Who owns ASE Technology Holding Co., Ltd.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ASX from SEC Form 13F filings across 488 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 488 institutions disclosed 153.4M shares of ASE Technology Holding Co., Ltd. worth $9.45B — about 7% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
488
13F holders
$9.45B
value, 2026 filers
7%
of shares outstanding (153.4M sh)
163
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ASX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 26.3M | $1.18B | 0.0% | 1.2% | +18.3% |
| 2 | BANK OF AMERICA CORP /DE/ | 9.4M | $423.6M | 0.0% | 0.4% | +37.4% |
| 3 | GOLDMAN SACHS GROUP INC | 8.3M | $374.5M | 0.0% | 0.4% | +42.0% |
| 4 | LAZARD ASSET MANAGEMENT LLC | 8.0M | $359.6M | 0.5% | 0.4% | -41.1% |
| 5 | UBS Group AG | 7.8M | $351.4M | 0.0% | 0.4% | -16.1% |
| 6 | MORGAN STANLEY | 5.8M | $261.5M | 0.0% | 0.3% | -13.9% |
| 7 | Rafferty Asset Management, LLC | 5.5M | $249.1M | 0.6% | 0.3% | +54.2% |
| 8 | AMERICAN CENTURY COMPANIES INC | 5.3M | $240.6M | 0.1% | 0.2% | -8.5% |
| 9 | JPMORGAN CHASE & CO | 5.3M | $223.7M | 0.0% | 0.2% | +100.6% |
| 10 | ACADIAN ASSET MANAGEMENT LLC | 4.9M | $221.8M | 0.3% | 0.2% | -33.3% |
| 11 | Fisher Asset Management, LLC | 4.4M | $198.6M | 0.1% | 0.2% | -8.4% |
| 12 | CITIGROUP INC | 4.3M | $192.3M | 0.1% | 0.2% | +23.2% |
| 13 | Man Group plc | 3.9M | $174.0M | 0.3% | 0.2% | +1000.1% |
| 14 | BARCLAYS PLC | 3.5M | $157.5M | 0.0% | 0.2% | +3.5% |
| 15 | Cullen Capital Management, LLC | 2.1M | $94.3M | 0.9% | 0.1% | -47.9% |
| 16 | Creative Planning | 2.0M | $90.2M | 0.1% | 0.1% | +5.4% |
| 17 | DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1.8M | $81.1M | 0.1% | 0.1% | +0.1% |
| 18 | DIMENSIONAL FUND ADVISORS LP | 1.6M | $71.6M | 0.0% | 0.1% | +13.5% |
| 19 | EARNEST PARTNERS LLC | 1.4M | $64.7M | 0.2% | 0.1% | -16.9% |
| 20 | ENVESTNET ASSET MANAGEMENT INC | 1.4M | $63.7M | 0.0% | 0.1% | -29.3% |
| 21 | NATIXIS ADVISORS, LLC | 1.3M | $58.9M | 0.1% | 0.1% | -32.7% |
| 22 | MILLENNIUM MANAGEMENT LLC | 1.3M | $56.6M | 0.0% | 0.1% | +33.7% |
| 23 | NORTHERN TRUST CORP | 1.2M | $56.2M | 0.0% | 0.1% | +4.5% |
| 24 | JONES FINANCIAL COMPANIES LLLP | 1.2M | $48.3M | 0.0% | 0.1% | -34.6% |
| 25 | Connor, Clark & Lunn Investment Management Ltd. | 1.2M | $54.1M | 0.1% | 0.1% | +111.9% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.