Eterna Therapeutics Inc. (ERNA) Ownership
ERNA ownership summary
as of October 17, 2026- Institutions
- 2.2% of shares outstanding
- Insiders
- 29.53% of shares outstanding
- Shares outstanding
- 1.6M
- Float
- 1.2M shares available to trade
- Short interest
- 1.64% 20K shares short
- Days to cover
- 0.43 short interest up 37.4% vs prior month
- Institutions 2.18%
- Insiders 29.53%
- Other investors 68.30%
ERNA top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Citadel Advisors Llc | 0.93% | 15K | $31,567 | +13,781 (+1,041.6%) | June 30, 2026 |
| 2 | Vanguard Fiduciary Trust Co | 0.51% | 8,336 | $17,422 | +7,318 (+718.9%) | June 30, 2026 |
| 3 | Dauntless Investment Group, LLC | 0.37% | 6,000 | $12,540 | +6,000 (0.0%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 0.35% | 5,684 | $11,880 | +4,624 (+436.2%) | June 30, 2026 |
| 5 | Tradewinds Capital Management, LLC | 0.02% | 361 | $754 | +361 (0.0%) | June 30, 2026 |
| 6 | BlackRock Inc | <0.01% | 33 | $69 | — | June 30, 2026 |
| 7 | Genworth Financial Wealth Mgmt Inc | <0.01% | 5 | $10 | — | June 30, 2026 |
| 8 | BNP Paribas Arbitrage, SA | <0.01% | 1 | $2 | +1 (0.0%) | June 30, 2026 |
| 9 | SBI Securities Co Ltd | <0.01% | 1 | $2 | +1 (0.0%) | June 30, 2026 |
| 10 | Warberg Asset Management LLC | 0.00% | — | — | −2,000 (−100.0%) | June 30, 2026 |
| 11 | Steward Partners Investment Advisory, LLC | 0.00% | — | — | — | June 30, 2026 |
| 12 | CI Private Wealth LLC | 0.00% | — | — | −17,524 (−100.0%) | June 30, 2026 |
| 13 | Fortitude Family Office LLC | 0.00% | — | — | −804 (−100.0%) | March 31, 2026 |
| 14 | UBS Group AG | 0.00% | — | — | −849 (−100.0%) | June 30, 2026 |
| 15 | Sippican Capital Adivsors | 0.00% | — | — | −400 (−100.0%) | June 30, 2026 |
| 16 | Morgan Stanley - Brokerage Accounts | 0.00% | — | — | −30 (−100.0%) | March 31, 2026 |
| 17 | A. Montag & Associates Inc | 0.00% | — | — | — | June 30, 2026 |
| 18 | Geode Capital Management, LLC | 0.00% | — | — | −9,778 (−100.0%) | June 30, 2026 |
| 19 | Activest Wealth Management | 0.00% | — | — | — | June 30, 2026 |
| 20 | Bank of America Corp | 0.00% | — | — | −34 (−100.0%) | March 31, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 7 holders added 32K shares and 8 cut 31K.
ERNA top mutual fund and ETF holders
3 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Extended Market Index | 0.79% | 13K | $27,034 | +7,361 (+132.1%) | August 31, 2026 |
| 2 | Fidelity Series Total Market Index | 0.10% | 1,602 | $3,348 | — | August 31, 2026 |
| 3 | Cinvest Azero Global FI | 0.03% | 537 | $1,122 | — | July 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
ERNA insider transactions
latest 2| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2022-12-02 | John D Halpern | Buy | $49.20 | 22,394 | $1.1M |
| 2022-12-02 | Nicholas Jason Singer | Buy | $49.20 | 18,885 | $929,142 |
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.
ERNA shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns ERNA
Institutional investors own 2.2% of Eterna Therapeutics's shares and insiders 29.53%. The largest holder is Citadel Advisors Llc with 0.93% of the shares (15K), as of June 30, 2026. Among the top 20 institutions, 7 added shares and 8 reduced their stake in the latest filings. Short interest is 1.64% of the float, or 0.43 days of average trading volume. The share count rose 10,373.3% since 2014.
Related: ERNA analyst forecast, ERNA key metrics. See the ERNA stock overview for the latest quote and news.
ERNA ownership FAQ
Who owns the most Eterna Therapeutics stock?
The largest shareholders of Eterna Therapeutics are Citadel Advisors Llc (0.93%), Vanguard Fiduciary Trust Co (0.51%), Dauntless Investment Group, LLC (0.37%), Vanguard Capital Management, LLC (0.35%), Tradewinds Capital Management, LLC (0.02%).
What percentage of Eterna Therapeutics is owned by institutions?
Institutions hold 2.2% of Eterna Therapeutics's shares outstanding; insiders hold 29.53%.
Which funds own Eterna Therapeutics?
The largest fund holders of Eterna Therapeutics are Fidelity Extended Market Index (0.79%), Fidelity Series Total Market Index (0.10%), Cinvest Azero Global FI (0.03%).
What is Eterna Therapeutics's short interest?
20K shares of Eterna Therapeutics were sold short, 1.64% of the float; at the average daily volume it would take 0.43 days to cover.
Are insiders buying or selling Eterna Therapeutics?
Of the latest 2 reported insider transactions in Eterna Therapeutics (since December 2, 2022), 2 were purchases and 0 were sales.
How many shares of Eterna Therapeutics are outstanding?
Eterna Therapeutics has 1.6M shares outstanding, of which 1.2M are in the public float.