Oscar Health, Inc. (OSCR) Institutional Ownership

Ownership Summary

According to SEC filings for the period ending December 2025, Oscar Health, Inc. (NYSE:OSCR) is held by 84 institutional firms.

• These investors collectively held 12.5% of the company's total shares outstanding in December 2025, down from 68.3% in September 2025.
• Quarterly data indicates a 4.63% shift in institutional share volume, and the annual owner count reflects a decrease of 67.44%.
• A review of institutional activity for Oscar Health shows 36 of 84 filers increasing their positions, while 28 reduced their stake, and 20 remained unchanged.
• The aggregate institutional position in Oscar Health now stands at 29.16Mn shares as of December 2025, after investors increased their holdings (up by 1.29Mn shares quarter on quarter which is down 168.47Mn shares year over year).
• As of December 31, 2025, VANGUARD GROUP INC held Oscar Health's largest shareholding position with over 20.70Mn shares, representing 8.91% of total outstanding shares.
• Among the most significant buyers of Oscar Health during December 2025 were SG Americas Securities, LLC (827.93K), Assenagon Asset Management S.A. (640.76K), VANGUARD GROUP INC (540.85K), Universal- Beteiligungs- und Servicegesellschaft mbH (218.02K), IMC-Chicago, LLC (60.68K).
• Leading sellers of Oscar Health stock in December 2025 included UBS Group AG (1.08Mn), Bosman Wealth Management, LLC (71.13K), Game Plan Financial Advisors, LLC (26.55K), BCS Private Wealth Management, Inc. (20.27K), MATAURO, LLC (18.26K).
• The top 10 institutional holders of Oscar Health for the quarter ending December 2025 included VANGUARD GROUP INC (20.70Mn), STATE OF MICHIGAN RETIREMENT SYSTEM (1.45Mn), UBS Group AG (1.43Mn), SG Americas Securities, LLC (921.29K), RPG Investment Advisory, LLC (794.01K), Fiduciary Alliance LLC (650.78K), Assenagon Asset Management S.A. (640.76K), Halter Ferguson Financial Inc. (389.40K), IMC-Chicago, LLC (371.59K), BCS Private Wealth Management, Inc. (337.40K).