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Pacific Biosciences of California, Inc.

PACB
Exchange
Nasdaq
Industry
Laboratory Analytical Instruments
SEC CIK
0001299130

In the last 90 days, Pacific Biosciences of California, Inc. insiders filed 0 open-market purchases and 1 sale; 223 institutions reported holding it in 13F filings for Q2 2026, worth $320.8M in total; superinvestors ARK Invest and HHLR Advisors (Hillhouse) hold it.

13F holders, Q1 2024

Institutional positions in Pacific Biosciences of California, Inc. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
268
−2 vs. Q4 2023
Shares held
266.1M
−14.7M (−5.2%) vs. Q4 2023
Total value
$1.01B
−$1.75B (−63.5%) vs. Q4 2023
New holders
48
93 more added
Sold out
50
70 more reduced

4 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PACB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2024: 268 institutions
Q1 2021: 263 institutionsQ2 2021: 261 institutionsQ3 2021: 246 institutionsQ4 2021: 256 institutionsQ1 2022: 250 institutionsQ2 2022: 230 institutionsQ3 2022: 227 institutionsQ4 2022: 237 institutionsQ1 2023: 260 institutionsQ2 2023: 272 institutionsQ3 2023: 275 institutionsQ4 2023: 274 institutionsQ1 2024: 268 institutionsQ2 2024: 229 institutionsQ3 2024: 226 institutionsQ4 2024: 227 institutionsQ1 2025: 225 institutionsQ2 2025: 207 institutionsQ3 2025: 208 institutionsQ4 2025: 216 institutionsQ1 2026: 231 institutionsQ2 2026: 223 institutions
Value heldQ1 2024: $1.01B
Q1 2021: $5.47BQ2 2021: $6.04BQ3 2021: $4.83BQ4 2021: $4.20BQ1 2022: $2.03BQ2 2022: $1.03BQ3 2022: $1.23BQ4 2022: $1.84BQ1 2023: $2.93BQ2 2023: $3.37BQ3 2023: $2.20BQ4 2023: $2.76BQ1 2024: $1.01BQ2 2024: $331.9MQ3 2024: $394.3MQ4 2024: $475.1MQ1 2025: $265.6MQ2 2025: $245.8MQ3 2025: $237.8MQ4 2025: $373.5MQ1 2026: $248.5MQ2 2026: $320.8M
Institutions holding PACB and their total value by quarter
QuarterHoldersValue
Q2 2026223$320.8M
Q1 2026231$248.5M
Q4 2025216$373.5M
Q3 2025208$237.8M
Q2 2025207$245.8M
Q1 2025225$265.6M
Q4 2024227$475.1M
Q3 2024226$394.3M
Q2 2024229$331.9M
Q1 2024268$1.01B
Q4 2023274$2.76B
Q3 2023275$2.20B
Q2 2023272$3.37B
Q1 2023260$2.93B
Q4 2022237$1.84B
Q3 2022227$1.23B
Q2 2022230$1.03B
Q1 2022250$2.03B
Q4 2021256$4.20B
Q3 2021246$4.83B
Q2 2021261$6.04B
Q1 2021263$5.47B

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q4 2023.

Institutions holding PACB in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Oxford Asset Management LLP21,451$80.4K0.09%+21,451New
HarbourVest Partners LLC23,484$88.1K0.04%00.0%Unchanged
Sandbox Financial Partners, LLC24,000$90.0K0.04%00.0%Unchanged
Private Advisor Group, LLC25,333$95.0K0.00%+5,942+30.6%Added
Raymond James Financial Services Advisors, Inc.25,360$95.1K0.00%+4,578+22.0%Added
Numerai GP LLC25,769$96.6K0.04%+25,769New
Ameritas Investment Partners, Inc.26,094$97.9K0.00%00.0%Unchanged
Veriti Management LLC26,252$98.4K0.01%+26,252New
Public Employees Retirement Association of Colorado26,468$99.0K0.00%00.0%Unchanged
Fox Run Management, L.L.C.26,744$100.3K0.02%+1,056+4.1%Added
Atom Investors LP26,751$100.3K0.01%+26,751New
Pictet Asset Management Holding SA27,025$101.3K0.00%00.0%Unchanged
Aigen Investment Management, LP28,098$105.4K0.02%+28,098New
Versor Investments LP29,779$111.7K0.02%−35,412−54.3%Reduced
Ambassador Advisors, LLC30,000$112.5K0.02%00.0%Unchanged
EMC Capital Management32,700$114.0K0.07%+20,100+159.5%Added
Interchange Capital Partners, LLC28,641$114.2K0.08%+9,932+53.1%Added
Cerity Partners LLC31,235$117.1K0.00%+31,235New
Ameriprise Financial Inc31,410$117.8K0.00%−1,042,745−97.1%Reduced
Man Group plc31,500$118.1K0.00%−4,501−12.5%Reduced
Carret Asset Management, LLC32,000$120.0K0.01%+11,000+52.4%Added
Simplex Trading, LLC33,006$123.0K0.00%−293,785−89.9%Reduced
Victory Capital Management Inc33,187$124.5K0.00%−1,061,537−97.0%Reduced
Axxcess Wealth Management, LLC35,175$131.9K0.00%+13,382+61.4%Added
AdvisorNet Financial, Inc36,845$138.2K0.01%+1,325+3.7%Added
GTS Securities LLC37,445$140.4K0.00%−279,090−88.2%Reduced
Brevan Howard Capital Management LP39,969$149.9K0.01%+39,969New
First Trust Advisors LP39,974$149.9K0.00%+25,366+173.6%Added
Private Wealth Partners, LLC40,000$150.0K0.01%+30,000+300.0%Added
Cetera Investment Advisers41,517$155.7K0.00%+27,105+188.1%Added
Amundi112,869$164.8K0.00%00.0%Unchanged
HighTower Advisors, LLC44,421$165.0K0.00%−2,136−4.6%Reduced
HSBC Holdings PLC46,223$173.3K0.00%−30,757−40.0%Reduced
Henshaw Capital LLC48,109$180.4K0.01%+11,718+32.2%Added
Green Alpha Advisors, LLC49,947$187.3K0.14%+8,512+20.5%Added
Evolution Wealth Advisors, LLC50,000$187.5K0.04%00.0%Unchanged
Citigroup Inc51,006$191.3K0.00%−5,307−9.4%Reduced
Wealth Architects, LLC52,443$196.7K0.03%+52,443New
China Universal Asset Management Co., Ltd.53,448$200.4K0.03%+20,593+62.7%Added
Handelsbanken Fonder AB53,800$202.0K0.00%00.0%Unchanged
Fisher Asset Management, LLC54,982$206.2K0.00%+28+0.1%Added
Stifel Financial Corp56,074$210.3K0.00%−77,800−58.1%Reduced
Arete Wealth Advisors, LLC56,868$213.3K0.02%+39,757+232.3%Added
Principal Financial Group Inc60,378$226.4K0.00%−1,095−1.8%Reduced
Capstone Investment Advisors, LLC61,790$231.7K0.00%+42,949+228.0%Added
ProShare Advisors LLC64,070$240.3K0.00%+5,300+9.0%Added
Arizona State Retirement System66,150$248.1K0.00%−390−0.6%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)66,974$251.2K0.00%+46+0.1%Added
Voloridge Investment Management, LLC69,114$259.2K0.00%+69,114New
Archford Capital Strategies, LLC70,758$265.3K0.04%+50,734+253.4%Added
DekaBank Deutsche Girozentrale73,300$272.0K0.00%00.0%Unchanged
Lombard Odier Asset Management (USA) Corp74,465$279.2K0.04%+74,465New
Exome Asset Management LLC75,300$282.4K0.24%00.0%Unchanged
Cresset Asset Management, LLC78,910$295.9K0.00%+15,688+24.8%Added
Voya Investment Management LLC82,445$309.2K0.00%−17,935−17.9%Reduced
Campbell & CO Investment Adviser LLC84,454$316.7K0.03%+44,839+113.2%Added
New York State Common Retirement Fund84,500$316.9K0.00%−16,400−16.3%Reduced
Raymond James & Associates86,606$324.8K0.00%+19,213+28.5%Added
Franklin Resources Inc86,768$325.4K0.00%+66,159+321.0%Added
Quantbot Technologies LP88,834$333.1K0.02%+68,195+330.4%Added
Great West Life Assurance Co90,106$337.0K0.00%+1,270+1.4%Added
Steel Peak Wealth Management LLC94,589$354.7K0.02%+94,589New
Advisor Group Holdings, Inc.95,723$359.0K0.00%+34,971+57.6%Added
Ensign Peak Advisors, Inc98,112$367.9K0.00%+4,662+5.0%Added
Gabelli Funds LLC100,000$375.0K0.00%00.0%Unchanged
NJ State Employees Deferred Compensation Plan100,000$375.0K0.05%00.0%Unchanged
Abacus Planning Group, Inc.100,000$375.0K0.07%00.0%Unchanged
Nebula Research & Development LLC106,434$399.1K0.09%+106,434New
Quarry LP106,985$401.2K0.16%+106,985New
AQR Capital Management LLC108,364$406.4K0.00%+36,274+50.3%Added
Russell Investments Group, Ltd.108,586$407.2K0.00%+4,443+4.3%Added
Janus Henderson Group PLC111,324$416.9K0.00%+480.0%Added
Capital Impact Advisors, LLC112,567$422.1K0.55%−33,007−22.7%Reduced
Clear Harbor Asset Management, LLC114,936$431.0K0.04%+50,886+79.4%Added
IMC-Chicago, LLC115,620$433.6K0.02%+115,620New
Royal Bank of Canada119,158$447.0K0.00%−92,617−43.7%Reduced
Koa Wealth Management, LLC120,000$450.0K0.41%00.0%Unchanged
MetLife Investment Management121,301$454.9K0.00%−10,494−8.0%Reduced
American International Group, Inc.124,232$465.9K0.00%−1,066−0.9%Reduced
Envestnet Asset Management Inc125,507$470.7K0.00%−3,522−2.7%Reduced
Wells Fargo & Company141,959$532.3K0.00%+41,421+41.2%Added
Two Sigma Advisers, LP144,400$541.5K0.00%−7,400−4.9%Reduced
Connor, Clark & Lunn Investment Management Ltd.148,046$555.2K0.00%+148,046New
Sherbrooke Park Advisers LLC155,769$584.1K0.11%+155,769New
Moloney Securities Asset Management, LLC164,700$617.6K0.09%+164,700New
Deutsche Bank AG168,012$630.0K0.00%+9,265+5.8%Added
State of Wisconsin Investment Board173,543$650.8K0.00%−22,478−11.5%Reduced
Algert Global LLC180,000$675.0K0.03%+150,640+513.1%Added
LPL Financial LLC180,652$677.4K0.00%+477+0.3%Added
Two Sigma Investments, LP188,692$707.6K0.00%+115,119+156.5%Added
Dynamic Technology Lab Private Ltd193,609$726.0K0.08%+40,487+26.4%Added
Group One Trading, L.P.193,915$727.2K0.03%−210,072−52.0%Reduced
SpiderRock Advisors, LLC201,534$739.6K0.02%+201,534New
Nordea Investment Management AB214,155$814.9K0.00%+71,398+50.0%Added
State Board of Administration of Florida Retirement System71,101$823.4K0.00%−840−1.2%Reduced
Daiwa Securities Group Inc.225,792$846.0K0.00%+224,883+24,739.6%Added
Guggenheim Capital LLC227,526$853.2K0.01%+32,149+16.5%Added
Legal & General Group Plc235,610$883.5K0.00%−662−0.3%Reduced
California State Teachers Retirement System241,821$906.8K0.00%−11,673−4.6%Reduced
Invesco Ltd.242,733$910.2K0.00%+40,741+20.2%Added