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PACB Insider Trading

Insider Ownership Percentage: 2.50%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $1,161,951.43

Pacific Biosciences of California Insider Trading History Chart

This chart shows the insider buying and selling history at Pacific Biosciences of California by year and by quarter.

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Pacific Biosciences of California Share Price & Price History

Current Price: $1.23
Price Change: ▼ Price Decrease of -0.025 (-2.00%)
As of 05/22/2026 12:55 PM ET

This chart shows the closing price history over time for PACB up to the past year.

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Days: 30 | 90 | 365

Pacific Biosciences of California Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
3/3/2026Christian O HenryInsiderSell12,497$1.51$18,870.473,581,813View SEC Filing Icon  
3/3/2026Michele FarmerInsiderSell2,979$1.51$4,498.29305,948View SEC Filing Icon  
3/3/2026Mark Van OeneInsiderSell6,504$1.51$9,821.042,243,634View SEC Filing Icon  
2/18/2026Christian O HenryInsiderSell140,874$1.63$229,624.622,673,500View SEC Filing Icon  
2/18/2026Michele FarmerInsiderSell14,952$1.63$24,371.76219,092View SEC Filing Icon  
2/18/2026Mark Van OeneInsiderSell55,107$1.63$89,824.411,742,638View SEC Filing Icon  
2/17/2026Christian O HenryInsiderSell331,793$1.58$524,232.942,814,374View SEC Filing Icon  
2/17/2026Michele FarmerInsiderSell35,215$1.58$55,639.70234,044View SEC Filing Icon  
2/17/2026Mark Van OeneInsiderSell129,790$1.58$205,068.201,797,745View SEC Filing Icon  
2/18/2025Michele FarmerInsiderSell24,349$1.88$45,776.12187,592View SEC Filing Icon  
1/10/2025Mark Van OeneInsiderSell34,405$2.03$69,842.151,597,454View SEC Filing Icon  
8/19/2024Jeff EidelInsiderSell26,760$1.59$42,548.40869,730View SEC Filing Icon  
8/16/2024Mark Van OeneInsiderSell38,011$1.66$63,098.261,630,815View SEC Filing Icon  
5/20/2024Michele FarmerInsiderSell5,275$2.03$10,708.25211,941View SEC Filing Icon  
3/6/2024David W MelineDirectorBuy40,000$4.40$176,000.0040,000View SEC Filing Icon  
3/4/2024Michele FarmerInsiderSell2,968$4.87$14,454.16217,216View SEC Filing Icon  
2/20/2024Susan G. KimInsiderSell831$5.26$4,371.06282,758View SEC Filing Icon  
2/16/2024Mark Van OeneInsiderSell33,560$5.96$200,017.60876,611View SEC Filing Icon  
1/9/2024Mark Van OeneInsiderSell31,012$7.77$240,963.24910,171View SEC Filing Icon  
12/14/2023Christian O HenryInsiderSell20,000$10.00$200,000.001,086,095View SEC Filing Icon  
9/29/2023Susan G. KimInsiderSell19,257$8.44$162,529.08306,085View SEC Filing Icon  
9/18/2023Christian O HenryInsiderSell96,844$10.12$980,061.281,106,095View SEC Filing Icon  
9/11/2023Christian O HenryInsiderSell10,000$10.45$104,500.001,202,939View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Pacific Biosciences of California (NASDAQ:PACB)

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at PACB by year and by quarter.

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Pacific Biosciences of California Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/21/2026Essential Partners LLC18,615$25K0.0%N/A0.006%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE1,666,706$2.20M0.0%-10.1%0.537%Search for SEC Filing on Google Icon
5/14/2026Renaissance Technologies LLC2,489,100$3.29M0.0%-35.4%0.801%Search for SEC Filing on Google Icon
5/14/2026Caxton Associates LLP353,130$0.47M0.0%-45.0%0.114%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.166,823$0.22M0.0%N/A0.054%Search for SEC Filing on Google Icon
5/14/2026State of Wyoming55,529$73K0.0%+663.4%0.018%Search for SEC Filing on Google Icon
5/12/2026Himension Capital Singapore PTE. LTD.276,532$0.37M0.0%N/A0.089%Search for SEC Filing on Google Icon
5/8/2026Amova Asset Management Americas Inc.7,037,987$9.22M0.1%-9.9%2.267%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP899,550$1.19M0.0%+177.9%0.290%Search for SEC Filing on Google Icon
5/6/2026Jennison Associates LLC229,794$0.30M0.0%N/A0.074%Search for SEC Filing on Google Icon
5/6/2026SteelPeak Wealth LLC47,872$63K0.0%-41.2%0.015%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp813,406$1.07M0.0%-2.5%0.262%Search for SEC Filing on Google Icon
4/30/2026Hsbc Holdings PLC248,477$0.33M0.0%+371.4%0.080%Search for SEC Filing on Google Icon
4/30/2026Main Street Research LLC152,100$0.20M0.0%N/A0.049%Search for SEC Filing on Google Icon
4/30/2026Sumitomo Mitsui Trust Group Inc.7,037,987$9.29M0.0%-9.9%2.267%Search for SEC Filing on Google Icon
4/29/2026Hartline Investment Corp69,000$91K0.0%+122.6%0.022%Search for SEC Filing on Google Icon
4/18/2026Bourne Lent Asset Management Inc.951,055$1.26M0.5%-1.7%0.315%Search for SEC Filing on Google Icon
4/17/2026AdvisorNet Financial Inc142,057$0.19M0.0%+6.2%0.047%Search for SEC Filing on Google Icon
4/16/2026SG Americas Securities LLC32,061$42K0.0%-68.2%0.011%Search for SEC Filing on Google Icon
4/16/2026Kavar Capital Partners Group LLC93,319$0.12M0.0%N/A0.031%Search for SEC Filing on Google Icon
3/20/2026Hsbc Holdings PLC52,708$98K0.0%N/A0.017%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.1,433,011$2.68M0.0%+29.5%0.475%Search for SEC Filing on Google Icon
2/18/2026Mercer Global Advisors Inc. ADV20,663$39K0.0%+47.9%0.007%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd628,222$1.18M0.0%+5,001.3%0.208%Search for SEC Filing on Google Icon
2/18/2026Polymer Capital Management US LLC37,558$70K0.0%N/A0.012%Search for SEC Filing on Google Icon
2/18/2026Quadrature Capital Ltd206,410$0.39M0.0%-41.4%0.068%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC4,344,569$8.12M0.0%-11.6%1.439%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP21,471$40K0.0%N/A0.007%Search for SEC Filing on Google Icon
2/18/2026Casdin Capital LLC4,223,767$7.90M0.5%+483.6%1.399%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC86,964$0.16M0.0%+69.4%0.029%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers48,943$92K0.0%-67.4%0.016%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC33,746$63K0.0%N/A0.011%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD163,527$0.31M0.0%+12.1%0.054%Search for SEC Filing on Google Icon
2/17/2026Captrust Financial Advisors42,959$80K0.0%N/A0.014%Search for SEC Filing on Google Icon
2/17/2026Graham Capital Management L.P.188,485$0.35M0.0%N/A0.062%Search for SEC Filing on Google Icon
2/17/2026Magnetar Financial LLC31,602$59K0.0%N/A0.010%Search for SEC Filing on Google Icon
2/17/2026Carret Asset Management LLC470,000$0.88M0.1%+11.9%0.156%Search for SEC Filing on Google Icon
2/16/2026Mariner LLC40,004$75K0.0%+251.0%0.013%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC472,108$0.88M0.0%+18.1%0.156%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 82,527$0.15M0.0%-12.1%0.027%Search for SEC Filing on Google Icon
2/13/2026Stifel Financial Corp70,860$0.13M0.0%+29.5%0.023%Search for SEC Filing on Google Icon
2/13/2026Headlands Technologies LLC733,840$1.37M0.1%N/A0.243%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.2,465,853$4.61M0.0%+1.6%0.817%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN314,014$0.59M0.0%+35.4%0.104%Search for SEC Filing on Google Icon
2/12/2026HRT Financial LP1,363,577$2.55M0.0%N/A0.452%Search for SEC Filing on Google Icon
2/12/2026MetLife Investment Management LLC116,188$0.22M0.0%-15.1%0.038%Search for SEC Filing on Google Icon
2/12/2026Cibc World Markets Corp18,268$34K0.0%N/A0.006%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC3,850,600$7.20M0.0%N/A1.275%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP323,749$0.60M0.0%-10.8%0.107%Search for SEC Filing on Google Icon
2/12/2026IQ EQ FUND MANAGEMENT IRELAND Ltd1,894,931$3.54M0.2%+47.0%0.628%Search for SEC Filing on Google Icon
2/12/2026Polen Capital Management LLC137,149$0.26M0.0%N/A0.045%Search for SEC Filing on Google Icon
2/12/2026Nuveen LLC848,219$1.59M0.0%+213.9%0.281%Search for SEC Filing on Google Icon
2/11/2026ARK Investment Management LLC37,264,228$69.68M0.5%+20.5%12.343%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG218,981$0.41M0.0%+4.8%0.073%Search for SEC Filing on Google Icon
2/11/2026Amova Asset Management Americas Inc.7,808,580$14.60M0.2%-10.0%2.586%Search for SEC Filing on Google Icon
2/11/2026Outlook Wealth Advisors LLC18,000$34K0.0%N/A0.006%Search for SEC Filing on Google Icon
2/11/2026LPL Financial LLC274,247$0.51M0.0%+28.1%0.091%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.1,378,872$2.58M0.0%+170.7%0.457%Search for SEC Filing on Google Icon
2/10/2026Clear Harbor Asset Management LLC58,710$0.11M0.0%-53.1%0.019%Search for SEC Filing on Google Icon
2/10/2026Koss Olinger Consulting LLC2,600,000$4.86M0.4%-21.2%0.861%Search for SEC Filing on Google Icon
2/10/2026Intech Investment Management LLC123,936$0.23M0.0%-6.4%0.041%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC7,078,744$13.24M0.0%+2.5%2.345%Search for SEC Filing on Google Icon
2/6/2026IFP Advisors Inc52,787$99K0.0%-44.8%0.017%Search for SEC Filing on Google Icon
2/6/2026ProShare Advisors LLC63,799$0.12M0.0%+10.2%0.021%Search for SEC Filing on Google Icon
2/5/2026Abacus Wealth Partners LLC113,889$0.21M0.0%N/A0.038%Search for SEC Filing on Google Icon
2/2/2026Benjamin Edwards Inc.121,926$0.23M0.0%-8.9%0.040%Search for SEC Filing on Google Icon
1/30/2026Wealthfront Advisers LLC38,041$71K0.0%-57.8%0.013%Search for SEC Filing on Google Icon
1/29/2026UBS Group AG3,171,546$5.93M0.0%+111.8%1.050%Search for SEC Filing on Google Icon
1/27/2026Private Wealth Partners LLC25,000$47K0.0%N/A0.008%Search for SEC Filing on Google Icon
1/23/2026Sumitomo Mitsui Trust Group Inc.7,808,580$14.60M0.0%-10.0%2.586%Search for SEC Filing on Google Icon
1/20/2026SteelPeak Wealth LLC81,422$0.15M0.0%+172.0%0.027%Search for SEC Filing on Google Icon
1/14/2026Mirador Capital Partners LP591,005$1.11M0.2%+1.7%0.196%Search for SEC Filing on Google Icon
1/9/2026SG Americas Securities LLC100,751$0.19M0.0%+42.6%0.033%Search for SEC Filing on Google Icon
1/7/2026Green Alpha Advisors LLC183,466$0.34M0.3%+5.4%0.061%Search for SEC Filing on Google Icon
1/1/2026JPMorgan Chase & Co.468,880$0.60M0.0%-2.4%0.155%Search for SEC Filing on Google Icon
12/15/2025Bourne Lent Asset Management Inc.967,055$1.24M0.4%-0.5%0.320%Search for SEC Filing on Google Icon
12/2/2025IFP Advisors Inc95,612$0.12M0.0%-35.5%0.032%Search for SEC Filing on Google Icon
11/21/2025CIBC Bancorp USA Inc.29,435$38K0.0%N/A0.010%Search for SEC Filing on Google Icon
11/19/2025Caitong International Asset Management Co. Ltd22,776$29K0.0%+891.1%0.008%Search for SEC Filing on Google Icon
11/17/2025Kestra Private Wealth Services LLC49,900$64K0.0%+78.9%0.017%Search for SEC Filing on Google Icon
11/17/2025Water Island Capital LLC35,754$46K0.0%N/A0.012%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC4,916,795$6.29M0.0%+500.9%1.629%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.325,150$0.42M0.0%-7.2%0.108%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP101,957$0.13M0.0%N/A0.034%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE1,472,690$1.89M0.0%+109.6%0.488%Search for SEC Filing on Google Icon
11/14/2025Creative Planning318,850$0.41M0.0%+81.5%0.106%Search for SEC Filing on Google Icon
11/14/2025Zacks Investment Management19,170$25K0.0%N/A0.006%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.161,865$0.21M0.0%+6.5%0.054%Search for SEC Filing on Google Icon
11/14/2025Man Group plc250,276$0.32M0.0%N/A0.083%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP401,766$0.51M0.0%N/A0.133%Search for SEC Filing on Google Icon
11/14/2025Main Street Research LLC142,100$0.18M0.0%N/A0.047%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG1,497,226$1.92M0.0%-24.9%0.496%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets58,326$75K0.0%+60.0%0.019%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.22,871$29K0.0%N/A0.008%Search for SEC Filing on Google Icon
11/12/2025Amova Asset Management Americas Inc.8,677,558$11.02M0.1%-5.9%2.889%Search for SEC Filing on Google Icon
11/12/2025ARK Investment Management LLC30,924,103$39.58M0.2%-14.8%10.295%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP362,823$0.46M0.0%-7.1%0.121%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC132,368$0.17M0.0%+5.2%0.044%Search for SEC Filing on Google Icon
11/10/2025Vestmark Advisory Solutions Inc.601,523$0.77M0.0%-53.5%0.200%Search for SEC Filing on Google Icon
11/10/2025China Universal Asset Management Co. Ltd.52,650$67K0.0%-15.3%0.018%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Pacific Biosciences of California logo
Pacific Biosciences of California, Inc. designs, develops, and manufactures sequencing solution to resolve genetically complex problems. The company provides sequencing systems; consumable products, including single molecule real-time (SMRT) technology; long-red sequencing; and various reagent kits designed for specific workflow, such as preparation kit to convert DNA into SMRTbell double-stranded DNA library formats, including molecular biology reagents, such as ligase, buffers, and exonucleases. It also offers binding kits, such as modified DNA polymerase used to bind SMRTbell libraries to the polymerase in preparation for sequencing; and sequencing kits comprise reagents required for on-instrument, real-time sequencing, including the phospholinked nucleotides. In addition, it provides revio system + sequel systems which conduct, monitor, and analyze single-molecule biochemical reactions in real time; SBB short-read sequencing; onso instrument conducts, monitors, and analyzes SBB biochemical reactions; and SBB consumable, including flow cells, clustering, and sequencing reagent kits. The company serves academic and governmental research institutions; commercial testing and service laboratories; genome centers; public health labs, hospitals and clinical research institutes, and contract research organizations; pharmaceutical companies; and agricultural companies. It markets its products through a sales force and distribution partners in Asia, Australia, Europe, the Middle East, Africa, and Latin America. It has a development and commercialization agreement with Invitae Corporation; and a collaboration with Radboud University Medical to explore genetic causes of rare and genetic diseases. The company was formerly known as Nanofluidics, Inc. and changed its name to Pacific Biosciences of California, Inc. in 2005. Pacific Biosciences of California, Inc. was incorporated in 2000 and is headquartered in Menlo Park, California.
Read More on Pacific Biosciences of California

Today's Range

Now: $1.23
Low: $1.21
High: $1.29

50 Day Range

MA: $1.42
Low: $1.12
High: $1.74

52 Week Range

Now: $1.23
Low: $0.85
High: $2.73

Volume

2,733,130 shs

Average Volume

6,696,643 shs

Market Capitalization

$380.49 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.4

Who are the company insiders with the largest holdings of Pacific Biosciences of California?

Pacific Biosciences of California's top insider investors include:
  1. Christian O Henry (Insider)
  2. Michael Hunkapiller (CEO)
  3. Oene Mark Van (Insider)
  4. Michael Hunkapiller (Director)
  5. Susan K Barnes (CFO)
  6. Jeff Eidel (Insider)
  7. Susan G Kim (Insider)
  8. Michele Farmer (Insider)
  9. James Michael Phillips (SVP)
  10. Kathy Ordonez (Director)
Learn More about top insider investors at Pacific Biosciences of California.

Who are the major institutional investors of Pacific Biosciences of California?

Pacific Biosciences of California's top institutional investors include:
  1. Sumitomo Mitsui Trust Group Inc. — 2.27%
  2. Amova Asset Management Americas Inc. — 2.27%
  3. Renaissance Technologies LLC — 0.80%
  4. Bank of America Corp DE — 0.54%
  5. Bourne Lent Asset Management Inc. — 0.31%
  6. Dimensional Fund Advisors LP — 0.29%
Learn More about top institutional investors of Pacific Biosciences of California stock.

Which institutional investors are selling Pacific Biosciences of California stock?

Within the last quarter, PACB stock was sold by these institutional investors:
  1. Renaissance Technologies LLC
  2. Sumitomo Mitsui Trust Group Inc.
  3. Amova Asset Management Americas Inc.
  4. Caxton Associates LLP
  5. Bank of America Corp DE
  6. SG Americas Securities LLC
  7. SteelPeak Wealth LLC
  8. Bank of New York Mellon Corp
In the previous year, company insiders that have sold Pacific Biosciences of California company stock include:
  1. Christian O Henry (Insider)
  2. Oene Mark Van (Insider)
  3. Michele Farmer (Insider)
Learn More investors selling Pacific Biosciences of California stock.

Which institutional investors are buying Pacific Biosciences of California stock?

Within the previous quarter, PACB stock was bought by institutional investors including:
  1. Dimensional Fund Advisors LP
  2. Himension Capital Singapore PTE. LTD.
  3. Jennison Associates LLC
  4. Hsbc Holdings PLC
  5. Sei Investments Co.
  6. Main Street Research LLC
  7. Kavar Capital Partners Group LLC
  8. State of Wyoming

Pacific Biosciences of California Active Insiders

Oene Mark Van
Oene Mark Van (Age 53)
COO
3 recent trades
Susan G Kim
Susan G Kim (Age 50)
CFO
William W Ericson
William W Ericson
Director
Kathy Ordonez
Kathy Ordonez
Director
Peter Fromen
Peter Fromen
Insider
Mr. Christian O. Henry .
Mr. Christian O. Henry .
Pres
3 recent trades
Christian O Henry
Christian O Henry
Insider
3 recent trades
Michele Farmer
Michele Farmer
Insider
3 recent trades
Jeff Eidel
Jeff Eidel
Insider