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 | $89,000 | -69.4% | 2,098 | -69.7% | 0.00% | -66.7% |
| Q3 2019 | $291,000 | +10.2% | 6,928 | +10.0% | 0.01% | -14.3% |
| Q2 2019 | $264,000 | +18.9% | 6,298 | +26.0% | 0.01% | +40.0% |
| Q1 2019 | $222,000 | -5.1% | 4,999 | -2.9% | 0.01% | 0.0% |
| Q4 2018 | $234,000 | -54.8% | 5,148 | -52.0% | 0.01% | -54.5% |
| Q3 2018 | $518,000 | +33.9% | 10,723 | +16.4% | 0.01% | +22.2% |
| Q2 2018 | $387,000 | – | 9,214 | – | 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% |