DOSSIER · 13F Holders · Q2 2026Technology · Semiconductors & Related Devices
SIMO

SILICON MOTION TECHNOLOGY CO

398 institutions still hold SILICON MOTION TECHNOLOGY CO as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 82706C108·Semiconductors & Related Devices·398 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$4.5B
visible holders
Holders
398
filers reporting
Concentration
16.95%
FMR LLC #1
top holder share
AI Holders Summary · Q2 2026

Silicon Motion Technology Corporation (SIMO, CUSIP 82706C108) entered Q1 2026 with $2.7B of institutional 13F value across 262 institutional accounts — a holder profile appropriate for a fabless semiconductor company specializing in NAND flash controllers, SSD (solid-state drive) controller SoCs, and embedded storage and display products for consumer electronics, enterprise storage, and mobile applications. The defining Q1 signal is FMR LLC adding $67M alongside Pertento Partners reducing $60M — a near-neutral rotation within the storage-controller and SoC sleeve that reflects fundamental-analyst conviction rotation rather than a thesis revision. For smart-money trackers, SIMO's institutional footprint is best read as a proxy for NAND/SSD market dynamics and mobile-storage SoC demand — the stock's performance is highly correlated with NAND bit pricing, SSD adoption rates in client and enterprise computing, and smartphone storage content growth, making Q/Q flows a useful read on whether institutional managers are building or trimming exposure to the storage-controller tier of the semiconductor complex.

Q1 2026 context: SSD market structural growth from (1) client PC storage upgrade (from HDD to NVMe SSD), (2) enterprise/data center SSD adoption for performance tier, (3) content growth in smartphones driving higher storage capacity per device (128GB, 256GB, 512GB standard). NAND pricing cycles create earnings volatility. SIMO's market position in SSD controllers is a structural advantage.

FMR +$67M and Pertento -$60M = near-neutral rotation. FMR is building at the SoC/controller tier.

Analysis generated by 13F Insight from SEC Form 13F filing data · Q2 2026. Methodology

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
FMR LLC
CIK 0000315066
$759M2.3M0.03%Q2 2026
02
Invesco Ltd.
CIK 0000914208
$381M1.1M0.03%Q2 2026
03
ALKEON CAPITAL MANAGEMENT LLC
CIK 0001230239
$367M1.1M0.49%Q2 2026
04
REINHART PARTNERS, LLC.
CIK 0001080298
$322M966K7.35%Q2 2026
05
Polar Capital Holdings Plc
CIK 0001837309
$310M931K0.73%Q2 2026
06
DRIEHAUS CAPITAL MANAGEMENT LLC
CIK 0000938206
$262M786K1.52%Q2 2026
07
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$249M748K0.18%Q2 2026
08
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$215M646K0.02%Q2 2026
09
Wolf Hill Capital Management, LP
CIK 0001785988
$183M549K15.30%Q2 2026
10
BAHL & GAYNOR INC
CIK 0000872259
$151M453K0.70%Q2 2026
11
Granahan Investment Management, LLC
CIK 0001026710
$149M446K5.29%Q2 2026
12
LAZARD ASSET MANAGEMENT LLC
CIK 0001207017
$145M436K0.22%Q2 2026
13
ACADIAN ASSET MANAGEMENT LLC
CIK 0000916542
$145M1.3M0.21%Q1 2026
14
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$139M418K0.06%Q2 2026
15
HAWK RIDGE CAPITAL MANAGEMENT LP
CIK 0001609074
$132M1.2M4.79%Q1 2026
16
Analog Century Management LP
CIK 0001753384
$121M363K4.42%Q2 2026
17
SYSTEMATIC FINANCIAL MANAGEMENT LP
CIK 0001085936
$118M354K2.35%Q2 2026
18
BIT Capital GmbH
CIK 0002053305
$116M349K3.45%Q2 2026
19
LORD, ABBETT & CO. LLC
CIK 0000728100
$108M962K0.35%Q1 2026
20
OBERWEIS ASSET MANAGEMENT INC/
CIK 0000937886
$105M316K2.18%Q2 2026
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Insiders at SILICON MOTION TECHNOLOGY CO
Lin Kuan-MingShieh Han-Ping