$NTCT

$39.53 -$0.97 (2.4%) Close

$NTCT Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 72.7M shares outstanding

Who owns NTCT?

By type of holder

Institutions 94.2% Insiders 5.7% Everyone else 0.1%

Concentration Top 10 holders own 58.5%

BlackRock, Inc. 15.7% · Vanguard Portfolio Management LLC 7.7%

Institutional ownership

94.2%

+2.4 pts vs last qtr

Institutional holders

312

+25 vs last qtr

Net shares bought

+1.7M

by institutions in Q2 2026

New / sold out

56 / 31

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Acadian Asset Management LLC +561.8K
Ameriprise Financial Inc +456.4K

Biggest sellers in Q2 2026

SG Americas Securities, LLC −517.0K
Barclays PLC −297.1K

Who is planning to sell?

Notices of proposed sale, last 12 months

$6.33M

19 notices from 8 people

Shares covered

166.1K

0.23% of the company

Arranged in advance

33%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Singhal Anil K Director $3.84M
Downing John Officer 10b5-1 $673K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2017–FY2026

−21.1%

−2.59% a year

Each share's claim on the business

+26.7%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$1.1B vs $559M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years71% 3–5 years12% 1–3 years9% Under 1 year7%

Quarterly turnover

7.6%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting NTCT on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	11.4M	15.73%	+46.8K (+0.4%)	≤2021	0.0%
Shares held by quarter Peak holding12.0M (Q1'25) Change over 8 quarters−408.1K Share of the company15.730% BlackRock, Inc.'s full portfolio →
VP Vanguard Portfolio Management LLC	5.6M	7.69%	+62.0K (+1.1%)	≤2021	0.0%
Shares held by quarter Peak holding5.6M (Q2'26) Change over 8 quarters+5.6M Share of the company7.690% Vanguard Portfolio Management LLC's full portfolio →

BlackRock, Inc.

11.4M

% of company

15.73%

Change vs last qtr

+46.8K (+0.4%)

Held since

≤2021

Vanguard Portfolio Management LLC

5.6M

% of company

7.69%

Change vs last qtr

+62.0K (+1.1%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding NetScout Systems, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting NTCT on Form N-PORT; together they hold 50.0% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$178M	4.1M	5.63%	0.16%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$93.6M	2.1M	2.96%	0.00%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$178M

% of company

5.63%

% of the fund

0.16%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$93.6M

% of company

2.96%

% of the fund

0.00%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding NetScout Systems, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
SA Singhal Anil K Insider	3.3M	4.61%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company4.610% Singhal Anil K's insider activity →
DJ Downing John Insider	131.3K	0.18%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.180% Downing John's insider activity →

Singhal Anil K

Insider

3.3M

% of company

4.61%

Change vs last qtr

—

Held since

—

Downing John

Insider

131.3K

% of company

0.18%

Change vs last qtr

—

Held since

—

13 more holders behind a free account

See every insider and 5%+ holder of NetScout Systems, Inc..

Comments