Netscout Systems NTCT Institutional Ownership

NASDAQ NTCT

$38.70 +0.00 (+0.00%)

At close: Oct 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

312 Institutions

Increased 165 52.9%

Unchanged 51 16.3%

Reduced 96 30.8%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

94.17%

▲+1.30 pp QoQ

Shares Held by Institutions

68.46Mn

of 72.70Mn outstanding

▲+3.16% QoQ

Shares Outstanding

72.70Mn

4.24Mn held outside 13F filers

Institutional Investors

312

filed 13F for Jun 2026

▲+28 vs prior quarter

Net Shares Added (QoQ)

+2.09Mn

accumulated since last quarter

Value of Holdings

$2.65Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Netscout Systems Inc (NASDAQ:NTCT) counted 312 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

Their combined stake equaled 94.17% of outstanding shares in Q2 2026, up from 92.87% in Q1 2026.
Total holdings of Netscout Systems shares rose 3.16% from Q1 2026, and the number of holders rose 30.54% from Q2 2025.
Of these 312 holders, 165 added to their positions, 96 reduced their stakes and 51 left their positions unchanged.
Institutional investors held 68.46Mn shares of Netscout Systems in total at the end of Q2 2026, up 2.09Mn from the prior quarter and up 5.67Mn from a year earlier.
BlackRock, Inc. was the top holder of Netscout Systems as of June 30, 2026, with 11.44Mn shares, or 15.73% of shares outstanding.
Among existing holders, the largest additions to Netscout Systems in Q2 2026 came from Acadian Asset Management LLC (+561.85K shares), Ameriprise Financial Inc (+456.44K shares), LSV Asset Management (+416.2K shares), Millennium Management LLC (+363.61K shares) and Geode Capital Management, LLC (+318.93K shares).
Holders that trimmed the most shares of Netscout Systems in Q2 2026 while keeping a position were SG Americas Securities, LLC (-516.98K shares), Barclays PLC (-297.05K shares), Deutsche Bank AG (-228.67K shares), UBS Group AG (-195.86K shares) and AQR Capital Management LLC (-140.34K shares).
Per Business Quant, the top 10 investors in NTCT for the quarter ended June 30, 2026 were BlackRock, Inc. (11.44Mn shares), Vanguard Portfolio Management LLC (5.59Mn shares), Dimensional Fund Advisors LP (4.33Mn shares), Legal & General Group PLC (3.81Mn shares), State Street Corp (3.58Mn shares), LSV Asset Management (3.16Mn shares), Vanguard Capital Management LLC (3.06Mn shares), Geode Capital Management, LLC (2.15Mn shares), Robeco Institutional Asset Management B.V. (2.06Mn shares) and First Trust Advisors LP (1.96Mn shares).

Form 13F Holdings

312 Institutional Holders

Report period 30 Jun, 2026

Total shares held 68.46Mn

Of outstanding 94.17%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	11,435,751	15.73%	▲46,764	+0.41%	$498.03Mn
2	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	5,590,843	7.69%	▲61,999	+1.12%	$243.48Mn
3	DIMENSIONAL FUND ADVISORS LP	0000354204	4,327,997	5.95%	▲69,023	+1.62%	$188.48Mn
4	Legal & General Group Plc	0000764068	3,811,022	5.24%	▲175,911	+4.84%	$165.97Mn
5	State Street Corp	0000093751	3,579,289	4.92%	▲301,856	+9.21%	$155.88Mn
6	LSV ASSET MANAGEMENT	0001050470	3,161,650	4.35%	▲416,198	+15.16%	$137.69K
7	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	3,055,146	4.20%	▲9,696	+0.32%	$133.05Mn
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	2,153,392	2.96%	▲318,929	+17.39%	$93.79Mn
9	Robeco Institutional Asset Management B.V.	0001418773	2,056,142	2.83%	▲44,614	+2.22%	$89.54Mn
10	FIRST TRUST ADVISORS LP	0001125816	1,962,833	2.70%	▲218,298	+12.51%	$85.48Mn
11	WELLINGTON MANAGEMENT GROUP LLP	0000902219	1,258,576	1.73%	▲181,380	+16.84%	$54.81Mn
12	Allianz Asset Management GmbH	0001535323	1,253,154	1.72%	▲68,077	+5.74%	$54.57Mn
13	AQR CAPITAL MANAGEMENT LLC	0001167557	1,059,810	1.46%	▼140,336	-11.69%	$45.85Mn
14	Ameriprise Financial Inc	0000820027	1,005,214	1.38%	▲456,437	+83.17%	$43.78Mn
15	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	1,003,431	1.38%	▼54,931	-5.19%	$43.70Mn
16	Northern Trust Corp	0000073124	783,277	1.08%	▲45,508	+6.17%	$34.11Mn
17	ACADIAN ASSET MANAGEMENT LLC	0000916542	768,068	1.06%	▲561,845	+272.45%	$33.44K
18	Morgan Stanley	0000895421	676,388	0.93%	▼38,057	-5.33%	$29.46Mn
19	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0001107261	613,489	0.84%	▼20,550	-3.24%	$26.72Mn
20	LAZARD ASSET MANAGEMENT LLC	0001207017	591,598	0.81%	▲6,559	+1.12%	$25.76Mn

Showing 1 to 20 of 312 holders