NATIONAL INSTRS CORP's ticker is NATI and the CUSIP is 636518102. A total of 309 filers reported holding NATIONAL INSTRS CORP in Q1 2021. The put-call ratio across all filers is 0.29 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $1,136,000 | -3.0% | 28,961 | +4.6% | 0.01% | 0.0% |
| Q2 2021 | $1,171,000 | +5.9% | 27,698 | +8.2% | 0.01% | 0.0% |
| Q1 2021 | $1,106,000 | +16.7% | 25,603 | +18.7% | 0.01% | 0.0% |
| Q4 2020 | $948,000 | +49.5% | 21,574 | +21.5% | 0.01% | +25.0% |
| Q3 2020 | $634,000 | +10.5% | 17,751 | +19.8% | 0.00% | 0.0% |
| Q2 2020 | $574,000 | +97.3% | 14,818 | +68.4% | 0.00% | +100.0% |
| Q1 2020 | $291,000 | -24.6% | 8,798 | -3.5% | 0.00% | -33.3% |
| Q4 2019 | $386,000 | +22.2% | 9,115 | +21.2% | 0.00% | +50.0% |
| Q3 2019 | $316,000 | -28.3% | 7,518 | -28.4% | 0.00% | -33.3% |
| Q2 2019 | $441,000 | +4.0% | 10,501 | +9.8% | 0.00% | 0.0% |
| Q1 2019 | $424,000 | +16.2% | 9,563 | +18.8% | 0.00% | -25.0% |
| Q4 2018 | $365,000 | -4.5% | 8,047 | +1.8% | 0.00% | +33.3% |
| Q3 2018 | $382,000 | – | 7,907 | – | 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% |