Robeco Institutional Asset Management B.V.

Position in NTCT — Netscout Systems Inc

CIK 1418773 ROTTERDAM, P7

Back to NTCT Full portfolio

Position in NTCT

as of Jun 30, 2026 · filed Jul 21, 2026 Compact

Position Value

$89,544,984

+$25,598,509 QoQ

Shares Held

2,056,142

+2.2% QoQ

Ownership

2.83%

of shares outstanding

% of Portfolio

0.11%

of 13F equity value

Holder Rank

of 312 holders

Holding Since

Jun 2020

21 quarters on record

Voting authority Sole 59% Shared 0% None 41%

Common Shares in NTCT Over Time

Shares Held

Position Value (USD)

Position in Software - Infrastructure

Technology · as of Jun 30, 2026

Robeco Institutional Asset Management B.V. holds $5,373,384,484 across 43 Software - Infrastructure names. NTCT ranks #11 (1.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MSFT	Microsoft Corp	7,446,791	$2,777,801,978
2	PANW	Palo Alto Networks Inc	1,565,744	$533,950,018
3	FTNT	Fortinet, Inc.	1,667,939	$256,228,789
4	FFIV	F5, Inc.	591,088	$245,868,964
5	SNPS	Synopsys Inc	470,238	$209,759,064
6	VRSN	Verisign Inc/Ca	763,915	$192,170,457
7	NTAP	NetApp, Inc.	984,362	$152,339,863
8	XYZ	Block, Inc.	1,560,555	$118,602,180

All Filings in NTCT

Export CSV

21 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$89,544,984	2,056,142	+2.2%	Shares	Defined	2026-07-21
2026-03-31	$63,946,475	2,011,528	+29.0%	Shares	Defined	2026-04-21
2025-12-31	$42,191,735	1,559,192	+93.6%	Shares	Defined	2026-01-23
2025-09-30	$20,802,190	805,350	+51.7%	Shares	Defined	2025-10-22
2025-06-30	$13,170,810	530,867	+6.3%	Shares	Defined	2025-07-18
2025-03-31	$10,496,427	499,592	+54.3%	Shares	Defined	2025-04-23
2024-12-31	$7,011,298	323,698	+6.0%	Shares	Defined	2025-01-23
2024-09-30	$6,643,624	305,454	+71.4%	Shares	Defined	2024-10-29
2024-06-30	$3,260,265	178,254	+184.2%	Shares	Defined	2024-07-23
2024-03-31	$1,369,651	62,713	-84.4%	Shares	Defined	2024-04-24
2023-12-31	$8,813,627	401,532	-16.4%	Shares	Defined	2024-02-14
2023-09-30	$13,464,394	480,528	+13.7%	Shares	Defined	2023-10-24
2023-06-30	$13,081,172	422,655	-4.0%	Shares	Defined	2023-07-24
2023-03-31	$12,615,540	440,333	+29.3%	Shares	Defined	2023-05-04
2022-12-31	$11,074,954	340,663	+12.7%	Shares	Defined	2023-02-07
2022-09-30	$9,467,346	302,278	+4708.0%	Shares	Defined	2022-12-01
2021-06-30	$179,430	6,287	0.0%	Shares	Defined	2022-12-01
2021-03-31	$177,041	6,287	-82.5%	Shares	Defined	2022-12-01
2020-12-31	$983,144	35,855	0.0%	Shares	Defined	2022-12-01
2020-09-30	$782,714	35,855	-20.5%	Shares	Defined	2021-01-19
2020-06-30	$1,153,446	45,127	—	Shares	Defined	2021-01-19
No filing history on record for this holder in this stock.