Cambium Networks Corp (CMBM) Institutional Ownership

Ownership Summary

According to SEC filings for the period ending December 2025, Cambium Networks Corp (NASDAQ:CMBM) is held by 27 institutional firms.

• These investors collectively held 6.6% of the company's total shares outstanding in December 2025, down from 65.2% in September 2025.
• Institutional share ownership changed by -6.27% QoQ, while the number of institutional owners saw a decrease of 41.30% YoY.
• During the quarter, 10 institutions bought more Cambium Networks shares, 8 sold shares, and 9 of the 27 total investors held their position steady.
• The total number of shares held by institutions in Cambium Networks decreased to 1.84Mn as of December 2025, a net change of down by 122.75K shares quarter on quarter, and down 18.75Mn shares year over year.
• RENAISSANCE TECHNOLOGIES LLC's holding of 385.75K shares as of December 31, 2025 makes it the primary institutional investor in Cambium Networks, owning 1.39% of the stock.
• Among the most significant buyers of Cambium Networks during December 2025 were JANE STREET GROUP, LLC (126.95K), VANGUARD GROUP INC (53.09K), RBF Capital, LLC (36.00K), XTX Topco Ltd (32.81K), STATE STREET CORP (20.60K).
• Leading sellers of Cambium Networks stock in December 2025 included TWO SIGMA INVESTMENTS, LP (268.63K), RENAISSANCE TECHNOLOGIES LLC (102.24K), GSA CAPITAL PARTNERS LLP (64.19K), BlackRock, Inc. (12.42K), CITIGROUP INC (1.98K).
• The top 10 institutional holders of Cambium Networks for the quarter ending December 2025 included RENAISSANCE TECHNOLOGIES LLC (385.75K), RBF Capital, LLC (243.30K), VANGUARD GROUP INC (218.96K), JANE STREET GROUP, LLC (176.94K), BlackRock, Inc. (142.86K), GEODE CAPITAL MANAGEMENT, LLC (129.73K), GSA CAPITAL PARTNERS LLP (118.55K), TWO SIGMA INVESTMENTS, LP (92.46K), STATE STREET CORP (60.39K), Friday Financial (53.19K).