DOSSIER · 13F Holders · Q1 2026Technology · Semiconductors & Related Devices
ASX

ASE TECHNOLOGY HLDG CO LTD

417 institutions still hold ASE TECHNOLOGY HLDG CO LTD as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 00215W100·Semiconductors & Related Devices·417 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$2.4B
visible holders
Holders
417
filers reporting
Concentration
19.74%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

417 institutions reported ASX in Q1 2026. BlackRock, Inc. leads at 19.7% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$481M22.2M0.01%Q1 2026
02
LAZARD ASSET MANAGEMENT LLC
CIK 0001207017
$293M13.5M0.48%Q1 2026
03
UBS Group AG
CIK 0001610520
$201M9.3M0.03%Q1 2026
04
ACADIAN ASSET MANAGEMENT LLC
CIK 0000916542
$160M7.4M0.23%Q1 2026
05
BANK OF AMERICA CORP /DE/
CIK 0000070858
$148M6.8M0.01%Q1 2026
06
MORGAN STANLEY
CIK 0000895421
$146M6.7M0.01%Q1 2026
07
GOLDMAN SACHS GROUP INC
CIK 0000886982
$127M5.8M0.01%Q1 2026
08
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$126M5.8M0.07%Q1 2026
09
Fisher Asset Management, LLC
CIK 0000850529
$104M4.8M0.04%Q1 2026
10
Cullen Capital Management, LLC
CIK 0001362535
$87M4.0M0.89%Q1 2026
11
Rafferty Asset Management, LLC
CIK 0001389426
$78M3.6M0.32%Q1 2026
12
CITIGROUP INC
CIK 0000831001
$75M3.5M0.03%Q1 2026
13
BARCLAYS PLC
CIK 0000312069
$73M3.4M0.02%Q1 2026
14
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$70M3.2M0.01%Q1 2026
15
JPMORGAN CHASE & CO
CIK 0000019617
$55M2.6M0.00%Q1 2026
16
HSBC HOLDINGS PLC
CIK 0000873630
$44M2.0M0.02%Q1 2026
17
ENVESTNET ASSET MANAGEMENT INC
CIK 0001407543
$43M2.0M0.01%Q1 2026
18
NATIXIS ADVISORS, LLC
CIK 0001018331
$42M1.9M0.06%Q1 2026
19
Creative Planning
CIK 0001540235
$41M1.9M0.03%Q1 2026
20
TT International Asset Management LTD
CIK 0001809187
$41M908K5.23%Q2 2026
Page 1 of 21
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Insiders at ASE TECHNOLOGY HLDG CO LTD
Uang Du-TsuenChang Hung PenChen JeffreyChen Tien-SzuChang Chien Shen