Vault-13

SILICON MOTION TECHNOLOGY CO SIMO

SPONSORED ADR · ADR · CUSIP 82706C108 · ISIN US82706C1080

American-Taiwanese electronics technology company

204 institutional holders +0 vs Q3 2024
27,078,05427.1m shares reported held*
$1.5bnreported value*
27 new 71 added 76 reduced 31 sold out net bought ≈ $6.7m (-514.7k 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 ($10.7m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $54.06. Options: 16 managers hold calls ($44.6m notional), 12 hold puts ($15.1m).

Trends to Q4 2024

Institutional holders

Managers reporting a position, each quarter

0100200300Q3 22: 202Q4 22: 198Q1 23: 198Q2 23: 203Q3 23: 195Q4 23: 206Q1 24: 213Q2 24: 236Q3 24: 204Q4 24: 204204Q3 22Q1 23Q3 23Q1 24Q3 24Q4 24
Numbers
QuarterHolders
Q3 2022202
Q4 2022198
Q1 2023198
Q2 2023203
Q3 2023195
Q4 2023206
Q1 2024213
Q2 2024236
Q3 2024204
Q4 2024204

Buyers vs sellers

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

Bought or addedCut or sold out
2000200Q1 23: 100 bought or addedQ1 23: 98 cut or sold outQ2 23: 86 bought or addedQ2 23: 116 cut or sold outQ2 23Q3 23: 110 bought or addedQ3 23: 118 cut or sold outQ4 23: 121 bought or addedQ4 23: 90 cut or sold outQ4 23Q1 24: 117 bought or addedQ1 24: 103 cut or sold outQ2 24: 136 bought or addedQ2 24: 86 cut or sold outQ2 24Q3 24: 96 bought or addedQ3 24: 125 cut or sold outQ4 24: 98 bought or addedQ4 24: 107 cut or sold outQ4 24
Numbers
QuarterBought or addedCut or sold out
Q1 202310098
Q2 202386116
Q3 2023110118
Q4 202312190
Q1 2024117103
Q2 202413686
Q3 202496125
Q4 202498107

Calls vs puts

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

CallsPuts
$0$20m$40m$60m$80mQ1 24 calls: $54.8mQ1 24 puts: $35.7mQ1 24P/C 0.65Q2 24 calls: $67.8mQ2 24 puts: $28.5mQ2 24P/C 0.42Q3 24 calls: $34.6mQ3 24 puts: $20.6mQ3 24P/C 0.59Q4 24 calls: $44.6mQ4 24 puts: $15.1mQ4 24P/C 0.34
Numbers
QuarterCallsPutsP/C
Q1 2024$54.8m$35.7m0.65
Q2 2024$67.8m$28.5m0.42
Q3 2024$34.6m$20.6m0.59
Q4 2024$44.6m$15.1m0.34

Biggest buyers

Rubric Capital Management LP New +586,514+586.5k
UBS Group AG Added +364,900+364.9k
SG Capital Management LLC New +277,631+277.6k
Pertento Partners LLP Added +277,462+277.5k
WELLINGTON MANAGEMENT GROUP LLP Added +228,333+228.3k
LORD, ABBETT & CO. LLC Added +221,017+221.0k
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Added +216,900+216.9k
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC Added +196,906+196.9k
Invesco Ltd. Added +192,646+192.6k
MANUFACTURERS LIFE INSURANCE COMPANY, THE Added +192,603+192.6k

Biggest sellers

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Sold out -658,868-658.9k
MORGAN STANLEY Reduced -335,529-335.5k
VOYA INVESTMENT MANAGEMENT LLC Sold out -281,502-281.5k
ADAGE CAPITAL PARTNERS GP, L.L.C. Reduced -265,227-265.2k
Man Group plc Reduced -232,164-232.2k
JPMORGAN CHASE & CO Reduced -201,017-201.0k
HAWK RIDGE CAPITAL MANAGEMENT LP Reduced -199,067-199.1k
NORGES BANK Sold out -190,000-190.0k
Kodai Capital Management LP Reduced -184,894-184.9k
MILLENNIUM MANAGEMENT LLC Reduced -169,997-170.0k

Biggest calls

SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC New $10.9m201.6k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $7.8m144.9k shares
PEAK6 LLC First filing $7.6m141.5k shares
GROUP ONE TRADING LLC Reduced $6.2m114.2k shares
CITADEL ADVISORS LLC Reduced $3.0m56.1k shares
SIMPLEX TRADING, LLC Added $2.6m48.9k shares
Shay Capital LLC New $2.4m45.0k shares
Hunting Hill Global Capital, LLC Reduced $1.1m19.8k shares
IMC-Chicago, LLC Reduced $799.9k14.8k shares
D. E. Shaw & Co., Inc. New $535.1k9.9k shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $4.9m91.2k shares
CITADEL ADVISORS LLC Added $3.1m57.4k shares
GROUP ONE TRADING LLC Added $1.9m34.5k shares
PEAK6 LLC First filing $1.4m25.2k shares
JANE STREET GROUP, LLC Added $1.1m20.8k shares
SIMPLEX TRADING, LLC Added $799.0k14.8k shares
IMC-Chicago, LLC New $600.0k11.1k shares
WOLVERINE TRADING, LLC Added $556.9k10.2k shares
TUDOR INVESTMENT CORP ET AL New $356.7k6.6k shares
Walleye Capital LLC Reduced $237.8k4.4k 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 2024

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 2024.

Holders, Q4 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 FMR LLC 0.01% of their portfolio BOSTON, MA 2,177,1282.2m $117.7m $117.7m 0.01% Reduced -62.4k -62,446
2 LORD, ABBETT & CO. LLC 0.23% of their portfolio JERSEY CITY, NJ 1,324,9301.3m $71.6m $71.6m 0.23% Added +221.0k +221,017
3 ACADIAN ASSET MANAGEMENT LLC 0.20% of their portfolio Boston, MA 1,282,3811.3m $69.3m $69.3m 0.20% Reduced -48.1k -48,067
4 Pertento Partners LLP 6.49% of their portfolio LONDON, X0 1,166,9141.2m $63.1m $63.1m 6.49% Added +277.5k +277,462
5 REINHART PARTNERS, LLC. 2.36% of their portfolio MEQUON, WI 1,135,7381.1m $61.4m $61.4m 2.36% Added +55.4k +55,363
6 Invesco Ltd. 0.01% of their portfolio ATLANTA, GA 1,038,7791.0m $56.1m $56.1m 0.01% Added +192.6k +192,646
7 WELLINGTON MANAGEMENT GROUP LLP 0.01% of their portfolio Boston, MA 797,192797.2k $43.1m $43.1m 0.01% Added +228.3k +228,333
8 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.04% of their portfolio Toronto, A6 763,419763.4k $41.3m $41.3m 0.04% Added +192.6k +192,603
9 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 701,029701.0k $37.9m $37.9m 0.00% Reduced -335.5k -335,529
10 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.01% of their portfolio Boston, MA 696,293696.3k $37.6m $37.6m 0.01% Added +172.9k +172,867
11 Erste Asset Management GmbH 0.44% of their portfolio VIENNA, C4 664,000664.0k $36.0m $36.0m 0.44% Unchanged
12 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.06% of their portfolio Boston, MA 628,210628.2k $34.0m $34.0m 0.06% Reduced -265.2k -265,227
13 MILLENNIUM MANAGEMENT LLC 0.03% of their portfolio NEW YORK, NY 613,751613.8k $33.2m $33.2m 0.03% Reduced -170.0k -169,997
14 Kite Lake Capital Management (UK) LLP 66.02% of their portfolio LONDON, X0 597,420597.4k $32.3m $32.3m 66.02% Added +81.0k +81,000
15 SYSTEMATIC FINANCIAL MANAGEMENT LP 0.81% of their portfolio TEANECK, NJ 589,409589.4k $31.9m $31.9m 0.81% Added +95.1k +95,081
16 Rubric Capital Management LP 0.58% of their portfolio NEW YORK, NY 586,514586.5k $31.7m $31.7m 0.58% New
17 SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC 0.92% of their portfolio Boston, MA 506,005506.0k $27.3m $27.3m 0.92% Added +196.9k +196,906
18 UBS Group AG 0.01% of their portfolio ZURICH, V8 487,456487.5k $26.3m $26.3m 0.01% Added +364.9k +364,900
19 Kodai Capital Management LP 1.07% of their portfolio CHICAGO, IL 481,629481.6k $26.0m $26.0m 1.07% Reduced -184.9k -184,894
20 HEARTLAND ADVISORS INC 1.31% of their portfolio MILWAUKEE, WI 447,138447.1k $24.2m $24.2m 1.31% Added +79.4k +79,383
21 FARALLON CAPITAL MANAGEMENT, L.L.C. 0.12% of their portfolio SAN FRANCISCO, CA 415,000415.0k $22.4m $22.4m 0.12% Reduced -99.0k -99,000
22 HERALD INVESTMENT MANAGEMENT Ltd 3.40% of their portfolio LONDON, X0 384,906384.9k $20.8m $20.8m 3.40% Unchanged
23 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.04% of their portfolio TORONTO, A6 377,400377.4k $20.4m $20.4m 0.04% Added +216.9k +216,900
24 Think Investments LP 4.16% of their portfolio San Francisco, CA 349,400349.4k $18.9m $18.9m 4.16% Unchanged
25 ALPINE ASSOCIATES MANAGEMENT INC. 1.09% of their portfolio PALM BEACH, FL 330,705330.7k $17.9m $17.9m 1.09% Reduced -10.1k -10,092
26 CITADEL ADVISORS LLC 0.02% of their portfolio MIAMI, FL 324,149324.1k $17.5m $17.5m 0.02% Added +14.4k +14,390
27 Boston Partners 0.02% of their portfolio BOSTON, MA 311,402311.4k $16.8m $16.8m 0.02% Added +100.0k +100,033
28 Qube Research & Technologies Ltd 0.03% of their portfolio LONDON, X0 298,077298.1k $16.1m $16.1m 0.03% Reduced -72.5k -72,508
29 STATE OF WISCONSIN INVESTMENT BOARD 0.04% of their portfolio MADISON, WI 297,817297.8k $16.1m $16.1m 0.04% Added +50.0k +50,000
30 SG Capital Management LLC 1.65% of their portfolio CHICAGO, IL 277,631277.6k $15.0m $15.0m 1.65% New
31 HAWK RIDGE CAPITAL MANAGEMENT LP 0.69% of their portfolio LOS ANGELES, CA 269,635269.6k $14.6m $14.6m 0.69% Reduced -199.1k -199,067
32 NEUBERGER BERMAN GROUP LLC 0.01% of their portfolio NEW YORK, NY 260,948260.9k $14.1m $14.1m 0.01% Reduced -67.1k -67,051
33 Robeco Institutional Asset Management B.V. 0.03% of their portfolio ROTTERDAM, P7 251,938251.9k $13.6m $13.6m 0.03% Reduced -124.4k -124,386
34 Russell Investments Group, Ltd. 0.02% of their portfolio Seattle, WA 251,000251.0k $13.6m $13.6m 0.02% Added +35.5k +35,495
35 ODDO BHF ASSET MANAGEMENT SAS 0.59% of their portfolio PARIS, I0 217,500217.5k $11.8m $11.8m 0.59% Unchanged
36 Melqart Asset Management (UK) Ltd 1.56% of their portfolio London, X0 215,039215.0k $11.6m $11.6m 1.56% Reduced -7.3k -7,258
37 EASTERLY INVESTMENT PARTNERS LLC 0.87% of their portfolio BEVERLY, MA 204,931204.9k $11.1m $11.1m 0.87% Reduced -20.9k -20,861
38 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 199,015199.0k $10.8m $10.8m 0.00% Reduced -201.0k -201,017
39 Balyasny Asset Management L.P. 0.02% of their portfolio Chicago, IL 190,707190.7k $10.3m $10.3m 0.02% Added +153.1k +153,064
40 SCHWARTZ INVESTMENT COUNSEL INC 0.37% of their portfolio PLYMOUTH, MI 190,000190.0k $10.3m $10.3m 0.37% Unchanged
41 NEUMEIER POMA INVESTMENT COUNSEL LLC 0.95% of their portfolio CARMEL, CA 181,665181.7k $9.8m $9.8m 0.95% Reduced -11.7k -11,720
42 M&G PLC 0.06% of their portfolio London, X0 181,228181.2k $9.8m $9.8m 0.06% New
43 TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio NEW YORK, NY 180,207180.2k $9.7m $9.7m 0.02% Reduced -85.5k -85,485
44 Prospect Capital Advisors, LLC 5.60% of their portfolio Sausalito, CA 178,350178.3k $9.6m $9.6m 5.60% Reduced -48.0k -48,000
45 Clearline Capital LP 1.24% of their portfolio NEW YORK, NY 172,996173.0k $9.4m $9.4m 1.24% Reduced -15.8k -15,846
46 BlackRock, Inc. 0.00% of their portfolio New York, NY 172,572172.6k $9.3m $9.3m 0.00% Added +31.7k +31,724
47 Polar Asset Management Partners Inc. 0.13% of their portfolio TORONTO, A6 162,700162.7k $8.8m $8.8m 0.13% Reduced -17.3k -17,300
48 OBERWEIS ASSET MANAGEMENT INC/ 0.40% of their portfolio LISLE, IL 157,900157.9k $8.5m $8.5m 0.40% Reduced -119.4k -119,400
49 KENNEDY CAPITAL MANAGEMENT LLC 0.18% of their portfolio ST LOUIS, MO 147,599147.6k $8.0m $8.0m 0.18% Added +6.2k +6,167
50 CANADA PENSION PLAN INVESTMENT BOARD 0.01% of their portfolio TORONTO ONTARIO, A6 144,800144.8k $7.8m $7.8m 0.01% Reduced -61.7k -61,700
51 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 138,579138.6k $7.5m $7.5m 0.01% Reduced -115.8k -115,800
52 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 136,636136.6k $7.4m $7.4m 0.00% Added +132.5k +132,538
53 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 131,573131.6k $7.1m $7.1m 0.00% Reduced -16.4k -16,407
54 Taconic Capital Advisors LP 0.50% of their portfolio NEW YORK, NY 117,884117.9k $6.4m $6.4m 0.50% Reduced -102.1k -102,116
55 Man Group plc 0.02% of their portfolio LONDON, X0 111,897111.9k $6.0m $6.0m 0.02% Reduced -232.2k -232,164
56 MANGROVE PARTNERS IM, LLC 0.57% of their portfolio Greenwich, CT 95,00095.0k $5.1m $5.1m 0.57% New
57 HARBOR CAPITAL ADVISORS, INC. 0.21% of their portfolio CHICAGO, IL 91,04391.0k $4.9m $4.9m 0.21% Reduced -37.3k -37,256
58 Janney Montgomery Scott LLC 0.01% of their portfolio PHILADELPHIA, PA 85,26585.3k $4.6m $4.6m 0.01% Added +752 +752
59 Apis Capital Advisors, LLC 2.88% of their portfolio New York, NY 80,00080.0k $4.3m $4.3m 2.88% Added +22.0k +22,000
60 TWO SIGMA ADVISERS, LP 0.01% of their portfolio NEW YORK, NY 79,18179.2k $4.3m $4.3m 0.01% Reduced -42.8k -42,800
61 Skylands Capital, LLC 0.58% of their portfolio Milwaukee, WI 76,55076.5k $4.1m $4.1m 0.58% Reduced -18.4k -18,400
62 Ramirez Asset Management, Inc. 0.83% of their portfolio NEW YORK, NY 76,54876.5k $4.1m $4.1m 0.83% Reduced -3.2k -3,239
63 Crestline Management, L.P. 0.14% of their portfolio FORT WORTH, TX 73,41473.4k $4.0m $4.0m 0.14% Reduced -4.1k -4,056
64 Alberta Investment Management Corp 0.03% of their portfolio EDMONTON, A0 70,80070.8k $3.8m $3.8m 0.03% Unchanged
65 Beryl Capital Management LLC 0.86% of their portfolio REDONDO BEACH, CA 70,50070.5k $3.8m $3.8m 0.86% Reduced -30.4k -30,359
66 Point72 Asset Management, L.P. 0.01% of their portfolio STAMFORD, CT 69,63169.6k $3.8m $3.8m 0.01% Added +39.1k +39,131
67 Calamos Advisors LLC 0.02% of their portfolio NAPERVILLE, IL 68,58968.6k $3.7m $3.7m 0.02% New
68 Trexquant Investment LP 0.04% of their portfolio STAMFORD, CT 67,04767.0k $3.6m $3.6m 0.04% Reduced -21.9k -21,916
69 FIRST TRUST ADVISORS LP 0.00% of their portfolio Wheaton, IL 62,11762.1k $3.4m $3.4m 0.00% Added +23.9k +23,921
70 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 58,82358.8k $3.2m $3.2m 0.00% Added +3.9k +3,875
71 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 55,60755.6k $3.0m $3.0m 0.00% Added +1.1k +1,070
72 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 52,84052.8k $2.9m $2.9m 0.00% Reduced -2.6k -2,612
73 F/m Investments LLC 0.10% of their portfolio WASHINGTON, DC 52,40652.4k $2.8m $2.8m 0.10% Reduced -103.4k -103,409
74 Jain Global LLC 0.08% of their portfolio NEW YORK, NY 51,03551.0k $2.8m $2.8m 0.08% First filing
75 272 Capital LP 2.59% of their portfolio DALLAS, TX 50,64750.6k $2.7m $2.7m 2.59% Reduced -50.7k -50,744
76 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.01% of their portfolio COLUMBUS, OH 49,78549.8k $2.7m $2.7m 0.01% Reduced -47.4k -47,421
77 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 48,66748.7k $2.6m $2.6m 0.00% Reduced -67.6k -67,627
78 ABN AMRO INVESTMENT SOLUTIONS 0.04% of their portfolio PARIS CEDEX 008, I0 40,24340.2k $2.2m $2.2m 0.04% Added +34.2k +34,241
79 RENAISSANCE GROUP LLC 0.09% of their portfolio Covington, KY 38,18338.2k $2.1m $2.1m 0.09% Reduced -1.6k -1,650
80 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 37,13337.1k $2.0m $2.0m 0.00% Reduced -10.4k -10,379
81 Nishkama Capital, LLC 0.33% of their portfolio DORADO, PR 36,82536.8k $2.0m $2.0m 0.33% New
82 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 36,24836.2k $2.0m $2.0m 0.00% Added +300 +300
83 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 36,01536.0k $1.9m $1.9m 0.00% Unchanged
84 LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 35,49335.5k $1.9m $1.9m 0.00% Added +12.1k +12,089
85 OAK ASSOCIATES LTD /OH/ 0.13% of their portfolio AKRON, OH 34,24634.2k $1.9m $1.9m 0.13% Added +3.4k +3,436
86 GABELLI & Co INVESTMENT ADVISERS, INC. 0.30% of their portfolio Rye, NY 32,30932.3k $1.7m $1.7m 0.30% Added +2.1k +2,100
87 Allianz Asset Management GmbH 0.00% of their portfolio MUNICH, 2M 31,97332.0k $1.7m $1.7m 0.00% Reduced -8.4k -8,357
88 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 31,33231.3k $1.7m $1.7m 0.00% Reduced -9 -9
89 1492 Capital Management LLC 0.79% of their portfolio MILWAUKEE, WI 30,62230.6k $1.7m $1.7m 0.79% New
90 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 29,01229.0k $1.6m $1.6m 0.00% Reduced -9.1k -9,064
91 Engineers Gate Manager LP 0.03% of their portfolio NEW YORK, NY 28,52128.5k $1.5m $1.5m 0.03% Added +10.1k +10,121
92 GABELLI FUNDS LLC 0.01% of their portfolio Rye, NY 28,40028.4k $1.5m $1.5m 0.01% Added +1.7k +1,700
93 Graham Capital Management, L.P. 0.05% of their portfolio ROWAYTON, CT 27,55427.6k $1.5m $1.5m 0.05% Added +10.6k +10,610
94 Keeley-Teton Advisors, LLC 0.16% of their portfolio Chicago, IL 25,31225.3k $1.4m $1.4m 0.16% Reduced -2.0k -2,004
95 Employees Retirement System of Texas 0.01% of their portfolio AUSTIN, TX 23,83323.8k $1.3m $1.3m 0.01% Unchanged
96 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 23,19923.2k $1.3m $1.3m 0.00% New
97 Cerity Partners LLC 0.00% of their portfolio NEW YORK, NY 23,11523.1k $1.2m $1.2m 0.00% Reduced -7.0k -6,954
98 NAPLES GLOBAL ADVISORS, LLC 0.10% of their portfolio NAPLES, FL 20,72520.7k $1.1m $1.1m 0.10% Reduced -360 -360
99 BOOTHBAY FUND MANAGEMENT, LLC 0.03% of their portfolio NEW YORK, NY 19,98720.0k $1.1m $1.1m 0.03% Reduced -46.3k -46,347
100 TEALWOOD ASSET MANAGEMENT INC 0.42% of their portfolio Minneapolis, MN 18,80218.8k $1.0m $1.0m 0.42% Added +180 +180