AMKOR TECHNOLOGY INC COM is a security (CUSIP 031652100) tracked across SEC portfolio filings. 607 institutional managers reported $5.7B on Form 13F as of 2026-06-30; 46 registered fund positions totaling $326.4M via N-PORT as of 2026-06-30.
Showing 15 of 607 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| VANGUARD GROUP INC | Valley Forge, PA | $620.0M | 15,704,172 |
| BlackRock, Inc. | New York, NY | $584.0M | 12,968,765 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $494.9M | 10,991,469 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $223.0M | 5,406,545 |
| PRINCIPAL FINANCIAL GROUP INC | DES MOINES, IA | $169.8M | 1,970,200 |
| STATE STREET CORP | BOSTON, MA | $163.4M | 3,628,542 |
| Fisher Asset Management, LLC | PLANO, TX | $157.1M | 1,821,547 |
| EARNEST PARTNERS LLC | ATLANTA, GA | $154.5M | 3,431,843 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $144.1M | 2,329,820 |
| AQR CAPITAL MANAGEMENT LLC | Greenwich, CT | $141.4M | 3,242,130 |
| Point72 Asset Management, L.P. | Stamford, CT | $141.2M | 2,993,434 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $123.0M | 2,730,508 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $122.2M | 2,713,260 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | SAN FRANCISCO, CA | $94.6M | 2,101,538 |
| Bank of New York Mellon Corp | NEW YORK, NY | $90.7M | 1,051,327 |
Showing 15 of 46 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $154.4M | 63.77% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $57.2M | 7.02% |
| VANGUARD STRATEGIC EQUITY FUND | VANGUARD HORIZON FUNDS | $22.8M | 22.58% |
| LORD ABBETT DEVELOPING GROWTH FUND INC | LORD ABBETT DEVELOPING GROWTH FUND, INC. | $22.8M | 102.67% |
| T. Rowe Price Science & Technology Fund, Inc. | T. ROWE PRICE SCIENCE & TECHNOLOGY FUND, INC. | $18.7M | 17.41% |
| Columbia Mid Cap Index Fund | COLUMBIA FUNDS SERIES TRUST | $5.7M | 22.24% |
| VANGUARD U.S. MOMENTUM FACTOR ETF | VANGUARD WELLINGTON FUND | $4.5M | 24.69% |
| Fidelity Nasdaq Composite Index ETF | Fidelity Commonwealth Trust | $4.1M | 3.76% |
| Disciplined Value Fund | American Century Quantitative Equity Funds, Inc. | $3.9M | 20.87% |
| Large Cap Index Master Portfolio | Master Investment Portfolio | $3.3M | 0.91% |
| BNY Mellon Midcap Index Fund, Inc. | BNY MELLON MIDCAP INDEX FUND, INC. | $3.2M | 23.11% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $3.1M | 0.53% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $2.7M | 0.88% |
| T. Rowe Price New Horizons Fund, Inc. | T. ROWE PRICE NEW HORIZONS FUND, INC. | $2.4M | 1.91% |
| VANGUARD EXPLORER FUND | VANGUARD EXPLORER FUND | $2.3M | 1.08% |