Stock Ownership/SIMO

SILICON MOTION TECHNOLOGY CO (SIMO): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in SIMO · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
19
13F filers
Aggregate Value
$845.8M
Across holders
Last Price
$243.18
2026-08-24
Sector
Information Technology
GICS
Quarterly fund activity8 increased11 reduced4 exited
Full exits: Verition Fund Management LLC, ADAGE CAPITAL PARTNERS GP, L.L.C., Squarepoint Ops LLC, Walleye Capital LLC
Institutional Holders of SIMO
↗
19 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund701K$233.7M27.6%0.2%Added+$232.6MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund418K$139.3M16.5%0.1%Reduced$-2.6MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund363K$121.0M14.3%0.1%Added—Q2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund292K$97.3M11.5%0.1%Added$-16.9MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund180K$60.0M7.1%0.0%Reduced$-71.9MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund138K$46.1M5.5%0.0%Reduced$-71.0MQ2 2026
First Eagle Investment Management, LLC
CIK 0001325447
Institutional Manager126K$41.9M5.0%0.1%Reduced$-70.3MQ2 2026
FRED ALGER MANAGEMENT, LLC
CIK 0000003520
Hedge Fund96K$32.1M3.8%0.1%Reduced$-123.4MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund64K$21.5M2.5%0.0%Reduced$-6.8MQ2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLC
CIK 0001556921
Hedge Fund62K$20.7M2.4%0.1%Reduced$-49.4MQ2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$233.7M· 27.6% of total· 0.2% port· 701K sh· +$232.6M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPReduced
Hedge Fund
$139.3M· 16.5% of total· 0.1% port· 418K sh· $-2.6M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$121.0M· 14.3% of total· 0.1% port· 363K sh· — QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$97.3M· 11.5% of total· 0.1% port· 292K sh· $-16.9M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$60.0M· 7.1% of total· 0.0% port· 180K sh· $-71.9M QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$46.1M· 5.5% of total· 0.0% port· 138K sh· $-71.0M QoQ· Q2 2026
First Eagle Investment Management, LLCReduced
Institutional Manager
$41.9M· 5.0% of total· 0.1% port· 126K sh· $-70.3M QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCReduced
Hedge Fund
$32.1M· 3.8% of total· 0.1% port· 96K sh· $-123.4M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$21.5M· 2.5% of total· 0.0% port· 64K sh· $-6.8M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCReduced
Hedge Fund
$20.7M· 2.4% of total· 0.1% port· 62K sh· $-49.4M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$13.5M· 1.6% of total· 0.0% port· 40K sh· +$97K QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$6.3M· 0.7% of total· 0.0% port· 19K sh· — QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$6.0M· 0.7% of total· 0.0% port· 18K sh· $-180.7M QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$3.3M· 0.4% of total· 0.0% port· 10K sh· $-2.7M QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$1.3M· 0.2% of total· 0.1% port· 4K sh· — QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$667K· 0.1% of total· 0.0% port· 2K sh· — QoQ· Q2 2026
MAVERICK CAPITAL LTDReduced
Hedge Fund
$616K· 0.1% of total· 0.0% port· 2K sh· $-1.8M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$326K· 0.0% of total· 0.0% port· 979 sh· — QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$250K· 0.0% of total· 0.0% port· 751 sh· — QoQ· Q2 2026
1–10 of 19
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