NATIONAL INSTRS CORP's ticker is NATI and the CUSIP is 636518102. A total of 238 filers reported holding NATIONAL INSTRS CORP in Q2 2017. The put-call ratio across all filers is 0.09 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $209,000 | -93.3% | 4,130 | -94.5% | 0.02% | -91.9% |
| Q4 2017 | $3,120,000 | +416.6% | 74,939 | +398.9% | 0.27% | +340.3% |
| Q2 2017 | $604,000 | -64.4% | 15,021 | -74.9% | 0.06% | -21.5% |
| Q3 2016 | $1,697,000 | +76.6% | 59,763 | +70.4% | 0.08% | +88.1% |
| Q2 2016 | $961,000 | +275.4% | 35,075 | +312.8% | 0.04% | +180.0% |
| Q1 2016 | $256,000 | -52.0% | 8,497 | -54.3% | 0.02% | -92.4% |
| Q1 2014 | $533,000 | – | 18,576 | – | 0.20% | – |
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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% |