Security record · archived quarter
AMKR
Amkor Technology, Inc. · Technology · Semiconductors
126Tracked holders
+6Δ holders
90.67MShares held
$4.06BReported value
+9New positions
−4Exits
Momentum inputs (comparable managers):
holder breadth +5.0% ·
share flow +15.6% ·
net new positions +4.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 130 | +6 | 85.34M | $7.31B | +12 | −5 |
| Q1 2026 | 126 | +6 | 90.67M | $4.06B | +9 | −4 |
| Q4 2025 | 121 | 0 | 90.09M | $3.56B | +2 | −1 |
| Q3 2025 | 20 | -1 | 49.49M | $1.41B | — | −2 |
| Q2 2025 | 19 | +1 | 48.84M | $1.03B | +1 | — |
| Q1 2025 | 15 | 0 | 14.78M | $266.66M | +1 | −1 |
| Q4 2024 | 15 | +2 | 13.38M | $343.87M | +2 | — |
| Q3 2024 | 12 | -3 | 9.35M | $286.11M | — | −3 |
| Q2 2024 | 15 | — | 9.85M | $394.15M | — | — |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 12.97M | +0.3% | $583.98M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 17 | Dimensional Fund Advisors Lp | 10.99M | -13.9% | $494.88M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 18 | Dimensional Fund Advisors Lp | 10.99M | -13.9% | $494.88M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 19 | Dimensional Fund Advisors Lp | 10.99M | -13.9% | $494.88M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 20 | Dimensional Fund Advisors Lp | 10.99M | -13.9% | $494.88M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 21 | Dimensional Fund Advisors Lp | 10.99M | -13.9% | $494.88M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 22 | Vanguard Capital Management Llc | 5.43M | — | $244.71M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | JPMorgan Chase ✦ | 5.41M | +1504.8% | $223.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 24 | JPMorgan Chase ✦ | 5.41M | +1504.8% | $223.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 25 | JPMorgan Chase ✦ | 5.41M | +1504.8% | $223.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 26 | JPMorgan Chase ✦ | 5.41M | +1504.8% | $223.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | JPMorgan Chase ✦ | 5.41M | +1504.8% | $223.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | JPMorgan Chase ✦ | 5.41M | +1504.8% | $223.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | JPMorgan Chase ✦ | 5.41M | +1504.8% | $223.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | JPMorgan Chase ✦ | 5.41M | +1504.8% | $223.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | JPMorgan Chase ✦ | 5.41M | +1504.8% | $223.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | JPMorgan Chase ✦ | 5.41M | +1504.8% | $223.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 33 | State Street Global Advisors ✦ (passive) | 3.63M | +4.5% | $163.39M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 3.24M | -1.8% | $141.42M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 35 | AQR Capital Management ✦ | 3.24M | -1.8% | $141.42M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 36 | AQR Capital Management ✦ | 3.24M | -1.8% | $141.42M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 37 | AQR Capital Management ✦ | 3.24M | -1.8% | $141.42M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 38 | AQR Capital Management ✦ | 3.24M | -1.8% | $141.42M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 39 | AQR Capital Management ✦ | 3.24M | -1.8% | $141.42M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 40 | AQR Capital Management ✦ | 3.24M | -1.8% | $141.42M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 41 | AQR Capital Management ✦ | 3.24M | -1.8% | $141.42M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 42 | AQR Capital Management ✦ | 3.24M | -1.8% | $141.42M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 43 | AQR Capital Management ✦ | 3.24M | -1.8% | $141.42M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 44 | AQR Capital Management ✦ | 3.24M | -1.8% | $141.42M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 45 | Point72 Asset Management ✦ | 2.99M | -2.3% | $134.79M | 0.2% | ▼ Trim | 4 | SEC ↗ |
| 46 | Geode Capital Management ✦ (passive) | 2.73M | +22.3% | $122.98M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 47 | Geode Capital Management ✦ (passive) | 2.73M | +22.3% | $122.98M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 48 | American Century Companies Inc | 2.71M | -24.1% | $122.18M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 49 | Principal Financial Group Inc | 2.62M | +19.3% | $118.11M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 50 | Principal Financial Group Inc | 2.62M | +19.3% | $118.11M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 51 | Principal Financial Group Inc | 2.62M | +19.3% | $118.11M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 52 | Jane Street Group, Llc | 2.33M | +3578.1% | $104.91M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 53 | Jane Street Group, Llc | 2.33M | +3578.1% | $104.91M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 54 | Jane Street Group, Llc | 2.33M | +3578.1% | $104.91M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 55 | Charles Schwab Investment… | 2.10M | +0.1% | $94.63M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 56 | Fisher Asset Management ✦ | 2.01M | -4.0% | $90.55M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 57 | Invesco Ltd. | 1.89M | +69.4% | $85.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 58 | Invesco Ltd. | 1.89M | +69.4% | $85.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | Invesco Ltd. | 1.89M | +69.4% | $85.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | Invesco Ltd. | 1.89M | +69.4% | $85.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | Invesco Ltd. | 1.89M | +69.4% | $85.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Invesco Ltd. | 1.89M | +69.4% | $85.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Invesco Ltd. | 1.89M | +69.4% | $85.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Invesco Ltd. | 1.89M | +69.4% | $85.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | Invesco Ltd. | 1.89M | +69.4% | $85.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 66 | First Trust Advisors Lp | 1.79M | -34.1% | $80.76M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 67 | Bridgewater Associates ✦ | 1.58M | +1976.4% | $71.19M | 0.3% | ▲ Add | 2 | SEC ↗ |
| 68 | D. E. Shaw & Co. ✦ | 1.49M | +861.8% | $67.04M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 69 | D. E. Shaw & Co. ✦ | 1.49M | +861.8% | $67.04M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 70 | Allianz Asset Management GmbH | 1.38M | +37.4% | $62.34M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 71 | Allianz Asset Management GmbH | 1.38M | +37.4% | $62.34M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 72 | Allianz Asset Management GmbH | 1.38M | +37.4% | $62.34M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 73 | Allianz Asset Management GmbH | 1.38M | +37.4% | $62.34M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 74 | Allianz Asset Management GmbH | 1.38M | +37.4% | $62.34M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 75 | Morgan Stanley ✦ | 1.37M | -24.0% | $61.82M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 76 | Morgan Stanley ✦ | 1.37M | -24.0% | $61.82M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 77 | Morgan Stanley ✦ | 1.37M | -24.0% | $61.82M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 78 | Morgan Stanley ✦ | 1.37M | -24.0% | $61.82M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 79 | Morgan Stanley ✦ | 1.37M | -24.0% | $61.82M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 80 | Morgan Stanley ✦ | 1.37M | -24.0% | $61.82M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 81 | Morgan Stanley ✦ | 1.37M | -24.0% | $61.82M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 82 | Two Sigma Investments ✦ | 1.21M | +119.6% | $54.66M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 83 | UBS Group AG | 1.14M | -9.3% | $51.21M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 84 | UBS Group AG | 1.14M | -9.3% | $51.21M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 85 | UBS Group AG | 1.14M | -9.3% | $51.21M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 86 | UBS Group AG | 1.14M | -9.3% | $51.21M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 87 | UBS Group AG | 1.14M | -9.3% | $51.21M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 88 | Gotham Asset Management ✦ | 1.07M | -10.0% | $48.33M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 89 | Bank of New York Mellon Corp | 983.99K | +1.8% | $44.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 90 | Bank of New York Mellon Corp | 983.99K | +1.8% | $44.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 91 | Bank of New York Mellon Corp | 983.99K | +1.8% | $44.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 92 | Bank of New York Mellon Corp | 983.99K | +1.8% | $44.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 93 | Bank of New York Mellon Corp | 983.99K | +1.8% | $44.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 94 | Bank of New York Mellon Corp | 983.99K | +1.8% | $44.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 95 | Bank of New York Mellon Corp | 983.99K | +1.8% | $44.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 96 | Bank of New York Mellon Corp | 983.99K | +1.8% | $44.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 97 | Bank of New York Mellon Corp | 983.99K | +1.8% | $44.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 98 | Bank of New York Mellon Corp | 983.99K | +1.8% | $44.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 99 | Bank of New York Mellon Corp | 983.99K | +1.8% | $44.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 100 | Bank of New York Mellon Corp | 983.99K | +1.8% | $44.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Norges Bank | $53.70M | was 0.0% |
| Balyasny Asset Management L.P. | $4.91M | was 0.0% |
| Group One Trading Llc | $859,006 | was 0.0% |
| Canada Pension Plan… | $213,192 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 522 holders, 115.80M shares, $4.96B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 17
ROGERS MARK N
Officer · 5.00K sh · $298,900
Aug 11
Faust Megan
Officer · 1.00K sh · $54,450
Aug 07
ALEXANDER DOUGLAS A
Director · 5.00K sh · $279,050
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
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