Bandwidth Inc. (BAND) Institutional Ownership

Ownership Summary

According to SEC filings for the period ending September 2025, Bandwidth Inc. (NASDAQ:BAND) is held by 156 institutional firms.

• These investors collectively held 69.7% of the company's total shares outstanding in September 2025, down from 71.4% in June 2025.
• The company experienced a 0.33% quarterly change in institutional shares held, alongside an increase of 5.41% in total owners annually.
• During the quarter, 68 institutions bought more Bandwidth shares, 60 sold shares, and 28 of the 156 total investors held their position steady.
• The total number of shares held by institutions in Bandwidth increased to 21.00Mn as of September 2025, a net change of up by 68.56K shares quarter on quarter, and up 2.19Mn shares year over year.
• With 2.87Mn shares, BlackRock, Inc. commands the largest institutional position in Bandwidth as of September 30, 2025, equating to 9.51% of the company.
• Among the most significant buyers of Bandwidth during September 2025 were Portolan Capital Management, LLC (400.23K), WELLINGTON MANAGEMENT GROUP LLP (290.40K), Assenagon Asset Management S.A. (136.62K), ALGERT GLOBAL LLC (103.21K), TWO SIGMA INVESTMENTS, LP (72.58K).
• Leading sellers of Bandwidth stock in September 2025 included UBS Group AG (235.80K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (180.78K), AQR CAPITAL MANAGEMENT LLC (155.17K), BANK OF AMERICA CORP /DE/ (124.09K), D. E. Shaw & Co., Inc. (98.69K).
• The top 10 institutional holders of Bandwidth for the quarter ending September 2025 included BlackRock, Inc. (2.87Mn), VANGUARD GROUP INC (1.99Mn), DIMENSIONAL FUND ADVISORS LP (1.46Mn), ACADIAN ASSET MANAGEMENT LLC (800.34K), Portolan Capital Management, LLC (745.80K), GEODE CAPITAL MANAGEMENT, LLC (664.87K), RENAISSANCE TECHNOLOGIES LLC (648.90K), AMERIPRISE FINANCIAL INC (642.26K), Connor, Clark & Lunn Investment Management Ltd. (641.16K), STATE STREET CORP (632.77K).