Form 13-F position report

SILICON MOTION TECHNOLOGY C

Reported by B Riley Asset Management LLC

SIMO CUSIP 82706C108 Manager CIK 0001841077

Reported 23,160 shares, down 27,487 (54.3%) from the prior quarter.

Reported value -57.2%; share count -54.3% vs. the prior quarter.

Reduced
% of reported 13F value 3.09% This manager · Q1 2025
Shares 23,160 Quarter-end amount reported
Reported value $1,170,970 Fair value at quarter end
Consecutive quarters held 10 Through Q1 2025

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

230 managers reported SILICON MOTION TECHNOLOGY C for Q1 2025.

Managers reporting SILICON MOTION TECHNOLOGY C in Q1 2025.
Manager Activity Shares Change % of reported 13F Reported value Tenure
FMR LLC Reduced 2,141,970 -35,158 < 0.01% $108,298,003 39 qtrs
Invesco Ltd Added 1,675,648 +636,869 0.02% $84,720,764 7 qtrs
REINHART PARTNERS INC Added 1,364,291 +228,553 2.51% $68,978,548 7 qtrs
LORD ABBETT & CO LLC Reduced 1,266,420 -58,510 0.23% $64,030,000 5 qtrs
ACADIAN ASSET MANAGEMENT LLC Reduced 1,258,375 -24,006 0.18% $63,584,000 22 qtrs
Pertento Partners LLP Added 1,209,463 +42,549 6.4% $61,150,449 7 qtrs
MANUFACTURERS LIFE INSURANCE COMPANY THE Added 799,118 +35,699 0.04% $40,403,406 5 qtrs
MASSACHUSETTS FINANCIAL SERVICES CO MA Added 757,506 +61,213 0.01% $38,299,504 7 qtrs
MORGAN STANLEY Added 725,786 +24,757 < 0.01% $36,695,774 48 qtrs
Rubric Capital Management LP Added 700,882 +114,368 0.64% $35,436,594 2 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
March 31, 2025
Filed
May 15, 2025
Filing type
13F-HR
Position type
SPONSORED ADR

Voting authority reported

Sole
23,160
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.