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Alto Neuroscience, Inc. (ANRO)

Healthcare | Biotechnology | Mountain View, United States | NYSE
28.03 USD +1.55 (5.853%) ⇧ (July 13, 2026, 4 p.m. EDT)
After hours: 28.85 +0.82 (2.925%) ⇧ (July 13, 2026, 7:58 p.m. EDT)

Short-term:★★⯪☆☆Long-term:★☆☆☆☆Dividends:☆☆☆☆☆
Hot Take | July 11, 2026, 2:50 a.m. EDT

The investment case for Alto Neuroscience is currently broken by a catastrophic multi-year price collapse and deteriorating fundamentals. Despite a 'strong buy' analyst recommendation and a target price implying significant upside, the stock has lost over 80% of its value in the last year, a signal that the market has thoroughly reassessed the business quality and stripped away any prior premium. The company is burning cash with negative free cash flow and negative returns on equity, and there is no dividend to provide income or a floor. While the biotech sector often rewards catalysts, the current trajectory suggests the market is pricing in a failure of the current pipeline or execution. The options market confirms this pessimism, with traders aggressively buying cheap insurance against further drops rather than betting on a recovery. Until the company demonstrates a sustained turnaround in revenue growth or a definitive path to profitability that justifies the massive valuation gap, this remains a speculative trap for capital preservation.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
MSTL_55 ✓0.084360
AutoTheta0.117326
AutoETS0.117352
MSTL0.123252
MSTL_55_1020.153629
MSTL_1020.179799
AutoARIMA0.388260

Forecast horizon: 60 days | Selected: MSTL_55

Forecast Reliability
Score 28%
H-stat 1.22
Ljung-Box p 0.000
Jarque-Bera p 0.012
Excess Kurtosis 0.65
Attribute Value
Sector Healthcare
Debt to Equity Ratio 9.539
Market Cap 983,683,136
Forward P/E -8.16
Beta 1.07
Website https://www.altoneuroscience.com

As of July 11, 2026, 2:50 a.m. EDT: Speculators are heavily positioned for downside protection with deep out-of-the-money puts showing massive open interest relative to volume, while call activity is sparse and concentrated at lower strikes. The implied volatility skew is extreme, with deep puts trading at significantly higher IV than calls, indicating a market consensus of high probability for further decline rather than a rally.


Info Dump

Attribute Value
52 Week Change 8.880597
Address1 650 Castro Street
Address2 Suite 450
All Time High 28.441
All Time Low 1.6
Ask 28.97
Ask Size 200
Average Daily Volume10 Day 955,230
Average Daily Volume3 Month 434,752
Average Volume 434,752
Average Volume10Days 955,230
Beta 1.066
Bid 28.4
Bid Size 400
Book Value 6.943
City Mountain View
Compensation As Of Epoch Date 1,767,139,200
Country United States
Crypto Tradeable 0
Currency USD
Current Price 28.03
Current Ratio 20.52
Custom Price Alert Confidence HIGH
Date Short Interest 1,782,777,600
Day High 28.4
Day Low 25.5
Debt To Equity 9.539
Display Name Alto Neuroscience
Earnings Timestamp 1,778,675,400
Earnings Timestamp End 1,786,537,800
Earnings Timestamp Start 1,786,537,800
Ebitda -77,152,000
Ebitda Margins 0.0
Enterprise To Ebitda -9.632
Enterprise Value 743,136,128
Eps Current Year -3.145
Eps Forward -3.43333
Eps Trailing Twelve Months -2.43
Esg Populated 0
Exchange NYQ
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 22.9954
Fifty Day Average Change 5.034601
Fifty Day Average Change Percent 0.2189395
Fifty Two Week Change Percent 888.0597
Fifty Two Week High 28.441
Fifty Two Week High Change -0.4109993
Fifty Two Week High Change Percent -0.014450944
Fifty Two Week Low 2.53
Fifty Two Week Low Change 25.5
Fifty Two Week Low Change Percent 10.079052
Fifty Two Week Range 2.53 - 28.441
Financial Currency USD
First Trade Date Milliseconds 1,706,884,200,000
Float Shares 23,659,282
Forward Eps -3.43333
Forward P E -8.164085
Free Cashflow -40,370,248
Full Exchange Name NYSE
Full Time Employees 68
Gmt Off Set Milliseconds -14,400,000
Gross Margins 0.0
Has Pre Post Market Data 1
Held Percent Insiders 0.04552
Held Percent Institutions 0.82093
Implied Shares Outstanding 35,093,940
Industry Biotechnology
Industry Disp Biotechnology
Industry Key biotechnology
Is Earnings Date Estimate 1
Language en-US
Last Fiscal Year End 1,767,139,200
Long Business Summary Alto Neuroscience, Inc. operates as a clinical-stage biopharmaceutical company in the United States. The company's product pipeline includes ALTO-100, which is in Phase 2b clinical trial for the treatment of patients with bipolar depression (BPD). It also develops ALTO-300, a small molecule melatonergic agonist and serotonergic antagonist with antidepressant properties, which is in Phase 2b clinical trial to treat patients with major depressive disorder (MDD); ALTO-101, a novel small molecule phosphodiesterase 4 inhibitor that is in Phase 2 proof-of-concept (POC) trial for the treatment of cognitive impairment associated with schizophrenia; ALTO-203, a novel small-molecule histamine H3 receptor inverse agonist, which is in Phase 2 POC trial to treat patients with MDD and higher levels of anhedonia; ALTO-202, an investigational orally bioavailable antagonist of the GluN2B subunit of the NMDA receptor that is in Phase 1 clinical trial for the treatment of MDD; and ALTO-208, a fixed-dose combination of pramipexole and aprepitant, an antiemetic, neurokinin-1 (NK-1) receptor antagonist for patients with Parkinson's disease for patients with Parkinson's disease. The company was incorporated in 2019 and is headquartered in Mountain View, California.
Market us_market
Market Cap 983,683,136
Market State POSTPOST
Max Age 86,400
Message Board Id finmb_1675972978
Most Recent Quarter 1,774,915,200
Net Income To Common -74,306,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 929,287,531
Number Of Analyst Opinions 11
Open 26.45
Operating Cashflow -62,304,000
Operating Margins 0.0
Payout Ratio 0.0
Phone 650 200 0412
Post Market Change 0.8199997
Post Market Change Percent 2.9254358
Post Market Price 28.85
Post Market Time 1,783,987,137
Previous Close 26.48
Price Eps Current Year -8.9125595
Price Hint 2
Price To Book 4.03716
Profit Margins 0.0
Quick Ratio 20.111
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key none
Region US
Regular Market Change 1.55
Regular Market Change Percent 5.85348
Regular Market Day High 28.4
Regular Market Day Low 25.5
Regular Market Day Range 25.5 - 28.4
Regular Market Open 26.45
Regular Market Previous Close 26.48
Regular Market Price 28.03
Regular Market Time 1,783,972,802
Regular Market Volume 2,079,405
Return On Assets -0.21706
Return On Equity -0.38856
Sand P52 Week Change 0.20847368
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Shares Outstanding 35,093,940
Shares Percent Shares Out 0.0687
Shares Short 2,410,038
Shares Short Previous Month Date 1,780,012,800
Shares Short Prior Month 1,692,318
Short Name Alto Neuroscience, Inc.
Short Percent Of Float 0.082100004
Short Ratio 4.16
Source Interval 15
State CA
Symbol ANRO
Target High Price 50.0
Target Low Price 24.0
Target Mean Price 35.13
Target Median Price 35.0
Total Cash 263,762,000
Total Cash Per Share 7.516
Total Debt 23,215,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -2.43
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 17.8788
Two Hundred Day Average Change 10.151201
Two Hundred Day Average Change Percent 0.5677787
Type Disp Equity
Volume 2,079,405
Website https://www.altoneuroscience.com
Zip 94,041