Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in SIMO held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 3.4M | $381.6M | 0.0% | 40.466% | 0.02% |
| 2 | REINHART PARTNERS, INC. | 1.3M | $147.6M | -16.5% | 15.647% | 4.24% |
| 3 | HAWK RIDGE CAPITAL MANAGEMENT LP | 1.2M | $131.8M | +48.9% | 13.971% | 4.79% |
| 4 | LAZARD ASSET MANAGEMENT LLC | 782K | $87.8M | +3.1% | 9.312% | 0.14% |
| 5 | Robeco Institutional Asset Management B.V. | 632K | $70.9M | +1.2% | 7.521% | 0.10% |
| 6 | Wolf Hill Capital Management, LP | 581K | $65.2M | -0.1% | 6.917% | 8.19% |
| 7 | Man Group plc | 560K | $62.9M | +47.0% | 6.670% | 0.12% |
| 8 | Analog Century Management LP | 539K | $60.5M | β | 6.415% | 2.89% |
| 9 | DRIEHAUS CAPITAL MANAGEMENT LLC | 510K | $57.3M | +59.6% | 6.073% | 0.42% |
| 10 | SYSTEMATIC FINANCIAL MANAGEMENT LP | 507K | $56.9M | -13.1% | 6.034% | 1.30% |
| 11 | SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 456K | $51.2M | -14.7% | 5.434% | 2.71% |
| 12 | Kite Lake Capital Management (UK) LLP | 453K | $50.8M | -0.8% | 5.389% | 74.66% |
| 13 | HIGHLAND PEAK CAPITAL, LLC | 445K | $49.9M | -10.5% | 5.293% | 20.03% |
| 14 | NEUMEIER POMA INVESTMENT COUNSEL LLC | 428K | $48.1M | -11.1% | 5.099% | 3.96% |
| 15 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 426K | $47.8M | +112.3% | 5.069% | 0.03% |
| 16 | Invesco Ltd. | 418K | $47.0M | -33.8% | 4.981% | 0.01% |
| 17 | Pertento Partners LLP | 413K | $46.3M | -64.2% | 4.912% | 4.92% |
| 18 | MILLENNIUM MANAGEMENT LLC | 396K | $44.4M | +169.2% | 4.713% | 0.03% |
| 19 | UBS Group AG | 392K | $44.0M | +11.5% | 4.667% | 0.01% |
| 20 | VOYA INVESTMENT MANAGEMENT LLC | 382K | $42.9M | β | 4.547% | 0.04% |
| 21 | Herald Investment Management Ltd | 368K | $41.3M | -4.5% | 4.378% | 5.75% |
| 22 | Ophir Asset Management Pty Ltd | 357K | $40.1M | -23.6% | 4.252% | 4.67% |
| 23 | Qube Research & Technologies Ltd | 352K | $39.5M | +268.5% | 4.186% | 0.05% |
| 24 | WELLINGTON MANAGEMENT GROUP LLP | 304K | $34.2M | -56.3% | 3.623% | 0.01% |
| 25 | SCHWARTZ INVESTMENT COUNSEL INC | 300K | $33.7M | +36.4% | 3.572% | 1.20% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in SIMO β a direct measure of their conviction.
Filings activity in SIMO during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new SIMO position in Q1 2026
Institutions that fully closed their SIMO position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 264 | +13% | 115.26% | +17.86 pp | $2.71B | +18% |
| Q4 2025 | 234 | +8.8% | 97.40% | +0.17 pp | $2.29B | +0.2% |
| Q3 2025 | 215 | +1.4% | 97.23% | +18.63 pp | $2.29B | +24% |
| Q2 2025 | 212 | +13% | 78.60% | +26.87 pp | $1.85B | +52% |
| Q1 2025 | 187 | 5.6% | 51.73% | 3.60 pp | $1.22B | 6.5% |
| Q4 2024 | 198 | +1.0% | 55.33% | 4.64 pp | $1.30B | 7.7% |
| Q3 2024 | 196 | 13% | 59.97% | 58.77 pp | $1.41B | 49% |
| Q2 2024 | 224 | β | 118.74% | β | $2.80B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying SIMO stock.
Based on Q1 2026 13F filings, institutional ownership of Silicon Motion Technology Corporation stands at 115.3%, held across 264 reporting institutions.
FMR LLC is the largest reported institutional holder of SIMO, with approximately 3,398,367 shares worth $0.38B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of SIMO, including MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for SIMO is 68 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
62 institutions opened new positions in SIMO during Q1 2026, while 32 fully exited. 145 added to existing positions and 55 trimmed.
SIMO institutional ownership rose by 17.86 percentage points quarter-over-quarter, with a net change of +30 holders.
The top 10 institutions account for 41.3% of all reported 13F value in SIMO, and the top 25 account for 65.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Silicon Motion Technology Corporation (SIMO) Institutional Ownership