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WELLINGTON MANAGEMENT GROUP LLP

Position in SIMO — Silicon Motion Technology CORP

CIK 902219 Boston, MA

Position in SIMO

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$61,749,714
+$27,581,441 QoQ
Shares Held
185,251
-39.1% QoQ
Ownership
0.546%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#32
of 383 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 0% Shared 43% None 57%

Common Shares in SIMO Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $71,567,813,700 across 38 Semiconductors names. SIMO ranks #26 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SIMO

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $61,749,714 185,251
2026-03-31 $34,168,273 304,286
2025-12-31 $64,611,805 696,999
2025-09-30 $65,983,586 695,956
2025-06-30 $63,894,498 850,000
2025-03-31 $35,167,206 695,554
2024-12-31 $43,088,224 797,192
2024-09-30 $34,552,493 568,859
2024-06-30 $62,298,397 769,211
2024-03-31 $87,544,023 1,137,822
2023-12-31 $50,212,969 819,536
2023-09-30 $41,988,560 819,289
2023-06-30 $4,358,236 60,649
2023-03-31 $4,718,880 72,022
2022-12-31 $4,757,137 73,198
2022-09-30 $5,093,880 78,139
2022-06-30 $7,064,865 84,407
2022-03-31 $7,097,151 106,213
2021-09-30 $63,974,395 927,434
2021-06-30 $61,395,683 957,811
2021-03-31 $51,341,347 864,478
2020-12-31 $45,077,354 936,186
2020-09-30 $30,964,033 819,588
2020-06-30 $38,948,988 798,626
2020-03-31 $31,197,475 850,995