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Why UPB Stock slipped -1.76% Today — RQD Quant Desk Flash

$3.35 -1.76% NASDAQ • Live Quote vs Prior Daily Close (Synced Snapshot) EXT / AFTER-HRS: $3.33

Upstream Bio Inc. (UPB) carries a Roarable Rating of E (Strong Sell) with 29/100 RQD Confidence due to weak cash-flow efficiency and sensitivity to current interest rates. Wait for business cash flow and institutional buying to improve before committing fresh capital.

ROARABLE E • RED ALERT Cap $186.8M
📤 Share Live RQD Speedometer Card: 𝕏 Post Reddit StockTwits ⬇ Live SVG Card
⚡ INSTANT AI QUANT PREVIEW • $0 FREE TIER Click Any Pre-Computed AI Quant Specialist Briefing on UPB Below — or Connect Your Own ChatGPT / Claude
🤖 Mara Quenwick • AI Quant Lead (Click for Instant Brief) Is UPB stock a Buy, Hold, or Sell right now according to Roarable's RQD model?
▼

As of 2026-11-03, Upstream Bio Inc. (NASDAQ: UPB) is rated E (Strong Sell / SELL) by Roarable's 5-pillar RQD engine with a composite confidence score of 29/100 at a spot price of $3.35 (-1.76% 1D, market cap $186.8M). Pillar breakdown: Fundamental Cash Engine 8/20, Institutional 13F & Options Flow 3/20, SEC Balance-Sheet Forensics 8/20, FRED Macro Regime Fit 7/20, and Executive Insider Alignment 3/20. Across 1015 tracked Health Care issuers, UPB ranks #833 in composite RQD confidence.

✓ Pre-computed one-to-many AI Quant brief
🤖 Ellis Vennor • AI Peer & Flow Quant (Click for Instant Brief) How does UPB compare to ZNTL and YARW in the Health Care sector?
▼

Within the Health Care sector (Biotechnology: Pharmaceutical Preparations), UPB carries a Roarable E (29/100 RQD), trailing P/E of N/A, gross margin of —, and ROIC of -35.0%. By comparison, ZNTL (Zentalis Pharmaceuticals Inc.) holds a E grade (34/100 RQD, P/E N/A, ROIC -35.0%, cap $185.6M) and YARW (Yarrow Bioscience Inc.) posts a E grade (26/100 RQD, P/E N/A, ROIC -35.0%, cap $185.2M). Among the 5-stock peer group, UPB leads on earnings multiple (N/A) while UPB leads on capital efficiency (-35.0% ROIC).

✓ Pre-computed one-to-many AI Quant brief
🤖 Gideon Ashmere • AI SEC 10-K Forensics (Click for Instant Brief) What are the biggest fundamental strengths and SEC risk factors for UPB?
▼

Per UPB's SEC EDGAR XBRL 10-K filing (FY2025, filed 2025-12-31, CIK 0002022626), Upstream Bio Inc. generated $2.9M in revenue (+20.4% YoY), -$143.4M in net income, and -$133.4M in free cash flow against $353.8M in total assets and $0 in total debt. Key quantitative strengths: Established market leader in Health Care with deep daily trading liquidity. Primary risk factors monitored: Company executives have done more routine share selling than personal cash buying lately. Institutional options positioning shows a 50% call / 50% put premium split.

✓ Pre-computed one-to-many AI Quant brief
🤖 AI Quant Disclosure: Roarable Analysts are proprietary AI Quant Specialists — not human financial advisors. Pre-computed one-to-many briefings above are free; interactive 1-on-1 Q&A, custom AI sifting/indicator alerts, and personal ChatGPT/Claude MCP connections require a $9.95/mo Pro account (currently waitlist-only).
INTERACTIVE SCENARIO DECK:
🛡️ Portfolio Crash X-Ray
EXT / AFTER-HRS: $3.33 (-0.51%)🧬 Dilution Drag (+1.28% YoY Shares)⚙️ Cash Engine: 8/20 (D-) • 0% FCF Margin
Verify 90D Bucket Audit →
📊 Historical Track Record Warning: Scores below 50 (29/100 · E) historically underperformed SPY in 71% of rolling 90-day windows (-9.8% avg 90D alpha vs SPY • 29.0% hit rate).
Audit Bucket Track Record →
RQD QUANT TACHOMETERRED ALERT • E
025507510029
3-of-3 Quant Analysts Bearish Warning
Cash
SEC
Whale

Impersonal quantitative research (0–100 RQD rubric) — not individualized investment advice. Past performance does not guarantee future results. Full Disclaimer

5-PILLAR RQD RADARRw E · Rk D-
Cash (8)Whales (3)SEC (8)Macro (7)CEO (3)
Each axis scored 0–20
12M PRICE TARGET CONE-13.1% Base Target
$35 Bull$3 Base$2 Bear
📬 FREE UPB RATING-CHANGE & BRIEFING ALERTSManage / Unsubscribe
WHALE OPTIONS SNAPSHOT: — (No Active Options Snapshot on file for UPB)Realized 20D OHLCV Swing Band: ±12.5%
Deterministic 5-Pillar Attribution (29/100 Composite)
🔍 WHY UPB SCORES 29/100 (E) — TOP 3 DRIVERS2 Bullish Pillars + #1 Risk Drag
▲ #1 Bullish Driver: Cash Engine Quality+8/20 pts (28% of score)

SEC XBRL FY 2025 (10-K): 0% FCF Margin ($0 FCF) & 52% Gross Margin

▲ #2 Bullish Driver: SEC 10-K Forensic Risk+8/20 pts (28% of score)

Altman Z-Score 6.01 (FORTRESS SAFE (>3.0)) • Piotroski F-Score 3/9

▼ #1 Drag / Risk Factor: Insider Conviction & Share Dilution4/20 pts (-16 pt drag)

Dilution Drag (+1.28% YoY Shares) & executive Form 4 sales trim 16 pts from alignment

📈 PAST 4 QUARTERS RQD vs SUBSEQUENT RETURNQ1 → Q2 → Q3 → Current
Q1 (-3Q)
37
Grade E$4.17-32.9% Next Q
Q2 (-2Q)
34
Grade E$2.80-1.8% Next Q
Q3 (-1Q)
32
Grade E$2.75+21.8% Next Q
Current
29
Grade E$3.35-9.8% Hist 90D α
Trajectory: E (37) → E (29)Full Audit →
⚔️ ADVERSARIAL OPPOSING CASE & FORENSIC KILL-SWITCH (WHY THE BULL/BEAR THESIS COULD FAIL)CONTRARIAN TURNAROUND & SHORT-SQUEEZE DOSSIER

⚔️ Adversarial Opposing Case: What Could Spark a UPB Turnaround Squeeze

Gideon Ashmere Forensic Desk →

While UPB currently carries a cautious 29/100 (E) rating due to Insider Conviction & Share Dilution (4/20), shorts face asymmetric squeeze risk if free cash flow inflects or management executes accretive buybacks.

🚀 Contrarian Squeeze Trigger #1

Established market leader in Health Care with deep daily trading liquidity.

🚀 Contrarian Squeeze Trigger #2

Options & Short-Covering Gamma: Reclaiming the 50-day SMA ($4.86) and Max Pain ($3.52) forces dealer call-delta covering toward $35.36.

🚀 Contrarian Squeeze Trigger #3

Forensic Repair Trigger: Halting share dilution (Dilution Drag (+1.28% YoY Shares)) or retiring high-cost debt immediately upgrades the SEC 10-K Forensic pillar.

🎲 LIVE PREDICTION MARKET ODDS TIED TO $UPB• $2.4M Crowd Pool • Kalshi / Polymarket Composite
Contract: “UPB Beats Next Quarter EPS Consensus (Dec 30, 2026) & Holds Above 200D SMA”
AUTOMATED RQD QUANT DESK MOVER BRIEFINGFull Market News Desk →

Why UPB Stock slipped -1.76% Today — RQD Quant Desk Flash

Upstream Bio Inc. (UPB) slipped -1.76% to $3.35, trading at 2% of its 52-week range ($2.68 – $33.68). Stretched risk/reward at current multiples (-35% return on capital) under elevated 10-year interest-rate pressure.

  • ▸Technical Tape: Trading at 2% of its 52-week range ($2.68 – $33.68) with RSI-14 at 40.6 (NEUTRAL RANGE).
  • ▸Volatility Profile: Historical 20-day realized swing band of ±12.5% around $3.35 (no active unusual options sweep snapshot on file).
  • ▸Fundamental Anchor: Roarable E (Strong Sell) backed by 52% gross margin and $0 annual free cash flow.
Live UPB Headlines & Catalysts
CATALYSTYahoo Finance • 1d ago
Top Premarket Gainers

Yahoo Finance report covering Upstream Bio Inc. (UPB) market action, institutional positioning, and fundamental catalysts.

ON-DEMAND RQD QUANT WORKSHOP • SPONSORED / PARTNER SPOTLIGHTHosted by Perry Belcher & Roarable Forensic Quant Desk

Red-Light Warning Desk: Spotting SEC Cash-Flow & Dilution Risks Before Downgrades (Featuring UPB)

  • ✓Walkthrough of UPB's RQD Radar, SEC cash-conversion gap & downside invalidation levels
  • ✓3 asymmetric Bear/Hedge frameworks when 10-year Treasury yields stay elevated
  • ✓Includes nightly RQD rating-change & forensic signal email alerts on your tracked stocks
RQD INSIDER CLUB WAITLIST$49/YR PLANNED
Want Custom AI PineScript / Python Indicators & Priority Rating-Change Alerts?
UPB // CANDLESTICK & AUTO-TRENDLINE WORKSTATION6M: -64.02%▼ DESCENDING CHANNEL
2026-11-03O $3.27H $3.41L $3.27C $3.35VOL 946.1K
RES: $5.95SUP: $2.55SMA50: $4.86SMA200: $9.14
$20.00$15.31$10.61$5.92$1.22RES $5.95SUP $2.55$3.352026-05-042026-06-172026-08-042026-09-172026-11-03
PRIMARY-SOURCE FORENSICS, SECOND-ORDER LINKS & AI ANALYST DESK

UPB Dilution Monitor, Expectations Hurdle, Butterfly Connections & Policy Exposure

Share Count & Dilution Monitor

Multi-year comparable XBRL diluted share count not disclosed (ETF or recent listing).

Reverse-DCF Expectations Hurdle
8.0%/yr Implied 5Y Growth

vs. +20.4% actual YoY revenue growth (assuming 9.25% cost of equity & 16.5x terminal multiple).

Ellis Vennor Setup Ledger

No active Ellis Vennor swing setup published on UPB today. View full Setup Ledger →

🦋 Documented & Second-Order Butterfly Connections Open Graph →

No direct multi-tier Butterfly edges indexed yet for UPB. Explore sector supply chains on /butterfly.

AI Analyst Theses, Washington Policy & Company Video
🎬 No recent verified company-specific video clip queued for UPB today (we never pad ticker pages with unrelated generic clips). Browse Macro Video Desk →
DETERMINISTIC MULTI-FACTOR EQUITY AUDIT • SEC EDGAR XBRL × RQD PEER BENCHMARK

📊 Quantitative Sector Peer Comparison, SEC Filing Delta & Investment FAQ (UPB)

Health Care Rank #833 of 1015 ⚔️ ZNTL vs UPB Full Matrix →

1. Head-to-Head Health Care Peer Comparison (UPB vs. ZNTL, YARW, WHWK, ADCT)

Industry: Biotechnology: Pharmaceutical Preparations (489 Tracked Issuers)

Across 1015 tracked Health Care securities in the Roarable RQD universe, Upstream Bio Inc. (UPB) ranks #833 by composite RQD confidence (29/100, grade E) and #581 by equity capitalization ($186.8M). Within this direct 5-issuer industry benchmark cohort, UPB leads on earnings valuation at N/A trailing P/E, while UPB leads on capital efficiency and profitability with -35.0% ROIC and — gross margin. ADCT currently holds the highest overall quantitative score in the immediate peer group at 36/100 (D-) compared with UPB at 29/100 (E).

Ticker / Company Roarable Grade RQD Score Trailing P/E Gross Margin ROIC 1D Change Market Cap Head-to-Head
UPB ACTIVE
Upstream Bio Inc.
E 29/100 — — -35.0% -1.76% $186.8M Benchmark Subject
ZNTL
Zentalis Pharmaceuticals Inc.
E 34/100 — — -35.0% -5.61% $185.6M /zntl-vs-upb →
YARW
Yarrow Bioscience Inc.
E 26/100 — — -35.0% -9.90% $185.2M /yarw-vs-upb →
WHWK
Whitehawk Therapeutics Inc.
E 24/100 — 89.4% -35.0% -3.70% $184.7M /whwk-vs-upb →
ADCT
ADC Therapeutics SA
D- 36/100 — 92.9% -35.0% +0.65% $195.3M /adct-vs-upb →

2. Multi-Year SEC XBRL Revenue, Cash Flow & Balance-Sheet Trajectory (FY2023–FY2025)

SEC EDGAR 10-K • FILED 2025-12-31 • CIK 0002022626 ↗

In its most recent audited fiscal period (FY2025, filed 2025-12-31), Upstream Bio Inc. (UPB) reported GAAP revenue of $2.9M (+20.4% vs. FY2024 revenue of $2.4M , and +19.9% cumulative change since FY2023) , GAAP net income of -$143.4M, operating cash flow of -$133.3M, and free cash flow of -$133.4M (-123.6% YoY). On the balance sheet, UPB closed FY2025 with $353.8M in total assets against $0 in total debt (Altman Z-Score: 6.01, Piotroski F-Score: 3/9).

Fiscal Period Filing Date Revenue Net Income Operating Cash Flow Free Cash Flow Total Assets Total Debt
FY2025 (FY) 2025-12-31 $2.9M -$143.4M -$133.3M -$133.4M $353.8M —
FY2024 (FY) 2024-12-31 $2.4M -$62.8M -$59.2M -$59.7M $481.7M —
FY2023 (FY) 2023-12-31 $2.4M -$20.5M -$37.9M -$37.9M — —

3. UPB Data-Verified Investor FAQ (RQD Rating, Sector Peers, SEC Forensics & Technicals)

✓ SCHEMA.ORG FAQPAGE JSON-LD ENABLED

Is UPB stock a Buy, Hold, or Sell right now according to Roarable's RQD model?

As of 2026-11-03, Upstream Bio Inc. (NASDAQ: UPB) is rated E (Strong Sell / SELL) by Roarable's 5-pillar RQD engine with a composite confidence score of 29/100 at a spot price of $3.35 (-1.76% 1D, market cap $186.8M). Pillar breakdown: Fundamental Cash Engine 8/20, Institutional 13F & Options Flow 3/20, SEC Balance-Sheet Forensics 8/20, FRED Macro Regime Fit 7/20, and Executive Insider Alignment 3/20. Across 1015 tracked Health Care issuers, UPB ranks #833 in composite RQD confidence.

How does UPB compare to ZNTL and YARW in the Health Care sector?

Within the Health Care sector (Biotechnology: Pharmaceutical Preparations), UPB carries a Roarable E (29/100 RQD), trailing P/E of N/A, gross margin of —, and ROIC of -35.0%. By comparison, ZNTL (Zentalis Pharmaceuticals Inc.) holds a E grade (34/100 RQD, P/E N/A, ROIC -35.0%, cap $185.6M) and YARW (Yarrow Bioscience Inc.) posts a E grade (26/100 RQD, P/E N/A, ROIC -35.0%, cap $185.2M). Among the 5-stock peer group, UPB leads on earnings multiple (N/A) while UPB leads on capital efficiency (-35.0% ROIC).

What are the biggest fundamental strengths and SEC risk factors for UPB?

Per UPB's SEC EDGAR XBRL 10-K filing (FY2025, filed 2025-12-31, CIK 0002022626), Upstream Bio Inc. generated $2.9M in revenue (+20.4% YoY), -$143.4M in net income, and -$133.4M in free cash flow against $353.8M in total assets and $0 in total debt. Key quantitative strengths: Established market leader in Health Care with deep daily trading liquidity. Primary risk factors monitored: Company executives have done more routine share selling than personal cash buying lately. Institutional options positioning shows a 50% call / 50% put premium split.

Where is UPB trading relative to its 50-day, 200-day, and 52-week technical levels?

UPB last traded at $3.35 (-1.76% on volume of 936,317 shares), positioning the stock -31.07% below its 50-day simple moving average ($4.86) and -63.35% below its 200-day simple moving average ($9.14). Across its 52-week range of $2.68 to $33.68, UPB sits at the 2.2% percentile with a 14-day RSI of 40.6 (NEUTRAL RANGE) and an implied next-earnings move of ±12.5% ($2.93 to $3.77).

ROARABLE RATING BRIEF • RQD 29/100 (E) ✓ SEC XBRL & RQD VERIFIED

UPB — Upstream Bio Inc.: What the Facts Mean to a Prospective Investor

Methodology: RQD v6.2 Deterministic 5-Pillar & SEC XBRL Audit
Updated: 2025-12-31

1. Roarable Rating Brief: What This Means to a Prospective Investor

Upstream Bio Inc. (UPB) earns a live Roarable RQD composite score of 29/100, corresponding to a E letter grade (Roarable Strong Sell) at a spot price of $3.35 (-1.76% 1D, market capitalization $186.8M).

  • Fundamental Cash Engine (8/20): Anchored by return on invested capital (ROIC) of -35.0%, gross margin of —, operating margin of -60.0%, and free cash flow yield of —.
  • Whale 13F & Options Flow (3/20) + Insider Conviction (3/20): Tracks institutional 13F accumulation, CBOE options call/put positioning, and SEC Form 4 / Congressional PTR filings.
  • Macro Regime Fit (7/20) + Forensic Balance Sheet (8/20): Incorporates a 1.00x equity beta, Altman Z-Score of 6.01, Piotroski F-Score of 3/9, and Debt/Equity of N/A.

2. Business Model, Unit Margins & SEC Financial Trajectory

Upstream Bio Inc. Is a NASDAQ-listed issuer in the Health Care sector, operating within the Biotechnology: Pharmaceutical Preparations industry..2B. Reported revenue across the three periods is small, at $2.4M to $2.9M.

In its latest audited SEC EDGAR 10-K filing for FY2025 (filed 2025-12-31), Upstream Bio Inc. (UPB) reported $2.9M in annual revenue (up from $2.4M in FY2024, +20.4% YoY) and -$143.4M in GAAP net income. Over the multi-year SEC filing window from FY2023 ($2.4M revenue, -$20.5M net income) through FY2025, UPB scaled operating cash flow to -$133.3M and free cash flow to -$133.4M, backed by $353.8M in total assets against $0 in total debt.

3. Institutional Bull vs. Bear Thesis & Valuation Tradeoff

  • 🐂 Primary Bull Case (E • RQD 29/100): Established market leader in Health Care with deep daily trading liquidity. Free cash flow yield of — and institutional whale pillar of 3/20. With Fundamental Cash Engine at 8/20 and Institutional Whale Flow at 3/20, sustained execution supports upside toward the upper end of the $2.68 – $33.68 52-week range.
  • 🐻 Primary Bear Case & Valuation Risk: Company executives have done more routine share selling than personal cash buying lately. Investors must weigh current valuation against -60.0% operating margins and a 1.00x macro beta.

4. 2nd-Order Butterfly Ripples & Key Questions to Watch

Operating in Biotechnology: Pharmaceutical Preparations (Health Care), UPB carries a macro regime beta of 1.00 and gross margin of —.

  • Key Question #1: Can UPB sustain or expand its -60.0% operating margin and -35.0% ROIC against Biotechnology: Pharmaceutical Preparations peers over the next 4 quarters?
  • Key Question #2: Following FY2025 revenue of $2.9M and free cash flow of -$133.4M, how will capital allocation balance growth reinvestment against $0 in total debt?
  • Key Question #3: How sensitive is UPB's equity valuation to Health Care capital spending cycles and macro interest-rate shifts (Beta 1.00x)?

UPB Live News Feed, Press Releases & Catalyst Wire

Real-time company headlines, analyst actions, and sector developments for Upstream Bio Inc. (UPB) • Click "Debate This Headline" to argue it in the Roar Pit below

💬 Jump to UPB Debate Forum (3) ↓
🟢 CATALYST Yahoo Finance • 1d ago
Top Premarket Gainers

Yahoo Finance report covering Upstream Bio Inc. (UPB) market action, institutional positioning, and fundamental catalysts.

Read Full Source ↗
🔥 THE ROAR PIT • LIVE COMMUNITY DEBATE 3 Active Posts & Replies

UPB Bull vs. Bear Conversation Board — What's Your Call at $3.35?

🐂 67% BULLISH CONVICTION COMMUNITY TUG-OF-WAR ON UPB 🐻 33% BEARISH CONVICTION
1. Pick Your Side on UPB:
💡 Tip: Back up your call with a price target or RQD metric to get upvoted to the top.
TA TapeReader_Pro RQD DEBATE OPENER • Price Action & Volume Trader 🐂 BULLISH 🎯 Target: $4.30 (+26.1%)
📌 Pinned Debate

Balance sheet metrics (Altman Z 6.01, Debt/Equity 0.5) are comparatively less weak than its earnings and cash-flow metrics.

Long UPB at $3.41 targeting $4.30. Balance sheet metrics (Altman Z 6.01, Debt/Equity 0.5) are comparatively less weak than its earnings and cash-flow metrics.. Institutional whale score is 3/20 and the risk/reward vs. the $2.68 52-week low is skewed heavily in favor of bulls.

RetailWhale_TX 🐂 BULL

@RiskArb_Desk Shorting a 3/20 institutional whale-flow stock at $3.41 is dangerous when funds are rotating into Health Care.

RI RiskArb_Desk RQD DEBATE OPENER • Hedged Event Driven 🐻 BEARISH 🎯 Target: $2.86 (-16.1%)
Spot @ $3.41

ROIC of -35% and an FCF yield of 0% with cash falling from $325.9M to $101.6M over two years.

Sitting on the sidelines or leaning short UPB above $3.41. ROIC of -35% and an FCF yield of 0% with cash falling from $325.9M to $101.6M over two years.. Until Fundamental Cash Engine (8/20) and FCF yield (0.0%) inflect higher, upside is capped near $33.68.

LIVE TAPE