ASX ASE Technology Holding Co., Ltd.
ASE Technology Holding Co., Ltd. (ASX) Institutional Ownership
What the institutions did with ASX last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 26.3M | 17.1% |
| BANK OF AMERICA CORP /DE/ | 9.4M | 6.1% |
| GOLDMAN SACHS GROUP INC | 8.3M | 5.4% |
| LAZARD ASSET MANAGEMENT LLC | 8.0M | 5.2% |
| UBS Group AG | 7.8M | 5.1% |
| MORGAN STANLEY | 5.8M | 3.8% |
| Rafferty Asset Management, LLC | 5.5M | 3.6% |
| AMERICAN CENTURY COMPANIES INC | 5.3M | 3.5% |
| JPMORGAN CHASE & CO | 5.3M | 3.5% |
| ACADIAN ASSET MANAGEMENT LLC | 4.9M | 3.2% |
| Fisher Asset Management, LLC | 4.4M | 2.9% |
| CITIGROUP INC | 4.3M | 2.8% |
| Man Group plc | 3.9M | 2.5% |
| BARCLAYS PLC | 3.5M | 2.3% |
| Cullen Capital Management, LLC | 2.1M | 1.4% |
| Creative Planning | 2.0M | 1.3% |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1.8M | 1.2% |
| DIMENSIONAL FUND ADVISORS LP | 1.6M | 1.0% |
| EARNEST PARTNERS LLC | 1.4M | 0.9% |
| ENVESTNET ASSET MANAGEMENT INC | 1.4M | 0.9% |
| NATIXIS ADVISORS, LLC | 1.3M | 0.9% |
| MILLENNIUM MANAGEMENT LLC | 1.3M | 0.8% |
| NORTHERN TRUST CORP | 1.2M | 0.8% |
| JONES FINANCIAL COMPANIES LLLP | 1.2M | 0.8% |
| Connor, Clark & Lunn Investment Management Ltd. | 1.2M | 0.8% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| LAZARD ASSET MANAGEMENT LLC | Reduced | 13.5M | 8.0M | -5.6M |
| BlackRock, Inc. | Increased | 22.2M | 26.3M | +4.1M |
| Man Group plc | Increased | 350.6K | 3.9M | +3.5M |
| JANE STREET GROUP, LLC | Sold Out | 3.1M | 0 | -3.1M |
| JPMORGAN CHASE & CO | Increased | 2.6M | 5.3M | +2.7M |
| BANK OF AMERICA CORP /DE/ | Increased | 6.8M | 9.4M | +2.6M |
| GOLDMAN SACHS GROUP INC | Increased | 5.8M | 8.3M | +2.5M |
| ACADIAN ASSET MANAGEMENT LLC | Reduced | 7.4M | 4.9M | -2.5M |
| Rafferty Asset Management, LLC | Increased | 3.6M | 5.5M | +1.9M |
| Cullen Capital Management, LLC | Reduced | 4.0M | 2.1M | -1.9M |
| Point72 Asset Management, L.P. | Sold Out | 1.7M | 0 | -1.7M |
| Bridgewater Associates, LP | Sold Out | 1.5M | 0 | -1.5M |
| UBS Group AG | Reduced | 9.3M | 7.8M | -1.5M |
| HSBC HOLDINGS PLC | Reduced | 1.8M | 461.0K | -1.3M |
| MARSHALL WACE, LLP | Reduced | 1.0M | 8.7K | -991.8K |
| MORGAN STANLEY | Reduced | 6.7M | 5.8M | -931.9K |
| TT International Asset Management LTD | Increased | 42.9K | 907.8K | +864.9K |
| CITIGROUP INC | Increased | 3.5M | 4.3M | +802.4K |
| DEUTSCHE BANK AG\ | Reduced | 780.7K | 58.6K | -722.1K |
| JONES FINANCIAL COMPANIES LLLP | Reduced | 1.8M | 1.2M | -634.8K |
| NATIXIS ADVISORS, LLC | Reduced | 1.9M | 1.3M | -634.8K |
| Connor, Clark & Lunn Investment Management Ltd. | Increased | 566.0K | 1.2M | +633.6K |
| NINE MASTS CAPITAL Ltd | Reduced | 777.2K | 158.2K | -619.0K |
| ENVESTNET ASSET MANAGEMENT INC | Reduced | 2.0M | 1.4M | -586.5K |
| Ovata Capital Management Ltd | Increased | 214.3K | 729.0K | +514.7K |
| AMERICAN CENTURY COMPANIES INC | Reduced | 5.8M | 5.3M | -494.6K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Sold Out | 481.4K | 0 | -481.4K |
| NORDEA INVESTMENT MANAGEMENT AB | New | 0 | 422.6K | +422.6K |
| Fisher Asset Management, LLC | Reduced | 4.8M | 4.4M | -402.8K |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | Sold Out | 400.0K | 0 | -400.0K |
| CITADEL ADVISORS LLC | Sold Out | 384.6K | 0 | -384.6K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 264.5K | 620.9K | +356.4K |
| Balyasny Asset Management L.P. | Sold Out | 332.4K | 0 | -332.4K |
| Tidal Investments LLC | Increased | 734.9K | 1.1M | +331.7K |
| Mirae Asset Global Investments Co., Ltd. | New | 0 | 326.4K | +326.4K |
| MACKENZIE FINANCIAL CORP | Increased | 822.7K | 1.1M | +319.2K |
| MILLENNIUM MANAGEMENT LLC | Increased | 938.8K | 1.3M | +316.6K |
| Polymer Capital Management (HK) LTD | Reduced | 443.2K | 134.5K | -308.7K |
| EARNEST PARTNERS LLC | Reduced | 1.7M | 1.4M | -292.6K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 1.0M | 775.1K | -273.4K |
| WELLS FARGO & COMPANY/MN | Reduced | 1.2M | 897.7K | -266.7K |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | Increased | 12.6K | 271.8K | +259.2K |
| BNP PARIBAS FINANCIAL MARKETS | Reduced | 1.1M | 807.7K | -256.2K |
| OVERSEA-CHINESE BANKING Corp Ltd | New | 0 | 243.3K | +243.3K |
| DRW Securities, LLC | Sold Out | 232.9K | 0 | -232.9K |
| DYMON ASIA CAPITAL (SINGAPORE) PTE. LTD. | Sold Out | 231.4K | 0 | -231.4K |
| OPPENHEIMER ASSET MANAGEMENT INC. | Reduced | 438.4K | 207.8K | -230.6K |
| Verition Fund Management LLC | Reduced | 555.3K | 331.4K | -223.9K |
| CAPITAL FUND MANAGEMENT S.A. | Reduced | 564.2K | 346.9K | -217.3K |
| Nuveen, LLC | New | 0 | 213.3K | +213.3K |
| NOMURA HOLDINGS INC | Increased | 298.0K | 502.8K | +204.8K |
| Dilation Capital Management LP | New | 0 | 197.9K | +197.9K |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | Increased | 449.2K | 641.4K | +192.1K |
| DIMENSIONAL FUND ADVISORS LP | Increased | 1.4M | 1.6M | +188.4K |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | Sold Out | 179.5K | 0 | -179.5K |
| BOOTHBAY FUND MANAGEMENT, LLC | Sold Out | 162.8K | 0 | -162.8K |
| Schonfeld Strategic Advisors LLC | Sold Out | 160.2K | 0 | -160.2K |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | New | 0 | 154.1K | +154.1K |
| Eurizon Capital SGR S.p.A. | Reduced | 201.7K | 65.3K | -136.5K |
| LPL Financial LLC | Increased | 308.1K | 440.5K | +132.4K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.