Vault-13

SILICON MOTION TECHNOLOGY CO SIMO

SPONSORED ADR · ADR · CUSIP 82706C108 · ISIN US82706C1080

American-Taiwanese electronics technology company

198 institutional holders -4 vs Q3 2022
24,801,18624.8m shares reported held*
$1.6bnreported value*
37 new 73 added 61 reduced 37 sold out net sold ≈ $2.5m (-41.1k shares)

* 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

0100200300Q3 22: 202Q4 22: 198198Q3 22Q4 22
Numbers
QuarterHolders
Q3 2022202
Q4 2022198

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$50m$100m$150m$200mQ3 22 calls: $44.5mQ3 22 puts: $66.7mQ3 22P/C 1.50Q4 22 calls: $58.1mQ4 22 puts: $172.0mQ4 22P/C 2.96
Numbers
QuarterCallsPutsP/C
Q3 2022$44.5m$66.7m1.50
Q4 2022$58.1m$172.0m2.96

Biggest buyers

MORGAN STANLEY Added +707,765+707.8k
GOLDMAN SACHS GROUP INC Added +445,339+445.3k
Antara Capital LP Added +394,177+394.2k
HBK INVESTMENTS L P Added +300,000+300.0k
Segantii Capital Management Ltd Added +297,000+297.0k
TIG Advisors, LLC Added +223,752+223.8k
RAMIUS ADVISORS LLC Added +222,090+222.1k
NATIXIS New +220,898+220.9k
Melqart Asset Management (UK) Ltd Added +191,317+191.3k
Balyasny Asset Management L.P. Added +177,690+177.7k

Biggest sellers

Westchester Capital Management, LLC Reduced -1,000,624-1.0m
MANGROVE PARTNERS IM, LLC Sold out -741,160-741.2k
CARDINAL CAPITAL MANAGEMENT LLC /CT Sold out -455,648-455.6k
Woodline Partners LP Sold out -305,600-305.6k
ACADIAN ASSET MANAGEMENT LLC Reduced -258,590-258.6k
LORD, ABBETT & CO. LLC Sold out -249,349-249.3k
Taconic Capital Advisors LP Reduced -205,000-205.0k
Maven Securities LTD Sold out -150,000-150.0k
BANK OF AMERICA CORP /DE/ Reduced -123,111-123.1k
AIGH Capital Management LLC Sold out -114,400-114.4k

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.

HolderStakeChangeShares Last filed
FMR LLC 13G · institution -3.3 pts · filed 2026-08-06 6.7% -3.3 pts 9.1m 2026-08-06

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

#ManagerLocationShares Value% of their portfolioChangeShares change
1 GOLDMAN SACHS GROUP INC 0.03% of their portfolio NEW YORK, NY 1,844,6301.8m $119.9m $119.9m 0.03% Added +445.3k +445,339
2 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 3.70% of their portfolio CHICAGO, IL 1,157,0281.2m $75.2m $75.2m 3.70% Added +6.5k +6,486
3 MILLENNIUM MANAGEMENT LLC 0.08% of their portfolio NEW YORK, NY 1,135,8771.1m $73.8m $73.8m 0.08% Added +47.1k +47,147
4 MORGAN STANLEY 0.01% of their portfolio NEW YORK, NY 1,119,4711.1m $72.8m $72.8m 0.01% Added +707.8k +707,765
5 Sand Grove Capital Management LLP 6.64% of their portfolio LONDON, X0 1,061,0551.1m $69.0m $69.0m 6.64% Added +58.5k +58,496
6 Antara Capital LP 7.48% of their portfolio New York, NY 949,927949.9k $61.7m $61.7m 7.48% Added +394.2k +394,177
7 FARALLON CAPITAL MANAGEMENT, L.L.C. 0.39% of their portfolio SAN FRANCISCO, CA 931,510931.5k $60.5m $60.5m 0.39% Unchanged
8 BANK OF AMERICA CORP /DE/ 0.01% of their portfolio CHARLOTTE, NC 854,774854.8k $55.6m $55.6m 0.01% Reduced -123.1k -123,111
9 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.12% of their portfolio Boston, MA 796,537796.5k $51.8m $51.8m 0.12% Added +100.9k +100,912
10 Melqart Asset Management (UK) Ltd 3.79% of their portfolio London, X0 661,841661.8k $43.0m $43.0m 3.79% Added +191.3k +191,317
11 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 646,124646.1k $41.3m $41.3m 0.00% Added +5.6k +5,611
12 Grantham, Mayo, Van Otterloo & Co. LLC 0.22% of their portfolio Boston, MA 623,461623.5k $40.5m $40.5m 0.22% Reduced -93.5k -93,457
13 HBK INVESTMENTS L P 1.53% of their portfolio DALLAS, TX 530,000530.0k $34.4m $34.4m 1.53% Added +300.0k +300,000
14 TIG Advisors, LLC 2.30% of their portfolio New York, NY 518,627518.6k $33.7m $33.7m 2.30% Added +223.8k +223,752
15 SYSTEMATIC FINANCIAL MANAGEMENT LP 1.07% of their portfolio TEANECK, NJ 500,305500.3k $32.5m $32.5m 1.07% Reduced -12.6k -12,610
16 Erste Asset Management GmbH 0.69% of their portfolio VIENNA, C4 500,000500.0k $32.5m $32.5m 0.69% Reduced -4.0k -4,000
17 AQR Arbitrage LLC 0.82% of their portfolio Greenwich, CT 488,914488.9k $31.8m $31.8m 0.82% Added +48.9k +48,873
18 BAILLIE GIFFORD & CO 0.03% of their portfolio EDINBURGH, X0 414,300414.3k $26.9m $26.9m 0.03% Reduced -21.9k -21,928
19 Segantii Capital Management Ltd 1.03% of their portfolio HONG KONG, K3 410,000410.0k $26.6m $26.6m 1.03% Added +297.0k +297,000
20 MARSHALL WACE, LLP 0.07% of their portfolio LONDON, X0 401,189401.2k $26.1m $26.1m 0.07% Added +18.8k +18,781
21 ALPINE ASSOCIATES MANAGEMENT INC. 1.19% of their portfolio PALM BEACH, FL 400,066400.1k $26.0m $26.0m 1.19% Added +59.3k +59,300
22 HERALD INVESTMENT MANAGEMENT Ltd 6.13% of their portfolio LONDON, X0 384,906384.9k $25.0m $25.0m 6.13% Unchanged
23 Balyasny Asset Management L.P. 0.09% of their portfolio Chicago, IL 373,020373.0k $24.2m $24.2m 0.09% Added +177.7k +177,690
24 RAMIUS ADVISORS LLC 22.16% of their portfolio NEW YORK, NY 354,030354.0k $23.0m $23.0m 22.16% Added +222.1k +222,090
25 WATER ISLAND CAPITAL LLC 1.93% of their portfolio NEW YORK, NY 350,981351.0k $22.8m $22.8m 1.93% Added +9.0k +9,040
26 LAZARD ASSET MANAGEMENT LLC 0.03% of their portfolio NEW YORK, NY 332,938332.9k $21.6m $21.6m 0.03% Reduced -21.4k -21,356
27 M&G INVESTMENT MANAGEMENT LTD 0.13% of their portfolio London, X0 276,811276.8k $18.0m $18.0m 0.13% Added +12.0k +11,970
28 STATE OF WISCONSIN INVESTMENT BOARD 0.05% of their portfolio MADISON, WI 255,500255.5k $16.6m $16.6m 0.05% Added +32.5k +32,500
29 ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio NASHVILLE, TN 237,959238.0k $15.5m $15.5m 0.01% Reduced -113.4k -113,429
30 NATIXIS 0.08% of their portfolio PARIS, I0 220,898220.9k $14.4m $14.4m 0.08% New
31 TUDOR INVESTMENT CORP ET AL 0.35% of their portfolio STAMFORD, CT 218,978219.0k $14.2m $14.2m 0.35% Added +1.1k +1,130
32 UBS Group AG 0.01% of their portfolio ZURICH, V8 195,126195.1k $12.7m $12.7m 0.01% Added +25.8k +25,818
33 Prospect Capital Advisors, LLC 6.45% of their portfolio Sausalito, CA 191,900191.9k $12.5m $12.5m 6.45% Unchanged
34 KENNEDY CAPITAL MANAGEMENT LLC 0.28% of their portfolio ST LOUIS, MO 155,061155.1k $10.1m $10.1m 0.28% Reduced -8.7k -8,666
35 Bahl & Gaynor LLC 0.06% of their portfolio CINCINNATI, OH 154,295154.3k $10.0m $10.0m 0.06% Added +16.0k +16,008
36 EASTERLY INVESTMENT PARTNERS LLC 0.86% of their portfolio BEVERLY, MA 153,388153.4k $10.0m $10.0m 0.86% Added +48.6k +48,580
37 CITIGROUP INC 0.01% of their portfolio NEW YORK, NY 149,957150.0k $9.7m $9.7m 0.01% Added +13.6k +13,633
38 ACADIAN ASSET MANAGEMENT LLC 0.05% of their portfolio Boston, MA 147,233147.2k $9.6m $9.6m 0.05% Reduced -258.6k -258,590
39 SG Americas Securities, LLC 0.14% of their portfolio NEW YORK, NY 143,799143.8k $9.3m $9.3m 0.14% New
40 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.02% of their portfolio BALA CYNWYD, PA 138,638138.6k $9.0m $9.0m 0.02% Reduced -6.3k -6,341
41 DLD Asset Management, LP 0.84% of their portfolio NEW YORK, NY 125,000125.0k $8.1m $8.1m 0.84% Added +37.0k +37,000
42 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 121,447121.4k $7.9m $7.9m 0.00% Reduced -105.7k -105,706
43 Qube Research & Technologies Ltd 0.05% of their portfolio LONDON, X0 119,238119.2k $7.7m $7.7m 0.05% Added +28.8k +28,799
44 RICE HALL JAMES & ASSOCIATES, LLC 0.43% of their portfolio San Diego, CA 115,866115.9k $7.5m $7.5m 0.43% Reduced -38.1k -38,117
45 PEREGRINE CAPITAL MANAGEMENT LLC 0.24% of their portfolio MINNEAPOLIS, MN 115,495115.5k $7.5m $7.5m 0.24% Reduced -3.8k -3,814
46 BOOTHBAY FUND MANAGEMENT, LLC 0.22% of their portfolio NEW YORK, NY 111,931111.9k $7.3m $7.3m 0.22% Added +66.4k +66,405
47 Man Group plc 0.03% of their portfolio LONDON, X0 110,575110.6k $7.2m $7.2m 0.03% Unchanged
48 ExodusPoint Capital Management, LP 0.10% of their portfolio NEW YORK, NY 100,801100.8k $6.6m $6.6m 0.10% New
49 CITADEL ADVISORS LLC 0.01% of their portfolio MIAMI, FL 94,20094.2k $6.1m $6.1m 0.01% Added +84.8k +84,793
50 Ovata Capital Management Ltd 2.00% of their portfolio HONG KONG, K3 94,17194.2k $6.1m $6.1m 2.00% Added +43.6k +43,566
51 LMR Partners LLP 0.11% of their portfolio LONDON, X0 91,95192.0k $6.0m $6.0m 0.11% Reduced -18.0k -18,049
52 Berry Street Capital Management LLP 2.98% of their portfolio LONDON, X0 87,50087.5k $5.7m $5.7m 2.98% Reduced -62.5k -62,500
53 Brookfield Corp /ON/ 0.02% of their portfolio TORONTO, A6 85,55685.6k $5.6m $5.6m 0.02% Added +61.6k +61,556
54 Apis Capital Advisors, LLC 6.41% of their portfolio New York, NY 85,10085.1k $5.5m $5.5m 6.41% Added +100 +100
55 P SCHOENFELD ASSET MANAGEMENT LP 0.65% of their portfolio NEW YORK, NY 85,00085.0k $5.5m $5.5m 0.65% New
56 Weiss Asset Management LP 0.26% of their portfolio BOSTON, MA 84,08284.1k $5.5m $5.5m 0.26% Added +54.1k +54,079
57 THOMAS WHITE INTERNATIONAL LTD 1.19% of their portfolio CHICAGO, IL 83,24883.2k $5.4m $5.4m 1.19% Reduced -17.1k -17,107
58 Centiva Capital, LP 0.43% of their portfolio New York, NY 80,00080.0k $5.2m $5.2m 0.43% Added +60.6k +60,592
59 Fort Baker Capital Management LP 1.62% of their portfolio Larkspur, CA 75,41175.4k $4.9m $4.9m 1.62% Added +1.2k +1,217
60 Alpine Global Management, LLC 1.62% of their portfolio NEW YORK, NY 75,00075.0k $4.9m $4.9m 1.62% Added +25.0k +25,000
61 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 73,87973.9k $4.8m $4.8m 0.01% Reduced -1.1k -1,121
62 PRELUDE CAPITAL MANAGEMENT, LLC 0.30% of their portfolio NEW YORK, NY 73,51673.5k $4.8m $4.8m 0.30% Reduced -1.3k -1,279
63 WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio Boston, MA 73,19873.2k $4.8m $4.8m 0.00% Reduced -4.9k -4,941
64 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.02% of their portfolio TORONTO, A6 73,10073.1k $4.8m $4.8m 0.02% New
65 Westchester Capital Management, LLC 0.14% of their portfolio VALHALLA, NY 72,59472.6k $4.7m $4.7m 0.14% Reduced -1.0m -1,000,624
66 NAPLES GLOBAL ADVISORS, LLC 0.56% of their portfolio NAPLES, FL 67,26867.3k $4.4m $4.4m 0.56% Added +1.8k +1,805
67 Verition Fund Management LLC 0.08% of their portfolio GREENWICH, CT 66,96867.0k $4.4m $4.4m 0.08% Added +52.9k +52,878
68 Janney Montgomery Scott LLC 0.02% of their portfolio PHILADELPHIA, PA 66,34866.3k $4.3m $4.3m 0.02% Added +2.2k +2,163
69 Hodges Capital Management Inc. 0.36% of their portfolio DALLAS, TX 62,82062.8k $4.1m $4.1m 0.36% Reduced -5.2k -5,247
70 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 61,41561.4k $4.0m $4.0m 0.00% Added +10.3k +10,279
71 Nokomis Capital, L.L.C. 1.65% of their portfolio DALLAS, TX 60,07360.1k $3.9m $3.9m 1.65% Unchanged
72 NISA INVESTMENT ADVISORS, LLC 0.03% of their portfolio ST. LOUIS, MO 59,00059.0k $3.8m $3.8m 0.03% New
73 TWO SIGMA ADVISERS, LP 0.01% of their portfolio NEW YORK, NY 58,98159.0k $3.8m $3.8m 0.01% Reduced -8.8k -8,800
74 CANADA PENSION PLAN INVESTMENT BOARD 0.01% of their portfolio TORONTO ONTARIO, A6 55,50055.5k $3.6m $3.6m 0.01% New
75 Virtus Family Office LLC 7.25% of their portfolio EL PASO, TX 48,50748.5k $3.2m $3.2m 7.25% Added +14.6k +14,559
76 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 44,79644.8k $2.9m $2.9m 0.00% Added +17.2k +17,215
77 Murchinson Ltd. 0.38% of their portfolio TORONTO, A6 44,63444.6k $2.9m $2.9m 0.38% New
78 GROUP ONE TRADING LLC 0.10% of their portfolio CHICAGO, IL 43,83143.8k $2.8m $2.8m 0.10% New
79 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 41,86841.9k $2.7m $2.7m 0.00% Added +36.6k +36,588
80 272 Capital LP 1.21% of their portfolio DALLAS, TX 41,50041.5k $2.7m $2.7m 1.21% New
81 TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio NEW YORK, NY 40,10040.1k $2.6m $2.6m 0.01% Added +4.7k +4,711
82 J.P. Morgan Private Wealth Advisors LLC 0.01% of their portfolio SAN FRANCISCO, CA 39,58739.6k $2.6m $2.6m 0.01% Added +1.2k +1,226
83 Robeco Institutional Asset Management B.V. 0.01% of their portfolio ROTTERDAM, P7 37,08837.1k $2.4m $2.4m 0.01% New
84 MASO CAPITAL PARTNERS Ltd 0.87% of their portfolio HONG KONG, K3 36,81436.8k $2.4m $2.4m 0.87% Unchanged
85 Legal & General Group Plc 0.00% of their portfolio London, X0 36,61036.6k $2.4m $2.4m 0.00% Added +5.7k +5,731
86 OAK ASSOCIATES LTD /OH/ 0.20% of their portfolio AKRON, OH 36,53336.5k $2.4m $2.4m 0.20% Reduced -2.7k -2,736
87 Cerity Partners LLC 0.02% of their portfolio NEW YORK, NY 36,13336.1k $2.3m $2.3m 0.02% New
88 PARADIGM CAPITAL MANAGEMENT INC/NY 0.15% of their portfolio ALBANY, NY 35,00035.0k $2.3m $2.3m 0.15% New
89 Handelsbanken Fonder AB 0.01% of their portfolio STOCKHOLM, V7 33,90033.9k $2.2m $2.2m 0.01% Unchanged
90 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 33,77933.8k $2.2m $2.2m 0.00% Added +151 +151
91 Aristides Capital LLC 1.35% of their portfolio LOUISVILLE, KY 33,65633.7k $2.2m $2.2m 1.35% Unchanged
92 Crestline Management, L.P. 0.31% of their portfolio FORT WORTH, TX 33,07133.1k $2.1m $2.1m 0.31% New
93 Millrace Asset Group, Inc. 2.37% of their portfolio BERWYN, PA 32,20732.2k $2.1m $2.1m 2.37% Added +21 +21
94 Lombard Odier Asset Management (USA) Corp 0.33% of their portfolio New York, NY 31,31031.3k $2.0m $2.0m 0.33% Added +14.3k +14,310
95 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 31,27431.3k $2.0m $2.0m 0.00% Reduced -52.3k -52,338
96 Cullen Capital Management, LLC 0.02% of their portfolio New York, NY 29,24029.2k $1.9m $1.9m 0.02% Reduced -11.2k -11,242
97 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 28,61328.6k $1.9m $1.9m 0.00% Reduced -29.7k -29,660
98 GABELLI & Co INVESTMENT ADVISERS, INC. 0.36% of their portfolio Rye, NY 26,14826.1k $1.7m $1.7m 0.36% Reduced -901 -901
99 Advisors Asset Management, Inc. 0.03% of their portfolio Monument, CO 25,42025.4k $1.7m $1.7m 0.03% Reduced -8.4k -8,407
100 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 25,37925.4k $1.6m $1.6m 0.00% Added +3.2k +3,240