// company-profile

Pacific Biosciences of California, Inc.

PACB
ExchangeNasdaqSectorLaboratory Analytical InstrumentsInc.DEFilings92Insiders17
// api This Pacific Biosciences of California, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 8 insiders purchased shares. Buying was led by LIVINGSTON RANDALL S.

// 90-day insight

Over the last 90 days, Pacific Biosciences of California, Inc. insiders bought $0 (10 transactions) and sold $121K (1 transaction).

  • Most active insider: Gibson Christopher with 3 transactions totaling $0.
  • Largest single sale: $121K by Gibson James R II on Apr 1, 2026.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Pacific Biosciences of California, Inc. as of 2026-03-31

↓ decreasing
Total reported AUM
$240.7M
QoQ change
-27.3%
Reporting period
2026-03-31
#1
ARK Investment Management LLC
CIK 1697748
$47.9M
36.3M shares
#2
SOFTBANK GROUP CORP.
CIK 1065521
$27.0M
20.5M shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$16.9M
12.8M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 3, 2026LIVINGSTON RANDALL SPACB
Award
223,492$0.00$0K
Jun 3, 2026ORDONEZ KATHYPACB
Award
223,492$0.00$0K
Jun 3, 2026Gibson ChristopherPACB
Award
74,497$0.00$0K
Jun 3, 2026MOHR MARSHALLPACB
Award
223,492$0.00$0K
Jun 3, 2026Smith Christopher MPACB
Award
223,492$0.00$0K

45 more transactions hidden

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