Heartflow, Inc. (HTFL) Institutional Ownership

Ownership Summary

Heartflow, Inc. (NASDAQ:HTFL) has 108 institutional investors with active 13F positions as of December 2025.

• These investors held 103.0% of outstanding shares in December 2025, up from 91.4% in September 2025.
• They increased total shares held in Heartflow by 25.41% from last quarter, and the number of investors in HTFL stayed flat annually.
• Of these 108 holders, 82 added to their stakes in Heartflow, 13 trimmed positions, and 13 made no changes.
• The aggregate institutional position in Heartflow amounted to 50.57Mn shares as of December 2025, up by 10.25Mn shares quarter on quarter, and with no net change year over year.
• WELLINGTON MANAGEMENT GROUP LLP leads ownership in HTFL with 11.98Mn shares as of December 31, 2025, equal to 24.4% of outstanding shares.
• The most significant purchases of HTFL for the quarter ending December 2025 came from WELLINGTON MANAGEMENT GROUP LLP (6.09Mn), Janus Henderson Group Plc (3.5Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (2.05Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.89Mn), BAMCO INC /NY/ (1.52Mn).
• The biggest sellers of Heartflow for the quarter ending December 2025 included Bain Capital Life Sciences Investors, LLC (2.0Mn), BAILLIE GIFFORD & CO (1.92Mn), Schusterman Interests, LLC (1.68Mn), Capricorn Investment Group LLC (1.4Mn), CITADEL ADVISORS LLC (492.29K).
• Per Business Quant data, the top 10 holders of Heartflow for the quarter ending December 2025 are WELLINGTON MANAGEMENT GROUP LLP (11.98Mn), Bain Capital Life Sciences Investors, LLC (10.45Mn), FMR LLC (5.4Mn), Janus Henderson Group Plc (4.36Mn), BAMCO INC /NY/ (3.83Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (2.05Mn), Invesco Ltd. (1.91Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.89Mn), BlackRock, Inc. (1.46Mn), UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC (1.41Mn).