NATIONAL INSTRS CORP's ticker is NATI and the CUSIP is 636518102. A total of 324 filers reported holding NATIONAL INSTRS CORP in Q4 2021. The put-call ratio across all filers is 0.48 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $13,000 | -27.8% | 418 | -7.7% | 0.00% | – |
| Q1 2022 | $18,000 | +800.0% | 453 | +754.7% | 0.00% | – |
| Q4 2021 | $2,000 | -66.7% | 53 | -62.1% | 0.00% | – |
| Q2 2021 | $6,000 | 0.0% | 140 | 0.0% | 0.00% | – |
| Q1 2021 | $6,000 | 0.0% | 140 | 0.0% | 0.00% | – |
| Q4 2020 | $6,000 | +20.0% | 140 | 0.0% | 0.00% | – |
| Q3 2020 | $5,000 | +400.0% | 140 | +566.7% | 0.00% | – |
| Q2 2020 | $1,000 | -85.7% | 21 | -90.5% | 0.00% | – |
| Q1 2020 | $7,000 | +133.3% | 221 | +268.3% | 0.00% | – |
| Q4 2019 | $3,000 | 0.0% | 60 | 0.0% | 0.00% | – |
| Q3 2019 | $3,000 | -40.0% | 60 | -45.5% | 0.00% | – |
| Q1 2019 | $5,000 | 0.0% | 110 | 0.0% | 0.00% | – |
| Q4 2018 | $5,000 | 0.0% | 110 | 0.0% | 0.00% | – |
| Q3 2018 | $5,000 | 0.0% | 110 | 0.0% | 0.00% | – |
| Q2 2018 | $5,000 | -28.6% | 110 | -14.1% | 0.00% | – |
| Q1 2018 | $7,000 | +40.0% | 128 | +16.4% | 0.00% | – |
| Q4 2017 | $5,000 | 0.0% | 110 | 0.0% | 0.00% | – |
| Q3 2017 | $5,000 | +25.0% | 110 | 0.0% | 0.00% | – |
| Q2 2017 | $4,000 | -50.0% | 110 | -58.2% | 0.00% | – |
| Q4 2016 | $8,000 | +100.0% | 263 | +83.9% | 0.00% | – |
| Q2 2016 | $4,000 | 0.0% | 143 | 0.0% | 0.00% | – |
| Q1 2016 | $4,000 | – | 143 | +1330.0% | 0.00% | – |
| Q3 2014 | $0 | -100.0% | 10 | -93.3% | 0.00% | – |
| Q4 2013 | $5,000 | – | 150 | – | 0.00% | – |
Download | ||||||
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% |