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Security record · archived quarter

NTCT

NetScout Systems, Inc. · Technology · Software - Infrastructure

38.16 +0.3% mkt cap $2.77B quote delayed (FMP) · as of Aug 26 16:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
16Tracked holders
+2Δ holders
28.52MShares held
$707.67MReported value
+2New positions
−0Exits
Strongly Rising Conviction score 51/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +14.3% · share flow 0.0% · net new positions +12.5%formula
Broad accumulation — rising shares across more holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 108 +1 50.01M $2.18B +8 −8
Q1 2026 111 +8 49.36M $1.57B +13 −5
Q4 2025 102 0 55.83M $1.51B
Q3 2025 20 +2 31.55M $814.93M +2 −1
Q2 2025 16 +2 28.52M $707.67M +2
Q1 2025 11 +1 7.45M $156.60M +1
Q4 2024 10 0 7.84M $169.82M +1 −1
Q3 2024 9 -1 5.18M $112.64M −1
Q2 2024 10 5.66M $103.52M
Holder count
Who holds it · Q2 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
2 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
3 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
4 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
5 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
6 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
7 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
8 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
9 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
10 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
11 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
12 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
13 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
14 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
15 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
16 BlackRock (passive) 11.52M $285.73M 0.0% n/c 1 SEC ↗
17 The Vanguard Group (passive) 9.32M $231.13M 0.0% n/c 1 SEC ↗
18 The Vanguard Group (passive) 9.32M $231.13M 0.0% n/c 1 SEC ↗
19 The Vanguard Group (passive) 9.32M $231.13M 0.0% n/c 1 SEC ↗
20 The Vanguard Group (passive) 9.32M $231.13M 0.0% n/c 1 SEC ↗
21 The Vanguard Group (passive) 9.32M $231.13M 0.0% n/c 1 SEC ↗
22 State Street Global Advisors (passive) 3.03M -2.0% $75.18M 0.0% ▼ Trim 3 SEC ↗
23 Geode Capital Management (passive) 1.76M +1.2% $43.63M 0.0% ▲ Add 5 SEC ↗
24 Geode Capital Management (passive) 1.76M +1.2% $43.63M 0.0% ▲ Add 5 SEC ↗
25 AQR Capital Management 724.16K +63.0% $17.94M 0.0% ▲ Add 5 SEC ↗
26 AQR Capital Management 724.16K +63.0% $17.94M 0.0% ▲ Add 5 SEC ↗
27 AQR Capital Management 724.16K +63.0% $17.94M 0.0% ▲ Add 5 SEC ↗
28 AQR Capital Management 724.16K +63.0% $17.94M 0.0% ▲ Add 5 SEC ↗
29 AQR Capital Management 724.16K +63.0% $17.94M 0.0% ▲ Add 5 SEC ↗
30 D. E. Shaw & Co. 622.44K -36.4% $15.44M 0.0% ▼ Trim 5 SEC ↗
31 D. E. Shaw & Co. 622.44K -36.4% $15.44M 0.0% ▼ Trim 5 SEC ↗
32 Citadel Advisors 392.37K +24.6% $9.73M 0.0% ▲ Add 5 SEC ↗
33 Citadel Advisors 392.37K +24.6% $9.73M 0.0% ▲ Add 5 SEC ↗
34 Two Sigma Investments 264.44K -35.6% $6.56M 0.0% ▼ Trim 5 SEC ↗
35 Arrowstreet Capital 255.51K +86.0% $6.34M 0.0% ▲ Add 3 SEC ↗
36 Fidelity (FMR) 237.71K $5.90M 0.0% n/c 1 SEC ↗
37 Fidelity (FMR) 237.71K $5.90M 0.0% n/c 1 SEC ↗
38 Marshall Wace 114.08K New $2.83M 0.0% New 1 SEC ↗
39 Marshall Wace 114.08K New $2.83M 0.0% New 1 SEC ↗
40 Renaissance Technologies 84.70K New $2.10M 0.0% New 1 SEC ↗
41 T. Rowe Price 65.05K +15.9% $1.61M 0.0% ▲ Add 5 SEC ↗
42 T. Rowe Price 65.05K +15.9% $1.61M 0.0% ▲ Add 5 SEC ↗
43 Norges Bank (passive) 63.79K -40.2% $1.58M 0.0% ▼ Trim 5 SEC ↗
44 Millennium Management 51.18K -68.8% $1.27M 0.0% ▼ Trim 5 SEC ↗
45 Gotham Asset Management 27.73K +161.3% $687,981 0.0% ▲ Add 2 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Marshall Wace $2.83M 0.0%
Marshall Wace $2.83M 0.0%
Renaissance Technologies $2.10M 0.0%

Exited

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 284 holders, 66.21M shares, $1.95B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 17 Munshi Sanjay

Officer · 2.27K sh · $89,104

Aug 11 DOWNING JOHN

Officer · 8.00K sh · $307,280

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 07 SC 13G — STATE STREET CORP

View original SEC filing ↗

Jul 31 SC 13G — VANGUARD CAPITAL MANAGEMENT LLC

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2025 · Methodology · Get this via the API