $0.00 |
| Q3 2024 | -127,985 | Reduce 89.73% | 14,648 | $60.74 |
| Q2 2024 | +15,376 | Add 12.08% | 142,633 | $80.99 |
| Q1 2024 | +25,747 | Add 25.36% | 127,257 | $76.94 |
| Q4 2023 | +101,510 | New Buy | 101,510 | $61.27 |
| Q3 2021 | -4,700 | Sold Out | 0 | $0.00 |
| Q4 2020 | -97,650 | Reduce 95.41% | 4,700 | $48.09 |
| Q3 2020 | -76,900 | Reduce 42.90% | 102,350 | $37.78 |
| Q2 2020 | -33,190 | Reduce 15.62% | 179,250 | $48.77 |
| Q1 2020 | -15,850 | Reduce 6.94% | 212,440 | $36.66 |
| Q4 2019 | -13,387 | Reduce 5.54% | 228,290 | $50.71 |
| Q3 2019 | -142,930 | Reduce 37.16% | 241,677 | $35.35 |
| Q2 2019 | -297,483 | Reduce 43.61% | 384,607 | $44.38 |
| Q1 2019 | -31,381 | Reduce 4.40% | 682,090 | $39.64 |
| Q4 2018 | +144,975 | Add 25.50% | 713,471 | $34.50 |
| Q3 2018 | -96,000 | Reduce 14.45% | 568,496 | $53.70 |
| Q2 2018 | -118,300 | Reduce 15.11% | 664,496 | $52.89 |
| Q1 2018 | +10,972 | Add 1.42% | 782,796 | $48.12 |
| Q4 2017 | -29,716 | Reduce 3.71% | 771,824 | $52.96 |
| Q3 2017 | +351,140 | Add 77.96% | 801,540 | $48.03 |
| Q2 2017 | +170,800 | Add 61.09% | 450,400 | $48.23 |
| Q1 2017 | +121,000 | Add 76.29% | 279,600 | $46.75 |
| Q4 2016 | +16,200 | Add 11.38% | 158,600 | $42.48 |
| Q3 2016 | -28,100 | Reduce 16.48% | 142,400 | $51.79 |
| Q2 2016 | -56,900 | Reduce 25.02% | 170,500 | $47.80 |
| Q1 2016 | +23,000 | Add 11.25% | 227,400 | $38.81 |
| Q4 2015 | +96,294 | Add 89.07% | 204,400 | $31.36 |
| Q3 2015 | +108,106 | New Buy | 108,106 | $27.31 |
| Q1 2015 | -18,200 | Sold Out | 0 | $0.00 |
| Q4 2014 | -23,600 | Reduce 56.46% | 18,200 | $23.63 |
| Q3 2014 | -448,500 | Reduce 91.47% | 41,800 | $26.94 |
| Q2 2014 | -43,900 | Reduce 8.22% | 490,300 | $20.43 |
| Q1 2014 | +352,800 | Add 194.49% | 534,200 | $16.78 |
| Q4 2013 | -30,400 | Reduce 14.35% | 181,400 | $14.15 |
| Q3 2013 | -40,000 | Reduce 15.89% | 211,800 | $13.06 |
| Q2 2013 | +251,800 | Add 0.00% | 251,800 | $10.59 |
Chuck Royce's Silicon Motion Technology Corporation Investment FAQs
Chuck Royce first purchased Silicon Motion Technology Corporation (SIMO) in Q2 2013, acquiring 251,800 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Chuck Royce has held Silicon Motion Technology Corporation (SIMO) for 41 quarters since Q2 2013.
Chuck Royce's largest addition to Silicon Motion Technology Corporation (SIMO) was in Q1 2014, adding 534,200 shares worth $8.96 M.
According to the latest 13F filing for Q1 2026, Chuck Royce's firm, Royce & Associates Lp, owns 107,240 shares of Silicon Motion Technology Corporation (SIMO), valued at approximately $12.04 M.
As of the Q1 2026 filing, Silicon Motion Technology Corporation (SIMO) represents approximately 0.12% of Chuck Royce's publicly disclosed stock portfolio, making it one of their key holdings.
Chuck Royce's peak holding in Silicon Motion Technology Corporation (SIMO) was 801,540 shares, as reported at the end of Q3 2017.