ENDRA Life Sciences Inc. (NDRA) Ownership

NASDAQ: NDRATop holders, insider trades and short interest.

NDRA ownership summary

as of October 18, 2026
Institutions
18.0%
of shares outstanding
Insiders
18.03%
of shares outstanding
Shares outstanding
1.5M
Float
1.4M
shares available to trade
Short interest
1.98%
28K shares short
Days to cover
0.46
short interest down 9.9% vs prior month
  • Institutions 17.98%
  • Insiders 18.03%
  • Other investors 63.99%

NDRA top institutional holders

13 largest
ENDRA Life Sciences Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Altium Capital Management, LP3.95%59K$280,949+7,372 (+14.2%)June 30, 2026
2Citadel Advisors Llc2.00%30K$141,840+29,924 (0.0%)June 30, 2026
3Citizens Financial Group Inc1.89%28K$134,616+28,400 (0.0%)June 30, 2026
4Geode Capital Management, LLC0.99%15K$70,673−6,168 (−29.3%)June 30, 2026
5Vanguard Fiduciary Trust Co0.67%10K$47,974—June 30, 2026
6Vanguard Capital Management, LLC0.49%7,339$34,787+4,523 (+160.6%)June 30, 2026
7Morgan Stanley - Brokerage Accounts0.24%3,546$16,808—June 30, 2026
8UBS Group AG<0.01%68$322−84 (−55.3%)June 30, 2026
9Tower Research Capital LLC<0.01%58$275+58 (0.0%)June 30, 2026
10Northwestern Mutual Wealth Management Co<0.01%19$90—June 30, 2026
11Caitong International Asset Management Co., Limited.0.00%——−4 (−100.0%)June 30, 2026
12Citigroup Inc0.00%——−1 (−100.0%)March 31, 2026
13Bank of America Corp0.00%——−10 (−100.0%)March 31, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 13, 5 holders added 70K shares and 5 cut 6,267.

NDRA top mutual fund and ETF holders

3 largest
ENDRA Life Sciences Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Fidelity Extended Market Index0.44%6,550$31,047−35 (−0.5%)August 31, 2026
2Fidelity Nasdaq Composite Index0.20%2,976$14,106—August 31, 2026
3Fidelity Series Total Market Index0.11%1,597$7,570—August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

NDRA insider transactions

latest 3
ENDRA Life Sciences Inc. insider transactions
DateNameTransactionPriceSharesValue
2024-08-27Group Ag UbsBuy$19.25106$2,040
2023-05-18Michael Milos ThorntonBuy$2,887.508$23,100
2023-05-02Anthony DigiandomenicoBuy$2,100.0047$98,700

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.

NDRA shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns NDRA

Institutional investors own 18.0% of ENDRA Life Sciences's shares and insiders 18.03%. The largest holder is Altium Capital Management, LP with 3.95% of the shares (59K), as of June 30, 2026. Among the top 13 institutions, 5 added shares and 5 reduced their stake in the latest filings. Short interest is 1.98% of the float, or 0.46 days of average trading volume. The share count rose 302.8% since 2015.

Related: NDRA analyst forecast, NDRA key metrics. See the NDRA stock overview for the latest quote and news.

NDRA ownership FAQ

Who owns the most ENDRA Life Sciences stock?

The largest shareholders of ENDRA Life Sciences are Altium Capital Management, LP (3.95%), Citadel Advisors Llc (2.00%), Citizens Financial Group Inc (1.89%), Geode Capital Management, LLC (0.99%), Vanguard Fiduciary Trust Co (0.67%).

What percentage of ENDRA Life Sciences is owned by institutions?

Institutions hold 18.0% of ENDRA Life Sciences's shares outstanding; insiders hold 18.03%.

Which funds own ENDRA Life Sciences?

The largest fund holders of ENDRA Life Sciences are Fidelity Extended Market Index (0.44%), Fidelity Nasdaq Composite Index (0.20%), Fidelity Series Total Market Index (0.11%).

What is ENDRA Life Sciences's short interest?

28K shares of ENDRA Life Sciences were sold short, 1.98% of the float; at the average daily volume it would take 0.46 days to cover.

Are insiders buying or selling ENDRA Life Sciences?

Of the latest 3 reported insider transactions in ENDRA Life Sciences (since May 2, 2023), 3 were purchases and 0 were sales.

How many shares of ENDRA Life Sciences are outstanding?

ENDRA Life Sciences has 1.5M shares outstanding, of which 1.4M are in the public float.

Diagnostics & Research: ownership