NATIONAL INSTRS CORP's ticker is NATI and the CUSIP is 636518102. A total of 335 filers reported holding NATIONAL INSTRS CORP in Q1 2019. The put-call ratio across all filers is 3.07 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $714,000 | +30.1% | 16,106 | +33.1% | 0.00% | 0.0% |
| Q4 2018 | $549,000 | +23.1% | 12,098 | +31.2% | 0.00% | 0.0% |
| Q3 2018 | $446,000 | +0.5% | 9,221 | -12.7% | 0.00% | 0.0% |
| Q2 2018 | $444,000 | +12.7% | 10,565 | +35.4% | 0.00% | – |
| Q1 2018 | $394,000 | +5.1% | 7,801 | -13.4% | 0.00% | – |
| Q4 2017 | $375,000 | -95.6% | 9,011 | -95.5% | 0.00% | -100.0% |
| Q3 2017 | $8,536,000 | +2410.6% | 202,433 | +2295.4% | 0.01% | – |
| Q2 2017 | $340,000 | +10.7% | 8,451 | -10.3% | 0.00% | – |
| Q1 2017 | $307,000 | +18.1% | 9,421 | +11.9% | 0.00% | – |
| Q4 2016 | $260,000 | +28.7% | 8,422 | +18.4% | 0.00% | – |
| Q3 2016 | $202,000 | – | 7,113 | – | 0.00% | – |
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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% |