Butterfly Network BFLY Institutional Ownership

Updated Oct 11, 2026

Butterfly Network, Inc. (NYSE:BFLY) was reported as a holding by 245 institutional investors in 13F filings for the quarter ended June 30, 2026.

• Collectively, these holders controlled 59.89% of Butterfly Network's outstanding shares in Q2 2026, up from 53.23% in Q1 2026.
• Total holdings of BFLY shares rose 13.89% from Q1 2026, and the holder count rose 31.72% from Q2 2025.
• Of these 245 holders, 143 added to their positions, 59 reduced their stakes and 43 left their positions unchanged.
• Altogether, institutional holders owned 158.36Mn BFLY shares at the end of Q2 2026, up 19.31Mn from the prior quarter and up 47.37Mn from a year earlier.
• BlackRock, Inc. was the top holder of Butterfly Network as of June 30, 2026, with 18.82Mn shares, or 7.12% of shares outstanding.
• Among holders that already owned Butterfly Network, the biggest buyers in Q2 2026 were D. E. Shaw & Co., Inc. (+5.27Mn shares), Hood River Capital Management LLC (+4.57Mn shares), FMR LLC (+4.47Mn shares), BlackRock, Inc. (+2.86Mn shares) and Goldman Sachs Group Inc (+1.91Mn shares).
• The largest position reductions in BFLY for Q2 2026 were by Bank of America Corp (-2.03Mn shares), Marshall Wace, LLP (-1.82Mn shares), Millennium Management LLC (-1.33Mn shares), Algert Global LLC (-847.6K shares) and Morgan Stanley (-592.34K shares).
• According to Business Quant data, the leading holders of BFLY for Q2 2026 were BlackRock, Inc. (18.82Mn shares), Glenview Capital Management, LLC (14.34Mn shares), Hood River Capital Management LLC (13.19Mn shares), Fosun International Ltd (10.23Mn shares), Vanguard Capital Management LLC (8.56Mn shares), D. E. Shaw & Co., Inc. (6.39Mn shares), State Street Corp (5.76Mn shares), Geode Capital Management, LLC (5.35Mn shares), ARK Investment Management LLC (5.09Mn shares) and Nuveen, LLC (5.06Mn shares).