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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $53,968,024 | +498.5% | 905,200 | +476.2% | 0.48% | +600.0% |
| Q2 2023 | $9,017,540 | +28.6% | 157,100 | +17.4% | 0.07% | 0.0% |
| Q1 2023 | $7,012,458 | +575.6% | 133,800 | +441.5% | 0.07% | +161.5% |
| Q3 2019 | $1,038,000 | +44.0% | 24,709 | +43.8% | 0.03% | +100.0% |
| Q2 2019 | $721,000 | -5.6% | 17,180 | -0.3% | 0.01% | -23.5% |
| Q1 2019 | $764,000 | -2.4% | 17,225 | -0.2% | 0.02% | 0.0% |
| Q4 2018 | $783,000 | -5.7% | 17,255 | +0.4% | 0.02% | +21.4% |
| Q3 2018 | $830,000 | +19.9% | 17,179 | +4.2% | 0.01% | +7.7% |
| Q2 2018 | $692,000 | – | 16,480 | – | 0.01% | – |
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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% |