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Pacific Biosciences of California (PACB) Institutional Ownership

Pacific Biosciences of California logo
$2.10 -0.23 (-9.87%)
Closing price 10/12/2026 04:00 PM Eastern
Extended Trading
$2.11 +0.01 (+0.48%)
As of 08:51 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Pacific Biosciences of California (NASDAQ:PACB)

Number of
Institutional Buyers
(last 12 months)
86
Total
Institutional Inflows
(last 12 months)
$117.51M
Number of
Institutional Sellers
(last 12 months)
32
Total
Institutional Outflows
(last 12 months)
$22.08M
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PACB Institutional Buying and Selling by Quarter

Pacific Biosciences of California Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/8/2026Green Alpha Advisors LLC33,428$79K0.1%-81.3%0.011%
9/9/2026Sequoia Financial Advisors LLC31,355$53K0.0%N/A0.010%
9/9/2026IFP Advisors Inc18,609$31K0.0%-46.4%0.006%
9/9/2026Squarepoint Ops LLC41,776$70K0.0%N/A0.013%
8/19/2026Hsbc Holdings PLC280,306$463K0.0%+12.8%0.090%
8/17/2026Corient Private Wealth LP17,706$30K0.0%N/A0.006%
8/17/2026Bank of America Corp DE1,348,131$2.27M0.0%N/A0.434%
8/15/2026Hhlr Advisors LTD.918,892$1.54M0.2%N/A0.296%
8/15/2026Man Group plc597,334$1.00M0.0%N/A0.192%
8/14/2026Hsbc Holdings PLC280,306$463K0.0%N/A0.090%
8/14/2026Canada Pension Plan Investment Board33,400$56K0.0%N/A0.011%
8/14/2026Legal & General Group Plc27,572$46K0.0%N/A0.009%
8/14/2026The Manufacturers Life Insurance Company75,341$127K0.0%N/A0.024%
8/13/2026Sanctuary Advisors LLC37,458$63K0.0%N/A0.012%
8/13/2026Connor Clark & Lunn Investment Management Ltd.348,324$585K0.0%N/A0.112%
8/13/2026PEAK6 LLC555,552$933K0.0%N/A0.179%
8/13/2026Clear Harbor Asset Management LLC29,900$50K0.0%N/A0.010%
8/12/2026Ieq Capital LLC123,782$208K0.0%N/A0.040%
8/11/2026Green Alpha Advisors LLC178,655$300K0.2%N/A0.058%
8/11/2026Pinegrove Venture Partners LLC20,586$34.58K0.0%N/A0.007%
8/8/2026Wealthfront Advisers LLC39,511$66K0.0%N/A0.013%
8/7/2026BlackRock Inc.32,339,550$54.33M0.0%N/A10.412%
8/7/2026Deutsche Bank AG267,386$449K0.0%N/A0.086%
8/6/2026Bank of New York Mellon Corp767,567$1.29M0.0%N/A0.247%
8/6/2026State of Wyoming54,267$91K0.0%N/A0.017%
7/7/2026Mirador Capital Partners LP342,482$575K0.1%-43.4%0.110%
5/21/2026Essential Partners LLC18,615$25K0.0%N/A0.006%
5/19/2026Bank of America Corp DE1,666,706$2.20M0.0%-10.1%0.537%
5/14/2026Renaissance Technologies LLC2,489,100$3.29M0.0%-35.4%0.801%
5/14/2026Caxton Associates LLP353,130$466K0.0%-45.0%0.114%
5/14/2026Sei Investments Co.166,823$220K0.0%N/A0.054%
5/14/2026State of Wyoming55,529$73K0.0%+663.4%0.018%
5/12/2026Himension Capital Singapore PTE. LTD.276,532$365K0.0%N/A0.089%
5/8/2026Amova Asset Management Americas Inc.7,037,987$9.22M0.1%-9.9%2.267%
5/7/2026Dimensional Fund Advisors LP899,550$1.19M0.0%+177.9%0.290%
5/6/2026Jennison Associates LLC229,794$303K0.0%N/A0.074%
5/6/2026SteelPeak Wealth LLC47,872$63K0.0%-41.2%0.015%
5/5/2026Bank of New York Mellon Corp813,406$1.07M0.0%-2.5%0.262%
4/30/2026Hsbc Holdings PLC248,477$327K0.0%+371.4%0.080%
4/30/2026Main Street Research LLC152,100$201K0.0%N/A0.049%
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4/30/2026Sumitomo Mitsui Trust Group Inc.7,037,987$9.29M0.0%-9.9%2.267%
4/29/2026Hartline Investment Corp69,000$91K0.0%+122.6%0.022%
4/18/2026Bourne Lent Asset Management Inc.951,055$1.26M0.5%-1.7%0.315%
4/17/2026AdvisorNet Financial Inc142,057$188K0.0%+6.2%0.047%
4/16/2026SG Americas Securities LLC32,061$42K0.0%-68.2%0.011%
4/16/2026Kavar Capital Partners Group LLC93,319$123K0.0%N/A0.031%
3/20/2026Hsbc Holdings PLC52,708$98K0.0%N/A0.017%
2/19/2026Invesco Ltd.1,433,011$2.68M0.0%+29.5%0.475%
2/18/2026Mercer Global Advisors Inc. ADV20,663$39K0.0%+47.9%0.007%
2/18/2026XTX Topco Ltd628,222$1.18M0.0%+5,001.3%0.208%
2/18/2026Polymer Capital Management US LLC37,558$70K0.0%N/A0.012%
2/18/2026Quadrature Capital Ltd206,410$386K0.0%-41.4%0.068%
2/18/2026Millennium Management LLC4,344,569$8.12M0.0%-11.6%1.439%
2/18/2026Engineers Gate Manager LP21,471$40K0.0%N/A0.007%
2/18/2026Casdin Capital LLC4,223,767$7.90M0.5%+483.6%1.399%
2/17/2026AQR Capital Management LLC86,964$163K0.0%+69.4%0.029%
2/17/2026Cetera Investment Advisers48,943$92K0.0%-67.4%0.016%
2/17/2026Jump Financial LLC33,746$63K0.0%N/A0.011%
2/17/2026Price T Rowe Associates Inc. MD163,527$306K0.0%+12.1%0.054%
2/17/2026Captrust Financial Advisors42,959$80K0.0%N/A0.014%
2/17/2026Graham Capital Management L.P.188,485$352K0.0%N/A0.062%
2/17/2026Magnetar Financial LLC31,602$59K0.0%N/A0.010%
2/17/2026Carret Asset Management LLC470,000$879K0.1%+11.9%0.156%
2/16/2026Mariner LLC40,004$75K0.0%+251.0%0.013%
2/16/2026Barclays PLC472,108$883K0.0%+18.1%0.156%
2/13/2026The Manufacturers Life Insurance Company 82,527$154K0.0%-12.1%0.027%
2/13/2026Stifel Financial Corp70,860$133K0.0%+29.5%0.023%
2/13/2026Headlands Technologies LLC733,840$1.37M0.1%N/A0.243%
2/13/2026Charles Schwab Investment Management Inc.2,465,853$4.61M0.0%+1.6%0.817%
2/13/2026Wells Fargo & Company MN314,014$587K0.0%+35.4%0.104%
2/12/2026HRT Financial LP1,363,577$2.55M0.0%N/A0.452%
2/12/2026MetLife Investment Management LLC116,188$217K0.0%-15.1%0.038%
2/12/2026Cibc World Markets Corp18,268$34K0.0%N/A0.006%
2/12/2026Renaissance Technologies LLC3,850,600$7.20M0.0%N/A1.275%
2/12/2026Dimensional Fund Advisors LP323,749$603K0.0%-10.8%0.107%
2/12/2026IQ EQ FUND MANAGEMENT IRELAND Ltd1,894,931$3.54M0.2%+47.0%0.628%
2/12/2026Polen Capital Management LLC137,149$256K0.0%N/A0.045%
2/12/2026Nuveen LLC848,219$1.59M0.0%+213.9%0.281%
2/11/2026ARK Investment Management LLC37,264,228$69.68M0.5%+20.5%12.343%
2/11/2026Deutsche Bank AG218,981$409K0.0%+4.8%0.073%
2/11/2026Amova Asset Management Americas Inc.7,808,580$14.60M0.2%-10.0%2.586%
2/11/2026Outlook Wealth Advisors LLC18,000$34K0.0%N/A0.006%
2/11/2026LPL Financial LLC274,247$513K0.0%+28.1%0.091%
2/10/2026Goldman Sachs Group Inc.1,378,872$2.58M0.0%+170.7%0.457%
2/10/2026Clear Harbor Asset Management LLC58,710$110K0.0%-53.1%0.019%
2/10/2026Koss Olinger Consulting LLC2,600,000$4.86M0.4%-21.2%0.861%
2/10/2026Intech Investment Management LLC123,936$232K0.0%-6.4%0.041%
2/9/2026Geode Capital Management LLC7,078,744$13.24M0.0%+2.5%2.345%
2/6/2026IFP Advisors Inc52,787$99K0.0%-44.8%0.017%
2/6/2026ProShare Advisors LLC63,799$119K0.0%+10.2%0.021%
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2/5/2026Abacus Wealth Partners LLC113,889$213K0.0%N/A0.038%
2/2/2026Benjamin Edwards Inc.121,926$228K0.0%-8.9%0.040%
1/30/2026Wealthfront Advisers LLC38,041$71K0.0%-57.8%0.013%
1/29/2026UBS Group AG3,171,546$5.93M0.0%+111.8%1.050%
1/27/2026Private Wealth Partners LLC25,000$47K0.0%N/A0.008%
1/23/2026Sumitomo Mitsui Trust Group Inc.7,808,580$14.60M0.0%-10.0%2.586%
1/20/2026SteelPeak Wealth LLC81,422$152K0.0%+172.0%0.027%
1/14/2026Mirador Capital Partners LP591,005$1.11M0.2%+1.7%0.196%
1/9/2026SG Americas Securities LLC100,751$188K0.0%+42.6%0.033%
1/7/2026Green Alpha Advisors LLC183,466$343K0.3%+5.4%0.061%


PACB Institutional Ownership - Frequently Asked Questions

During the previous two years, 164 institutional investors and hedge funds held shares of Pacific Biosciences of California. The most heavily invested institutionals were ARK Investment Management LLC ($69.68M), BlackRock Inc. ($54.33M), Softbank Group CORP. ($37.43M), Vanguard Group Inc. ($20.97M), Edmond DE Rothschild Holding S.A. ($16.57M), Geode Capital Management LLC ($13.24M), and Nikko Asset Management Americas Inc. ($11.34M).Learn more on Pacific Biosciences of California's institutional investors.

Of the 137 institutional investors that purchased Pacific Biosciences of California's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($32.34M), Softbank Group CORP. ($20.45M), Millennium Management LLC ($10.94M), ARK Investment Management LLC ($9.61M), T. Rowe Price Investment Management Inc. ($4.90M), Renaissance Technologies LLC ($3.85M), and Casdin Capital LLC ($3.50M).

Institutional investors have bought a total of 69,746,567 shares in the last 24 months. This purchase volume represents approximately $117.51M in transactions.

Of the 32 institutional investors that sold Pacific Biosciences of California's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: ARK Investment Management LLC ($5.37M), Amova Asset Management Americas Inc. ($2.18M), Sumitomo Mitsui Trust Group Inc. ($2.18M), Renaissance Technologies LLC ($1.36M), Koss Olinger Consulting LLC ($700K), Vestmark Advisory Solutions Inc. ($692.66K), and Millennium Management LLC ($572.23K).

Institutional investors have sold a total of 15,325,577 shares in the last 24 months. This volume of shares sold represents approximately $22.08M in transactions.


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Institutional ownership data for NASDAQ:PACB is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 10/8/2026. New 13F filings are added each quarter as they're published.
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