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 2023 | $532,118 | -100.0% | 10,153 | -64.2% | 0.00% | -82.4% |
| Q2 2020 | $1,096,809,000 | +101644.8% | 28,334 | -13.1% | 0.02% | 0.0% |
| Q1 2020 | $1,078,000 | +21.3% | 32,589 | +55.2% | 0.02% | +142.9% |
| Q4 2019 | $889,000 | +323.3% | 21,000 | +320.0% | 0.01% | +250.0% |
| Q2 2019 | $210,000 | -58.3% | 5,000 | -56.0% | 0.00% | -60.0% |
| Q1 2019 | $504,000 | -64.6% | 11,353 | -63.8% | 0.01% | -61.5% |
| Q4 2018 | $1,425,000 | +501.3% | 31,400 | +540.8% | 0.01% | +1200.0% |
| Q3 2018 | $237,000 | -74.7% | 4,900 | -78.2% | 0.00% | -80.0% |
| Q4 2017 | $937,000 | +83.7% | 22,500 | +21.0% | 0.01% | 0.0% |
| Q2 2016 | $510,000 | +137.2% | 18,600 | +169.6% | 0.01% | +66.7% |
| Q4 2014 | $215,000 | – | 6,900 | – | 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% |