Who owns Tenax Therapeutics (TENX)
Which tracked institutional funds hold TENX, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See TENX company fundamentals →
Ownership as of the 2026-Q2 13F filings (latest filed 2026-09-22). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
46 tracked funds added or opened TENX while 25 trimmed or exited it between 2026-Q1 and 2026-Q2 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
TENX’s largest tracked holder by dollar value, FMR LLC, sizes it at 0.0% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 0.0pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in TENX divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2026-Q1 and 2026-Q2, across 111 tracked filers holding TENX, 85 increased or opened the position and 27 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in TENX between the 2026-Q1 and 2026-Q2 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 18
- Candriam S.C.A.$11M
- BRAIDWELL LP$9M
- Jupiter Topco LLC$7M
- Bank of New York Mellon Corp$5M
- Caption Management, LLC$4M
- Ensign Peak Advisors, Inc$3M
Full exits 10
- JANUS HENDERSON GROUP PLC$29M
- Venrock Adviser, LLC$27M
- ARMISTICE CAPITAL, LLC$8M
- GREAT POINT PARTNERS LLC$5M
- AMERIPRISE FINANCIAL INC$4M
- BOONE CAPITAL MANAGEMENT LLC$3M
Largest adds
- FMR LLC$52M
- Vivo Capital, LLC$33M
- BlackRock, Inc.$25M
- VANGUARD CAPITAL MANAGEMENT LLC$12M
- GEODE CAPITAL MANAGEMENT, LLC$8M
- CITADEL ADVISORS LLC$8M
Largest trims
- PRICE T ROWE ASSOCIATES INC /MD/$38M
- Stonepine Capital Management, LLC$6M
- Logos Global Management LP$6M
- TD Asset Management Inc$5M
- Ikarian Capital, LLC$5M
- UBS Group AG$5M
Institutional holders
One row per tracked fund, most shares held first (every row is from one quarter; reported value breaks ties). “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding.
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| FMR LLC added | 3,942,373 | $57M | 13.0% | 2026-Q2 |
| Vivo Capital, LLC added | 2,500,000 | $36M | 8.2% | 2026-Q2 |
| BlackRock, Inc. added | 1,727,988 | $25M | 5.7% | 2026-Q2 |
| PERCEPTIVE ADVISORS LLC added | 1,700,000 | $25M | 5.6% | 2026-Q2 |
| VANGUARD CAPITAL MANAGEMENT LLC added | 1,147,121 | $17M | 3.8% | 2026-Q2 |
| MILLENNIUM MANAGEMENT LLC added | 876,230 | $13M | 2.9% | 2026-Q2 |
| Ikarian Capital, LLC trimmed | 787,600 | $11M | 2.6% | 2026-Q2 |
| Candriam S.C.A. new | 749,588 | $11M | 2.5% | 2026-Q2 |
| CITADEL ADVISORS LLC added | 728,561 | $11M | 2.4% | 2026-Q2 |
| RTW INVESTMENTS, LP added | 696,570 | $10M | 2.3% | 2026-Q2 |
| Stonepine Capital Management, LLC trimmed | 660,000 | $10M | 2.2% | 2026-Q2 |
| GEODE CAPITAL MANAGEMENT, LLC added | 639,537 | $9M | 2.1% | 2026-Q2 |
| PRICE T ROWE ASSOCIATES INC /MD/ trimmed | 607,660 | $9M | 2.0% | 2026-Q2 |
| MARSHALL WACE, LLP added | 585,578 | $9M | 1.9% | 2026-Q2 |
| BRAIDWELL LP new | 584,412 | $9M | 1.9% | 2026-Q2 |
| Point72 Asset Management, L.P. added | 556,761 | $8M | 1.8% | 2026-Q2 |
| Velan Capital Investment Management LP trimmed | 549,985 | $8M | 1.8% | 2026-Q2 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 540,126 | $8M | 1.8% | 2026-Q2 |
| Woodline Partners LP added | 531,254 | $8M | 1.8% | 2026-Q2 |
| STATE STREET CORP added | 510,814 | $7M | 1.7% | 2026-Q2 |
| Sofinnova Investments, Inc. added | 500,039 | $7M | 1.6% | 2026-Q2 |
| Jupiter Topco LLC new | 451,226 | $7M | 1.5% | 2026-Q2 |
| MORGAN STANLEY trimmed | 432,220 | $6M | 1.4% | 2026-Q2 |
| Qube Research & Technologies Ltd added | 429,893 | $6M | 1.4% | 2026-Q2 |
| Siren, L.L.C. | 427,141 | $6M | 1.4% | 2026-Q2 |
| TWO SIGMA INVESTMENTS, LP added | 353,390 | $5M | 1.2% | 2026-Q2 |
| BVF INC/IL | 339,549 | $5M | 1.1% | 2026-Q2 |
| Bank of New York Mellon Corp new | 325,296 | $5M | 1.1% | 2026-Q2 |
| Trexquant Investment LP added | 321,604 | $5M | 1.1% | 2026-Q2 |
| BOOTHBAY FUND MANAGEMENT, LLC trimmed | 311,087 | $5M | 1.0% | 2026-Q2 |
| Logos Global Management LP trimmed | 300,000 | $4M | 1.0% | 2026-Q2 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP added | 289,164 | $4M | 1.0% | 2026-Q2 |
| GOLDMAN SACHS GROUP INC added | 274,946 | $4M | 0.9% | 2026-Q2 |
| JANE STREET GROUP, LLC added | 266,656 | $4M | 0.9% | 2026-Q2 |
| Avidity Partners Management LP added | 265,934 | $4M | 0.9% | 2026-Q2 |
| Caption Management, LLC new | 255,000 | $4M | 0.8% | 2026-Q2 |
| DIMENSIONAL FUND ADVISORS LP added | 253,518 | $4M | 0.8% | 2026-Q2 |
| ADAR1 Capital Management, LLC added | 220,462 | $3M | 0.7% | 2026-Q2 |
| NORTHERN TRUST CORP added | 199,134 | $3M | 0.7% | 2026-Q2 |
| ExodusPoint Capital Management, LP added | 184,501 | $3M | 0.6% | 2026-Q2 |
| Ensign Peak Advisors, Inc new | 176,889 | $3M | 0.6% | 2026-Q2 |
| VANGUARD PORTFOLIO MANAGEMENT LLC new | 168,841 | $2M | 0.6% | 2026-Q2 |
| Integral Health Asset Management, LLC | 167,000 | $2M | 0.6% | 2026-Q2 |
| RENAISSANCE TECHNOLOGIES LLC added | 164,000 | $2M | 0.5% | 2026-Q2 |
| Nuveen, LLC new | 161,187 | $2M | 0.5% | 2026-Q2 |
| VANGUARD FIDUCIARY TRUST CO added | 157,042 | $2M | 0.5% | 2026-Q2 |
| PANAGORA ASSET MANAGEMENT INC new | 156,062 | $2M | 0.5% | 2026-Q2 |
| BANK OF AMERICA CORP /DE/ added | 136,428 | $2M | 0.4% | 2026-Q2 |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. new | 132,272 | $2M | 0.4% | 2026-Q2 |
| Verdad Advisers, LP added | 123,174 | $2M | 0.4% | 2026-Q2 |
| SPHERA FUNDS MANAGEMENT LTD. trimmed | 120,200 | $2M | 0.4% | 2026-Q2 |
| RAYMOND JAMES FINANCIAL INC added | 117,482 | $2M | 0.4% | 2026-Q2 |
| XTX Topco Ltd added | 113,767 | $2M | 0.4% | 2026-Q2 |
| Walleye Capital LLC new | 105,237 | $2M | 0.3% | 2026-Q2 |
| UBS Group AG trimmed | 98,143 | $1M | 0.3% | 2026-Q2 |
| STEMPOINT CAPITAL LP trimmed | 96,273 | $1M | 0.3% | 2026-Q2 |
| WELLINGTON MANAGEMENT GROUP LLP new | 95,513 | $1M | 0.3% | 2026-Q2 |
| Creek Drive Management Group LLC added | 74,000 | $1M | 0.2% | 2026-Q2 |
| TD Asset Management Inc trimmed | 73,146 | $1M | 0.2% | 2026-Q2 |
| FRED ALGER MANAGEMENT, LLC new | 71,967 | $1M | 0.2% | 2026-Q2 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC new | 61,174 | $890K | 0.2% | 2026-Q2 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC added | 59,900 | $872K | 0.2% | 2026-Q2 |
| Vestal Point Capital, LP | 53,439 | $778K | 0.2% | 2026-Q2 |
| Man Group plc new | 49,044 | $714K | 0.2% | 2026-Q2 |
| BNP PARIBAS FINANCIAL MARKETS added | 47,835 | $696K | 0.2% | 2026-Q2 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE added | 47,249 | $687K | 0.2% | 2026-Q2 |
| Artia Global Partners LP | 42,080 | $612K | 0.1% | 2026-Q2 |
| Quinn Opportunity Partners LLC new | 40,000 | $582K | 0.1% | 2026-Q2 |
| FRANKLIN RESOURCES INC new | 35,267 | $513K | 0.1% | 2026-Q2 |
| Squarepoint Ops LLC new | 33,334 | $485K | 0.1% | 2026-Q2 |
| RHUMBLINE ADVISERS new | 31,291 | $455K | 0.1% | 2026-Q2 |
| ALPS ADVISORS INC new | 26,924 | $392K | 0.1% | 2026-Q2 |
| DEUTSCHE BANK AG\ new | 24,557 | $357K | 0.1% | 2026-Q2 |
| WELLS FARGO & COMPANY/MN new | 21,084 | $307K | 0.1% | 2026-Q2 |
| SummitTX Capital, L.P. new | 19,993 | $291K | 0.1% | 2026-Q2 |
| ALLIANCEBERNSTEIN L.P. new | 19,900 | $290K | 0.1% | 2026-Q2 |
| MetLife Investment Management, LLC new | 14,940 | $217K | 0.0% | 2026-Q2 |
| Verition Fund Management LLC | 13,589 | $198K | 0.0% | 2026-Q2 |
| Invesco Ltd. new | 13,096 | $191K | 0.0% | 2026-Q2 |
| Corient Private Wealth LP | 12,388 | $180K | 0.0% | 2026-Q2 |
| Vanguard Global Advisers, LLC added | 12,110 | $176K | 0.0% | 2026-Q2 |
| CITIGROUP INC added | 11,623 | $169K | 0.0% | 2026-Q2 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. new | 11,544 | $168K | 0.0% | 2026-Q2 |
| Quantbot Technologies LP new | 10,735 | $156K | 0.0% | 2026-Q2 |
| LETKO, BROSSEAU & ASSOCIATES INC | 10,650 | $155K | 0.0% | 2026-Q2 |
| JPMORGAN CHASE & CO added | 10,511 | $142K | 0.0% | 2026-Q2 |
| SEI INVESTMENTS CO new | 10,110 | $147K | 0.0% | 2026-Q2 |
| DIVERSIFIED TRUST CO new | 10,022 | $146K | 0.0% | 2026-Q2 |
| K2 PRINCIPAL FUND, L.P. new | 10,000 | $146K | 0.0% | 2026-Q2 |
| NEW YORK STATE COMMON RETIREMENT FUND new | 8,800 | $128K | 0.0% | 2026-Q2 |
| BARCLAYS PLC trimmed | 8,054 | $117K | 0.0% | 2026-Q2 |
| Police & Firemen's Retirement System of New Jersey new | 7,425 | $108K | 0.0% | 2026-Q2 |
| STRS OHIO new | 4,900 | $71K | 0.0% | 2026-Q2 |
| China Universal Asset Management Co., Ltd. new | 3,600 | $52K | 0.0% | 2026-Q2 |
| Legal & General Group Plc new | 2,442 | $36K | 0.0% | 2026-Q2 |
| Tower Research Capital LLC (TRC) added | 2,308 | $34K | 0.0% | 2026-Q2 |
| Ameritas Investment Partners, Inc. new | 2,285 | $33K | 0.0% | 2026-Q2 |
| Russell Investments Group, Ltd. new | 2,051 | $30K | 0.0% | 2026-Q2 |
| ROYAL BANK OF CANADA added | 776 | $11K | 0.0% | 2026-Q2 |
| Sterling Capital Management LLC new | 507 | $7K | 0.0% | 2026-Q2 |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.