NATIONAL INSTRS CORP's ticker is NATI and the CUSIP is 636518102. A total of 248 filers reported holding NATIONAL INSTRS CORP in Q1 2017. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $1,658,000 | -37.5% | 32,785 | -50.3% | 0.05% | -49.5% |
| Q2 2017 | $2,652,000 | +1162.9% | 65,942 | +865.8% | 0.10% | +758.3% |
| Q4 2016 | $210,000 | -25.8% | 6,828 | -27.3% | 0.01% | -29.4% |
| Q1 2016 | $283,000 | -17.7% | 9,395 | -21.6% | 0.02% | +21.4% |
| Q4 2015 | $344,000 | – | 11,981 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TIG Advisors, LLC | 4,755,304 | $272,954,450 | 15.27% |
| HARVEST MANAGEMENT LLC | 264,400 | $15,176,560 | 13.09% |
| PSquared Asset Management AG | 1,909,700 | $109,616,780 | 12.87% |
| Vazirani Asset Management LLC | 100,000 | $5,740,000 | 9.68% |
| Kellner Capital, LLC | 118,098 | $6,779 | 7.79% |
| BCK CAPITAL MANAGEMENT LP | 131,442 | $7,544,771 | 5.76% |
| KRYGER CAPITAL Ltd | 892,222 | $51,213,543 | 5.24% |
| WATER ISLAND CAPITAL LLC | 959,494 | $55,075 | 5.15% |
| Kopion Asset Management, LLC | 90,819 | $5,213 | 4.42% |
| CARLSON CAPITAL L P | 855,000 | $49,077,000 | 4.20% |