Aduro Clean Technologies Inc. (ADUR) Institutional Ownership

Ownership Summary

A total of 27 institutions have reported a stake in Aduro Clean Technologies Inc. (NASDAQ:ADUR) as of December 2025, according to recent 13F filings with the SEC.

• The percentage of Aduro Clean Technologies owned by institutions changed from 2.4% in September 2025 to 4.6% in December 2025, marking a slight up trend.
• The company experienced a 195.97% quarterly change in institutional shares held, alongside an increase of 237.50% in total owners annually.
• A review of institutional activity for Aduro Clean Technologies shows 20 of 27 filers increasing their positions, while 3 reduced their stake, and 4 remained unchanged.
• Collectively, institutional investors increased their stake in Aduro Clean Technologies to 985.76K shares as of December 2025, a change that is up by 652.70K shares quarter on quarter and up 935.08K shares year over year.
• As of December 31, 2025, Empery Asset Management, LP held Aduro Clean Technologies's largest shareholding position with over 571.05K shares, representing 2.66% of total outstanding shares.
• Among the most significant buyers of Aduro Clean Technologies during December 2025 were Empery Asset Management, LP (571.05K), JANE STREET GROUP, LLC (36.46K), Engineers Gate Manager LP (15.34K), Perigon Wealth Management, LLC (12.03K), GOLDMAN SACHS GROUP INC (10.00K).
• Leading sellers of Aduro Clean Technologies stock in December 2025 included TWO SIGMA INVESTMENTS, LP (9.63K), STATE STREET CORP (294), NATIONAL BANK OF CANADA /FI/ (53).
• The top 10 institutional holders of Aduro Clean Technologies for the quarter ending December 2025 included Empery Asset Management, LP (571.05K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (122.36K), UBS Group AG (74.04K), JANE STREET GROUP, LLC (62.50K), TWO SIGMA INVESTMENTS, LP (29.76K), One Wealth Advisors, LLC (22.20K), GEODE CAPITAL MANAGEMENT, LLC (19.23K), STATE STREET CORP (18.71K), Engineers Gate Manager LP (15.34K), Perigon Wealth Management, LLC (12.03K).