NetScout Systems, Inc. (NTCT)
Nasdaq: NTCT · Services-Computer Integrated Systems Design · Westford, MA · filing with the SEC since 1999
Grade6.0
◀ Past 5.2● Present 6.9▶ Future 6.2
Who owns NetScout Systems, Inc.
As filed with the SECHolders of 5% or more
6
Blackrock, Inc. holds 14.8% of Common Stock, as its SCHEDULE 13G/A filed Oct 17, 2025 says.
Directors and officers
14
report now, of 19 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 6 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Oct 17, 2025 · Common Stock · 15.9% in Apr 30, 2025
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Legal & General Group Plc
SCHEDULE 13G/A · filed Jul 9, 2025 · Common Stock
Vanguard Capital Management
SCHEDULE 13G · filed Jul 31, 2026 · Common Stock
State Street Corporation
SCHEDULE 13G · filed Aug 7, 2026 · COMMON STOCK
Legal & General Group Plc
SCHEDULE 13G · filed May 8, 2026 · Common Stock · 6.3% in Aug 11, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What NTCT reports owning in othersstakes of 5% or more, and other ties
53 subsidiaries in 25 countries, from the list filed with the 10-K filed May 14, 2026.
Insider tradesForm 4
18sales
0purchases
17sales on a scheduled plan
6people selling
$2.6Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 27, 2025 to Oct 27, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 27, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window6 of 19 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Downing John | EVP, Worldwide Sales Ops | 6 | $1.0M | 6 | 0 | $0 |
| Szabados Michael | Chief Operating Officer | 4 | $500,000 | 3 | 0 | $0 |
| Perretta Christopher | director | 2 | $500,000 | 2 | 0 | $0 |
| Munshi Sanjay | Chief Operating Officer | 4 | $300,000 | 4 | 0 | $0 |
| Grasso Alfred | director | 1 | $200,000 | 1 | 0 | $0 |
| Hadzima Joseph G Jr | director | 1 | $100,000 | 1 | 0 | $0 |