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PACBPacific Biosciences of CalifornSell3.9·$1.99
SellHigh Confidence
Investment thesis

Pacific Biosciences shows a perfect recent earnings beat streak and analyst-projected upside, but persistent cash burn below the quality floor and heavy bearish positioning in a volatile stock temper the case for near-term conviction.

Thesis pillars

  • Cash Burn Quality Floor Breach→Stable
  • Perfect Earnings Beat Streak↓Deteriorating
  • Analyst Upside Despite Light Coverage↑Improving
  • +2 more pillars — see the Why tab for full reasoning

Full reasoning →

Open full analysis

Pacific Biosciences of Californ (PACB) Stock Analysis

Range Bound setup · Catalyst-Driven edge

SellVALUE-TRAP 1/5ValueShortHigh Confidence

Healthcare · Medical Devices

Sell if holding. Engine safety override at $1.99: Quality below floor (2.5 < 4.0) triggers a hard block regardless of the otherwise-positive setup — overall score 3.9/10. Specifically: High short interest: 17%; Below-average business quality; Negative price momentum.

Pacific Biosciences (PacBio) is a life science technology company that designs, develops, and manufactures HiFi long-read DNA sequencing systems, including its Revio, Vega, and Sequel instruments, serving academic, government, clinical, and pharmaceutical customers researching... Read more

$1.99+4.9% A.UpsideScore 3.9/10#61 of 62 Medical Devices
QualityF-score2 / 9FCF yield45.77%
Stop $1.85Target $2.09(analyst − 13%)A.R:R 0.3:1
Analyst target$2.40+20.6%7 analysts
$2.09our TP
$1.99price
$2.40mean
$1
$3

Sell if holding. Engine safety override at $1.99: Quality below floor (2.5 < 4.0) triggers a hard block regardless of the otherwise-positive setup — overall score 3.9/10. Specifically: High short interest: 17%; Below-average business quality; Negative price momentum. Chart setup: RSI 59 mid-range, Bollinger mid-band. Score 3.9/10, high confidence.

Passes 4/9 gates (news events none recent, earnings proximity 22d clear, semi cycle peak clear, materials cycle peak clear). Fails on weak momentum and favorable risk/reward ratio and clean insider activity and death cross (50MA < 200MA). Suitability: speculative.

10-K grounded · weekly refresh

About Pacific Biosciences of Californ

About Pacific Biosciences of Californ

Pacific Biosciences ended 2025 with a $49.2 million order backlog, of which it expects to convert approximately 80% to revenue in 2026, after completing a $50.0 million asset sale of its short-read DNA sequencing technology to Illumina Cambridge in January 2026 that narrowed the company to long-read HiFi sequencing. PacBio's Revio, Vega, and Sequel instruments, along with SMRT Cell and reagent consumables, serve academic, government, clinical, and pharmaceutical customers researching human genomics, oncology, infectious disease, and agricultural genetics.

PacBio earns revenue from instrument sales alongside recurring, high-margin SMRT Cell and reagent consumables that customers purchase per sequencing run, distributed through a global direct sales force and regional distribution partners across Australia, Asia, Europe, the Middle East, and the Americas. The company holds or exclusively licenses 450 issued U.S. patents covering its Single-Molecule Real-Time (SMRT) sequencing technology, and competes against Illumina, BGI Genomics, Thermo Fisher, Oxford Nanopore, Roche, Qiagen, Element Biosciences, Bionano Genomics, Ultima Genomics, and 10x Genomics. PacBio recorded $15.0 million of impairment charges in 2025 following $184.5 million in 2024, along with $359.3 million of accelerated amortization tied to the 2021 Omniome acquisition, reflecting a period of portfolio rationalization alongside expense-reduction plans initiated in 2024 and 2025.

Show full overview

PacBio's 10-K discloses that no single customer accounted for 10% or more of total revenue in 2025, 2024, or 2023, indicating a diversified academic, government, and commercial customer base, but the company also discloses that some components required in its instruments and consumables are currently sole-sourced or single-sourced, an exposure it manages around at its Menlo Park, California facility using domestic and international subcontract manufacturers. With over $640 million in convertible notes outstanding as of December 31, 2025 and continuing net losses, any sole-source component disruption would compound an already capital-constrained balance sheet.

See also: Healthcare · Medical Devices

From Pacific Biosciences of Californ's most recent 10-K filing, extracted July 6, 2026.

news + 30-day 8-K events · 5-min refresh

Recent developments

updated 2026-10-15
TrendMatrix Research · upcoming catalyst calendar

Upcoming dated catalysts

Thu, Nov 5, 202622d to earnings· next earnings call

Thesis

Rewards
No bull case signals
Risks
Concentration risk — Supplier: sole-sourced or single-sourced components
Quality below floor (2.5 < 4.0)

Key Metrics

P/E (TTM)—
P/E (Fwd)-4.9
Mkt Cap$637M
EV/EBITDA5.6
Profit Mgn-82.5%
ROE-929.3%
Rev Growth-1.9%
Beta2.19
DividendNone
Rating analysts14

Quality Signals

Piotroski F2/9

Options Flow

P/C1.00neutral
IV135%elevated

Concentration Risks(10-K Item 1A)

  • HIGHSuppliersole-sourced or single-sourced components
    10-K Item 1: 'Some of the components required in our products are currently either sole sourced or single sourced.'

Material Events(8-K, last 90d)

  • 2026-06-04Item 5.02LOW
    PacBio's Board approved, and stockholders ratified at the June 3, 2026 Annual Meeting, an amendment to the 2020 Equity Incentive Plan reserving an additional 16,000,000 shares for issuance. The item covers only the compensatory plan amendment; no officer departure or appointment was involved.
    SEC filing →

Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results.

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About TrendMatrix. TrendMatrix is a publisher of general securities research and market commentary. We publish on a regular schedule. All content is the same for every subscriber in a tier — we do not provide personalized investment advice and we do not take into account any individual subscriber's financial situation, investment objectives, risk tolerance, tax situation, or holdings.

Not investment advice. TrendMatrix is not a registered investment adviser. Our content is for informational and educational purposes only. Consult your own licensed investment adviser, broker, or tax professional before making any investment decision.

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Performance. Past performance is not indicative of future results. Performance figures reflect the published model only and do not reflect any individual subscriber's actual results.

Methodology · Editorial policy & full disclaimer

Rating Breakdown

5 floor-breakers

Revenue shrinking — -1.9% YoY. Growth thesis broken unless recovery story develops.static

Revenue Growth
2.0
Declining revenue: -2%
Low model confidence on this dimension (33%).

Ranks in the bottom of its industry peers on the composite signal. Better names in the same sector exist.static

Quality Rank
0.0
Growth Rank
0.5
Value Rank
4.1

Unprofitable operations — net margin -82.5%. Quality floor flags this regardless of sector context.static

Roa
0.0
Net Margin
0.0
Gross Margin
1.9
Piotroski F
2.2
Moat
3.0
Current Ratio
8.1
No competitive moatWeak Piotroski F-Score: 2/9Quality concerns

Momentum below the gate floor. Component breakdown shows what dragged the score down.static

Volume
0.0
Obv
1.0
Macd
3.2
Ma Position
5.0
Rsi
5.5
Volume distribution (falling OBV)Above 200-MA but MA slope flat

Volatile — 16.6% daily ATR makes tight stops impractical. Position-size conservatively.static

Volatility
0.0
Implied Vol
0.0
Short Interest
1.8
Beta
2.7
Max Pain Risk
3.0
Days To Cover
6.1
Put Call
6.7
High short interest justified: 17%High IV: 135%Above max pain $0Concentration risks: 1 HIGH (10-K Item 1A — sized via position_sizing, validated via buy_confidence)
GatesMomentum 2.9<4.5A.R:R 0.3 < 1.5@spotINSIDER 0.33%=HEAVYDeath cross (50MA < 200MA)Executive change: officer departure/appointmentNEWS EVENTS NONE RECENTEARNINGS PROXIMITY 22d clearSEMI CYCLE PEAK CLEARMATERIALS CYCLE PEAK CLEARRange BoundSuitability: Speculative
RSI
59 · Neutral
↓ 20D MA↑ 50D MA↑ 200D MADEATH CROSSSupport $1.34Resistance $3.44

Price Targets

$2
$2
A.Upside+4.9%
A.R:R0.3:1

Position Sizing

ConvictionNone
Suggested %0%
Max %0%
RegimeSteady

Risk Alerts

! Quality below floor (2.5 < 4.0)
! momentum at 2.9 (below the engine's 4.5 threshold)
! asymmetry at 0.3 (below the engine's 1.5 threshold)@spot

Earnings

B
B
B
M
3/4 beats
Next Earnings2026-11-05 (22d)

Verdict History

reverse chrono — latest first
Loading history...
Verdicts are recorded on every nightly pipeline run. Rows capture transitions (verdict flips, score deltas ≥0.3, entry/TP/SL changes). Rows with a ▶ can be expanded to see the change reason. Aggregate cohort performance is tracked in the recommendation ledger.
Frequently Asked Questions
Is PACB stock a buy right now?

Sell if holding. Engine safety override at $1.99: Quality below floor (2.5 < 4.0) triggers a hard block regardless of the otherwise-positive setup — overall score 3.9/10. Specifically: High short interest: 17%; Below-average business quality; Negative price momentum. Chart setup: RSI 59 mid-range, Bollinger mid-band. Prior stop was $1.85. Score 3.9/10, high confidence.

What is the PACB stock price target?

Take-profit target: $2.09 (+4.9% upside). Prior stop was $1.85. Stop-loss: $1.85.

What are the risks of investing in PACB?

Concentration risk — Supplier: sole-sourced or single-sourced components; Quality below floor (2.5 < 4.0).

Is PACB overvalued or undervalued?

Pacific Biosciences of Californ trades at a P/E of N/A (forward -4.9). TrendMatrix value score: 6.2/10. Verdict: Sell.

What do analysts say about PACB?

14 analysts cover PACB with a consensus score of 3.9/5. Average price target: $2.

What does Pacific Biosciences of Californ do?Pacific Biosciences (PacBio) is a life science technology company that designs, develops, and manufactures HiFi...

Pacific Biosciences (PacBio) is a life science technology company that designs, develops, and manufactures HiFi long-read DNA sequencing systems, including its Revio, Vega, and Sequel instruments, serving academic, government, clinical, and pharmaceutical customers researching human genomics, oncology, infectious disease, and agricultural genetics. In January 2026, PacBio completed the $50 million sale of its short-read sequencing technology assets to Illumina Cambridge, narrowing its focus to long-read HiFi sequencing. The company recorded a $15.0 million impairment charge in 2025 and continu

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