INTERNATIONAL RECTIFIER CORP's ticker is IRF and the CUSIP is 460254105. A total of 1 filers reported holding INTERNATIONAL RECTIFIER CORP in Q4 2010. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2014 | $12,000 | +50.0% | 300 | 0.0% | 0.00% | – |
| Q2 2014 | $8,000 | 0.0% | 300 | 0.0% | 0.00% | – |
| Q1 2014 | $8,000 | 0.0% | 300 | 0.0% | 0.00% | – |
| Q4 2013 | $8,000 | +14.3% | 300 | 0.0% | 0.00% | – |
| Q3 2013 | $7,000 | +16.7% | 300 | 0.0% | 0.00% | – |
| Q2 2013 | $6,000 | 0.0% | 300 | 0.0% | 0.00% | – |
| Q1 2013 | $6,000 | +20.0% | 300 | 0.0% | 0.00% | – |
| Q4 2012 | $5,000 | 0.0% | 300 | 0.0% | 0.00% | – |
| Q3 2012 | $5,000 | -16.7% | 300 | 0.0% | 0.00% | – |
| Q2 2012 | $6,000 | -64.7% | 300 | -60.2% | 0.00% | – |
| Q1 2012 | $17,000 | +88.9% | 753 | +66.2% | 0.00% | – |
| Q4 2011 | $9,000 | +12.5% | 453 | 0.0% | 0.00% | – |
| Q3 2011 | $8,000 | -38.5% | 453 | 0.0% | 0.00% | – |
| Q2 2011 | $13,000 | -93.3% | 453 | -92.3% | 0.00% | -100.0% |
| Q1 2011 | $195,000 | +11.4% | 5,900 | 0.0% | 0.01% | 0.0% |
| Q4 2010 | $175,000 | – | 5,900 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| OMT Capital Management LLC | 238,140 | $9,345,000 | 5.58% |
| LONGFELLOW INVESTMENT MANAGEMENT CO LLC | 400,000 | $15,696,000 | 3.85% |
| OXFORD ASSET MANAGEMENT LLP | 3,569,220 | $140,235,000 | 3.20% |
| BTG Pactual Global Asset Management Ltd | 637,068 | $24,999,000 | 2.97% |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 365,184 | $14,330,000 | 2.29% |
| GARDNER LEWIS ASSET MANAGEMENT L P | 216,500 | $8,495,000 | 1.70% |
| GLAZER CAPITAL, LLC | 193,512 | $7,593,000 | 1.66% |
| PACIFIC ALTERNATIVE ASSET MANAGEMENT COMPANY, LLC | 368,300 | $14,452,000 | 1.63% |
| BERKLEY W R CORP | 700,410 | $27,483,000 | 1.63% |
| WATER ISLAND CAPITAL LLC | 1,210,797 | $47,511,674,000 | 1.62% |