Form 13-F position report

SILICON MOTION TECHNOLOGY C

Reported by B Riley Asset Management LLC

SIMO CUSIP 82706C108 Manager CIK 0001841077

First reported at 41,500 shares this quarter.

New
% of reported 13F value 1.21% This manager · Q4 2022
Shares 41,500 Quarter-end amount reported
Reported value $2,697,085 Fair value at quarter end
Consecutive quarters held 1 Through Q4 2022

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2022-12-31 2697085
2023-03-31 9323496
2023-06-30 7231631
2023-09-30 2526369
2023-12-31 4426889
2024-03-31 6873281
2024-06-30 5288566
2024-09-30 6158489
2024-12-31 2737470
2025-03-31 1170970
2025-06-30 0

Quarterly position history

How this manager's reported quarter-end position changed over time.

11 quarters
Quarterly reported position history for SILICON MOTION TECHNOLOGY C held by B Riley Asset Management LLC.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q2 2025 Reduced 0 -23,160 (-100.0%) 0 $0 2025-08-14
Q1 2025 Reduced 23,160 -27,487 (-54.3%) 3.09% $1,170,970 2025-05-15
Q4 2024 Reduced 50,647 -50,744 (-50.0%) 2.59% $2,737,470 2025-02-14
Q3 2024 Added 101,391 +36,092 (55.3%) 3.52% $6,158,489 2024-11-14
Q2 2024 Reduced 65,299 -24,034 (-26.9%) 2.65% $5,288,566 2024-08-14
Q1 2024 Added 89,333 +15,138 (20.4%) 2.74% $6,873,281 2024-05-15
Q4 2023 Added 74,195 +24,900 (50.5%) 1.5% $4,426,889 2024-02-15
Q3 2023 Reduced 49,295 -51,340 (-51.0%) 1.0% $2,526,369 2023-11-14
Q2 2023 Reduced 100,635 -41,665 (-29.3%) 2.66% $7,231,631 2023-08-14
Q1 2023 Added 142,300 +100,800 (242.9%) 3.86% $9,323,496 2023-05-15
Q4 2022 New 41,500 +41,500 (0.0%) 1.21% $2,697,085 2023-02-14

Who else reported the position

235 managers reported SILICON MOTION TECHNOLOGY C for Q4 2022.

Managers reporting SILICON MOTION TECHNOLOGY C in Q4 2022.
Manager Activity Shares Change % of reported 13F Reported value Tenure
The Goldman Sachs Group Inc Added 1,844,630 +445,339 0.03% $119,882,504 26 qtrs
UBS OCONNOR LLC Added 1,157,028 +6,486 1.39% $75,196,000 3 qtrs
MILLENNIUM MANAGEMENT LLC Added 1,135,877 +47,147 0.04% $73,821,000 39 qtrs
MORGAN STANLEY Added 1,119,471 +707,765 < 0.01% $72,754,454 39 qtrs
Sand Grove Capital Management LLP Added 1,061,055 +58,496 6.59% $68,958,000 3 qtrs
Antara Capital LP Added 949,927 +394,177 1.73% $61,736,000 2 qtrs
FARALLON CAPITAL MANAGEMENT LLC Unchanged 931,510 0 0.36% $60,538,835 3 qtrs
Bank of America Corporation Reduced 854,774 -123,095 < 0.01% $55,551,745 39 qtrs
ADAGE CAPITAL PARTNERS GP L L C Added 796,537 +100,912 0.12% $51,766,940 3 qtrs
Melqart Asset Management UK Ltd Added 661,841 +191,317 3.64% $43,013,047 2 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
December 31, 2022
Filed
February 14, 2023
Filing type
13F-HR
Position type
SPONSORED ADS

Voting authority reported

Sole
41,500
Shared
0
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.