Major share holders.24 Oct 2025 10:50
As of late October 2025, major shareholders of Renalytix include several investment firms, institutions, and certain directors
. Recent regulatory filings indicate some changes in the holdings of significant institutional investors.
Major institutional shareholders
UBS Group AG: Recently crossed the 8% voting rights threshold as of October 22, 2025, holding 8.002628% through its subsidiary, UBS AG.
Jefferson River Capital LLC: Holds 9.3% of ordinary shares, with 30,755,501 shares.
Ruffer LLP: Owns 8.6% of ordinary shares, with 28,500,000 shares.
Polar Capital: Holds 8.2% of ordinary shares, with 27,246,197 shares.
Unicorn Asset Management Limited: Possesses 5.7% of ordinary shares, with 18,955,777 shares.
Heights Capital Management, Inc.: Filed a notification in mid-October 2025, disclosing a holding of 9.874%.
Pentwater Capital Management LP: Last filed in early October 2025, with a holding of 7.816294%.
The Mount Sinai Hospital: Owns 11.34% of equities, totaling 37,550,977.
Director and related holdings
Christopher Mills: As Chairman, has a 4.4% stake through entities he is involved with, including North Atlantic Smaller Companies Investment Trust PLC and Harwood Capital LLP.
James McCullough: The CEO, holds 1.0% through his family trust.
The Icahn School of Medicine at Mount Sinai: Has an equity ownership in Renalytix, a result of the technology development for KidneyIntelX