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Of the 13 tracked institutions holding NTCT, 5 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +3.0pt. It's a gauge of who owns the name, not just how many.
Among the 13 tracked institutional investors we monitor, NTCT (NETSCOUT SYS INC) is held with a combined value of $1.07B across 28,005,780 shares. The largest holder is BlackRock, Inc. with a position worth $498.03M. Magnetar Financial LLC opened a new position in the most recent quarter. 7 funds increased their holdings. 5 funds reduced their position.
Total Institutional Value
$1.07B
Total Shares Held
28,005,780
Institutional Holders
13
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $498.03M | 0.01% | +0.4% |
| 2 | VANGUARD GROUP INC | $245.09M | 0.00% | -2.2% |
| 3 | STATE STREET CORP | $155.88M | 0.00% | +9.2% |
| 4 | WELLINGTON MANAGEMENT GROUP LLP | $54.81M | 0.01% | +16.8% |
| 5 | AQR CAPITAL MANAGEMENT LLC | $45.85M | 0.02% | -11.7% |
| 6 | FMR LLC | $25.72M | 0.00% | +82.6% |
| 7 | MILLENNIUM MANAGEMENT LLC | $18.85M | 0.01% | +526.1% |
| 8 | CITADEL ADVISORS LLC | $11.22M | 0.01% | +299.0% |
| 9 | Bridgewater Associates, LP | $4.35M | 0.02% | -46.7% |
| 10 | PRICE T ROWE ASSOCIATES INC /MD/ | $4.14M | 0.00% | +17.3% |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of NTCT with a position worth $498.03M, representing 0.01% of their portfolio. In total, 13 institutional investors hold NTCT with a combined value of $1.07B.
In the most recent quarter, 1 fund opened a new position in NTCT. Additionally, 7 increased their holdings and 5 reduced their positions.
Institutional investors hold $1.07B worth of NTCT stock across 13 positions. The largest institutional holder is BlackRock, Inc. with $498.03M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For NTCT, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their NTCT positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| 2026-07-31 |
SEC Schedule 13D (activist) and 13G (passive) filings for NTCT. Filed when an investor acquires 5%+ ownership.
Last Close
$38.70
2026-10-21
YTD
+44.1%
68% of 52-week range
