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Netscout Systems Inc

NTCT
Exchange
Nasdaq
Industry
Services-Computer Integrated Systems Design
SEC CIK
0001078075

In the last 90 days, Netscout Systems Inc insiders filed 0 open-market purchases and 4 sales; 316 institutions reported holding it in 13F filings for Q2 2026, worth $2.98B in total; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in Netscout Systems Inc as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
244
+7 vs. Q2 2025
Shares held
65.4M
+1.16M (+1.8%) vs. Q2 2025
Total value
$1.69B
+$95.5M (+6.0%) vs. Q2 2025
New holders
30
101 more added
Sold out
23
73 more reduced

3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting NTCT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 244 institutions
Q1 2021: 187 institutionsQ2 2021: 183 institutionsQ3 2021: 182 institutionsQ4 2021: 202 institutionsQ1 2022: 218 institutionsQ2 2022: 208 institutionsQ3 2022: 212 institutionsQ4 2022: 227 institutionsQ1 2023: 221 institutionsQ2 2023: 213 institutionsQ3 2023: 214 institutionsQ4 2023: 207 institutionsQ1 2024: 208 institutionsQ2 2024: 218 institutionsQ3 2024: 214 institutionsQ4 2024: 218 institutionsQ1 2025: 233 institutionsQ2 2025: 240 institutionsQ3 2025: 244 institutionsQ4 2025: 263 institutionsQ1 2026: 288 institutionsQ2 2026: 316 institutions
Value heldQ3 2025: $1.69B
Q1 2021: $1.98BQ2 2021: $2.01BQ3 2021: $1.82BQ4 2021: $2.26BQ1 2022: $2.21BQ2 2022: $2.37BQ3 2022: $2.16BQ4 2022: $2.18BQ1 2023: $1.81BQ2 2023: $2.05BQ3 2023: $1.81BQ4 2023: $1.44BQ1 2024: $1.42BQ2 2024: $1.16BQ3 2024: $1.40BQ4 2024: $1.38BQ1 2025: $1.36BQ2 2025: $1.60BQ3 2025: $1.69BQ4 2025: $1.81BQ1 2026: $2.12BQ2 2026: $2.98B
Institutions holding NTCT and their total value by quarter
QuarterHoldersValue
Q2 2026316$2.98B
Q1 2026288$2.12B
Q4 2025263$1.81B
Q3 2025244$1.69B
Q2 2025240$1.60B
Q1 2025233$1.36B
Q4 2024218$1.38B
Q3 2024214$1.40B
Q2 2024218$1.16B
Q1 2024208$1.42B
Q4 2023207$1.44B
Q3 2023214$1.81B
Q2 2023213$2.05B
Q1 2023221$1.81B
Q4 2022227$2.18B
Q3 2022212$2.16B
Q2 2022208$2.37B
Q1 2022218$2.21B
Q4 2021202$2.26B
Q3 2021182$1.82B
Q2 2021183$2.01B
Q1 2021187$1.98B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Netscout Systems Inc; share changes are against Q2 2025.

Institutions holding NTCT in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Amalgamated Bank19,405$501.0K0.00%−831−4.1%Reduced
State Board of Administration of Florida Retirement System19,479$503.1K0.00%00.0%Unchanged
Headlands Technologies LLC19,544$504.8K0.04%−2,280−10.4%Reduced
Teachers Retirement System of the State of Kentucky20,125$520.0K0.00%−70−0.3%Reduced
Wealth Enhancement Advisory Services, LLC20,149$523.3K0.00%+4,179+26.2%Added
Brevan Howard Capital Management LP20,921$540.4K0.01%+3,145+17.7%Added
Yousif Capital Management, LLC21,068$544.2K0.01%−5,491−20.7%Reduced
Arizona State Retirement System21,072$544.3K0.00%+140+0.7%Added
Sterling Capital Management LLC21,974$567.6K0.01%+2,941+15.5%Added
Vident Advisory, LLC22,159$572.4K0.01%+3,216+17.0%Added
Toroso Investments, LLC22,441$579.7K0.00%+12+0.1%Added
State of Wyoming23,037$595.0K0.07%+20,516+813.8%Added
New York State Common Retirement Fund23,176$598.6K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)23,258$600.8K0.00%00.0%Unchanged
Cerity Partners LLC28,292$730.8K0.00%+17,145+153.8%Added
Captrust Financial Advisors28,846$745.1K0.00%+2,137+8.0%Added
State of Tennessee, Treasury Department29,775$769.1K0.00%−10,597−26.2%Reduced
Horizon Investments, LLC30,999$800.7K0.01%+9,394+43.5%Added
Janus Henderson Group PLC31,251$807.5K0.00%00.0%Unchanged
Louisiana State Employees Retirement System31,400$811.1K0.01%−1,900−5.7%Reduced
Susquehanna Portfolio Strategies, LLC32,150$830.4K0.01%+32,150New
Mirae Asset Global ETFs Holdings Ltd.32,379$836.4K0.00%−5,964−15.6%Reduced
STRS Ohio32,700$844.6K0.00%+600+1.9%Added
Y-Intercept (Hong Kong) Ltd33,076$854.4K0.02%+19,473+143.2%Added
Gotham Asset Management, LLC33,299$860.1K0.00%+5,569+20.1%Added
Manufacturers Life Insurance Company, The34,863$900.5K0.00%−2,150−5.8%Reduced
Illinois Municipal Retirement Fund36,964$954.8K0.01%00.0%Unchanged
State of Alaska, Department of Revenue37,593$970.0K0.01%−4,850−11.4%Reduced
Mariner, LLC38,801$1.00M0.00%+18,779+93.8%Added
Intech Investment Management LLC39,400$1.02M0.01%+10,453+36.1%Added
MetLife Investment Management41,312$1.07M0.01%00.0%Unchanged
Integrated Quantitative Investments LLC42,543$1.10M0.31%+43+0.1%Added
Elo Mutual Pension Insurance Co43,199$1.12M0.02%+28,164+187.3%Added
Panagora Asset Management Inc44,559$1.15M0.00%+32,046+256.1%Added
CWM, LLC45,084$1.17M0.00%+20,223+81.3%Added
Caxton Associates LLP45,566$1.18M0.03%+25,947+132.3%Added
Comerica Bank47,004$1.21M0.00%+5,863+14.3%Added
Exchange Traded Concepts, LLC48,097$1.24M0.01%+48,097New
Amundi47,266$1.27M0.00%+1,306+2.8%Added
Winton Group Ltd49,032$1.27M0.05%+32,826+202.6%Added
Thrivent Financial for Lutherans49,260$1.27M0.00%−3,189−6.1%Reduced
Quest Partners LLC50,255$1.30M0.08%+43,125+604.8%Added
Royce & Associates LP53,696$1.39M0.01%+284+0.5%Added
HRT Financial LP56,764$1.47M0.01%+40,938+258.7%Added
Great West Life Assurance Co58,413$1.50M0.00%−912−1.5%Reduced
Voya Investment Management LLC60,871$1.57M0.00%−10,213−14.4%Reduced
Harber Asset Management LLC61,000$1.58M0.56%+61,000New
Creative Planning61,827$1.60M0.00%+13,967+29.2%Added
Franklin Resources Inc62,120$1.60M0.00%+1,045+1.7%Added
Allspring Global Investments Holdings, LLC61,761$1.62M0.00%+39,757+180.7%Added
KLP Kapitalforvaltning AS64,200$1.66M0.01%+6,200+10.7%Added
California State Teachers Retirement System65,834$1.70M0.00%+30.0%Added
Price T Rowe Associates Inc67,961$1.76M0.00%+2,916+4.5%Added
CWA Asset Management Group, LLC70,654$1.82M0.07%+6,304+9.8%Added
Renaissance Technologies LLC71,600$1.85M0.00%−13,100−15.5%Reduced
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management74,373$1.92M0.04%+74,373New
Wells Fargo & Company75,921$1.96M0.00%+8,837+13.2%Added
New York State Teachers Retirement System76,007$1.96M0.00%−1,502−1.9%Reduced
Balyasny Asset Management LLC78,421$2.03M0.00%+35,879+84.3%Added
Rodgers Brothers Inc.79,775$2.06M0.25%−125−0.2%Reduced
Alliancebernstein L.P.85,535$2.21M0.00%−139−0.2%Reduced
HSBC Holdings PLC87,296$2.24M0.00%−26,475−23.3%Reduced
Clark Estates Inc88,912$2.30M0.52%00.0%Unchanged
Nisa Investment Advisors, LLC90,621$2.34M0.01%−16,229−15.2%Reduced
Citigroup Inc92,997$2.40M0.00%−40,726−30.5%Reduced
Susquehanna International Group, LLP93,541$2.42M0.00%−522−0.6%Reduced
Wedge Capital Management L L P98,185$2.54M0.04%+29,322+42.6%Added
Segall Bryant & Hamill, LLC101,711$2.63M0.04%+26,995+36.1%Added
Ieq Capital, LLC101,908$2.63M0.01%+32,601+47.0%Added
Gabelli Funds LLC103,728$2.68M0.02%00.0%Unchanged
Russell Investments Group, Ltd.111,854$2.89M0.00%+3,183+2.9%Added
Citadel Advisors LLC113,749$2.94M0.00%−278,621−71.0%Reduced
Bridgewater Associates, LP114,631$2.96M0.01%+114,631New
Verition Fund Management LLC115,946$2.99M0.02%+66,850+136.2%Added
Jane Street Group, LLC121,498$3.14M0.00%+80,876+199.1%Added
Martingale Asset Management L P123,681$3.19M0.08%−16,309−11.7%Reduced
Leuthold Group, LLC123,840$3.20M0.35%+123,840New
Teacher Retirement System of Texas125,825$3.25M0.01%+29,242+30.3%Added
Algert Global LLC133,440$3.45M0.06%−81,010−37.8%Reduced
Davy Global Fund Management Ltd133,890$3.46M0.23%+2,451+1.9%Added
UBS Asset Management Americas Inc136,307$3.52M0.00%−143,383−51.3%Reduced
Swiss National Bank138,328$3.57M0.00%+1,300+0.9%Added
BNP Paribas Arbitrage, SA140,644$3.63M0.00%−18,265−11.5%Reduced
AXA Investment Managers S.A.144,582$3.73M0.01%+144,582New
Federated Hermes, Inc.162,872$4.21M0.01%+1,504+0.9%Added
UBS Group AG167,870$4.34M0.00%+39,966+31.2%Added
American Century Companies Inc175,372$4.53M0.00%+38,156+27.8%Added
Bank of America Corp186,472$4.82M0.00%−141,947−43.2%Reduced
Royal Bank of Canada187,528$4.84M0.00%−452,416−70.7%Reduced
Mackenzie Financial Corp189,231$4.89M0.01%+36,190+23.6%Added
Empowered Funds, LLC189,670$4.90M0.05%+189,670New
Universal- Beteiligungs- und Servicegesellschaft mbH193,524$5.00M0.01%+128,602+198.1%Added
Voloridge Investment Management, LLC195,896$5.06M0.02%+45,071+29.9%Added
Skandinaviska Enskilda Banken AB (publ)197,800$5.11M0.02%+197,800New
Two Sigma Advisers, LP201,500$5.20M0.01%−86,200−30.0%Reduced
SEI Investments Co208,462$5.38M0.01%−25,691−11.0%Reduced
First Eagle Investment Management, LLC209,202$5.40M0.01%+3,000+1.5%Added
Rhumbline Advisers210,420$5.44M0.00%−1,282−0.6%Reduced
Two Sigma Investments, LP227,937$5.89M0.01%−36,505−13.8%Reduced
Goldman Sachs Group Inc259,986$6.72M0.00%−888,414−77.4%Reduced