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 ($5.0m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $71.64. Options: 32 managers hold calls ($428.6m notional), 30 hold puts ($459.5m).
Trends to Q2 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 202 |
| Q4 2022 | 198 |
| Q1 2023 | 198 |
| Q2 2023 | 203 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 110 | 98 |
| Q1 2023 | 100 | 98 |
| Q2 2023 | 86 | 116 |
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 |
| Q1 2023 | $166.8m | $207.9m | 1.25 |
| Q2 2023 | $428.6m | $459.5m | 1.07 |
Biggest buyers
| Beryl Capital Management LLC | New | +962.9k |
| D. E. Shaw & Co., Inc. | New | +803.2k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | Added | +688.8k |
| TIG Advisors, LLC | New | +630.9k |
| BLUEFIN CAPITAL MANAGEMENT, LLC | New | +580.7k |
| HBK INVESTMENTS L P | Added | +539.8k |
| LMR Partners LLP | Added | +234.6k |
| MILLENNIUM MANAGEMENT LLC | Added | +230.8k |
| FARALLON CAPITAL MANAGEMENT, L.L.C. | Added | +230.0k |
| ALPINE ASSOCIATES MANAGEMENT INC. | Added | +171.1k |
Biggest sellers
| BLUEFIN CAPITAL MANAGEMENT, LLC | Sold out | -647.1k |
| STATE STREET CORP | Reduced | -613.8k |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | Reduced | -586.6k |
| MORGAN STANLEY | Reduced | -391.2k |
| Westchester Capital Management, LLC | Sold out | -304.1k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Reduced | -290.8k |
| RENAISSANCE TECHNOLOGIES LLC | Sold out | -288.7k |
| Grantham, Mayo, Van Otterloo & Co. LLC | Reduced | -274.6k |
| Sand Grove Capital Management LLP | Reduced | -242.7k |
| MARSHALL WACE, LLP | Reduced | -219.4k |
Biggest calls
| Antara Capital LP | Added | $136.8m1.9m shares |
| Maven Securities LTD | Added | $95.9m1.3m shares |
| P SCHOENFELD ASSET MANAGEMENT LP | Added | $43.1m600.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $25.1m349.1k shares |
| HBK INVESTMENTS L P | Unchanged | $21.6m300.0k shares |
| GROUP ONE TRADING LLC | Added | $13.5m188.0k shares |
| JANE STREET GROUP, LLC | New | $13.2m183.4k shares |
| CITIGROUP INC | Added | $11.0m152.5k shares |
| SIMPLEX TRADING, LLC | Added | $10.1m140.4k shares |
| CITADEL ADVISORS LLC | Added | $9.3m129.6k shares |
Biggest puts
| Antara Capital LP | Added | $81.8m1.1m shares |
| GROUP ONE TRADING LLC | Added | $63.2m880.1k shares |
| Beryl Capital Management LLC | New | $57.5m800.0k shares |
| Maven Securities LTD | Added | $52.5m730.7k shares |
| CITIGROUP INC | Reduced | $42.3m588.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $31.2m434.8k shares |
| Sand Grove Capital Management LLP | New | $21.2m295.3k shares |
| JANE STREET GROUP, LLC | Added | $21.2m294.7k shares |
| MILLENNIUM MANAGEMENT LLC | New | $18.5m256.8k shares |
| LMR Partners LLP | New | $15.5m215.5k 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 Q2 2023
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 Q2 2023.
Holders, Q2 2023
| Manager | Shares | Change |
|---|---|---|
| MILLENNIUM MANAGEMENT LLC 0.10% of their portfolio | 1.3m $96.2m | Added +230.8k |
| Beryl Capital Management LLC 21.35% of their portfolio | 962.9k $69.2m | New |
| FARALLON CAPITAL MANAGEMENT, L.L.C. 0.40% of their portfolio | 935.0k $67.2m | Added +230.0k |
| D. E. Shaw & Co., Inc. 0.09% of their portfolio | 803.2k $57.7m | New |
| HBK INVESTMENTS L P 1.83% of their portfolio | 800.0k $57.5m | Added +539.8k |
| MORGAN STANLEY 0.01% of their portfolio | 795.1k $57.1m | Reduced -391.2k |
| Melqart Asset Management (UK) Ltd 5.03% of their portfolio | 766.1k $55.1m | Reduced -213.1k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.25% of their portfolio | 761.9k $54.8m | Added +688.8k |
| TIG Advisors, LLC 2.73% of their portfolio | 630.9k $45.3m | New |
| Sand Grove Capital Management LLP 6.73% of their portfolio | 622.3k $44.7m | Reduced -242.7k |
| BLUEFIN CAPITAL MANAGEMENT, LLC 9.51% of their portfolio | 580.7k $41.7m | New |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 0.88% of their portfolio | 580.0k $41.7m | Reduced -586.6k |
| HAWK RIDGE CAPITAL MANAGEMENT LP 2.21% of their portfolio | 579.1k $41.6m | Reduced -86.1k |
| ALPINE ASSOCIATES MANAGEMENT INC. 1.85% of their portfolio | 570.6k $41.0m | Added +171.1k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 547.2k $39.3m | Added +95.9k |
| CITIGROUP INC 0.05% of their portfolio | 511.7k $36.8m | Reduced -126.4k |
| Erste Asset Management GmbH 0.64% of their portfolio | 504.0k $36.2m | Unchanged |
| SYSTEMATIC FINANCIAL MANAGEMENT LP 1.08% of their portfolio | 475.1k $34.1m | Reduced -6.2k |
| Balyasny Asset Management L.P. 0.09% of their portfolio | 456.7k $32.8m | Reduced -65.8k |
| MARSHALL WACE, LLP 0.06% of their portfolio | 413.1k $29.7m | Reduced -219.4k |
| LAZARD ASSET MANAGEMENT LLC 0.04% of their portfolio | 408.5k $29.4m | Added +63.3k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.06% of their portfolio | 392.1k $28.2m | Reduced -290.8k |
| HERALD INVESTMENT MANAGEMENT Ltd 5.37% of their portfolio | 384.9k $27.7m | Unchanged |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 356.6k $25.6m | Reduced -205.3k |
| Grantham, Mayo, Van Otterloo & Co. LLC 0.12% of their portfolio | 350.2k $25.2m | Reduced -274.6k |
| WATER ISLAND CAPITAL LLC 2.33% of their portfolio | 348.8k $25.1m | Reduced -2.1k |
| LMR Partners LLP 0.51% of their portfolio | 309.0k $22.2m | Added +234.6k |
| Segantii Capital Management Ltd 1.27% of their portfolio | 300.0k $21.6m | Reduced -10.0k |
| ExodusPoint Capital Management, LP 0.24% of their portfolio | 290.9k $20.9m | Added +95.1k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.05% of their portfolio | 260.1k $18.7m | Added +1.4k |
| Berry Street Capital Management LLP 7.85% of their portfolio | 256.2k $18.4m | Added +68.8k |
| UBS Group AG 0.01% of their portfolio | 254.8k $18.3m | Added +37.7k |
| Prospect Capital Advisors, LLC 6.54% of their portfolio | 240.3k $17.3m | Added +30.8k |
| AQR Arbitrage LLC 0.74% of their portfolio | 239.1k $17.2m | Reduced -207.1k |
| GROUP ONE TRADING LLC 0.68% of their portfolio | 222.0k $16.0m | Added +63.5k |
| M&G INVESTMENT MANAGEMENT LTD 0.09% of their portfolio | 213.3k $15.4m | Reduced -73.4k |
| TWO SIGMA ADVISERS, LP 0.04% of their portfolio | 200.0k $14.4m | Added +70.2k |
| ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio | 173.5k $12.5m | Reduced -45.3k |
| NATIONAL BANK OF CANADA /FI/ 0.02% of their portfolio | 166.9k $11.7m | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.02% of their portfolio | 162.8k $11.7m | Added +18.2k |
| EASTERLY INVESTMENT PARTNERS LLC 0.99% of their portfolio | 154.4k $11.1m | Added +4.1k |
| HEARTLAND ADVISORS INC 0.62% of their portfolio | 150.0k $10.8m | Added +50.0k |
| MASO CAPITAL PARTNERS Ltd 4.26% of their portfolio | 135.3k $9.7m | Added +83.5k |
| Verition Fund Management LLC 0.14% of their portfolio | 126.7k $9.1m | Added +23.4k |
| Davidson Kempner Capital Management LP 0.19% of their portfolio | 126.4k $9.1m | Not comparable |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 120.3k $8.6m | Added +109.9k |
| PEREGRINE CAPITAL MANAGEMENT LLC 0.23% of their portfolio | 119.2k $8.6m | Reduced -136 |
| FMR LLC 0.00% of their portfolio | 102.1k $7.3m | Reduced -36.3k |
| 272 Capital LP 2.66% of their portfolio | 100.6k $7.2m | Reduced -41.7k |
| Alpine Global Management, LLC 1.04% of their portfolio | 100.0k $7.2m | Added +50.0k |
| KENNEDY CAPITAL MANAGEMENT LLC 0.16% of their portfolio | 95.6k $6.9m | Reduced -44.8k |
| BARCLAYS PLC 0.00% of their portfolio | 93.5k $6.7m | Added +93.0k |
| Samson Rock Capital LLP 9.77% of their portfolio | 90.0k $6.5m | New |
| COOPER CREEK PARTNERS MANAGEMENT LLC 0.43% of their portfolio | 87.3k $6.3m | New |
| THOMAS WHITE INTERNATIONAL LTD 1.29% of their portfolio | 86.0k $6.2m | Added +5.5k |
| THOMPSON SIEGEL & WALMSLEY LLC 0.10% of their portfolio | 85.0k $6.1m | Added +31.1k |
| HAP Trading, LLC 1.70% of their portfolio | 83.6k $6.0m | Reduced -117.2k |
| Perpetual Ltd 0.04% of their portfolio | 77.9k $4.3m | Added +27.4k |
| TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio | 76.1k $5.5m | Added +32 |
| JANE STREET GROUP, LLC 0.01% of their portfolio | 72.8k $5.2m | New |
| SG Americas Securities, LLC 0.04% of their portfolio | 71.0k $5.1m | Added +9 |
| NAPLES GLOBAL ADVISORS, LLC 0.59% of their portfolio | 69.6k $5.0m | Added +725 |
| Janney Montgomery Scott LLC 0.02% of their portfolio | 67.3k $4.8m | Reduced -82 |
| Boussard & Gavaudan Investment Management LLP 0.46% of their portfolio | 65.1k $4.8m | Reduced -14.0k |
| Weiss Asset Management LP 0.58% of their portfolio | 64.1k $4.6m | Reduced -38.6k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 60.6k $4.4m | Reduced -11.4k |
| Brookfield Corp /ON/ 0.02% of their portfolio | 60.0k $4.3m | Reduced -10.0k |
| Apis Capital Advisors, LLC 4.06% of their portfolio | 56.0k $4.0m | Reduced -30.0k |
| Nokomis Capital, L.L.C. 1.46% of their portfolio | 55.6k $4.0m | Reduced -4.5k |
| Hiddenite Capital Partners LP 5.08% of their portfolio | 55.0k $4.0m | New |
| Hodges Capital Management Inc. 0.00% of their portfolio | 53.4k $5.7k | Added +12.2k |
| Kapitalo Investimentos Ltda 0.69% of their portfolio | 51.9k $3.7m | Added +10.7k |
| BOOTHBAY FUND MANAGEMENT, LLC 0.12% of their portfolio | 51.5k $3.7m | Reduced -64.2k |
| STATE STREET CORP 0.00% of their portfolio | 50.3k $3.6m | Reduced -613.8k |
| Virtus Family Office LLC 6.68% of their portfolio | 50.2k $3.6m | Reduced -538 |
| Squarepoint Ops LLC 0.02% of their portfolio | 49.7k $3.6m | Added +17.7k |
| ABN AMRO INVESTMENT SOLUTIONS 0.07% of their portfolio | 47.3k $3.4m | Reduced -15.2k |
| Trium Capital LLP 0.92% of their portfolio | 45.7k $3.3m | Added +14.5k |
| Fort Baker Capital Management LP 0.45% of their portfolio | 43.9k $3.2m | Reduced -134.2k |
| Force Hill Capital Management LP 0.67% of their portfolio | 43.3k $3.1m | Reduced -3.6k |
| BARDIN HILL MANAGEMENT PARTNERS LP 0.80% of their portfolio | 42.4k $3.0m | Added +24.2k |
| Calamos Advisors LLC 0.02% of their portfolio | 42.1k $3.0m | Added +10.0k |
| GABELLI FUNDS LLC 0.02% of their portfolio | 41.2k $3.0m | New |
| P SCHOENFELD ASSET MANAGEMENT LP 0.37% of their portfolio | 37.5k $2.7m | Reduced -189.5k |
| Robeco Institutional Asset Management B.V. 0.01% of their portfolio | 37.1k $2.7m | Unchanged |
| Handelsbanken Fonder AB 0.01% of their portfolio | 35.5k $2.6m | Unchanged |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 34.7k $2.5m | Reduced -25.8k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 34.1k $2.5m | Added +70 |
| Cerity Partners LLC 0.01% of their portfolio | 34.0k $2.4m | Reduced -1.4k |
| OAK ASSOCIATES LTD /OH/ 0.19% of their portfolio | 33.8k $2.4m | Reduced -2.7k |
| Aristides Capital LLC 1.43% of their portfolio | 33.7k $2.4m | Unchanged |
| HARVEST MANAGEMENT LLC 2.38% of their portfolio | 32.5k $2.3m | Added +12.5k |
| SEI INVESTMENTS CO 0.00% of their portfolio | 31.4k $2.3m | Added +779 |
| PEAK6 Investments LLC 0.19% of their portfolio | 31.0k $2.2m | Added +10.5k |
| Cullen Capital Management, LLC 0.02% of their portfolio | 29.9k $2.1m | Reduced -1.8k |
| Crestline Management, L.P. 0.23% of their portfolio | 29.3k $2.1m | Added +1.0k |
| PRELUDE CAPITAL MANAGEMENT, LLC 0.17% of their portfolio | 28.9k $2.1m | Reduced -33.4k |
| NATIXIS 0.02% of their portfolio | 28.2k $2.0m | Reduced -33.9k |
| EQUITEC PROPRIETARY MARKETS, LLC 1.42% of their portfolio | 27.9k $2.0m | Added +20.0k |
| FIFTH LANE CAPITAL, LP 1.93% of their portfolio | 27.5k $2.0m | Added +808 |