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

ASE TECHNOLOGY HLDG CO LTD

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

CUSIP 00215W100·Semiconductors & Related Devices·511 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$5.1B
visible holders
Holders
511
filers reporting
Concentration
23.43%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

511 institutions reported ASX in Q2 2026. BlackRock, Inc. leads at 23.4% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$1.2B26.3M0.02%Q2 2026
02
BANK OF AMERICA CORP /DE/
CIK 0000070858
$424M9.4M0.03%Q2 2026
03
GOLDMAN SACHS GROUP INC
CIK 0000886982
$375M8.3M0.03%Q2 2026
04
LAZARD ASSET MANAGEMENT LLC
CIK 0001207017
$360M8.0M0.54%Q2 2026
05
UBS Group AG
CIK 0001610520
$351M7.8M0.04%Q2 2026
06
MORGAN STANLEY
CIK 0000895421
$262M5.8M0.01%Q2 2026
07
Rafferty Asset Management, LLC
CIK 0001389426
$249M5.5M0.57%Q2 2026
08
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$241M5.3M0.11%Q2 2026
09
JPMORGAN CHASE & CO
CIK 0000019617
$224M5.3M0.01%Q2 2026
10
Fisher Asset Management, LLC
CIK 0000850529
$199M4.4M0.06%Q2 2026
11
CITIGROUP INC
CIK 0000831001
$192M4.3M0.06%Q2 2026
12
Man Group plc
CIK 0001637460
$174M3.9M0.28%Q2 2026
13
ACADIAN ASSET MANAGEMENT LLC
CIK 0000916542
$160M7.4M0.23%Q1 2026
14
BARCLAYS PLC
CIK 0000312069
$157M3.5M0.03%Q2 2026
15
Tidal Investments LLC
CIK 0001600064
$97M2.1M0.17%Q2 2026
16
Cullen Capital Management, LLC
CIK 0001362535
$94M2.1M0.93%Q2 2026
17
Creative Planning
CIK 0001540235
$90M2.0M0.05%Q2 2026
18
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main
CIK 0001694217
$81M1.8M0.06%Q2 2026
19
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$72M1.6M0.01%Q2 2026
20
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$70M3.2M0.01%Q1 2026
Page 1 of 26
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Insiders at ASE TECHNOLOGY HLDG CO LTD
Chung Chih-HsiaoLin ChungUang Du-TsuenChang Hung PenChen JeffreyChen Tien-SzuChang Chien Shen