Stocks/ANRO

ANRO

Alto Neuroscience, Inc.
Healthcare·Biotechnology
$20.07
$704M market cap
Revenue
$0.0M
Free Cash Flow
$-39.2M
Rev Growth
+0.0%
FCF Margin
0.0%
P/FCF
--
EV/FCF
--
Fwd EV/EBITDA
--
Fair Value
--
Upside
--

Alto Neuroscience, Inc. operates as a clinical-stage biopharmaceutical company that engages in the psychiatry drug development business. The company develops ALTO-100 for the treatment of patients with major depressive disorder (MDD) and post-traumatic stress disorder; ALTO-300, a small molecule melatonergic agonist and serotonergic antagonist with antidepressant properties to treat patients with MDD; and ALTO-101, a novel small molecule phosphodiesterase 4 inhibitor for the treatment of cogniti

2-Year Price History

$21.22+77.4%
$5.0$10$15$20$25volMay 24Sep 24Jan 25May 25Sep 25Jan 26May 26

Quarterly Financials & Projections

Quarterly Waterfall ($ M)
PeriodRevEBITDAOpInNIOCFFCFCapExCashDebtSharesROICIntCovEV/EBITDA
Act2026-Q10.0-27.0-27.1-26.2-27.1-27.7-0.6263.85.732.9-74.2%-49.5x--
Act2025-Q40.0-15.5115.7-16.2-11.5-11.5-0.0176.524.031.9633.2%-26.9x--

Valuation & Metrics

Market Stats

Price$20.07
Market Cap$704M
Enterprise Value$446M
P/S Ratio0.0x
P/FCF--
EV/FCF--
FCF Margin (TTM)0.0%
FCF Yield-5.6%
Dividend Yield (TTM)--
Annual Dilution0.0%
CurrencyUSD

TTM Financial Snapshot

Revenue$0.0M
Net Income$-42.4M
Free Cash Flow$-39.2M

Revenue Growth (YoY)+0.0%
EBITDA Margin0.0%
Net Margin0.0%
FCF Margin0.0%
CapEx % of Revenue0.0%
SBC % of Revenue0.0%
ROIC279.5%
WC Change % Rev0.0%
Interest Coverage-37.9x

Forward Outlook & Risk

Short Interest

Short % of Float--
Short Shares1.6M
Days to Cover6.1
Change (vs Prior)-27.6%
Need at least 2 settlement dates for chart

Employees

Headcount76
Revenue / Employee$0
Gross Profit / Employee$-2,421

Institutional Ownership

Headline & net flow

NEUTRAL
Net flow · still filing
No float data — flow unavailable.

Ownership composition

Active
70.4%(+65.6% YoY)
96 filers
hedge / family / endowment
Retail funds
Fidelity, Schwab, 401(k)
Passive
9.2%(+8.0% YoY)
9 filers
Vanguard, iShares, SPDR
Market makers
0.8%(+0.8% YoY)
5 filers
Citadel, Susquehanna
Insiders
Form 4 — latest per insider
0%25%50%75%100%2024-032024-092025-032025-092026-03
ActiveRetail fundsPassiveMarket makersRetail direct

Top holders

Fund$ valueCost basisΔ QoQΔ YoYα lifeFund AUM
Falcon Edge Capital LP$83.4M$15.35+$0+$0+0.8%$791M
Commodore Capital LP$61.2M$19.35+$20.2M+$61.2M-0.2%$1.73B
Vestal Point Capital, LP$46.4M$14.75−$9.5M+$25.8M-0.1%$3.58B
PERCEPTIVE ADVISORS LLC$45.2M$17.26+$5.1M+$45.2M-1.4%$5.05B
Spruce Street Capital LP$29.1M$21.69+$24.8M+$29.1M+54.0%$416M
VANGUARD CAPITAL MANAGEMENT LLCPassive$27.1M$22.48+$27.1M+$27.1M$4.04T
FRANKLIN RESOURCES INC$24.8M$13.44−$398K−$1.4M-0.2%$403.03B
Vivo Capital, LLC$23.3M$17.80+$0+$23.3M-7.0%$1.20B
ARMISTICE CAPITAL, LLC$20.5M$3.00−$14.0M−$15.5M-11.3%$3.03B
MILLENNIUM MANAGEMENT LLC$18.5M$13.43+$4.3M+$18.1M-0.5%$127.40B
72 Investment Holdings, LLC$15.0M$15.35+$0+$0-17.0%$49.6M
BlackRock, Inc.Passive$15.0M$12.52+$1.3M−$17.8M-0.2%$5.69T
Ikarian Capital, LLC$11.6M$11.51+$0+$7.6M-8.9%$698M
Point72 Asset Management, L.P.$11.3M$11.51−$24.8M−$16.6M+0.9%$54.88B
Affinity Asset Advisors, LLC$11.2M$22.48+$11.2M+$11.2M+0.5%$1.60B
Integral Health Asset Management, LLC$11.2M$8.18+$2.8M+$2.2M-0.5%$1.64B
VR Adviser, LLC$11.2M$22.48+$11.2M+$11.2M-1.9%$2.68B
DRIEHAUS CAPITAL MANAGEMENT LLC$10.9M$19.24+$3.4M+$10.9M+0.3%$13.60B
NORTHERN TRUST CORPPassive$10.6M$6.98−$22K−$2.6M-0.2%$755.34B
JENNISON ASSOCIATES LLC$8.7M$13.59−$10.0M+$8.7M+2.7%$145.31B
Cost basis is a volume-weighted estimate from accumulation periods within our 13F history; holders who built their position before our window started will show a stale basis. % above the cost basis is the unrealized gain at the current price.

Trading behavior

Smart-money alpha (lifetime, %/qtr)BULLISH
Holders
+1.46%
avg per quarter
Holders (ex-self)
+1.47%
excl. this stock
Buyers (this Q)
+9.14%
43 buyers · $0.18B in
Sellers (this Q)
-2.46%
50 sellers · $0.02B out
alpha coverage: 95% of $ has a lifetime-alpha record
Holder behavior on this stocksource: stock
On big dips (−10%+)
-17.9%
how holders react when this stock falls
On quiet Qs
-5.9%
−10% to +10% baseline
On rallies (+10%+)
-9.2%
how they react when this stock rises
Holders' portfolio flow this Q
-2.6%
outflows — trims may be forced
Sellers' portfolio flow this Q
-16.0%
Sellers shed AUM broadly — partly forced.
▸ Compare to holder-profile behavior (across all their stocks)
Holder dip (any stock)
-0.0%
Holder mid (any stock)
-3.2%
Holder rally (any stock)
-6.0%

Top Holders Over Time

5-year share-count history (top 10 holders by peak, incl. exited) + price

03.6M7.2M10.8M14.4M$2.16$7.24$12$17$222024-032024-092025-032025-092026-03
hover the chart for per-quarter detailprice (right axis)
Falcon Edge Capital LP3.7MCommodore Capital LP2.7MVestal Point Capital, LP2.1MPERCEPTIVE ADVISORS LLC2.0MFMR LLC6KSpruce Street Capital LP1.3MPoint72 Asset Management, L.P.503KARMISTICE CAPITAL, LLC912KFRANKLIN RESOURCES INC1.1MRA CAPITAL MANAGEMENT, L.P.

Related Stocks

Investors who own this also own

Stocks held by the same active managers as this one, ranked by score — how much more often these appear together than random chance (1× = baseline). Excludes index ETFs and market makers; minimum 3 shared holders.

TickerNameCo-holdersScore
AMLXAmylyx Pharmaceuticals, Inc.3199.13×
PHVSPharvaris N.V.3177.00×
ERASErasca, Inc.3177.00×
ALMSAlumis Inc. Common Stock3138.52×
PCVXVaxcyte, Inc.3132.75×

Analyst Coverage

Analyst Coverage
Price Targets
Last Quarter (3 analysts)$31.675780.0%
Last Year (5 analysts)$27.803850.0%
Current Price$20.07
Analyst Ratings
7
1
Buy: 7Hold: 1Consensus: Buy

Corporate

Order Flow (FINRA, ~3w lag)

15.9%retail+1.0pp
34.4%dark-3.9pp
week of 2026-04-13
0%10%20%30%40%50%24-1125-0225-0525-0825-1126-0226-04retail (non-ATS)dark (ATS)
Off-exchange volume from FINRA. Retail = non-ATS (wholesaler PFOF + broker internalization). Dark = ATS (dark-pool crossing networks, institutional). Lit-exchange = remainder.

Filing Risk Analysis

Filing Risk Scores

Alto Neuroscience: Repricing the Future While Navigating Litigation and Toxic Debt

Overall Risk
8/10
Fraud
4/10
Dilution
9/10
Insolvency
5/10
Earnings Overstated
2/10
Hidden Liabilities
6/10
Legal
8/10
Audit Warnings
3/10
Hidden Upside
6/10
Contextually Acceptable
3/10