NATIONAL INSTRS CORP's ticker is NATI and the CUSIP is 636518102. A total of 318 filers reported holding NATIONAL INSTRS CORP in Q4 2019. The put-call ratio across all filers is 2.83 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $259,000 | -20.1% | 6,109 | -20.9% | 0.01% | -27.3% |
| Q3 2019 | $324,000 | -2.7% | 7,724 | -2.6% | 0.01% | 0.0% |
| Q2 2019 | $333,000 | -6.7% | 7,934 | -1.4% | 0.01% | 0.0% |
| Q1 2019 | $357,000 | -2.2% | 8,048 | 0.0% | 0.01% | -8.3% |
| Q4 2018 | $365,000 | -4.7% | 8,048 | +1.6% | 0.01% | +9.1% |
| Q3 2018 | $383,000 | – | 7,922 | – | 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% |