State Street Corporation filed a Schedule 13G with the SEC on November 9, 2026, disclosing beneficial ownership of 3,563,952 shares of NetScout Systems Inc common stock as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: State Street Corporation reported ownership of 3,563,952 shares of NetScout Systems Inc common stock, representing 4.9% of the class.
  • Shared voting power: State Street disclosed shared power to vote or direct the vote of 3,336,866 shares, with zero sole voting power.
  • Shared dispositive power: The filing reports shared power to dispose of or direct the disposition of 3,563,952 shares, with zero sole dispositive power.
  • Event date: The date of the event requiring the filing was September 30, 2026.
  • Filing entity type: State Street Corporation identified itself as a parent holding company (type "HC"), organized in Massachusetts.
  • Subsidiaries involved: Seven subsidiaries classified as investment advisers (IA) were identified, including SSGA Funds Management, Inc. and multiple State Street Global Advisors entities across several jurisdictions.

State Street Corporation's Schedule 13G Filing for NetScout Systems Common Stock

State Street Corporation, headquartered at One Congress Street, Suite 1, Boston, MA 02114, filed a Schedule 13G disclosing its beneficial ownership position in NetScout Systems Inc (CUSIP 64115T104), whose principal offices are located at 310 Littleton Road, Westford, Massachusetts 01886. The filing was signed on November 9, 2026, by Alok Maheshwary, Senior Vice President, and covers a reporting event dated September 30, 2026.

According to the filing, State Street beneficially owns 3,563,952 shares of NetScout Systems common stock, equal to 4.9% of the class. The company holds zero sole voting power and zero sole dispositive power over these shares. Shared voting power covers 3,336,866 shares, while shared dispositive power extends to the full 3,563,952 shares. The filing notes ownership of 5 percent or less of the class under Item 5.

State Street identified seven subsidiaries as the entities through which the reported securities were acquired, all classified as investment advisers: SSGA Funds Management, Inc.; State Street Global Advisors (Japan) Co., Ltd.; State Street Global Advisors Europe Limited; State Street Global Advisors Limited; State Street Global Advisors Singapore Limited; State Street Global Advisors Trust Company; and State Street Global Advisors, Ltd. The filing certifies, as required, that the securities "were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer."

What Was Disclosed

State Street Corporation disclosed a 4.9% beneficial ownership stake in NetScout Systems Inc common stock, totaling 3,563,952 shares, with all voting and dispositive power held on a shared basis through seven investment adviser subsidiaries, as of September 30, 2026.