ANRO
Alto Neuroscience Inc.
NYSE · usd
Alto Neuroscience Inc. (ANRO) trades at $22.11 (+0.64%) as of 4:10:04 PM EDT on Oct 26, 2026, -16.53% over the past month. Market cap is $862.15M, with 6.5 days to cover in short interest.
Stock performance
How Alto Neuroscience Inc. (ANRO) stock has performed from one day to one year, with its 52-week range.
- 1D
- +0.64%
- 1W
- -3.11%
- 1M
- -16.53%
- YTD
- +24.21%
- 1Y
- +80.49%
- 52-wk range
- $10.20 – $37.48
Key statistics
Today's trading snapshot for ANRO: day range, open, previous close, volume and market cap.
- Day range
- $21.70 – $22.26
- Open
- $22.17
- Prev close
- $21.97
- Volume
- 550.06K
- Market cap
- $862.15M
- Shares out
- 39.24M
Valuation and profitability ratios: P/E, P/S, ROE
Valuation and profitability ratios for Alto Neuroscience Inc.: P/E, P/S, P/B, ROE and more.
- P/E
- —
- P/S
- —
- P/B
- 3.93
- P/FCF
- —
- ROE
- -38.4%
- ROA
- -33.2%
- Debt/Equity
- 0.09
- Div yield
- 0.00%
As of Oct 23, 2026
8-K filings
Material corporate events Alto Neuroscience Inc. has disclosed to the SEC on Form 8-K.
- Executive compensation changeAug 27, 2026
In connection with Mr. Smith's promotion to President and Chief Financial Officer, on the Effective Date, the Company entered into a promotion and retention agreement (the "Promotion and Retention Agreement") with Mr. Smith. Pursuant to the Promotion and Retention Agreement, the Company has agreed to pay Mr. Smith a cash retention payment (the "Retention Payment") which shall be paid as follows: (1) $3,000,000 payable within ten days of the Effective Date and (2) $3,000,000 payable on the twelve-month anniversary of the Effective Date.
- Underwriting agreementJul 14, 2026
On July 13, 2026, Alto Neuroscience, Inc. entered into an underwriting agreement (the 'Underwriting Agreement') with BofA Securities, Inc., as representative of the several underwriters set forth therein (collectively, the 'Underwriters'), to issue and sell 3,776,436 shares of common stock. BofA Securities, Inc., Stifel, Nicolaus & Company, Incorporated, William Blair & Company, L.L.C., and Robert W. Baird & Co. Incorporated are acting as the joint book-running managers for the Offering.
- Preliminary resultsJul 13, 2026
Based upon preliminary estimates and information available to the Company, it estimates that its cash, cash equivalents and restricted cash were approximately $244.2 million as of June 30, 2026. This amount has not been audited, reviewed, or compiled by the Company's independent registered public accounting firm.
- Executive compensation changeMay 28, 2026
Dr. Miller will be paid a $40,000 annual cash retainer for his service on the Board, plus a $5,000 annual cash retainer for his service on the NCGC, plus additional amounts for service on any additional committee(s) to which he may be appointed, paid in equal quarterly installments, payable in arrears on the last day of each fiscal quarter in which the service occurred and pro-rated based on the number of actual days served by him during such quarter.
- Clinical trial resultsApr 1, 2026
Alto Neuroscience, Inc. issued a press release entitled 'Alto Neuroscience Reports Topline Data from Phase 2 Proof-of-Concept Study of ALTO-101 and Highlights Pipeline Advancements.'
ANRO short interest
How heavily ANRO is shorted: shares short, days to cover and average daily volume.
- Days to cover
- 6.5
- Short interest
- 4.66M
- Avg volume
- 718.19K
As of · reported to FINRA twice monthly.
ANRO news
The latest news and headlines about Alto Neuroscience Inc. (ANRO).
- Here's Why You Should Add ANRO Stock to Your Portfolio NowpositiveZacks Investment Research· Oct 14, 2026
- Psychedelic Medicine Advances: Here Are Five Companies Targeting CNS DisorderspositiveBenzinga· Feb 26, 2026
- ALTO ALERT: Bragar Eagel & Squire, P.C. is Investigating Alto Neuroscience, Inc. on Behalf of Long-Term Stockholders and Encourages Investors to Contact the FirmnegativeGlobeNewswire Inc.· Oct 7, 2025
- Investors who lost money on Alto Neuroscience, Inc.(ANRO) should contact Levi & Korsinsky about pending Class Action - ANROnegativeGlobeNewswire Inc.· Sep 19, 2025
- ANRO DEADLINE TODAY: ROSEN, A HIGHLY RECOGNIZED LAW FIRM, Encourages Alto Neuroscience, Inc. Investors to Secure Counsel Before Important September 19 Deadline in Securities Class Action - ANROnegativeGlobeNewswire Inc.· Sep 19, 2025
Frequently asked questions
What is the Alto Neuroscience Inc. (ANRO) stock price today?
Alto Neuroscience Inc. (ANRO) is trading at $22.11 (+0.64% on the day) as of 4:10:04 PM EDT on Oct 26, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.
What is Alto Neuroscience Inc.?
Alto Neuroscience Inc is a clinical-stage biopharmaceutical company with a mission to redefine psychiatry by leveraging individual's neurobiology to develop personalized and effective treatment options.
What is the short interest in ANRO?
As of Sep 30, 2026, ANRO has 4.66M shares short and 6.5 days to cover.
What exchange is ANRO listed on?
Alto Neuroscience Inc. (ANRO) trades on NYSE in USD, in the PHARMACEUTICAL PREPARATIONS industry.
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