Security record
AMKR
Amkor Technology, Inc. · Technology · Semiconductors
130Tracked holders
+6Δ holders
85.34MShares held
$7.31BReported value
+12New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth +4.8% ·
share flow -7.1% ·
net new positions +5.4%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 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 · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 12.29M | -5.2% | $1.06B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 17 | Dimensional Fund Advisors Lp | 8.06M | -26.6% | $695.29M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 18 | Dimensional Fund Advisors Lp | 8.06M | -26.6% | $695.29M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 19 | Dimensional Fund Advisors Lp | 8.06M | -26.6% | $695.29M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 20 | Dimensional Fund Advisors Lp | 8.06M | -26.6% | $695.29M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 21 | Dimensional Fund Advisors Lp | 8.06M | -26.6% | $695.29M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 22 | Vanguard Capital Management Llc | 6.70M | +23.3% | $577.83M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 23 | JPMorgan Chase ✦ | 5.70M | +5.5% | $470.03M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 24 | JPMorgan Chase ✦ | 5.70M | +5.5% | $470.03M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 25 | JPMorgan Chase ✦ | 5.70M | +5.5% | $470.03M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 26 | JPMorgan Chase ✦ | 5.70M | +5.5% | $470.03M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 27 | JPMorgan Chase ✦ | 5.70M | +5.5% | $470.03M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 28 | JPMorgan Chase ✦ | 5.70M | +5.5% | $470.03M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 29 | JPMorgan Chase ✦ | 5.70M | +5.5% | $470.03M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 30 | JPMorgan Chase ✦ | 5.70M | +5.5% | $470.03M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 31 | JPMorgan Chase ✦ | 5.70M | +5.5% | $470.03M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 32 | JPMorgan Chase ✦ | 5.70M | +5.5% | $470.03M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 33 | JPMorgan Chase ✦ | 5.70M | +5.5% | $470.03M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 34 | JPMorgan Chase ✦ | 5.70M | +5.5% | $470.03M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 35 | State Street Global Advisors ✦ (passive) | 3.73M | +2.8% | $321.69M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 36 | AQR Capital Management ✦ | 3.23M | -0.3% | $273.84M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 37 | AQR Capital Management ✦ | 3.23M | -0.3% | $273.84M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 38 | AQR Capital Management ✦ | 3.23M | -0.3% | $273.84M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 39 | AQR Capital Management ✦ | 3.23M | -0.3% | $273.84M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 40 | AQR Capital Management ✦ | 3.23M | -0.3% | $273.84M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 41 | AQR Capital Management ✦ | 3.23M | -0.3% | $273.84M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 42 | AQR Capital Management ✦ | 3.23M | -0.3% | $273.84M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 43 | AQR Capital Management ✦ | 3.23M | -0.3% | $273.84M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 44 | AQR Capital Management ✦ | 3.23M | -0.3% | $273.84M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 45 | AQR Capital Management ✦ | 3.23M | -0.3% | $273.84M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 46 | AQR Capital Management ✦ | 3.23M | -0.3% | $273.84M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 47 | Geode Capital Management ✦ (passive) | 2.80M | +2.5% | $241.33M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 48 | Geode Capital Management ✦ (passive) | 2.80M | +2.5% | $241.33M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 49 | Invesco Ltd. | 2.49M | +31.6% | $214.35M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | Invesco Ltd. | 2.49M | +31.6% | $214.35M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 51 | Invesco Ltd. | 2.49M | +31.6% | $214.35M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 52 | Invesco Ltd. | 2.49M | +31.6% | $214.35M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | Invesco Ltd. | 2.49M | +31.6% | $214.35M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 54 | Invesco Ltd. | 2.49M | +31.6% | $214.35M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 55 | Invesco Ltd. | 2.49M | +31.6% | $214.35M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | Invesco Ltd. | 2.49M | +31.6% | $214.35M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | Point72 Asset Management ✦ | 2.48M | -17.2% | $213.62M | 0.3% | ▼ Trim | 5 | SEC ↗ |
| 58 | Principal Financial Group Inc | 1.97M | -24.9% | $169.85M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 59 | Principal Financial Group Inc | 1.97M | -24.9% | $169.85M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 60 | Principal Financial Group Inc | 1.97M | -24.9% | $169.85M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 61 | First Trust Advisors Lp | 1.84M | +2.4% | $158.34M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 62 | Charles Schwab Investment… | 1.83M | -12.8% | $158.02M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 63 | Charles Schwab Investment… | 1.83M | -12.8% | $158.02M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 64 | Fisher Asset Management ✦ | 1.82M | -9.4% | $157.07M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 65 | T. Rowe Price ✦ | 1.66M | +122.3% | $143.10M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 66 | T. Rowe Price ✦ | 1.66M | +122.3% | $143.10M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 67 | Morgan Stanley ✦ | 1.53M | +11.1% | $131.56M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 68 | Morgan Stanley ✦ | 1.53M | +11.1% | $131.56M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 69 | Morgan Stanley ✦ | 1.53M | +11.1% | $131.56M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 70 | Morgan Stanley ✦ | 1.53M | +11.1% | $131.56M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 71 | Morgan Stanley ✦ | 1.53M | +11.1% | $131.56M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 72 | Morgan Stanley ✦ | 1.53M | +11.1% | $131.56M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 73 | Morgan Stanley ✦ | 1.53M | +11.1% | $131.56M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 74 | Morgan Stanley ✦ | 1.53M | +11.1% | $131.56M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 75 | Morgan Stanley ✦ | 1.53M | +11.1% | $131.56M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 76 | Morgan Stanley ✦ | 1.53M | +11.1% | $131.56M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 77 | Norges Bank ✦ (passive) | 1.48M | New | $127.38M | 0.0% | New | 1 | SEC ↗ |
| 78 | Qube Research & Technologies Ltd | 1.16M | +220.7% | $100.15M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 79 | Two Sigma Investments ✦ | 1.07M | -11.9% | $92.19M | 0.1% | ▼ Trim | 6 | SEC ↗ |
| 80 | American Century Companies Inc | 1.06M | -61.1% | $91.03M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 81 | Bank of New York Mellon Corp | 1.05M | +6.8% | $90.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | Bank of New York Mellon Corp | 1.05M | +6.8% | $90.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 83 | Bank of New York Mellon Corp | 1.05M | +6.8% | $90.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 84 | Bank of New York Mellon Corp | 1.05M | +6.8% | $90.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | Bank of New York Mellon Corp | 1.05M | +6.8% | $90.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 86 | Bank of New York Mellon Corp | 1.05M | +6.8% | $90.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | Bank of New York Mellon Corp | 1.05M | +6.8% | $90.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 88 | Bank of New York Mellon Corp | 1.05M | +6.8% | $90.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 89 | Bank of New York Mellon Corp | 1.05M | +6.8% | $90.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Bank of New York Mellon Corp | 1.05M | +6.8% | $90.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | Bank of New York Mellon Corp | 1.05M | +6.8% | $90.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | Bank of New York Mellon Corp | 1.05M | +6.8% | $90.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 93 | Goldman Sachs Group ✦ | 1.05M | +22.1% | $90.23M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 94 | Goldman Sachs Group ✦ | 1.05M | +22.1% | $90.23M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 95 | Goldman Sachs Group ✦ | 1.05M | +22.1% | $90.23M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 96 | Goldman Sachs Group ✦ | 1.05M | +22.1% | $90.23M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 97 | Citadel Advisors ✦ | 1.03M | +425.0% | $88.66M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 98 | Citadel Advisors ✦ | 1.03M | +425.0% | $88.66M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 99 | Northern Trust Corp | 960.94K | +1.8% | $82.86M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 100 | Northern Trust Corp | 960.94K | +1.8% | $82.86M | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $127.38M | 0.0% |
Exited
| Wellington Management | $13.92M | was 0.0% |
| Holocene Advisors, LP | $721,291 | was 0.0% |
| Capstone Investment Advisors… | $491,638 | was 0.0% |
| Marshall Wace | $280,311 | was 0.0% |
| Arrowstreet Capital | $264,686 | 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: Q2 2026 ·
Methodology ·
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