Tenaya Therapeutics, Inc. (TNYA) Ownership
TNYA ownership summary
as of October 18, 2026- Institutions
- 48.9% of shares outstanding
- Insiders
- 0.48% of shares outstanding
- Shares outstanding
- 224.2M
- Float
- 211.7M shares available to trade
- Short interest
- 13.17% 22.9M shares short
- Days to cover
- 9.61 short interest up 5.9% vs prior month
- Institutions 48.89%
- Insiders 0.48%
- Other investors 50.63%
TNYA top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard Capital Management, LLC | 3.17% | 7.1M | $2.7M | −1.4M (−16.3%) | June 30, 2026 |
| 2 | Millennium Management LLC | 2.87% | 6.4M | $2.4M | +972,982 (+17.8%) | June 30, 2026 |
| 3 | Citadel Advisors Llc | 2.04% | 4.6M | $1.7M | +366,774 (+8.7%) | June 30, 2026 |
| 4 | Renaissance Technologies Corp | 1.91% | 4.3M | $1.6M | +567,339 (+15.3%) | June 30, 2026 |
| 5 | BlackRock Inc | 1.79% | 4.0M | $1.5M | +304,764 (+8.2%) | June 30, 2026 |
| 6 | Empery Asset Management, LP | 1.72% | 3.9M | $1.5M | −423,818 (−9.9%) | June 30, 2026 |
| 7 | Marshall Wace Asset Management Ltd | 1.56% | 3.5M | $1.3M | +797,788 (+29.5%) | June 30, 2026 |
| 8 | GSA Capital Partners LLP | 1.19% | 2.7M | $1.0M | +1.6M (+148.8%) | June 30, 2026 |
| 9 | Burkehill Global Management, LP | 0.89% | 2.0M | $761,400 | — | June 30, 2026 |
| 10 | Geode Capital Management, LLC | 0.82% | 1.8M | $698,460 | +274,735 (+17.6%) | June 30, 2026 |
| 11 | ADAR1 Capital Management LLC | 0.69% | 1.6M | $592,179 | +47,700 (+3.2%) | June 30, 2026 |
| 12 | Raiffeisen Bank International AG | 0.54% | 1.2M | $456,840 | +200,000 (+20.0%) | June 30, 2026 |
| 13 | Euclidean Capital LLC | 0.45% | 1.0M | $386,679 | — | June 30, 2026 |
| 14 | Vanguard Fiduciary Trust Co | 0.44% | 988K | $375,943 | −28,197 (−2.8%) | June 30, 2026 |
| 15 | Mirador Capital Partners LP | 0.40% | 905K | $344,570 | +18,180 (+2.0%) | June 30, 2026 |
| 16 | State Street Corp | 0.32% | 709K | $269,810 | — | June 30, 2026 |
| 17 | Squarepoint Ops LLC | 0.29% | 659K | $250,975 | +310,979 (+89.3%) | June 30, 2026 |
| 18 | StepStone Group LLC | 0.21% | 462K | $175,945 | — | June 30, 2026 |
| 19 | UBS Group AG | 0.20% | 457K | $173,810 | −208,625 (−31.4%) | June 30, 2026 |
| 20 | Jane Street Group LLC | 0.20% | 450K | $171,481 | −729,646 (−61.8%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 5.5M shares and 5 cut 2.8M.
TNYA top mutual fund and ETF holders
18 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.29% | 5.1M | $2.0M | — | August 31, 2026 |
| 2 | iShares Biotechnology ETF | 0.73% | 1.6M | $626,818 | −12,472 (−0.8%) | September 30, 2026 |
| 3 | Raiffeisen-Health&Wellbeing-ESG Akt A | 0.54% | 1.2M | $456,840 | — | August 31, 2026 |
| 4 | Fidelity Extended Market Index | 0.25% | 550K | $209,494 | −2,957 (−0.5%) | August 31, 2026 |
| 5 | Fidelity Total Market Index | 0.14% | 303K | $115,310 | — | August 31, 2026 |
| 6 | Fidelity Series Total Market Index | 0.10% | 231K | $88,063 | — | August 31, 2026 |
| 7 | Invesco RAFI US 1500 Small-Mid ETF | 0.10% | 222K | $84,674 | — | September 30, 2026 |
| 8 | iShares Nasdaq US Biotech ETF USD Acc | 0.08% | 185K | $70,474 | +1,612 (+0.9%) | September 30, 2026 |
| 9 | Invesco NASDAQ Future Gen 200 ETF | 0.08% | 174K | $66,389 | — | September 30, 2026 |
| 10 | Goldman Sachs Absolute Ret Trckr Instl | 0.07% | 162K | $61,619 | +148,416 (+1,104.2%) | June 30, 2026 |
| 11 | Fidelity Nasdaq Composite Index | 0.06% | 132K | $50,177 | — | August 31, 2026 |
| 12 | Vanguard MStar Inst Ttl StkMktIdxInstlPl | 0.05% | 113K | $43,107 | — | August 31, 2026 |
| 13 | Vanguard Balanced Index Inv | 0.04% | 83K | $31,697 | — | August 31, 2026 |
| 14 | Vanguard U.S. Eq Idx £ Acc | 0.02% | 50K | $19,062 | — | August 31, 2026 |
| 15 | China Universal NASDAQ Bio-Tch ETF(QDII) | 0.02% | 35K | $13,147 | +7,403 (+27.3%) | June 30, 2026 |
| 16 | T. Rowe Price Total Equity Market Idx | 0.01% | 32K | $12,121 | +386 (+1.2%) | August 31, 2026 |
| 17 | Victory Extended Market Index | 0.01% | 24K | $9,287 | +5,904 (+31.9%) | June 30, 2026 |
| 18 | Invesco Nasdaq Biotechnology ETF | 0.01% | 15K | $5,755 | +686 (+4.8%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
TNYA insider transactions
latest 16| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-25 | Group Gp Lp Column III | Sell | $0.56 | 3,511,826 | $2.0M |
| 2026-02-24 | Group Gp Lp Column III | Sell | $0.62 | 658,440 | $408,233 |
| 2026-02-17 | Faraz Ali | Sell | $0.64 | 14,862 | $9,512 |
| 2026-02-17 | Tomohiro Higa | Sell | $0.64 | 3,469 | $2,220 |
| 2026-02-17 | Whittemore Tingley | Sell | $0.64 | 5,160 | $3,302 |
| 2026-02-11 | Group Gp Lp Column III | Sell | $0.68 | 4,056,573 | $2.8M |
| 2026-02-10 | Group Gp Lp Column III | Sell | $0.82 | 343,717 | $281,848 |
| 2025-11-17 | Faraz Ali | Sell | $1.33 | 3,126 | $4,158 |
| 2025-11-17 | Tomohiro Higa | Sell | $1.33 | 1,367 | $1,818 |
| 2025-11-17 | Whittemore Tingley | Sell | $1.33 | 2,877 | $3,826 |
| 2025-08-18 | Faraz Ali | Sell | $1.25 | 14,533 | $18,166 |
| 2025-08-18 | Tomohiro Higa | Sell | $1.25 | 2,962 | $3,702 |
| 2025-08-18 | Whittemore Tingley | Sell | $1.25 | 5,053 | $6,316 |
| 2025-05-16 | Faraz Ali | Sell | $0.44 | 3,189 | $1,403 |
| 2025-05-16 | Tomohiro Higa | Sell | $0.44 | 1,390 | $612 |
| 2025-05-16 | Whittemore Tingley | Sell | $0.44 | 2,937 | $1,292 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
TNYA shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns TNYA
Institutional investors own 48.9% of Tenaya Therapeutics's shares and insiders 0.48%. The largest holder is Vanguard Capital Management, LLC with 3.17% of the shares (7.1M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 5 reduced their stake in the latest filings. Short interest is 13.17% of the float, or 9.61 days of average trading volume. The share count rose 15,197.1% since 2019.
Related: TNYA analyst forecast, TNYA key metrics. See the TNYA stock overview for the latest quote and news.
TNYA ownership FAQ
Who owns the most Tenaya Therapeutics stock?
The largest shareholders of Tenaya Therapeutics are Vanguard Capital Management, LLC (3.17%), Millennium Management LLC (2.87%), Citadel Advisors Llc (2.04%), Renaissance Technologies Corp (1.91%), BlackRock Inc (1.79%).
What percentage of Tenaya Therapeutics is owned by institutions?
Institutions hold 48.9% of Tenaya Therapeutics's shares outstanding; insiders hold 0.48%.
Which funds own Tenaya Therapeutics?
The largest fund holders of Tenaya Therapeutics are Vanguard MStar Total Stk Mkt Idx Invest (2.29%), iShares Biotechnology ETF (0.73%), Raiffeisen-Health&Wellbeing-ESG Akt A (0.54%), Fidelity Extended Market Index (0.25%), Fidelity Total Market Index (0.14%).
What is Tenaya Therapeutics's short interest?
22.9M shares of Tenaya Therapeutics were sold short, 13.17% of the float; at the average daily volume it would take 9.61 days to cover.
Are insiders buying or selling Tenaya Therapeutics?
Of the latest 16 reported insider transactions in Tenaya Therapeutics (since May 16, 2025), 0 were purchases and 16 were sales.
How many shares of Tenaya Therapeutics are outstanding?
Tenaya Therapeutics has 224.2M shares outstanding, of which 211.7M are in the public float.