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 | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $201,000 | -9.5% | 4,603 | -12.1% | 0.02% | -25.0% |
| Q3 2021 | $222,000 | +1.4% | 5,237 | +1.3% | 0.03% | -9.7% |
| Q2 2021 | $219,000 | -0.9% | 5,168 | +0.9% | 0.03% | -18.4% |
| Q1 2021 | $221,000 | -3.1% | 5,120 | -1.3% | 0.04% | -19.1% |
| Q4 2020 | $228,000 | +10.1% | 5,188 | -3.2% | 0.05% | -13.0% |
| Q2 2020 | $207,000 | -22.5% | 5,358 | -15.1% | 0.05% | -22.9% |
| Q4 2019 | $267,000 | -2.2% | 6,311 | -3.0% | 0.07% | -10.3% |
| Q3 2019 | $273,000 | +1.1% | 6,508 | +1.0% | 0.08% | -10.3% |
| Q2 2019 | $270,000 | -20.8% | 6,442 | -16.3% | 0.09% | -21.6% |
| Q1 2019 | $341,000 | +93.8% | 7,694 | +97.7% | 0.11% | +48.0% |
| Q4 2018 | $176,000 | -18.1% | 3,891 | -8.3% | 0.08% | -24.2% |
| Q1 2018 | $215,000 | +975.0% | 4,243 | +782.1% | 0.10% | +1000.0% |
| Q4 2017 | $20,000 | – | 481 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Ergoteles LLC | 163,094 | $9,723,664 | 14.25% |
| Kellner Capital, LLC | 171,949 | $10,252 | 12.06% |
| HARVEST MANAGEMENT LLC | 300,900 | $17,939,658 | 9.33% |
| Vazirani Asset Management LLC | 95,000 | $5,663,900 | 8.66% |
| TIG Advisors, LLC | 3,039,369 | $181,207,180 | 8.16% |
| KRYGER CAPITAL Ltd | 987,651 | $58,883,753 | 6.80% |
| ALPINE ASSOCIATES MANAGEMENT INC. | 2,109,200 | $125,750,504 | 6.59% |
| NEXPOINT ASSET MANAGEMENT, L.P. | 782,049 | $46,625,761 | 6.37% |
| GLAZER CAPITAL, LLC | 1,614,638 | $96,265 | 6.27% |
| UBS OCONNOR LLC | 4,043,391 | $241,066,971 | 6.07% |