NetScout Systems, Inc.

Historical 13F Holders

Symbol
NTCT
CUSIP
64115T104
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 64115T104 since 12/18/2024, largest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A 14.8% 10/17/2025
Event 9/30/2025
Vanguard Portfolio Management LLC 13G 7.8% 4/29/2026
Event 3/31/2026
Legal & General Investment Management Ltd 13G/A
5.7% 7/9/2025
Event 12/31/2023
Vanguard Capital Management LLC 13G 5.0% 7/31/2026
Event 6/30/2026
Legal & General Group Plc 13G
5.0% 5/8/2026
Event 3/31/2026
State Street Corp 13G 5.0% 8/7/2026
Event 6/30/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
Vanguard Group Inc 13G/A 0% 3/27/2026
Event 3/13/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 6 4.01 k $161 k
2026 Q2 324 72.2 M $3.07 B
2026 Q1 292 66.8 M $2.12 B
2025 Q4 267 67.0 M $1.81 B
2025 Q3 246 65.8 M $1.70 B
2025 Q2 246 65.6 M $1.63 B
2025 Q1 238 65.0 M $1.36 B
2024 Q4 224 64.2 M $1.39 B
2024 Q3 218 64.5 M $1.40 B
2024 Q2 230 65.4 M $1.20 B
2024 Q1 224 68.1 M $1.49 B
2023 Q4 218 67.4 M $1.48 B
2023 Q3 218 64.6 M $1.81 B
2023 Q2 219 69.0 M $2.13 B
2023 Q1 230 68.0 M $2.77 B
2022 Q4 235 69.7 M $2.26 B
2022 Q3 220 69.1 M $2.17 B
2022 Q2 217 70.2 M $2.38 B
2022 Q1 226 69.2 M $2.22 B
2021 Q4 209 68.6 M $2.27 B
2021 Q3 187 67.4 M $1.82 B
2021 Q2 192 70.4 M $2.01 B
2021 Q1 195 70.2 M $1.98 B
2020 Q4 178 78.3 M $2.15 B
2020 Q3 176 72.5 M $1.58 B
2020 Q2 205 71.9 M $1.84 B
2020 Q1 200 72.7 M $1.72 B
2019 Q4 203 74.9 M $1.80 B
2019 Q3 191 76.7 M $1.77 B
2019 Q2 211 80.0 M $2.03 B
2019 Q1 205 79.1 M $2.22 B
2018 Q4 212 81.2 M $1.92 B
2018 Q3 208 84.6 M $2.13 B
2018 Q2 227 89.6 M $2.65 B
2018 Q1 234 91.9 M $2.42 B
2017 Q4 236 97.1 M $2.96 B
2017 Q3 241 98.6 M $3.19 B
2017 Q2 242 97.6 M $3.36 B
2017 Q1 231 98.7 M $3.75 B
2016 Q4 223 102 M $3.20 B
2016 Q3 228 102 M $2.99 B
2016 Q2 226 103 M $2.30 B
2016 Q1 225 98.1 M $2.25 B
2015 Q4 254 100 M $3.07 B
2015 Q3 253 97.9 M $3.46 B
2015 Q2 215 49.8 M $1.82 B
2015 Q1 170 44.4 M $1.95 B
2014 Q4 186 44.4 M $1.62 B
2014 Q3 193 38.8 M $1.78 B
2014 Q2 188 40.4 M $1.79 B
2014 Q1 159 38.4 M $1.44 B