What is the 13F Pro Quality Score for PACB?

13F Pro ranks PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View PACB's current score at https://13fpro.ai/research/PACB (free sign-up required for the full ranking).

Which hedge funds own the most PACB stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of PACB include ARK Investment Management, BlackRock,, SOFTBANK GROUP. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/PACB as soon as new 13F filings post.

Where does 13F Pro source PACB data?

All PACIFIC BIOSCIENCES OF CALIFORNIA, INC. fundamentals and ownership data come directly from SEC EDGAR. PACIFIC BIOSCIENCES OF CALIFORNIA, INC. files with the SEC under CIK 1299130. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is PACB in?

PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB) is classified in the Technology sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/technology.

How often is PACB research updated on 13F Pro?

PACB's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

PACIFIC BIOSCIENCES OF CALIFORNIA, INC.(PACB)Stock Analysis

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SEC EDGAR: CIK 1299130 PACB stock profile & AI dashboard →

13F Pro Quality Score

10.8/100

Rank #2,802 of 2,879 stocks

View Technology peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

14.5/100

Profitability

4.2/100

Balance Sheet

2.0/100

Earnings Quality

30.0/100

Free Cash Flow

7.1/100

Institutional Flow

12.6/100

Revenue Scale

21.3/100

Dilution Risk

7.2/100

PACB Stock Analysis & AI Quality Score

AI stock analysis and institutional research for PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB), a Technology sector company. 13F Pro's AI-powered ranking engine scores PACB at 10.8/100 on a 32-signal composite quality model, placing it at rank #2,802 of 2,879 stocks — the bottom half of the AI-ranked universe. Areas of concern include balance sheet strength (2.0) and profitability (4.2), which score below median versus the broader universe. Shareholder dilution risk is elevated at 7.2/100, reflecting ongoing share issuance or stock-based compensation. Based on the latest XBRL financial filings (Q1 2026), PACIFIC BIOSCIENCES OF CALIFORNIA, INC. reports quarterly revenue of $37.2M, net income of $-8.3M, free cash flow of $-47.7M. Top institutional holders of PACB by reported 13-F value include ARK Investment Management, BlackRock,, SOFTBANK GROUP, based on the most recent SEC filings. PACB trades on the Nasdaq exchange and files with the SEC under CIK 1299130. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate PACB daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for PACIFIC BIOSCIENCES OF CALIFORNIA, INC. directly from SEC EDGAR.

Revenue

Q1 2026

$37.2M

Net Income

Q1 2026

$-8.3M

Free Cash Flow

Q1 2026

$-47.7M

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

-23.2% YoY

$154.0MFY 2024

FY21 $130.5MFY22 $128.3MFY23 $200.5MFY24 $154.0M

Net Income

-1.0% YoY

$-309.9MFY 2024

FY21 $-181.2MFY22 $-314.2MFY23 $-306.7MFY24 $-309.9M

Operating Income

-41.8% YoY

$-474.3MFY 2024

FY21 $-210.4MFY22 $-307.2MFY23 $-334.5MFY24 $-474.3M

EPS (Diluted)

-31.4% YoY

$-1.59FY 2024

FY21 $-0.89FY22 $-1.40FY23 $-1.21FY24 $-1.59

Total Assets

-27.8% YoY

$1.26BFY 2024

FY21 $2.01BFY22 $1.77BFY23 $1.75BFY24 $1.26B

Total Debt

-100.0% YoY

$0.00FY 2024

FY21 $897.7MFY22 $898.5MFY23 $490.0KFY24 $0.00

Op. Cash Flow

+20.5% YoY

$-206.1MFY 2024

FY21 $-111.2MFY22 $-263.2MFY23 $-259.2MFY24 $-206.1M

Metric	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020	FY 2019
Revenue	$154.0M -23.2%	$200.5M +56.3%	$128.3M -1.7%	$130.5M +65.4%	$78.9M -13.2%	$90.9M
Net Income	$-309.9M -1.0%	$-306.7M +2.4%	$-314.2M -73.4%	$-181.2M -716.3%	$29.4M +134.9%	$-84.1M
Operating Income	$-474.3M -41.8%	$-334.5M -8.9%	$-307.2M -46.0%	$-210.4M -101.6%	$-104.4M -3.8%	$-100.5M
EPS (Diluted)	$-1.59 -31.4%	$-1.21 +13.6%	$-1.40 -57.3%	$-0.89 -623.5%	$0.17 +130.9%	$-0.55
Total Assets	$1.26B -27.8%	$1.75B -1.2%	$1.77B -12.0%	$2.01B +384.8%	$414.0M +179.7%	$148.0M
Total Debt	$0.00 -100.0%	$490.0K -99.9%	$898.5M +0.1%	$897.7M	—	$15.9M
Operating Cash Flow	$-206.1M +20.5%	$-259.2M +1.5%	$-263.2M -136.7%	$-111.2M -670.1%	$19.5M +124.9%	$-78.3M

AI Insight: PACB Financial Trends

PACB's equity collapsed from $507M to $2M over two years despite modest revenue stability around $37-45M quarterly.

• Revenue remained relatively stable, fluctuating between $36M-$45M across quarters with Q4 2025 showing the highest at $45M.

• Operating losses narrowed dramatically from $-429M in Q1 2025 to $-8M in Q1 2026.

• Total equity plummeted from $507M in Q4 2024 to just $2M in Q1 2026.

⚠ Operating cash flow worsened to $-45M in Q1 2026 after improving to $-19M in prior two quarters.

⚠ Equity depletion approaching zero signals potential liquidity crisis or dilutive financing needs.

AI Insight: PACB Ratio Trends

Operating margin dramatically improved from -92.3% in Q4 2025 to -22.5% in Q1 2026, suggesting a sharp operational turnaround.

• Operating margin surged 70pp from -92.3% in Q4 2025 to -22.5% in Q1 2026.

• Net profit margin similarly improved from -90.4% to -22.3% quarter-over-quarter.

• ROA strengthened substantially from -20.6% in Q4 2025 to -4.2% in Q1 2026.

⚠ TTM operating margin of -83.3% remains deeply negative despite Q1 2026 improvement.

⚠ Sparse data availability across quarters limits visibility into consistency of trends.

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Available Research

13F Pro tracks comprehensive data for PACIFIC BIOSCIENCES OF CALIFORNIA, INC. including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of PACB

ARK Investment Management LLC
$47.9M36,273,288 sh
BlackRock, Inc.
$33.4M25,267,429 sh
SOFTBANK GROUP CORP.
$27.0M20,451,570 sh
VANGUARD CAPITAL MANAGEMENT LLC
$16.9M12,777,449 sh
Sumitomo Mitsui Trust Holdings, Inc.
$9.3M7,037,987 sh
Nikko Asset Management Americas, Inc.
$9.2M7,037,987 sh
GEODE CAPITAL MANAGEMENT, LLC
$9.2M6,975,266 sh
STATE STREET CORP
$8.1M6,121,716 sh
MILLENNIUM MANAGEMENT LLC
$6.5M4,892,318 sh
D. E. Shaw & Co., Inc.
$4.8M3,637,547 sh

Fund	Value	Shares
ARK Investment Management LLC	$47.9M	36,273,288
BlackRock, Inc.	$33.4M	25,267,429
SOFTBANK GROUP CORP.	$27.0M	20,451,570
VANGUARD CAPITAL MANAGEMENT LLC	$16.9M	12,777,449
Sumitomo Mitsui Trust Holdings, Inc.	$9.3M	7,037,987
Nikko Asset Management Americas, Inc.	$9.2M	7,037,987
GEODE CAPITAL MANAGEMENT, LLC	$9.2M	6,975,266
STATE STREET CORP	$8.1M	6,121,716
MILLENNIUM MANAGEMENT LLC	$6.5M	4,892,318
D. E. Shaw & Co., Inc.	$4.8M	3,637,547

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Is PACB a good stock to buy?

13F Pro's AI-powered analysis of PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Technology sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for PACB are available on the PACB stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own PACB?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling PACB. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of PACIFIC BIOSCIENCES OF CALIFORNIA, INC.'s investment landscape.