Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in AMKR held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 13.0M | $584.0M | +0.4% | 5.233% | 0.01% |
| 2 | DIMENSIONAL FUND ADVISORS LP | 11.0M | $494.9M | -14.0% | 4.435% | 0.10% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 9.1M | $409.6M | — | 3.671% | 0.02% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 5.4M | $244.7M | — | 2.193% | 0.01% |
| 5 | STATE STREET CORP | 3.6M | $163.4M | +4.5% | 1.464% | 0.01% |
| 6 | EARNEST PARTNERS LLC | 3.4M | $154.5M | -9.5% | 1.385% | 0.64% |
| 7 | AQR CAPITAL MANAGEMENT LLC | 3.2M | $141.4M | -1.8% | 1.308% | 0.06% |
| 8 | Point72 Asset Management, L.P. | 3.1M | $141.2M | +1.6% | 1.266% | 0.20% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 2.7M | $123.0M | +22.3% | 1.102% | 0.01% |
| 10 | AMERICAN CENTURY COMPANIES INC | 2.7M | $122.2M | -24.1% | 1.095% | 0.06% |
| 11 | PRINCIPAL FINANCIAL GROUP INC | 2.6M | $118.1M | +19.3% | 1.058% | 0.06% |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.1M | $94.6M | +0.1% | 0.848% | 0.01% |
| 13 | Fisher Asset Management, LLC | 2.0M | $90.6M | -4.0% | 0.812% | 0.03% |
| 14 | Invesco Ltd. | 1.9M | $85.1M | +69.4% | 0.762% | 0.01% |
| 15 | FIRST TRUST ADVISORS LP | 1.8M | $80.8M | -34.1% | 0.724% | 0.06% |
| 16 | GOLDMAN SACHS GROUP INC | 1.7M | $77.8M | +241.1% | 0.697% | 0.01% |
| 17 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1.6M | $73.7M | +5.8% | 0.660% | 0.01% |
| 18 | Bridgewater Associates, LP | 1.6M | $71.2M | +1976.4% | 0.638% | 0.32% |
| 19 | D. E. Shaw & Co., Inc. | 1.5M | $67.0M | +861.8% | 0.601% | 0.06% |
| 20 | Allianz Asset Management GmbH | 1.4M | $62.3M | +37.4% | 0.559% | 0.07% |
| 21 | MORGAN STANLEY | 1.4M | $61.8M | -24.0% | 0.554% | 0.00% |
| 22 | TWO SIGMA INVESTMENTS, LP | 1.2M | $55.9M | +124.5% | 0.501% | 0.05% |
| 23 | UBS Group AG | 1.1M | $51.2M | -9.3% | 0.459% | 0.01% |
| 24 | Gotham Asset Management, LLC | 1.1M | $48.3M | -10.0% | 0.433% | 0.15% |
| 25 | Trexquant Investment LP | 1.1M | $48.0M | — | 0.430% | 0.45% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in AMKR — a direct measure of their conviction.
Filings activity in AMKR during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 512 | +15% | 24.34% | +2.88 pp | $4.99B | +13% |
| Q4 2025 | 445 | +21% | 21.46% | +7.01 pp | $4.40B | +49% |
| Q3 2025 | 367 | +8.6% | 14.45% | +2.89 pp | $2.96B | +25% |
| Q2 2025 | 338 | +0.3% | 11.56% | +2.44 pp | $2.37B | +27% |
| Q1 2025 | 337 | +3.4% | 9.12% | 4.13 pp | $1.87B | 31% |
| Q4 2024 | 326 | 5.5% | 13.25% | 1.35 pp | $2.72B | 9.2% |
| Q3 2024 | 345 | 11% | 14.60% | 4.07 pp | $2.99B | 22% |
| Q2 2024 | 388 | — | 18.67% | — | $3.83B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying AMKR stock.
Based on Q1 2026 13F filings, institutional ownership of Amkor Technology, Inc. stands at 24.3%, held across 512 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of AMKR, with approximately 12,968,765 shares worth $0.58B as of Q1 2026.
Yes — 5 widely-followed marquee investors appear among the top 25 institutional holders of AMKR, including Point72 Asset Management, L.P., Fisher Asset Management, LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, Bridgewater Associates, LP, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for AMKR is 86 out of 100 (Strong Smart Money). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
138 institutions opened new positions in AMKR during Q1 2026, while 71 fully exited. 287 added to existing positions and 83 trimmed.
AMKR institutional ownership rose by 2.88 percentage points quarter-over-quarter, with a net change of +67 holders.
The top 10 institutions account for 51.7% of all reported 13F value in AMKR, and the top 25 account for 73.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Amkor Technology, Inc. (AMKR) Institutional Ownership