Security Snapshot

NETSCOUT SYSTEMS INC - COMMON STOCK (NTCT) Institutional Ownership

CUSIP: 64115T104

13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

312

Shares (Excl. Options)

68,521,612

Price

$43.55

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+1,828,643
Value change
+$88,545,005
Number of holders
312
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
71,585,780
SEC-reported price per share
$38.93
Insider filing price
$38.93
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • NTCT - NETSCOUT SYSTEMS INC - COMMON STOCK is tracked under CUSIP 64115T104.
  • 312 institutions reported positions in Q2 2026.
  • 6 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 288 to 312 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $2,122,032,171 to $2,981,280,212.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 312 institutions filings for Q2 2026.

Open SEC evidence

Security key

64115T104

Latest holder period

Q2 2026

13F holders

312

13D/G owners

6

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
6
Security
NTCT
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 15% -6.9% $273,895,689 -$20,938,237 10,603,782 -7.1% BlackRock, Inc. 30 Sep 2025
VANGUARD PORTFOLIO MANAGEMENT LLC 7.8% $178,421,819 5,612,461 Vanguard Portfolio Management 31 Mar 2026
Legal & General Investment Management Ltd 5.7% $100,178,799 4,037,807 Legal & General Group Plc 31 Dec 2023
Legal & General Group Plc 5% -22% $115,560,179 -$27,004,270 3,635,111 -19% Legal & General Group Plc 31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC 5% $151,912,635 3,585,382 Vanguard Capital Management 30 Jun 2026
STATE STREET CORP 5% $151,654,475 3,579,289 STATE STREET CORPORATION 30 Jun 2026

As of 30 Jun 2026, 312 institutional investors reported holding 68,521,612 shares of NETSCOUT SYSTEMS INC - COMMON STOCK (NTCT). This represents 96% of the company’s total 71,585,780 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
74%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 16% 11,435,751 +0.41% 0.01% $498,026,960
VANGUARD PORTFOLIO MANAGEMENT LLC 7.8% 5,590,843 +1.1% 0.01% $243,481,213
DIMENSIONAL FUND ADVISORS LP 6% 4,327,997 +1.6% 0.03% $188,478,386
Legal & General Group Plc 5.3% 3,811,022 +4.8% 0.03% $165,970,006
STATE STREET CORP 5% 3,579,289 +9.2% 0% $155,878,036
LSV ASSET MANAGEMENT 4.4% 3,161,650 +15% 0.25% $137,690,000
VANGUARD CAPITAL MANAGEMENT LLC 4.3% 3,055,146 +0.32% 0% $133,051,608
GEODE CAPITAL MANAGEMENT, LLC 3% 2,153,392 +17% 0.01% $93,792,512
Robeco Institutional Asset Management B.V. 2.9% 2,056,142 +2.2% 0.11% $89,544,985
FIRST TRUST ADVISORS LP 2.7% 1,962,833 +13% 0.05% $85,481,377
WELLINGTON MANAGEMENT GROUP LLP 1.8% 1,258,576 +17% 0.01% $54,810,986
Allianz Asset Management GmbH 1.8% 1,253,154 +5.7% 0.06% $54,574,857
AQR CAPITAL MANAGEMENT LLC 1.5% 1,059,810 -12% 0.02% $45,847,397
AMERIPRISE FINANCIAL INC 1.4% 1,005,214 +83% 0.01% $43,777,074
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.4% 1,003,431 -5.2% 0.01% $43,699,420
NORTHERN TRUST CORP 1.1% 783,277 +6.2% 0% $34,111,713
ACADIAN ASSET MANAGEMENT LLC 1.1% 768,068 +272% 0.04% $33,438,000
MORGAN STANLEY 0.94% 676,388 -5.3% 0% $29,456,721
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.86% 613,489 -3.2% 0.47% $26,717,446
LAZARD ASSET MANAGEMENT LLC 0.83% 591,598 +1.1% 0.04% $25,764,093
FMR LLC 0.83% 590,593 +83% 0% $25,720,310
Nuveen, LLC 0.82% 584,926 +4.2% 0.01% $25,473,528
Qube Research & Technologies Ltd 0.75% 534,625 +81% 0.03% $23,282,919
CSM Advisors, LLC 0.67% 482,271 +4.8% 0.45% $21,002,000
Impax Asset Management Group plc 0.66% 470,000 -10% 0.13% $20,468,500

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 68,521,612 $2,981,280,212 +$88,545,005 $43.55 312
2026 Q1 66,789,295 $2,122,032,171 -$12,075,568 $31.79 288
2025 Q4 66,896,134 $1,810,388,035 +$31,065,354 $27.06 263
2025 Q3 65,443,724 $1,690,330,300 +$25,838,757 $25.83 243
2025 Q2 64,409,040 $1,597,975,180 -$5,931,623 $24.81 241
2025 Q1 64,851,748 $1,359,974,630 +$16,440,337 $21.01 232
2024 Q4 63,930,731 $1,384,860,132 -$8,216,738 $21.66 217
2024 Q3 64,310,095 $1,398,555,954 +$27,534,885 $21.75 213
2024 Q2 63,367,517 $1,159,535,404 -$33,521,388 $18.29 219
2024 Q1 65,012,237 $1,419,616,233 -$8,102,539 $21.84 204
2023 Q4 65,429,617 $1,436,169,596 +$11,400,719 $21.95 206
2023 Q3 64,638,067 $1,811,069,090 -$44,475,464 $28.02 212
2023 Q2 66,295,917 $2,051,574,982 +$20,199,434 $30.95 212
2023 Q1 63,226,608 $1,811,371,364 -$58,140,245 $28.65 217
2022 Q4 67,193,475 $2,184,375,185 -$57,480,610 $32.51 224
2022 Q3 68,992,610 $2,160,916,770 -$42,763,523 $31.32 206
2022 Q2 70,061,217 $2,371,681,052 +$47,556,579 $33.85 197
2022 Q1 68,946,398 $2,211,948,714 +$13,952,500 $32.08 207
2021 Q4 68,379,204 $2,261,284,923 +$49,043,426 $33.08 196
2021 Q3 67,407,900 $1,816,753,482 -$40,595,674 $26.95 181
2021 Q2 70,265,689 $2,005,473,033 +$2,936,166 $28.54 181
2021 Q1 70,180,277 $1,975,965,751 -$72,593,964 $28.16 182
2020 Q4 72,762,347 $1,995,508,733 +$9,215,148 $27.42 165
2020 Q3 72,500,586 $1,583,161,685 +$14,675,644 $21.83 167
2020 Q2 71,623,370 $1,833,586,365 -$13,143,762 $25.56 190
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