Quinstreet, Inc (QNST) Institutional Ownership

Ownership Summary

Quinstreet, Inc (NASDAQ:QNST) showed up in the 13F filings of 206 institutional investors as of December 2025.

• These investors collectively held 90.9% of Quinstreet's outstanding shares in December 2025, up from 89.5% in September 2025.
• Their total shares held in QNST increased 2.96% from the prior quarter, while the number of investors in Quinstreet increased 3.52% year over year.
• Among the 206 funds, 108 bought more Quinstreet shares, 81 sold down, and 17 held their ground.
• Altogether, these fund groups held 52.65Mn shares in QNST by December 2025, up by 1.52Mn shares quarter on quarter, and down 344.66K shares year over year.
• BlackRock, Inc. leads ownership in QNST with 10.55Mn shares as of December 31, 2025, equal to 18.22% of outstanding shares.
• The biggest buyers of Quinstreet for the quarter ending December 2025 included VANGUARD CAPITAL MANAGEMENT LLC (2.42Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.33Mn), LAZARD ASSET MANAGEMENT LLC (1.24Mn), AQR CAPITAL MANAGEMENT LLC (1.11Mn), THOMPSON SIEGEL & WALMSLEY LLC (587.5K).
• The biggest sellers of Quinstreet for the quarter ending December 2025 included Goldman Sachs Group Inc (1.59Mn), Assenagon Asset Management S.A. (1.06Mn), MILLENNIUM MANAGEMENT LLC (477.58K), Gillson Capital LP (452.95K), D. E. Shaw & Co., Inc. (402.99K).
• Per Business Quant data, the top 10 holders of Quinstreet for the quarter ending December 2025 are BlackRock, Inc. (10.55Mn), Private Capital Management, LLC (4.42Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.42Mn), State Street Corp (2.17Mn), AQR CAPITAL MANAGEMENT LLC (2.07Mn), Goldman Sachs Group Inc (1.6Mn), ROYCE & ASSOCIATES LP (1.57Mn), LAZARD ASSET MANAGEMENT LLC (1.44Mn), GEODE CAPITAL MANAGEMENT, LLC (1.37Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.33Mn).