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Home › Fund moves › Tenax Therapeutics › Adage Capital Management, L.P. cut its TENX stake below 5% (2.3%)
Why it stands out The holder reported owning less than 5%, which ends its duty to keep reporting this stake.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell.
All the details
Dates, kept separate
Date of the event that required the filing Sep 30, 2026
Reporting period Not applicable
Filed with the SEC Nov 12, 2026 passive 5% holder
Context Change vs prior quarter Undefined
Compared with the manager's prior 13F
Tracked managers with the same change NaN
For the same quarter
0000919574-26-007573
Data quality Verified: identifiers matched exactly
Around the same time Insider buying
Traded Oct 21 · filed the same day
A major shareholder of Tenax Therapeutics paid $551K out of pocket for Tenax Therapeutics shares.
Insider buying
Traded Oct 20 · filed 1 day later
A major shareholder of Tenax Therapeutics paid $406K out of pocket for Tenax Therapeutics shares.
Insider buying
Traded Oct 19 · filed 2 days later
A major shareholder of Tenax Therapeutics paid $507K out of pocket for Tenax Therapeutics shares.
The story around this disclosure Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.
Aug 20, 2026 Insider · Largest insider buy since 2010 10% owner purchased ~$360K of TENX shares in the open market Aug 21, 2026 Insider · Largest insider buy since 2010 10% owner purchased ~$1.27M of TENX shares in the open market Aug 24, 2026 Insider 10% owner purchased ~$188K of TENX shares in the open market Aug 31, 2026 Insider 10% owner purchased ~$723K of TENX shares in the open market Sep 1, 2026 Insider 10% owner purchased ~$322K of TENX shares in the open market Sep 2, 2026 Insider 10% owner purchased ~$338K of TENX shares in the open market Sep 3, 2026 Insider · Largest insider buy since 2010 10% owner purchased ~$1.6M of TENX shares in the open market Sep 11, 2026 Insider · 2 people Insiders: 2 purchases (~$22K) Sep 15, 2026 Insider CEO purchased ~$8.8K of TENX shares in the open market Sep 16, 2026 Insider · 3 insiders in a week, 2nd time since 2010 Director purchased ~$102K of TENX shares in the open market What came next Oct 9, 2026 5% stake Dellora Investments LP reported a passive stake (13G) of 6.4% Oct 13, 2026 5% stake Sphera Funds Management Ltd. reported a passive stake (13G) of 7.1% Oct 15, 2026 5% stake Millennium Management LLC reported a passive stake (13G) of 3.6% Oct 19, 2026 Insider 10% owner purchased ~$507K of TENX shares in the open market
