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NTCT · Netscout Systems Inc

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$38.35 -0.59 (-1.52%) At close · Aug 19
Market Cap
$2.85B
Shares
72.71M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 313
Total Value: $2,984,612,286
Total Shares: 68,533,062

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 313 13F filers · Δ vs Mar 31, 2026
Top Holder
16.7%
Sep 2023 → Jun 2026 · range 16.7% – 18.7%
−0.3 pts
Top 5
41.9%
Sep 2023 → Jun 2026 · range 41.9% – 55.9%
−0.1 pts
Top 10
60.0%
Sep 2023 → Jun 2026 · range 59.0% – 70.5%
+1.0 pts
HHI
540
Sep 2023 → Jun 2026 · range 540 – 795
Broadly held−2

Quarterly Activity

vs Mar 31, 2026
New
55
Increased
107
Decreased
101
Sold Out
31
Unchanged
50
Holder count: +24
Institutional value: +40.4%
Shares held: +2.5%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 316
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1078075 CUSIP 64115T104 13F (30d) 291 filings 285 filers Visit website Investor relations