Vanguard Capital Management filed an amended ownership statement with the SEC on October 30, 2026, disclosing a beneficial interest of 3,612,886 shares of NetScout Systems Inc common stock as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: Vanguard Capital Management reported holding 3,612,886 shares of NetScout Systems Inc common stock.
  • Percent of class: The reported position represents 4.96% of the outstanding common stock, qualifying as ownership of 5 percent or less of the class.
  • Sole voting power: Vanguard Capital Management reported sole voting power over 546,253 shares, with shared voting power of zero.
  • Sole dispositive power: The filing attributes sole dispositive power over all 3,612,886 shares to Vanguard Capital Management, with shared dispositive power of zero.
  • Triggering date: The event requiring the filing occurred on September 30, 2026, according to the statement.
  • Amendment: This filing is identified as Amendment No. 1 to a prior statement.

Vanguard's Reported Position in NetScout Systems Common Stock

According to the filing, Vanguard Capital Management, organized in Pennsylvania and headquartered at 100 Vanguard Blvd, Malvern, PA, reported beneficial ownership of 3,612,886 shares of common stock in NetScout Systems Inc (NASDAQ:NTCT), a network management and cybersecurity solutions company headquartered at 310 Littleton Road, Westford, MA. The filing classifies Vanguard Capital Management as an investment adviser under applicable SEC rules.

The statement notes that the reported position includes securities held by Vanguard funds, or portions of those funds, over which Vanguard Capital Management LLC exercises dispositive power, as well as securities held by clients over which certain affiliates exercise dispositive and voting power. The named affiliates referenced in the filing are Vanguard Asset Management Limited, Vanguard Fiduciary Trust Company, Vanguard Global Advisers, LLC, and Vanguard Investments Australia Ltd.

The filing further states that no single other person's interest in the reported securities exceeds 5%, and that Vanguard Capital Management, including registered investment companies and other managed accounts, holds the right to receive or direct the receipt of dividends or sale proceeds from the reported shares. The filing was signed by My Trieu-Gatt, identified as Authorized Signatory, Head of Global Fund Administration, on October 30, 2026.

What Was Disclosed

Vanguard Capital Management filed Amendment No. 1 to its beneficial ownership statement covering 3,612,886 shares of NetScout Systems Inc common stock, equal to 4.96% of the class, with a triggering event date of September 30, 2026, and sole dispositive power over the full position.