Si-Bone SIBN Institutional Ownership

Updated Oct 11, 2026

SI-BONE, Inc. (NASDAQ:SIBN) had 168 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

• Total holdings of SIBN shares rose 9.28% from Q1 2026, and the holder count fell 4.00% from Q2 2025.
• Among the 168 holders of Si-Bone, 103 added to their positions, 47 reduced their stakes and 18 left their positions unchanged.
• Altogether, institutional holders owned 47.42Mn SIBN shares at the end of Q2 2026, up 4.03Mn from the prior quarter and up 7.28Mn from a year earlier.
• First Light Asset Management, LLC held the largest position in SIBN at 8.13Mn shares as of June 30, 2026.
• The largest position increases in SIBN for Q2 2026 were by First Light Asset Management, LLC (+2.77Mn shares), Cadian Capital Management, LP (+1.46Mn shares), Marshall Wace, LLP (+522.16K shares), HighMark Wealth Management LLC (+265.22K shares) and BlackRock, Inc. (+247.72K shares).
• The largest position reductions in SIBN for Q2 2026 were by Morgan Stanley (-581.6K shares), Renaissance Technologies LLC (-428.52K shares), Nuveen, LLC (-259.48K shares), Pier Capital, LLC (-213.02K shares) and Goldman Sachs Group Inc (-180.53K shares).
• According to Business Quant data, the leading holders of SIBN for Q2 2026 were First Light Asset Management, LLC (8.13Mn shares), BlackRock, Inc. (3.68Mn shares), Cadian Capital Management, LP (3.35Mn shares), American Century Companies Inc (2.51Mn shares), Brown Advisory Inc (2.08Mn shares), Granahan Investment Management, LLC (1.93Mn shares), Vanguard Capital Management LLC (1.84Mn shares), Impax Asset Management Group plc (1.43Mn shares), Gilder Gagnon Howe & Co LLC (1.25Mn shares) and Paradigm Capital Management Inc (1.23Mn shares).