WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC - NATIONAL INSTRS CORP ownership

NATIONAL INSTRS CORP's ticker is NATI and the CUSIP is 636518102. A total of 296 filers reported holding NATIONAL INSTRS CORP in Q4 2020. The put-call ratio across all filers is 0.24 and the average weighting 0.1%.

Quarter-by-quarter ownership
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC ownership history of NATIONAL INSTRS CORP
ValueSharesWeighting
Q3 2023$78,334,181
-22.6%
1,313,891
-25.5%
0.26%
-20.0%
Q2 2023$101,208,369
-50.5%
1,763,212
-54.8%
0.32%
-54.4%
Q1 2023$204,430,865
+38.5%
3,900,608
-2.5%
0.71%
+26.0%
Q4 2022$147,618,967
-7.9%
4,000,514
-5.8%
0.56%
-10.9%
Q3 2022$160,298,000
+7.8%
4,247,435
-10.8%
0.63%
+15.1%
Q2 2022$148,649,000
-24.9%
4,759,819
-2.4%
0.55%
-6.9%
Q1 2022$198,040,000
+3.3%
4,879,023
+11.1%
0.59%
+14.3%
Q4 2021$191,771,000
+14.4%
4,391,377
+2.7%
0.52%
+9.5%
Q3 2021$167,683,000
-5.5%
4,274,364
+1.9%
0.47%
-15.1%
Q2 2021$177,433,000
-3.8%
4,196,616
-1.7%
0.56%
-6.7%
Q1 2021$184,413,000
+16.3%
4,270,308
+18.3%
0.60%
+13.1%
Q4 2020$158,582,000
+21.6%
3,609,062
-1.2%
0.53%
+3.9%
Q3 2020$130,460,000
-8.5%
3,654,336
-0.8%
0.51%
-12.4%
Q2 2020$142,545,000
+18.1%
3,682,372
+0.9%
0.58%
-1.2%
Q1 2020$120,675,000
+19.3%
3,647,978
+52.7%
0.59%
+45.7%
Q4 2019$101,176,000
+3.9%
2,389,605
+3.0%
0.40%
-3.1%
Q3 2019$97,383,000
+1.8%
2,319,202
+1.8%
0.42%
+3.7%
Q2 2019$95,671,000
+35.9%
2,278,426
+43.6%
0.40%
+35.5%
Q1 2019$70,404,000
-36.2%
1,587,109
-34.8%
0.30%
-46.0%
Q4 2018$110,417,000
-17.4%
2,433,165
-12.0%
0.55%
+18.4%
Q3 2018$133,674,000
+37.7%
2,765,862
+19.6%
0.46%
+28.3%
Q2 2018$97,069,000
-18.1%
2,312,265
-1.4%
0.36%
-20.3%
Q1 2018$118,573,000
+25.3%
2,344,733
+3.2%
0.45%
+23.1%
Q4 2017$94,599,000
-21.1%
2,272,374
-20.0%
0.37%
-14.2%
Q3 2017$119,842,000
+4.1%
2,841,867
-0.7%
0.43%
+2.4%
Q2 2017$115,152,0002,863,0430.42%
Other shareholders
NATIONAL INSTRS CORP shareholders Q4 2020
NameSharesValueWeighting ↓
Ergoteles LLC 163,094$9,723,66414.25%
Kellner Capital, LLC 171,949$10,25212.06%
HARVEST MANAGEMENT LLC 300,900$17,939,6589.33%
Vazirani Asset Management LLC 95,000$5,663,9008.66%
TIG Advisors, LLC 3,039,369$181,207,1808.16%
KRYGER CAPITAL Ltd 987,651$58,883,7536.80%
ALPINE ASSOCIATES MANAGEMENT INC. 2,109,200$125,750,5046.59%
NEXPOINT ASSET MANAGEMENT, L.P. 782,049$46,625,7616.37%
GLAZER CAPITAL, LLC 1,614,638$96,2656.27%
UBS OCONNOR LLC 4,043,391$241,066,9716.07%
View complete list of NATIONAL INSTRS CORP shareholders