AMKOR TECHNOLOGY INC's ticker is AMKR and the CUSIP is 031652100. A total of 169 filers reported holding AMKOR TECHNOLOGY INC in Q1 2018. The put-call ratio across all filers is 1.27 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $244,000 | -38.7% | 9,799 | -41.6% | 0.02% | -35.3% |
| Q1 2021 | $398,000 | -7.7% | 16,793 | -41.3% | 0.03% | -2.9% |
| Q4 2020 | $431,000 | +326.7% | 28,619 | +155.8% | 0.04% | +600.0% |
| Q3 2019 | $101,000 | -51.4% | 11,189 | -54.1% | 0.01% | -58.3% |
| Q1 2019 | $208,000 | -60.4% | 24,400 | -53.3% | 0.01% | +50.0% |
| Q4 2017 | $525,000 | -78.7% | 52,300 | -75.4% | 0.01% | -78.4% |
| Q1 2017 | $2,462,000 | +137.4% | 212,500 | +116.2% | 0.04% | +42.3% |
| Q4 2016 | $1,037,000 | +42.4% | 98,300 | +31.2% | 0.03% | +8.3% |
| Q3 2016 | $728,000 | +746.5% | 74,900 | +427.5% | 0.02% | +380.0% |
| Q4 2015 | $86,000 | -47.9% | 14,200 | -24.1% | 0.01% | -68.8% |
| Q1 2015 | $165,000 | -57.3% | 18,700 | -46.0% | 0.02% | -76.8% |
| Q2 2014 | $386,000 | – | 34,600 | – | 0.07% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Walthausen & Co., LLC | 1,780,185 | $13,156,000 | 1.26% |
| Matarin Capital Management, LLC | 1,532,822 | $11,327,555,000 | 0.73% |
| Zebra Capital Management LLC | 145,528 | $1,075,000 | 0.49% |
| ALGERT GLOBAL LLC | 187,845 | $1,388,000 | 0.30% |
| Hanson & Doremus Investment Management | 125,181 | $925,000 | 0.29% |
| SECOR Capital Advisors, LP | 253,777 | $1,875,000 | 0.20% |
| Unison Advisors LLC | 32,664 | $241,000 | 0.17% |
| GLOBEFLEX CAPITAL L P | 96,000 | $709,000 | 0.14% |
| Spark Investment Management LLC | 327,100 | $2,417,000 | 0.14% |
| AJO, LP | 3,837,651 | $28,360,000 | 0.13% |