Vault-13

SILICON MOTION TECHNOLOGY CO SIMO

SPONSORED ADR · ADR · CUSIP 82706C108 · ISIN US82706C1080

American-Taiwanese electronics technology company

203 institutional holders +5 vs Q1 2023
23,781,82323.8m shares reported held*
$1.7bnreported value*
29 new 57 added 89 reduced 27 sold out net sold ≈ $27.7m (+351.5k 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 ($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

0100200300Q3 22: 202Q4 22: 198Q1 23: 198Q2 23: 203203Q3 22Q4 22Q1 23Q2 23
Numbers
QuarterHolders
Q3 2022202
Q4 2022198
Q1 2023198
Q2 2023203

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q4 22: 110 bought or addedQ4 22: 98 cut or sold outQ4 22Q1 23: 100 bought or addedQ1 23: 98 cut or sold outQ1 23Q2 23: 86 bought or addedQ2 23: 116 cut or sold outQ2 23
Numbers
QuarterBought or addedCut or sold out
Q4 202211098
Q1 202310098
Q2 202386116

Calls vs puts

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

CallsPuts
$0$200m$400m$600mQ3 22 calls: $44.5mQ3 22 puts: $66.7mQ3 22P/C 1.50Q4 22 calls: $58.1mQ4 22 puts: $172.0mQ4 22P/C 2.96Q1 23 calls: $166.8mQ1 23 puts: $207.9mQ1 23P/C 1.25Q2 23 calls: $428.6mQ2 23 puts: $459.5mQ2 23P/C 1.07
Numbers
QuarterCallsPutsP/C
Q3 2022$44.5m$66.7m1.50
Q4 2022$58.1m$172.0m2.96
Q1 2023$166.8m$207.9m1.25
Q2 2023$428.6m$459.5m1.07

Biggest buyers

Beryl Capital Management LLC New +962,892+962.9k
D. E. Shaw & Co., Inc. New +803,245+803.2k
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Added +688,800+688.8k
TIG Advisors, LLC New +630,903+630.9k
BLUEFIN CAPITAL MANAGEMENT, LLC New +580,715+580.7k
HBK INVESTMENTS L P Added +539,819+539.8k
LMR Partners LLP Added +234,566+234.6k
MILLENNIUM MANAGEMENT LLC Added +230,774+230.8k
FARALLON CAPITAL MANAGEMENT, L.L.C. Added +230,000+230.0k
ALPINE ASSOCIATES MANAGEMENT INC. Added +171,100+171.1k

Biggest sellers

BLUEFIN CAPITAL MANAGEMENT, LLC Sold out -647,091-647.1k
STATE STREET CORP Reduced -613,755-613.8k
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) Reduced -586,615-586.6k
MORGAN STANLEY Reduced -391,165-391.2k
Westchester Capital Management, LLC Sold out -304,125-304.1k
ADAGE CAPITAL PARTNERS GP, L.L.C. Reduced -290,834-290.8k
RENAISSANCE TECHNOLOGIES LLC Sold out -288,679-288.7k
Grantham, Mayo, Van Otterloo & Co. LLC Reduced -274,625-274.6k
Sand Grove Capital Management LLP Reduced -242,693-242.7k
MARSHALL WACE, LLP Reduced -219,438-219.4k

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.

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 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

#ManagerLocationShares Value% of their portfolioChangeShares change
1 MILLENNIUM MANAGEMENT LLC 0.10% of their portfolio NEW YORK, NY 1,338,6341.3m $96.2m $96.2m 0.10% Added +230.8k +230,774
2 Beryl Capital Management LLC 21.35% of their portfolio REDONDO BEACH, CA 962,892962.9k $69.2m $69.2m 21.35% New
3 FARALLON CAPITAL MANAGEMENT, L.L.C. 0.40% of their portfolio SAN FRANCISCO, CA 935,000935.0k $67.2m $67.2m 0.40% Added +230.0k +230,000
4 D. E. Shaw & Co., Inc. 0.09% of their portfolio New York, NY 803,245803.2k $57.7m $57.7m 0.09% New
5 HBK INVESTMENTS L P 1.83% of their portfolio DALLAS, TX 800,000800.0k $57.5m $57.5m 1.83% Added +539.8k +539,819
6 MORGAN STANLEY 0.01% of their portfolio NEW YORK, NY 795,077795.1k $57.1m $57.1m 0.01% Reduced -391.2k -391,165
7 Melqart Asset Management (UK) Ltd 5.03% of their portfolio London, X0 766,075766.1k $55.1m $55.1m 5.03% Reduced -213.1k -213,137
8 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.25% of their portfolio TORONTO, A6 761,900761.9k $54.8m $54.8m 0.25% Added +688.8k +688,800
9 TIG Advisors, LLC 2.73% of their portfolio New York, NY 630,903630.9k $45.3m $45.3m 2.73% New
10 Sand Grove Capital Management LLP 6.73% of their portfolio LONDON, X0 622,319622.3k $44.7m $44.7m 6.73% Reduced -242.7k -242,693
11 BLUEFIN CAPITAL MANAGEMENT, LLC 9.51% of their portfolio NEW YORK, NY 580,715580.7k $41.7m $41.7m 9.51% New
12 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 0.88% of their portfolio CHICAGO, IL 580,000580.0k $41.7m $41.7m 0.88% Reduced -586.6k -586,615
13 HAWK RIDGE CAPITAL MANAGEMENT LP 2.21% of their portfolio LOS ANGELES, CA 579,098579.1k $41.6m $41.6m 2.21% Reduced -86.1k -86,100
14 ALPINE ASSOCIATES MANAGEMENT INC. 1.85% of their portfolio PALM BEACH, FL 570,566570.6k $41.0m $41.0m 1.85% Added +171.1k +171,100
15 GOLDMAN SACHS GROUP INC 0.01% of their portfolio NEW YORK, NY 547,180547.2k $39.3m $39.3m 0.01% Added +95.9k +95,869
16 CITIGROUP INC 0.05% of their portfolio NEW YORK, NY 511,737511.7k $36.8m $36.8m 0.05% Reduced -126.4k -126,415
17 Erste Asset Management GmbH 0.64% of their portfolio VIENNA, C4 504,000504.0k $36.2m $36.2m 0.64% Unchanged
18 SYSTEMATIC FINANCIAL MANAGEMENT LP 1.08% of their portfolio TEANECK, NJ 475,146475.1k $34.1m $34.1m 1.08% Reduced -6.2k -6,202
19 Balyasny Asset Management L.P. 0.09% of their portfolio Chicago, IL 456,724456.7k $32.8m $32.8m 0.09% Reduced -65.8k -65,837
20 MARSHALL WACE, LLP 0.06% of their portfolio LONDON, X0 413,083413.1k $29.7m $29.7m 0.06% Reduced -219.4k -219,438
21 LAZARD ASSET MANAGEMENT LLC 0.04% of their portfolio NEW YORK, NY 408,525408.5k $29.4m $29.4m 0.04% Added +63.3k +63,268
22 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.06% of their portfolio Boston, MA 392,051392.1k $28.2m $28.2m 0.06% Reduced -290.8k -290,834
23 HERALD INVESTMENT MANAGEMENT Ltd 5.37% of their portfolio LONDON, X0 384,906384.9k $27.7m $27.7m 5.37% Unchanged
24 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 356,616356.6k $25.6m $25.6m 0.00% Reduced -205.3k -205,315
25 Grantham, Mayo, Van Otterloo & Co. LLC 0.12% of their portfolio Boston, MA 350,219350.2k $25.2m $25.2m 0.12% Reduced -274.6k -274,625
26 WATER ISLAND CAPITAL LLC 2.33% of their portfolio NEW YORK, NY 348,848348.8k $25.1m $25.1m 2.33% Reduced -2.1k -2,133
27 LMR Partners LLP 0.51% of their portfolio LONDON, X0 309,017309.0k $22.2m $22.2m 0.51% Added +234.6k +234,566
28 Segantii Capital Management Ltd 1.27% of their portfolio HONG KONG, K3 300,000300.0k $21.6m $21.6m 1.27% Reduced -10.0k -10,000
29 ExodusPoint Capital Management, LP 0.24% of their portfolio NEW YORK, NY 290,895290.9k $20.9m $20.9m 0.24% Added +95.1k +95,095
30 STATE OF WISCONSIN INVESTMENT BOARD 0.05% of their portfolio MADISON, WI 260,060260.1k $18.7m $18.7m 0.05% Added +1.4k +1,390
31 Berry Street Capital Management LLP 7.85% of their portfolio LONDON, X0 256,250256.2k $18.4m $18.4m 7.85% Added +68.8k +68,750
32 UBS Group AG 0.01% of their portfolio ZURICH, V8 254,808254.8k $18.3m $18.3m 0.01% Added +37.7k +37,725
33 Prospect Capital Advisors, LLC 6.54% of their portfolio Sausalito, CA 240,350240.3k $17.3m $17.3m 6.54% Added +30.8k +30,800
34 AQR Arbitrage LLC 0.74% of their portfolio Greenwich, CT 239,116239.1k $17.2m $17.2m 0.74% Reduced -207.1k -207,130
35 GROUP ONE TRADING LLC 0.68% of their portfolio CHICAGO, IL 221,985222.0k $16.0m $16.0m 0.68% Added +63.5k +63,456
36 M&G INVESTMENT MANAGEMENT LTD 0.09% of their portfolio London, X0 213,277213.3k $15.4m $15.4m 0.09% Reduced -73.4k -73,438
37 TWO SIGMA ADVISERS, LP 0.04% of their portfolio NEW YORK, NY 199,981200.0k $14.4m $14.4m 0.04% Added +70.2k +70,200
38 ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio NASHVILLE, TN 173,516173.5k $12.5m $12.5m 0.01% Reduced -45.3k -45,321
39 NATIONAL BANK OF CANADA /FI/ 0.02% of their portfolio MONTREAL, A8 166,900166.9k $11.7m $11.7m 0.02% New
40 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.02% of their portfolio BALA CYNWYD, PA 162,813162.8k $11.7m $11.7m 0.02% Added +18.2k +18,173
41 EASTERLY INVESTMENT PARTNERS LLC 0.99% of their portfolio BEVERLY, MA 154,383154.4k $11.1m $11.1m 0.99% Added +4.1k +4,105
42 HEARTLAND ADVISORS INC 0.62% of their portfolio MILWAUKEE, WI 150,000150.0k $10.8m $10.8m 0.62% Added +50.0k +50,000
43 MASO CAPITAL PARTNERS Ltd 4.26% of their portfolio HONG KONG, K3 135,268135.3k $9.7m $9.7m 4.26% Added +83.5k +83,454
44 Verition Fund Management LLC 0.14% of their portfolio GREENWICH, CT 126,729126.7k $9.1m $9.1m 0.14% Added +23.4k +23,401
45 Davidson Kempner Capital Management LP 0.19% of their portfolio New York, NY 126,394126.4k $9.1m $9.1m 0.19% Not comparable
46 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 120,255120.3k $8.6m $8.6m 0.00% Added +109.9k +109,942
47 PEREGRINE CAPITAL MANAGEMENT LLC 0.23% of their portfolio MINNEAPOLIS, MN 119,170119.2k $8.6m $8.6m 0.23% Reduced -136 -136
48 FMR LLC 0.00% of their portfolio BOSTON, MA 102,085102.1k $7.3m $7.3m 0.00% Reduced -36.3k -36,315
49 272 Capital LP 2.66% of their portfolio DALLAS, TX 100,635100.6k $7.2m $7.2m 2.66% Reduced -41.7k -41,665
50 Alpine Global Management, LLC 1.04% of their portfolio NEW YORK, NY 100,000100.0k $7.2m $7.2m 1.04% Added +50.0k +50,000
51 KENNEDY CAPITAL MANAGEMENT LLC 0.16% of their portfolio ST LOUIS, MO 95,60895.6k $6.9m $6.9m 0.16% Reduced -44.8k -44,823
52 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 93,51493.5k $6.7m $6.7m 0.00% Added +93.0k +93,014
53 Samson Rock Capital LLP 9.77% of their portfolio LONDON, X0 90,00090.0k $6.5m $6.5m 9.77% New
54 COOPER CREEK PARTNERS MANAGEMENT LLC 0.43% of their portfolio NEW YORK, NY 87,27687.3k $6.3m $6.3m 0.43% New
55 THOMAS WHITE INTERNATIONAL LTD 1.29% of their portfolio CHICAGO, IL 85,98386.0k $6.2m $6.2m 1.29% Added +5.5k +5,540
56 THOMPSON SIEGEL & WALMSLEY LLC 0.10% of their portfolio RICHMOND, VA 85,02885.0k $6.1m $6.1m 0.10% Added +31.1k +31,063
57 HAP Trading, LLC 1.70% of their portfolio NEW YORK, NY 83,62383.6k $6.0m $6.0m 1.70% Reduced -117.2k -117,213
58 Perpetual Ltd 0.04% of their portfolio SYDNEY, NEW SOUTH WALES, C3 77,92577.9k $4.3m $4.3m 0.04% Added +27.4k +27,375
59 TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio NEW YORK, NY 76,14276.1k $5.5m $5.5m 0.01% Added +32 +32
60 JANE STREET GROUP, LLC 0.01% of their portfolio NEW YORK, NY 72,83772.8k $5.2m $5.2m 0.01% New
61 SG Americas Securities, LLC 0.04% of their portfolio NEW YORK, NY 71,00071.0k $5.1m $5.1m 0.04% Added +9 +9
62 NAPLES GLOBAL ADVISORS, LLC 0.59% of their portfolio NAPLES, FL 69,55369.6k $5.0m $5.0m 0.59% Added +725 +725
63 Janney Montgomery Scott LLC 0.02% of their portfolio PHILADELPHIA, PA 67,31667.3k $4.8m $4.8m 0.02% Reduced -82 -82
64 Boussard & Gavaudan Investment Management LLP 0.46% of their portfolio London, X0 65,14165.1k $4.8m $4.8m 0.46% Reduced -14.0k -14,005
65 Weiss Asset Management LP 0.58% of their portfolio BOSTON, MA 64,08064.1k $4.6m $4.6m 0.58% Reduced -38.6k -38,632
66 WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio Boston, MA 60,64960.6k $4.4m $4.4m 0.00% Reduced -11.4k -11,373
67 Brookfield Corp /ON/ 0.02% of their portfolio TORONTO, A6 60,00060.0k $4.3m $4.3m 0.02% Reduced -10.0k -10,000
68 Apis Capital Advisors, LLC 4.06% of their portfolio New York, NY 56,00056.0k $4.0m $4.0m 4.06% Reduced -30.0k -30,000
69 Nokomis Capital, L.L.C. 1.46% of their portfolio DALLAS, TX 55,56855.6k $4.0m $4.0m 1.46% Reduced -4.5k -4,505
70 Hiddenite Capital Partners LP 5.08% of their portfolio NEW YORK, NY 55,00055.0k $4.0m $4.0m 5.08% New
71 Hodges Capital Management Inc. 0.00% of their portfolio DALLAS, TX 53,37653.4k $5.7k $5.7k 0.00% Added +12.2k +12,249
72 Kapitalo Investimentos Ltda 0.69% of their portfolio SAO PAULO, D5 51,89351.9k $3.7m $3.7m 0.69% Added +10.7k +10,654
73 BOOTHBAY FUND MANAGEMENT, LLC 0.12% of their portfolio NEW YORK, NY 51,54151.5k $3.7m $3.7m 0.12% Reduced -64.2k -64,187
74 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 50,29650.3k $3.6m $3.6m 0.00% Reduced -613.8k -613,755
75 Virtus Family Office LLC 6.68% of their portfolio EL PASO, TX 50,16250.2k $3.6m $3.6m 6.68% Reduced -538 -538
76 Squarepoint Ops LLC 0.02% of their portfolio NEW YORK, NY 49,69749.7k $3.6m $3.6m 0.02% Added +17.7k +17,712
77 ABN AMRO INVESTMENT SOLUTIONS 0.07% of their portfolio PARIS CEDEX 008, I0 47,25347.3k $3.4m $3.4m 0.07% Reduced -15.2k -15,219
78 Trium Capital LLP 0.92% of their portfolio LONDON, X0 45,72545.7k $3.3m $3.3m 0.92% Added +14.5k +14,500
79 Fort Baker Capital Management LP 0.45% of their portfolio Larkspur, CA 43,90243.9k $3.2m $3.2m 0.45% Reduced -134.2k -134,248
80 Force Hill Capital Management LP 0.67% of their portfolio New York, NY 43,30043.3k $3.1m $3.1m 0.67% Reduced -3.6k -3,600
81 BARDIN HILL MANAGEMENT PARTNERS LP 0.80% of their portfolio NEW YORK, NY 42,40542.4k $3.0m $3.0m 0.80% Added +24.2k +24,151
82 Calamos Advisors LLC 0.02% of their portfolio NAPERVILLE, IL 42,13542.1k $3.0m $3.0m 0.02% Added +10.0k +10,000
83 GABELLI FUNDS LLC 0.02% of their portfolio Rye, NY 41,16141.2k $3.0m $3.0m 0.02% New
84 P SCHOENFELD ASSET MANAGEMENT LP 0.37% of their portfolio NEW YORK, NY 37,52937.5k $2.7m $2.7m 0.37% Reduced -189.5k -189,480
85 Robeco Institutional Asset Management B.V. 0.01% of their portfolio ROTTERDAM, P7 37,08837.1k $2.7m $2.7m 0.01% Unchanged
86 Handelsbanken Fonder AB 0.01% of their portfolio STOCKHOLM, V7 35,50035.5k $2.6m $2.6m 0.01% Unchanged
87 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 34,67734.7k $2.5m $2.5m 0.00% Reduced -25.8k -25,843
88 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 34,13034.1k $2.5m $2.5m 0.00% Added +70 +70
89 Cerity Partners LLC 0.01% of their portfolio NEW YORK, NY 34,04534.0k $2.4m $2.4m 0.01% Reduced -1.4k -1,383
90 OAK ASSOCIATES LTD /OH/ 0.19% of their portfolio AKRON, OH 33,81033.8k $2.4m $2.4m 0.19% Reduced -2.7k -2,723
91 Aristides Capital LLC 1.43% of their portfolio LOUISVILLE, KY 33,65633.7k $2.4m $2.4m 1.43% Unchanged
92 HARVEST MANAGEMENT LLC 2.38% of their portfolio New York, NY 32,50032.5k $2.3m $2.3m 2.38% Added +12.5k +12,500
93 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 31,36331.4k $2.3m $2.3m 0.00% Added +779 +779
94 PEAK6 Investments LLC 0.19% of their portfolio CHICAGO, IL 31,04531.0k $2.2m $2.2m 0.19% Added +10.5k +10,469
95 Cullen Capital Management, LLC 0.02% of their portfolio New York, NY 29,90629.9k $2.1m $2.1m 0.02% Reduced -1.8k -1,753
96 Crestline Management, L.P. 0.23% of their portfolio FORT WORTH, TX 29,29029.3k $2.1m $2.1m 0.23% Added +1.0k +1,000
97 PRELUDE CAPITAL MANAGEMENT, LLC 0.17% of their portfolio NEW YORK, NY 28,89728.9k $2.1m $2.1m 0.17% Reduced -33.4k -33,375
98 NATIXIS 0.02% of their portfolio PARIS, I0 28,20328.2k $2.0m $2.0m 0.02% Reduced -33.9k -33,897
99 EQUITEC PROPRIETARY MARKETS, LLC 1.42% of their portfolio CHICAGO, IL 27,89127.9k $2.0m $2.0m 1.42% Added +20.0k +19,991
100 FIFTH LANE CAPITAL, LP 1.93% of their portfolio Austin, TX 27,50027.5k $2.0m $2.0m 1.93% Added +808 +808