AMKOR TECHNOLOGY INC's ticker is AMKR and the CUSIP is 031652100. A total of 185 filers reported holding AMKOR TECHNOLOGY INC in Q1 2015. The put-call ratio across all filers is 2.65 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $528,000 | +0.8% | 52,100 | 0.0% | 0.01% | +14.3% |
| Q4 2017 | $524,000 | -4.7% | 52,100 | 0.0% | 0.01% | -30.0% |
| Q3 2017 | $550,000 | +8.1% | 52,100 | 0.0% | 0.01% | -33.3% |
| Q2 2017 | $509,000 | +73.1% | 52,100 | +105.1% | 0.02% | +400.0% |
| Q1 2017 | $294,000 | +119.4% | 25,400 | +100.0% | 0.00% | 0.0% |
| Q4 2016 | $134,000 | +8.9% | 12,700 | 0.0% | 0.00% | 0.0% |
| Q3 2016 | $123,000 | +68.5% | 12,700 | 0.0% | 0.00% | +50.0% |
| Q2 2016 | $73,000 | -51.3% | 12,700 | -50.0% | 0.00% | 0.0% |
| Q1 2016 | $150,000 | +94.8% | 25,400 | +100.0% | 0.00% | 0.0% |
| Q4 2015 | $77,000 | +35.1% | 12,700 | 0.0% | 0.00% | +100.0% |
| Q3 2015 | $57,000 | -61.2% | 12,700 | -48.4% | 0.00% | -75.0% |
| Q2 2015 | $147,000 | -32.3% | 24,600 | 0.0% | 0.00% | -20.0% |
| Q1 2015 | $217,000 | +8.5% | 24,600 | -12.5% | 0.01% | +25.0% |
| Q4 2014 | $200,000 | -15.3% | 28,100 | 0.0% | 0.00% | -20.0% |
| Q3 2014 | $236,000 | +47.5% | 28,100 | +96.5% | 0.01% | 0.0% |
| Q2 2014 | $160,000 | – | 14,300 | – | 0.01% | – |
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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% |