Dianalitics
Upstart Holdings, Inc.
UPST · v2 · 2026-09-29
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64OpportunityDD: Sep 29, 2026Analyst: 66
paidPrice at analysis date
USD 23.8 (29/09/2026)
domainMkt cap
$2.24B
pie_chartShares
97.31M
candlestick_chart52W
$22.80-$57.88
trending_downShort interest
34.35%
MEDIUMNASDAQFinancials1405 employeesFounded 2012
Verdict: Favorable Risk/Reward - high-volatility re-coverage

This re-coverage is triggered by price dislocation rather than a new earnings release: the stock has fallen from about $28.04 in the 2026-09-04 DD to a verified $23.82 previous close, while Q2 fundamentals, August originations, insider buying and high short interest leave the thesis alive. The conclusion improves from merely moderate to favorable risk/reward, but it remains a credit-cycle trade with legal, funding and model-risk overhangs.

📊 DIANALITICS RESEARCH INDEX
Company & Thesis Assessment
Score /100 - updated 2026-09-29
66
Upstart Holdings (UPST)
AI lending marketplace - Credit services
"The same operating thesis, now with better price asymmetry and higher short-float tension"
Re-coverageFY26E revenue ~$1.4BShort float ~34%Model 22 litigation
Fin. strength
13
/20 pts
EBITDA/FCF
10
/15 pts
Debt/leverage
6
/15 pts
Stage/business
13
/15 pts
Catalysts
8
/10 pts
Reg. risk
4
/8 pts
Risk/reward
6
/7 pts
Management
5
/5 pts
Sector/macro
1
/3 pts
Compliance
1
/2 pts
Fair value estimate - fee-revenue SoTP re-coverage
Fair value base case
USD 36.0
Range: USD 19.0-USD 49.0
Price at analysis date: USD 23.8 (29/09/2026)
Base upside/downside: +51%

Base FV rises from $35 to $36 mostly because the credit-exposure reserve uses Q2 loans at fair value rather than broader exposure language, while the entry price has fallen materially. The implied revenue multiple is about 2.6x FY2026E revenue, inside the fintech/lender peer range. Cross-check using 12.5x FY2026E adjusted EBITDA of $294M less the same credit/legal reserves yields roughly $35-$37 per share. Sensitivity remains high: each 0.5x revenue multiple changes FV by about $7 per share. Not investment advice.

ComponentAssumptionUSD/share
Unsecured lending platform$1.15B FY2026E fee revenue x 2.55x equity/revenue multiple / 100.0M diluted shares+29.33
Secured products: auto and home$105M FY2026E fee revenue x 3.5x option multiple / 100.0M diluted shares+3.68
Cash Line, HELOC and platform optionality$45M FY2026E fee revenue x 4.5x option multiple / 100.0M diluted shares+2.03
Excess corporate liquidity($457.8M cash - $66.5M 2026 notes) / 100.0M diluted shares+3.91
Credit and fair-value exposure reserve10% reserve x $1.064B loans at fair value from Q2 2026 10-Q / 100.0M diluted shares-1.06
Litigation, ATM and dilution reserve5.0% haircut x $37.89 pre-reserve value for Model 22 class action, $500M ATM shelf and share-count creep-1.89
FV base case29.33 + 3.68 + 2.03 + 3.91 - 1.06 - 1.89 = $36.00$36.00
Bull
$49
Probability: 30%
September/October originations hold near August pace, UMI stops worsening, secured contribution margin approaches breakeven and short covering lifts the multiple toward ~3.4x FY2026E revenue.
Base
$36
Probability: 45%
FY2026 guidance remains intact, unsecured stays profitable, secured losses narrow slowly and the equity trades near 2.6x FY2026E revenue.
Bear
$19
Probability: 25%
UMI worsens, monthly originations fade, the class action remains noisy and UPST rerates closer to cyclical lender multiples near 1.4x revenue.
Methodology: Base FV rises from $35 to $36 mostly because the credit-exposure reserve uses Q2 loans at fair value rather than broader exposure language, while the entry price has fallen materially. The implied revenue multiple is about 2.6x FY2026E revenue, inside the fintech/lender peer range. Cross-check using 12.5x FY2026E adjusted EBITDA of $294M less the same credit/legal reserves yields roughly $35-$37 per share. Sensitivity remains high: each 0.5x revenue multiple changes FV by about $7 per share. Not investment advice. Not investment advice.
warning
Watch item - short float rose again
The latest FINRA-based short-interest snapshots show 27.65M shares short as of 2026-09-15, equal to roughly 34.35% of float. That is both a squeeze catalyst and a warning that the market still doubts funding durability, credit performance and the Model 22 litigation path.
check_circle
Re-coverage trigger - price down, fundamentals not yet broken
The September 2026 price drop lifts base-case upside to about +51% versus the prior +25%, while August originations were still $1.342B / $50.7M per day and Q2 guidance for FY2026 remained $1.4B revenue and $294M adjusted EBITDA. CEO Paul Gu also filed an open-market purchase in September, partly offsetting the class-action and short-interest overhangs.
The prior report used FV $35 and price ~$28.04. This update refreshes price, short interest, analyst target data, insider activity and near-term catalysts, while keeping the primary model structure because no new quarterly financials have been released since Q2 2026.
Capital Structure - Short Interest - Repurchase & Dilution
Short Interest
34.35%
MarketBeat reports 27.65M shares short as of 2026-09-15, equal to 34.35% of float. The pressure increased from the prior DD.
Share dilution (1Y)
+~12%
97.31M shares outstanding vs the mid-80M range in 2024/2025; repurchases partly offset SBC but do not eliminate dilution risk.
Buyback
$100M
The Q2 10-Q states 3.2M shares repurchased for $100.1M during the first half of 2026.
Insider signal
$1.28M
Paul Gu filed a Sep. 10 open-market purchase of 50,000 shares at $25.55, a meaningful positive signal after the drop.
Short Interest - context
UPST - 34.35%
34.35%

The short base is now large enough to matter in both directions. Clean monthly origination and Q3 earnings data could force covering, but any UMI deterioration or funding issue can validate the bearish side quickly.

$Financial analysis - FY
Q2 originations
$4.2B
+50% YoY
Q2 revenue
$365M
+42% YoY
Q2 adj. EBITDA
$76.9M
21% margin
August originations/day
$50.7M
UMI 1.50
ItemFY2023FY2024FY2025TTM Jun26FY2026E
Revenue$513.6M$636.5M$1.075B~$1.286B~$1.400B
Revenue from feesN/DN/D~$1.00BN/D~$1.300B
Adjusted EBITDANegative$10.6M$230MN/D~$294M
Loans at fair valueN/DN/DN/D$1.064BMonitor
Shares outstandingN/D~86M98.0M97.3M~100M diluted model
Quarterly dynamics - last 5 quarters
MetricQ2 2025Q3 2025Q4 2025Q1 2026Q2 2026
Revenue ($M)257.3285.9280.3308.2364.7
Contribution margin %58%60%57%56%55%
Net income ($M)5.631.8N/DN/D16.5
Cash EOP ($M)N/DN/D652.4931.3457.8
Financial position and sustainability
Short-float stress
34%
August origination pace
$50.7M/day
UMI vs normal baseline
1.50x
account_tree

Business model - AI lending marketplace

Re-coverage view: the business is improving, but the market is repricing credit risk
Upstart connects borrowers with banks, credit unions and institutional capital using AI underwriting models. The positive case is that automation, monthly originations and funding agreements prove the platform can scale without using the balance sheet heavily. The negative case is that elevated default risk and funding partner caution keep the multiple closer to a lender than a technology platform.

Unsecured lending ~$1.15B FY2026E fees profitable core Q2 unsecured fee revenue was $326M, up 38% YoY, with 62% contribution margin. Secured: auto and home ~$105M FY2026E fees losses narrowing Contribution margin improved sharply but remains negative, making breakeven the next proof point. Cash Line and HELOC ~$45M FY2026E fees option value Newer credit products expand TAM but add regulatory and funding complexity. Capital partners 100+ banks/credit unions funding network Partner capital remains the main cycle variable and the decisive rerating input.

gavel

Legal, regulatory and risk analysis

Credit-cycle and UMI risk
High
UMI is still 1.50, roughly 50% above normal baseline. If it rises again, approval rates and partner funding economics can weaken.
Model 22 class action
High
The 2026 securities class action remains an overhang even though the lead-plaintiff deadline has passed.
Short interest
High
34.35% of float short creates reflexive volatility around every monthly origination and earnings print.
Balance-sheet loan exposure
Moderate
The Q2 10-Q reports $1.064B of loans at fair value, sensitive to credit and liquidity assumptions.
ATM and convertibles
Moderate
A $500M ATM program exists, and convertible mechanics remain a dilution overhang even if not immediately used.
Insider buying
Positive
Paul Gu's September purchase is a positive re-coverage change that did not exist in the prior DD.
Forward-flow agreements
Positive
2026 partner/funding announcements, including Castlelake and Neuberger agreements, support the marketplace recovery thesis.
Automation economics
Positive
High automation and strong unsecured contribution margins keep the technology-platform argument alive.
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SWOT analysis

Strengths
  • +Q2 growth and August originations still support FY2026 guidance.
  • +Founder/CEO open-market buying improves the governance signal.
  • +Lower price materially improves risk/reward versus the prior DD.
Weaknesses
  • −Short interest has increased and is now extremely high.
  • −Loan fair-value exposure keeps the story tied to credit marks.
  • −Secured products have not yet reached positive contribution margin.
Opportunities
  • →September originations can prove whether August pace was durable.
  • →A lower UMI reading would be a strong rerating catalyst.
  • →Short covering can amplify a clean Q3 print.
Threats
  • !Credit stress stays elevated into 2027.
  • !Class-action discovery or ATM usage weighs on valuation.
  • !Capital partners slow funding if cohort performance weakens.
Re-coverage change
Prior FV was $35; updated FV is $36. The bigger change is entry price: $23.82 versus prior ~$28.04.
Why it works
Q2 guide, August originations, insider buying and extreme short interest create a catalyst-rich recovery setup.
What breaks it
UMI worsens, originations slow, or funding/legal overhangs force a lender-style multiple.
Sources & Disclaimer

Sources: Upstart Q2 2026 results release dated 2026-08-04; Upstart August 2026 originations and UMI release dated 2026-09-03; Upstart Q2 2026 Form 10-Q; StockAnalysis UPST statistics and forecast pages checked 2026-09-29; MarketBeat short-interest and forecast pages checked 2026-09-29; Yahoo Finance quote page checked 2026-09-29; Upstox US quote page checked 2026-09-29; Benzinga analyst-target page checked 2026-09-29; Bragar Eagel and Kirby McInerney class-action notices; Form4API / InsiderGlobe / FilingExplorer insider-purchase pages. Market data - last verified close 2026-09-28: UPST previous close $23.81-$23.82, market cap about $2.24B, enterprise value about $3.84B, shares outstanding 97.31M, 52W range roughly $22.80-$57.88, cash $457.8M and debt $2.06B. Short interest: 27.65M shares / 34.35% float as of 2026-09-15. This document is for informational purposes only and does not constitute financial or investment advice.