AMKOR TECHNOLOGY INC's ticker is AMKR and the CUSIP is 031652100. A total of 136 filers reported holding AMKOR TECHNOLOGY INC in Q4 2013. The put-call ratio across all filers is 5.32 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $105,000 | -68.5% | 17,300 | -76.7% | 0.04% | -45.2% |
| Q3 2015 | $333,000 | -51.5% | 74,250 | -35.4% | 0.07% | -22.3% |
| Q2 2015 | $687,000 | +7.2% | 114,900 | +58.5% | 0.09% | +9.3% |
| Q1 2015 | $641,000 | +20.3% | 72,500 | -3.3% | 0.09% | -21.1% |
| Q4 2014 | $533,000 | -15.5% | 75,000 | 0.0% | 0.11% | -21.0% |
| Q3 2014 | $631,000 | -71.1% | 75,000 | -61.6% | 0.14% | -70.9% |
| Q2 2014 | $2,185,000 | +21.6% | 195,400 | -25.4% | 0.47% | +15.6% |
| Q1 2014 | $1,797,000 | +11.9% | 262,000 | 0.0% | 0.41% | +8.8% |
| Q4 2013 | $1,606,000 | +42.9% | 262,000 | 0.0% | 0.38% | +28.7% |
| Q3 2013 | $1,124,000 | +2.6% | 262,000 | +0.6% | 0.29% | -5.2% |
| Q2 2013 | $1,096,000 | – | 260,400 | – | 0.31% | – |
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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% |