Trinet Group, Inc. (TNET) Institutional Ownership

Ownership Summary

Trinet Group, Inc. (NYSE:TNET) showed up in the 13F filings of 254 institutional investors as of December 2025.

• Collectively, these holders controlled 93.8% of Trinet's outstanding shares in December 2025, down from 97.0% in September 2025.
• Their total shares held in TNET increased 2.48% from the prior quarter, while the number of investors in Trinet increased 4.96% year over year.
• Of these 254 holders, 123 added to their stakes in Trinet, 103 trimmed positions, and 28 made no changes.
• The aggregate institutional position in Trinet amounted to 45.96Mn shares as of December 2025, up by 1.11Mn shares quarter on quarter, and down 2.93Mn shares year over year.
• As of December 31, 2025, the biggest holder of Trinet is Atairos Group, Inc. at 18.09Mn shares, representing 36.91% of shares outstanding.
• The largest buyers of Trinet for the quarter ending December 2025 were VANGUARD PORTFOLIO MANAGEMENT LLC (1.43Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.31Mn), EARNEST PARTNERS LLC (704.85K), FRONTIER CAPITAL MANAGEMENT CO LLC (231.32K), AQR CAPITAL MANAGEMENT LLC (226.19K).
• The largest sales of TNET for the quarter ending December 2025 came from MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (1.01Mn), MILLENNIUM MANAGEMENT LLC (424.06K), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (339.44K), Pacer Advisors, Inc. (316.11K), Point72 Asset Management, L.P. (289.95K).
• Per Business Quant data, the top 10 holders of Trinet for the quarter ending December 2025 are Atairos Group, Inc. (18.09Mn), BlackRock, Inc. (2.43Mn), EARNEST PARTNERS LLC (1.6Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.43Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.31Mn), WELLINGTON MANAGEMENT GROUP LLP (1.2Mn), AMERICAN CENTURY COMPANIES INC (1.1Mn), DIMENSIONAL FUND ADVISORS LP (851.37K), State Street Corp (714.62K), GEODE CAPITAL MANAGEMENT, LLC (713.14K).