AMKOR TECHNOLOGY INC's ticker is AMKR and the CUSIP is 031652100. A total of 163 filers reported holding AMKOR TECHNOLOGY INC in Q2 2019. The put-call ratio across all filers is 0.39 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $5,000 | 0.0% | 314 | -28.1% | 0.00% | 0.0% |
| Q3 2020 | $5,000 | 0.0% | 437 | 0.0% | 0.00% | 0.0% |
| Q2 2020 | $5,000 | +66.7% | 437 | 0.0% | 0.00% | +100.0% |
| Q1 2020 | $3,000 | -50.0% | 437 | 0.0% | 0.00% | -50.0% |
| Q4 2019 | $6,000 | +50.0% | 437 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $4,000 | +33.3% | 437 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $3,000 | -25.0% | 437 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $4,000 | +33.3% | 437 | 0.0% | 0.00% | +100.0% |
| Q4 2018 | $3,000 | – | 437 | – | 0.00% | – |
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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% |