13F Insight
DOSSIER · 13F Holders · Q2 2026
IMOS

CHIPMOS TECHNOLOGIES INC

94 institutions still hold CHIPMOS TECHNOLOGIES INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 16965P202·94 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$157M
visible holders
Holders
94
filers reporting
Concentration
45.25%
RENAISSANCE TECHNOLOGIES LLC #1
top holder share
AI Holders Summary · Q2 2026

94 institutions reported IMOS in Q2 2026. RENAISSANCE TECHNOLOGIES LLC leads at 45.3% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$71M1.1M0.10%Q2 202602
BlackRock, Inc.
CIK 0002012383
$16M255K0.00%Q2 202603
O'SHAUGHNESSY ASSET MANAGEMENT, LLC
CIK 0001423442
$11M172K0.05%Q2 202604
XY Capital Ltd
CIK 0001933132
$8M130K8.08%Q2 202605
ACADIAN ASSET MANAGEMENT LLC
CIK 0000916542
$8M226K0.01%Q1 202606
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$6M89K0.00%Q2 202607
Vanguard Personalized Indexing Management, LLC
CIK 0001767306
$5M72K0.04%Q2 202608
PEAK6 LLC
CIK 0001389958
$4M62K0.01%Q2 202609
ENVESTNET ASSET MANAGEMENT INC
CIK 0001407543
$3M53K0.00%Q2 202610
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$3M53K0.00%Q2 202611
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$3M51K0.00%Q2 202612
Creative Planning
CIK 0001540235
$3M49K0.00%Q2 202613
MARSHALL WACE, LLP
CIK 0001318757
$2M34K0.00%Q2 202614
RENAISSANCE GROUP LLC
CIK 0000944234
$2M34K0.09%Q2 202615
Qube Research & Technologies Ltd
CIK 0001729829
$2M33K0.00%Q2 202616
Caprock Group, LLC
CIK 0001610769
$2M31K0.04%Q2 202617
Ballentine Partners, LLC
CIK 0001374889
$2M27K0.02%Q2 202618
RHUMBLINE ADVISERS
CIK 0001115418
$2M26K0.00%Q2 202619
SIGNATUREFD, LLC
CIK 0001456048
$1M21K0.02%Q2 202620
JPMORGAN CHASE & CO
CIK 0000019617
$1M22K0.00%Q2 2026
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