SILICON MOTION TECHNOLOGY CO SIMO
SPONSORED ADR · ADR · CUSIP 82706C108 · ISIN US82706C1080
American-Taiwanese electronics technology company
- SectorTechnology
- IndustrySemiconductors & Related Devices
- HeadquartersTaiwan, Taiwan
- Founded1995
- Websitesiliconmotion.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($986.3k this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $64.96. Options: 11 managers hold calls ($58.1m notional), 16 hold puts ($172.0m).
Trends to Q4 2022
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 202 |
| Q4 2022 | 198 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $44.5m | $66.7m | 1.50 |
| Q4 2022 | $58.1m | $172.0m | 2.96 |
Biggest buyers
| MORGAN STANLEY | Added | +707.8k |
| GOLDMAN SACHS GROUP INC | Added | +445.3k |
| Antara Capital LP | Added | +394.2k |
| HBK INVESTMENTS L P | Added | +300.0k |
| Segantii Capital Management Ltd | Added | +297.0k |
| TIG Advisors, LLC | Added | +223.8k |
| RAMIUS ADVISORS LLC | Added | +222.1k |
| NATIXIS | New | +220.9k |
| Melqart Asset Management (UK) Ltd | Added | +191.3k |
| Balyasny Asset Management L.P. | Added | +177.7k |
Biggest sellers
| Westchester Capital Management, LLC | Reduced | -1.0m |
| MANGROVE PARTNERS IM, LLC | Sold out | -741.2k |
| CARDINAL CAPITAL MANAGEMENT LLC /CT | Sold out | -455.6k |
| Woodline Partners LP | Sold out | -305.6k |
| ACADIAN ASSET MANAGEMENT LLC | Reduced | -258.6k |
| LORD, ABBETT & CO. LLC | Sold out | -249.3k |
| Taconic Capital Advisors LP | Reduced | -205.0k |
| Maven Securities LTD | Sold out | -150.0k |
| BANK OF AMERICA CORP /DE/ | Reduced | -123.1k |
| AIGH Capital Management LLC | Sold out | -114.4k |
Biggest calls
| CITIGROUP INC | Unchanged | $30.9m475.0k shares |
| Maven Securities LTD | New | $9.7m150.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New | $6.0m92.9k shares |
| SIMPLEX TRADING, LLC | Added | $5.6m86.6k shares |
| GROUP ONE TRADING LLC | Added | $5.2m80.1k shares |
| UBS Group AG | New | $324.9k5.0k shares |
| CITADEL ADVISORS LLC | Reduced | $130.0k2.0k shares |
| HAP Trading, LLC | Reduced | $60.0k25.1k shares |
| Walleye Trading LLC | Reduced | $39.0k600 shares |
| Belvedere Trading LLC | New | $32.5k500 shares |
Biggest puts
| Antara Capital LP | Added | $86.4m1.3m shares |
| GROUP ONE TRADING LLC | Added | $37.0m568.7k shares |
| CITIGROUP INC | Reduced | $24.4m375.0k shares |
| SIMPLEX TRADING, LLC | Added | $6.7m102.4k shares |
| Walleye Trading LLC | Added | $5.0m77.4k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $4.1m63.2k shares |
| TIG Advisors, LLC | New | $3.8m58.2k shares |
| Centiva Capital, LP | New | $1.9m30.0k shares |
| BLUEFIN CAPITAL MANAGEMENT, LLC | New | $1.1m152.5k shares |
| PEAK6 Investments LLC | New | $981.3k15.1k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| FMR LLC 13G · institution -3.3 pts · filed 2026-08-06 | 6.7% |
Insider purchases and sales in Q4 2022
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported in Q4 2022.
Holders, Q4 2022
| Manager | Shares | Change |
|---|---|---|
| GOLDMAN SACHS GROUP INC 0.03% of their portfolio | 1.8m $119.9m | Added +445.3k |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 3.70% of their portfolio | 1.2m $75.2m | Added +6.5k |
| MILLENNIUM MANAGEMENT LLC 0.08% of their portfolio | 1.1m $73.8m | Added +47.1k |
| MORGAN STANLEY 0.01% of their portfolio | 1.1m $72.8m | Added +707.8k |
| Sand Grove Capital Management LLP 6.64% of their portfolio | 1.1m $69.0m | Added +58.5k |
| Antara Capital LP 7.48% of their portfolio | 949.9k $61.7m | Added +394.2k |
| FARALLON CAPITAL MANAGEMENT, L.L.C. 0.39% of their portfolio | 931.5k $60.5m | Unchanged |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 854.8k $55.6m | Reduced -123.1k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.12% of their portfolio | 796.5k $51.8m | Added +100.9k |
| Melqart Asset Management (UK) Ltd 3.79% of their portfolio | 661.8k $43.0m | Added +191.3k |
| STATE STREET CORP 0.00% of their portfolio | 646.1k $41.3m | Added +5.6k |
| Grantham, Mayo, Van Otterloo & Co. LLC 0.22% of their portfolio | 623.5k $40.5m | Reduced -93.5k |
| HBK INVESTMENTS L P 1.53% of their portfolio | 530.0k $34.4m | Added +300.0k |
| TIG Advisors, LLC 2.30% of their portfolio | 518.6k $33.7m | Added +223.8k |
| SYSTEMATIC FINANCIAL MANAGEMENT LP 1.07% of their portfolio | 500.3k $32.5m | Reduced -12.6k |
| Erste Asset Management GmbH 0.69% of their portfolio | 500.0k $32.5m | Reduced -4.0k |
| AQR Arbitrage LLC 0.82% of their portfolio | 488.9k $31.8m | Added +48.9k |
| BAILLIE GIFFORD & CO 0.03% of their portfolio | 414.3k $26.9m | Reduced -21.9k |
| Segantii Capital Management Ltd 1.03% of their portfolio | 410.0k $26.6m | Added +297.0k |
| MARSHALL WACE, LLP 0.07% of their portfolio | 401.2k $26.1m | Added +18.8k |
| ALPINE ASSOCIATES MANAGEMENT INC. 1.19% of their portfolio | 400.1k $26.0m | Added +59.3k |
| HERALD INVESTMENT MANAGEMENT Ltd 6.13% of their portfolio | 384.9k $25.0m | Unchanged |
| Balyasny Asset Management L.P. 0.09% of their portfolio | 373.0k $24.2m | Added +177.7k |
| RAMIUS ADVISORS LLC 22.16% of their portfolio | 354.0k $23.0m | Added +222.1k |
| WATER ISLAND CAPITAL LLC 1.93% of their portfolio | 351.0k $22.8m | Added +9.0k |
| LAZARD ASSET MANAGEMENT LLC 0.03% of their portfolio | 332.9k $21.6m | Reduced -21.4k |
| M&G INVESTMENT MANAGEMENT LTD 0.13% of their portfolio | 276.8k $18.0m | Added +12.0k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.05% of their portfolio | 255.5k $16.6m | Added +32.5k |
| ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio | 238.0k $15.5m | Reduced -113.4k |
| NATIXIS 0.08% of their portfolio | 220.9k $14.4m | New |
| TUDOR INVESTMENT CORP ET AL 0.35% of their portfolio | 219.0k $14.2m | Added +1.1k |
| UBS Group AG 0.01% of their portfolio | 195.1k $12.7m | Added +25.8k |
| Prospect Capital Advisors, LLC 6.45% of their portfolio | 191.9k $12.5m | Unchanged |
| KENNEDY CAPITAL MANAGEMENT LLC 0.28% of their portfolio | 155.1k $10.1m | Reduced -8.7k |
| Bahl & Gaynor LLC 0.06% of their portfolio | 154.3k $10.0m | Added +16.0k |
| EASTERLY INVESTMENT PARTNERS LLC 0.86% of their portfolio | 153.4k $10.0m | Added +48.6k |
| CITIGROUP INC 0.01% of their portfolio | 150.0k $9.7m | Added +13.6k |
| ACADIAN ASSET MANAGEMENT LLC 0.05% of their portfolio | 147.2k $9.6m | Reduced -258.6k |
| SG Americas Securities, LLC 0.14% of their portfolio | 143.8k $9.3m | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.02% of their portfolio | 138.6k $9.0m | Reduced -6.3k |
| DLD Asset Management, LP 0.84% of their portfolio | 125.0k $8.1m | Added +37.0k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 121.4k $7.9m | Reduced -105.7k |
| Qube Research & Technologies Ltd 0.05% of their portfolio | 119.2k $7.7m | Added +28.8k |
| RICE HALL JAMES & ASSOCIATES, LLC 0.43% of their portfolio | 115.9k $7.5m | Reduced -38.1k |
| PEREGRINE CAPITAL MANAGEMENT LLC 0.24% of their portfolio | 115.5k $7.5m | Reduced -3.8k |
| BOOTHBAY FUND MANAGEMENT, LLC 0.22% of their portfolio | 111.9k $7.3m | Added +66.4k |
| Man Group plc 0.03% of their portfolio | 110.6k $7.2m | Unchanged |
| ExodusPoint Capital Management, LP 0.10% of their portfolio | 100.8k $6.6m | New |
| CITADEL ADVISORS LLC 0.01% of their portfolio | 94.2k $6.1m | Added +84.8k |
| Ovata Capital Management Ltd 2.00% of their portfolio | 94.2k $6.1m | Added +43.6k |
| LMR Partners LLP 0.11% of their portfolio | 92.0k $6.0m | Reduced -18.0k |
| Berry Street Capital Management LLP 2.98% of their portfolio | 87.5k $5.7m | Reduced -62.5k |
| Brookfield Corp /ON/ 0.02% of their portfolio | 85.6k $5.6m | Added +61.6k |
| Apis Capital Advisors, LLC 6.41% of their portfolio | 85.1k $5.5m | Added +100 |
| P SCHOENFELD ASSET MANAGEMENT LP 0.65% of their portfolio | 85.0k $5.5m | New |
| Weiss Asset Management LP 0.26% of their portfolio | 84.1k $5.5m | Added +54.1k |
| THOMAS WHITE INTERNATIONAL LTD 1.19% of their portfolio | 83.2k $5.4m | Reduced -17.1k |
| Centiva Capital, LP 0.43% of their portfolio | 80.0k $5.2m | Added +60.6k |
| Fort Baker Capital Management LP 1.62% of their portfolio | 75.4k $4.9m | Added +1.2k |
| Alpine Global Management, LLC 1.62% of their portfolio | 75.0k $4.9m | Added +25.0k |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 73.9k $4.8m | Reduced -1.1k |
| PRELUDE CAPITAL MANAGEMENT, LLC 0.30% of their portfolio | 73.5k $4.8m | Reduced -1.3k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 73.2k $4.8m | Reduced -4.9k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.02% of their portfolio | 73.1k $4.8m | New |
| Westchester Capital Management, LLC 0.14% of their portfolio | 72.6k $4.7m | Reduced -1.0m |
| NAPLES GLOBAL ADVISORS, LLC 0.56% of their portfolio | 67.3k $4.4m | Added +1.8k |
| Verition Fund Management LLC 0.08% of their portfolio | 67.0k $4.4m | Added +52.9k |
| Janney Montgomery Scott LLC 0.02% of their portfolio | 66.3k $4.3m | Added +2.2k |
| Hodges Capital Management Inc. 0.36% of their portfolio | 62.8k $4.1m | Reduced -5.2k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 61.4k $4.0m | Added +10.3k |
| Nokomis Capital, L.L.C. 1.65% of their portfolio | 60.1k $3.9m | Unchanged |
| NISA INVESTMENT ADVISORS, LLC 0.03% of their portfolio | 59.0k $3.8m | New |
| TWO SIGMA ADVISERS, LP 0.01% of their portfolio | 59.0k $3.8m | Reduced -8.8k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.01% of their portfolio | 55.5k $3.6m | New |
| Virtus Family Office LLC 7.25% of their portfolio | 48.5k $3.2m | Added +14.6k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 44.8k $2.9m | Added +17.2k |
| Murchinson Ltd. 0.38% of their portfolio | 44.6k $2.9m | New |
| GROUP ONE TRADING LLC 0.10% of their portfolio | 43.8k $2.8m | New |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 41.9k $2.7m | Added +36.6k |
| 272 Capital LP 1.21% of their portfolio | 41.5k $2.7m | New |
| TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio | 40.1k $2.6m | Added +4.7k |
| J.P. Morgan Private Wealth Advisors LLC 0.01% of their portfolio | 39.6k $2.6m | Added +1.2k |
| Robeco Institutional Asset Management B.V. 0.01% of their portfolio | 37.1k $2.4m | New |
| MASO CAPITAL PARTNERS Ltd 0.87% of their portfolio | 36.8k $2.4m | Unchanged |
| Legal & General Group Plc 0.00% of their portfolio | 36.6k $2.4m | Added +5.7k |
| OAK ASSOCIATES LTD /OH/ 0.20% of their portfolio | 36.5k $2.4m | Reduced -2.7k |
| Cerity Partners LLC 0.02% of their portfolio | 36.1k $2.3m | New |
| PARADIGM CAPITAL MANAGEMENT INC/NY 0.15% of their portfolio | 35.0k $2.3m | New |
| Handelsbanken Fonder AB 0.01% of their portfolio | 33.9k $2.2m | Unchanged |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 33.8k $2.2m | Added +151 |
| Aristides Capital LLC 1.35% of their portfolio | 33.7k $2.2m | Unchanged |
| Crestline Management, L.P. 0.31% of their portfolio | 33.1k $2.1m | New |
| Millrace Asset Group, Inc. 2.37% of their portfolio | 32.2k $2.1m | Added +21 |
| Lombard Odier Asset Management (USA) Corp 0.33% of their portfolio | 31.3k $2.0m | Added +14.3k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 31.3k $2.0m | Reduced -52.3k |
| Cullen Capital Management, LLC 0.02% of their portfolio | 29.2k $1.9m | Reduced -11.2k |
| SEI INVESTMENTS CO 0.00% of their portfolio | 28.6k $1.9m | Reduced -29.7k |
| GABELLI & Co INVESTMENT ADVISERS, INC. 0.36% of their portfolio | 26.1k $1.7m | Reduced -901 |
| Advisors Asset Management, Inc. 0.03% of their portfolio | 25.4k $1.7m | Reduced -8.4k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 25.4k $1.6m | Added +3.2k |