Supernus Pharmaceuticals, Inc. (SUPN) Institutional Ownership

Ownership Summary

The institutional landscape for Supernus Pharmaceuticals, Inc. (NASDAQ:SUPN) includes 307 filers as of the latest reporting cycle ending September 2025.

• The collective stake of institutional investors in Supernus Pharmaceuticals moved to 102.6% in September 2025, a shift down from the 105.8% reported for June 2025.
• The company experienced a 1.45% quarterly change in institutional shares held, alongside an increase of 13.70% in total owners annually.
• A review of institutional activity for Supernus Pharmaceuticals shows 150 of 307 filers increasing their positions, while 118 reduced their stake, and 39 remained unchanged.
• The total number of shares held by institutions in Supernus Pharmaceuticals increased to 57.88Mn as of September 2025, a net change of up by 829.08K shares quarter on quarter, and down 1.91Mn shares year over year.
• BlackRock, Inc. continues to be the largest institutional holder of Supernus Pharmaceuticals as of September 30, 2025, with a position of 8.70Mn shares, representing 15.42% of the company's outstanding stock.
• Among the most significant buyers of Supernus Pharmaceuticals during September 2025 were CITADEL ADVISORS LLC (1.42Mn), Point72 Asset Management, L.P. (1.25Mn), MILLENNIUM MANAGEMENT LLC (540.12K), Woodline Partners LP (490.83K), D. E. Shaw & Co., Inc. (380.98K).
• Leading sellers of Supernus Pharmaceuticals stock in September 2025 included ARMISTICE CAPITAL, LLC (1.98Mn), BlackRock, Inc. (669.48K), Aristotle Capital Boston, LLC (503.12K), Sofinnova Investments, Inc. (422.19K), AMERICAN CENTURY COMPANIES INC (406.79K).
• The top 10 institutional holders of Supernus Pharmaceuticals for the quarter ending September 2025 included BlackRock, Inc. (8.70Mn), VANGUARD GROUP INC (6.04Mn), DIMENSIONAL FUND ADVISORS LP (3.00Mn), ARMISTICE CAPITAL, LLC (2.84Mn), MACQUARIE GROUP LTD (2.53Mn), STATE STREET CORP (2.19Mn), Point72 Asset Management, L.P. (1.76Mn), RENAISSANCE TECHNOLOGIES LLC (1.74Mn), CITADEL ADVISORS LLC (1.42Mn), GEODE CAPITAL MANAGEMENT, LLC (1.41Mn).