Tenax Therapeutics, Inc. (TENX) Institutional Ownership

Ownership Summary

Tenax Therapeutics, Inc. (NASDAQ:TENX) has 46 institutional investors with active 13F positions as of December 2025.

• Collectively, these holders controlled 17.7% of Tenax Therapeutics's outstanding shares in December 2025, up from 11.9% in September 2025.
• They increased total shares held in TENX by 64.88% quarter over quarter, and investors in Tenax Therapeutics increased 109.09% from a year ago.
• Activity in TENX broke down as 30 buyers, 3 sellers, and 13 unchanged among 46 total holders.
• Altogether, these fund groups held 7.03Mn shares in TENX by December 2025, up by 2.76Mn shares quarter on quarter, and up 5.59Mn shares year over year.
• As of December 31, 2025, the biggest holder of Tenax Therapeutics is Janus Henderson Group Plc at 3.63Mn shares, representing 9.14% of shares outstanding.
• Top purchasers of TENX stock for the quarter ending December 2025 included Janus Henderson Group Plc (3.46Mn), PRICE T ROWE ASSOCIATES INC /MD/ (2.95Mn), Venrock Adviser, LLC (1.68Mn), PERCEPTIVE ADVISORS LLC (1.01Mn), Stonepine Capital Management, LLC (963.32K).
• The largest sellers of Tenax Therapeutics for the quarter ending December 2025 were DIADEMA PARTNERS LP (63.43K), SPHERA FUNDS MANAGEMENT LTD. (54.1K), Goldman Sachs Group Inc (12.96K), Corient Private Wealth LLC (12.39K), RTW INVESTMENTS, LP (8.1K).
• According to Business Quant data, leading holders of TENX for December 2025 are Janus Henderson Group Plc (3.63Mn), PRICE T ROWE ASSOCIATES INC /MD/ (2.95Mn), Venrock Adviser, LLC (1.68Mn), PERCEPTIVE ADVISORS LLC (1.45Mn), Ikarian Capital, LLC (1.02Mn), Stonepine Capital Management, LLC (975.2K), Logos Global Management LP (625.0K), Morgan Stanley (596.56K), Velan Capital Investment Management LP (583.33K), ADAGE CAPITAL PARTNERS GP, L.L.C. (540.13K).