AMKR
Amkor Technology, Inc. · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth -20.0% ·
share flow -5.1% ·
net new positions -20.0%
· formula
Broad distribution: falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 3 | 0 | 160.07K | $7.98M | n/a | −1 |
| Q2 2026 | 128 | +6 | 85.31M | $7.32B | +12 | −7 |
| 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 | n/a | −2 |
| Q2 2025 | 19 | +1 | 48.84M | $1.03B | +1 | n/a |
| Q1 2025 | 15 | 0 | 14.78M | $266.66M | +1 | −1 |
| Q4 2024 | 15 | +2 | 13.38M | $343.87M | +2 | n/a |
| Q3 2024 | 12 | -3 | 9.35M | $286.11M | n/a | −3 |
| Q2 2024 | 15 | n/a | 9.85M | $394.15M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | AQR Capital Management ✦ | 2.50M | +39.7% | $76.36M | 0.1% | ▲ Add | 2 | SEC ↗ ×3 |
| 2 | Geode Capital Management ✦ (passive) | 2.09M | +6.7% | $64.10M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 3 | Norges Bank ✦ (passive) | 1.27M | -4.5% | $38.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | Wellington Management ✦ | 1.13M | +522.0% | $34.70M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 5 | Arrowstreet Capital ✦ | 707.55K | -52.6% | $21.65M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | D. E. Shaw & Co. ✦ | 485.66K | +32.6% | $14.86M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 7 | Bridgewater Associates ✦ | 444.13K | +5.1% | $13.59M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 8 | Fisher Asset Management ✦ | 210.38K | +15.4% | $6.44M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | Gotham Asset Management ✦ | 173.58K | +332.0% | $5.31M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 10 | T. Rowe Price ✦ | 166.28K | +52.2% | $5.09M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 11 | Citadel Advisors ✦ | 160.98K | -4.6% | $4.93M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | Millennium Management ✦ | 7.18K | -99.5% | $219,739 | 0.0% | ▼ Trim | 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
| Marshall Wace | $11.01M | was 0.0% |
| Renaissance Technologies | $6.06M | was 0.0% |
| Two Sigma Investments | $662,651 | 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.
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)
Officer · 1.00K sh · $46,920
Director · 5.00K sh · $275,000
Officer · 1.00K sh · $49,050
Officer · 5.00K sh · $298,900
Officer · 1.00K sh · $54,450
Director · 5.00K sh · $279,050
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology