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Alto Neuroscience, Inc. (ANRO)

Healthcare | Biotechnology | Mountain View, United States | NYSE
35.13 USD -1.17 (-3.223%) ⇩ (Aug. 28, 2026, 4 p.m. EDT)
After hours: 34.44 -0.69 (-0.690%) ⇩ (Aug. 28, 2026, 7:32 p.m. EDT)

Short-term:★★⯪☆☆Long-term:★☆☆☆☆Dividends:☆☆☆☆☆
Hot Take | Aug. 22, 2026, 5:11 a.m. EDT

The investment case for Alto Neuroscience is currently defined by a stark divergence between its pristine balance sheet and its deteriorating operational reality. While the company boasts a fortress-like liquidity position with a current ratio of nearly 15x and minimal debt, providing ample runway for R&D, the business fundamentals are under severe stress. The stock has erased more than two-thirds of its value over the last year, and the recent failure of a schizophrenia study has compounded investor concerns, leading to a 'value trap' scenario where the low price reflects genuine execution risks rather than a margin of safety. Short-term, the technical setup remains fragile. Despite a recent bounce off the lows, the stock is still trading well below its 50-day moving average, and the statistical forecasting models offer no directional edge, citing low confidence in the upcoming price movement. This lack of statistical support, combined with the recent clinical trial disappointment, suggests the near-term trend is likely to remain range-bound or drift lower until a catalyst emerges. Options activity confirms this defensive posture. The market is heavily skewed toward selling insurance via put purchases at lower strikes, indicating that speculators expect volatility and potential further declines rather than a rally. There is no significant call wall or bullish positioning to suggest a reversal is imminent. Long-term, the story is one of high-risk potential. The company holds a dominant competitive position in the anhedonia space, which could be transformative if approved, but the path to profitability is obscured by persistent losses and negative returns on equity. Until there is clear evidence of revenue generation or a successful pivotal trial, the risk-reward profile remains unfavorable for a buy-and-hold strategy. The current price reflects the market's skepticism about the company's ability to navigate these hurdles successfully.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoETS ✓0.229964
AutoARIMA0.231251
MSTL0.234587
AutoTheta0.253400

Forecast horizon: 45 days | Selected: AutoETS

Forecast Reliability
Score 33%
H-stat 11.37
Ljung-Box p 0.000
Jarque-Bera p 0.033
Excess Kurtosis -0.53
Attribute Value
Sector Healthcare
Debt to Equity Ratio 10.624
Market Cap 1,378,575,104
Forward P/E -10.69
Beta 1.09
Website https://www.altoneuroscience.com

As of Aug. 22, 2026, 5:11 a.m. EDT: Speculators are aggressively positioning for downside protection with heavy put volume and open interest at strikes 22.5 and 25.0 across multiple expirations, including significant new flow where volume exceeds existing open interest. Conversely, call activity is concentrated at higher strikes (35.0 and 40.0) with lower open interest relative to volume, suggesting limited conviction in immediate upside despite some speculative buying at the 40 strike.


Info Dump

Attribute Value
52 Week Change 8.35567
Address1 650 Castro Street
Address2 Suite 450
All Time High 37.48
All Time Low 1.6
Ask 35.37
Ask Size 400
Average Analyst Rating 1.2 - Strong Buy
Average Daily Volume10 Day 509,710
Average Daily Volume3 Month 541,216
Average Volume 541,216
Average Volume10Days 509,710
Beta 1.09
Bid 35.21
Bid Size 300
Book Value 6.247
City Mountain View
Compensation As Of Epoch Date 1,767,139,200
Country United States
Crypto Tradeable 0
Currency USD
Current Price 35.13
Current Ratio 14.852
Custom Price Alert Confidence HIGH
Date Short Interest 1,786,665,600
Day High 35.705
Day Low 34.7301
Debt To Equity 10.624
Display Name Alto Neuroscience
Earnings Timestamp End 1,794,427,200
Earnings Timestamp Start 1,794,427,200
Ebitda -87,584,000
Ebitda Margins 0.0
Enterprise To Ebitda -13.747
Enterprise Value 1,204,049,408
Eps Current Year -2.92167
Eps Forward -3.28571
Eps Trailing Twelve Months -2.32
Esg Populated 0
Exchange NYQ
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 28.4684
Fifty Day Average Change 6.661602
Fifty Day Average Change Percent 0.23399988
Fifty Two Week Change Percent 835.567
Fifty Two Week High 37.48
Fifty Two Week High Change -2.3499985
Fifty Two Week High Change Percent -0.06270007
Fifty Two Week Low 3.41
Fifty Two Week Low Change 31.720001
Fifty Two Week Low Change Percent 9.3020525
Fifty Two Week Range 3.41 - 37.48
Financial Currency USD
First Trade Date Milliseconds 1,706,884,200,000
Float Shares 29,649,372
Forward Eps -3.28571
Forward P E -10.691753
Free Cashflow -42,895,752
Full Exchange Name NYSE
Full Time Employees 68
Fullday Change -1.17
Fullday Change Percent -3.22314
Fullday Price 34.44
Gmt Off Set Milliseconds -14,400,000
Gross Margins 0.0
Has Pre Post Market Data 1
Held Percent Insiders 0.040710002
Held Percent Institutions 0.86978996
Implied Shares Outstanding 39,242,104
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 1,378,575,104
Market State CLOSED
Max Age 86,400
Message Board Id finmb_1675972978
Most Recent Quarter 1,782,777,600
Net Income To Common -84,238,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 1,424,488,375
Number Of Analyst Opinions 10
Open 35.0
Operating Cashflow -68,285,000
Operating Margins 0.0
Payout Ratio 0.0
Phone 650 200 0412
Post Market Change -0.69000244
Post Market Change Percent -1.96414
Post Market Price 34.44
Post Market Time 1,787,959,932
Previous Close 36.3
Price Eps Current Year -12.023946
Price Hint 2
Price To Book 5.6234994
Profit Margins 0.0
Quick Ratio 14.637
Quote Source Name Delayed Quote
Quote Type EQUITY
Recommendation Key strong_buy
Recommendation Mean 1.18182
Region US
Regular Market Change -1.17
Regular Market Change Percent -3.22314
Regular Market Day High 35.705
Regular Market Day Low 34.7301
Regular Market Day Range 34.7301 - 35.705
Regular Market Open 35.0
Regular Market Previous Close 36.3
Regular Market Price 35.13
Regular Market Time 1,787,947,202
Regular Market Volume 246,713
Return On Assets -0.26786
Return On Equity -0.49167
Sand P52 Week Change 0.1966995
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Shares Outstanding 39,242,104
Shares Percent Shares Out 0.09060001
Shares Short 3,556,066
Shares Short Previous Month Date 1,784,073,600
Shares Short Prior Month 3,096,805
Short Name Alto Neuroscience, Inc.
Short Percent Of Float 0.1062
Short Ratio 7.79
Source Interval 15
State CA
Symbol ANRO
Target High Price 55.0
Target Low Price 26.0
Target Mean Price 38.382
Target Median Price 37.0
Total Cash 243,732,992
Total Cash Per Share 6.211
Total Debt 23,294,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -2.32
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 21.5732
Two Hundred Day Average Change 13.556801
Two Hundred Day Average Change Percent 0.6284093
Type Disp Equity
Volume 246,713
Website https://www.altoneuroscience.com
Zip 94,041