Company Analysis

Tenax Therapeutics, Inc. (TENX)

Nasdaq: TENX · Pharmaceutical Preparations · Chapel Hill, NC · filing with the SEC since 1996
Grade5.1
◀ Past 3.2● Present 4.8▶ Future 6.5
6 est.

Who owns Tenax Therapeutics, Inc.

As filed with the SEC
Holders of 5% or more
10
ADAR1 Capital Management, LLC holds 14% of Common Stock, $0.0001 par value per share, as its SCHEDULE 13G filed Sep 8, 2026 says.
Directors and officers
9
report now, of 21 people on the record since 2010. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 10 named at left.
Holders of 5% or moreshare of the class, as filed
ADAR1 Capital Management, LLC
SCHEDULE 13G · filed Sep 8, 2026 · Common Stock, $0.0001 par value per share
14%
Bvf Partners L P/il
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, $0.0001 par value per share · 9.99% in May 15, 2026
9.99%
Janus Henderson Group PLC
SCHEDULE 13G · filed Dec 8, 2025 · Common Stock · 4% in Aug 14, 2025
9.99%
RTW Investments, LP
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, $0.0001 par value · 9.9% in May 15, 2026
9.9%
Vestal Point Capital, LP
SCHEDULE 13G · filed Nov 14, 2025 · Common Stock, par value $0.0001 per share
9.9%
Vivo Opportunity Fund Holdings, L.P.
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, $0.0001 par value per share
9%
Blackrock, Inc.
SCHEDULE 13G/A · filed Oct 27, 2026 · Common Stock · 6.4% in Jul 30, 2026
7.5%
Sphera Funds Management Ltd.
SCHEDULE 13G/A · filed Oct 13, 2026 · Common Stock, par value $0.0001 per share · 5.33% in Aug 27, 2026
7.09%
Adage Capital Management, L.P.
SCHEDULE 13G/A · filed Aug 12, 2026 · Common Stock, par value $0.0001 per share
6.81%
Dellora Investments LP
SCHEDULE 13G/A · filed Oct 9, 2026 · Common Stock, $0.0001 par value per share · 2.3% in May 15, 2026
6.4%
S.H.N. Financial Investments Ltd.
SCHEDULE 13G/A · filed Mar 18, 2025 · Common stock, par value $0.0001 · reported falling below 5%
under 5%
Venrock Healthcare Capital Partners III, L.P.
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, $0.0001 par value per share · reported falling below 5%, from 9.9% in May 15, 2026
under 5%
Perceptive Advisors LLC
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, $0.0001 par value per share · reported falling below 5%, from 5.5% in May 15, 2026
under 5%
Christopher Thomas Giordano
SCHEDULE 13D/A · filed Jul 31, 2026 · Common Stock, $0.0001 par value per share · reported falling below 5%, from 6.79% in Mar 10, 2026
under 5%
Stonepine Capital Management, LLC
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock · reported falling below 5%
under 5%
Millennium Management LLC
SCHEDULE 13G/A · filed Oct 15, 2026 · Common Stock, par value $0.0001 per share · reported falling below 5%, from 5.8% in Aug 18, 2026
under 5%
Morgan Stanley
SCHEDULE 13G/A · filed Apr 8, 2026 · Common Stock · reported falling below 5%, from 9.6% in Feb 12, 2026
under 5%
Point72 Asset Management, L.P.
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock, par value $0.0001 per share · reported falling below 5%, from 6.8% in Feb 17, 2026
under 5%
Logos Global Management LP
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock · reported falling below 5%, from 9.9% in Mar 9, 2026
under 5%
Ikarian Capital, LLC
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, $0.0001 par value per share · reported falling below 5%, from 6.7% in Apr 7, 2026
under 5%
Raymond Debbane
SCHEDULE 13G/A · filed May 4, 2026 · Common Stock, $0.0001 par value per share · reported falling below 5%, from 9.4% in Oct 2, 2025
under 5%
T. Rowe Price Associates, Inc.
SCHEDULE 13G/A · filed Jun 5, 2026 · COMMON STOCK · reported falling below 5%, from 11% in May 7, 2026
under 5%
Millennium Management LLC
SCHEDULE 13G/A · filed May 8, 2026 · Common Stock, par value $0.0001 per share · reported falling below 5%, from 6.9% in Nov 5, 2025
under 5%
Fmr LLC
SCHEDULE 13G/A · filed Sep 8, 2026 · COMMON STOCK · reported falling below 5%, from 14.9% in Jul 8, 2026
under 5%
Lind Global Fund II LP
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock, par value $0.0001 per share · reported falling below 5%, from 6.62% in Feb 17, 2026
under 5%
ING Groep N.V.
SCHEDULE 13G/A · filed Sep 11, 2026 · Common Stock, $0.0001 par value per share · reported falling below 5%, from 7.05% in Aug 27, 2026
under 5%
What TENX reports owning in othersstakes of 5% or more, and other ties

2 subsidiaries in 1 country, from the list filed with the 10-K filed Mar 31, 2023.

Insider tradesForm 4
0sales
19purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$300,000bought, in dollars
Open-market trades on Form 4 from Oct 21, 2025 to Oct 21, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
161720242526
2026 runs to Oct 21, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window8 of 24 on the roster
PersonRole as filedSalesSoldOn a planBuysBought
Schneeberger Daniel10% owner0$006$3.2M
Giordano Christopher ThomasCEO0$005$0
Rich StuartChief Medical Officer0$005$100,000
Almenoff June Sheriedirector0$004$0
Adar1 Capital Management, LLC10% owner0$004$3.1M
Mcgauley ThomasInterim CFO0$003$100,000
Staab Thomas R IIChief Financial Officer0$001$0
Doogan Declandirector0$001$100,000
SI Assistanton TENX · research, not advice