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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, Q2 2024

Institutional positions in Pacific Biosciences of California, Inc. as of Jun 30, 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
229
−37 vs. Q1 2024
Shares held
242.4M
−23.4M (−8.8%) vs. Q1 2024
Total value
$331.9M
−$672.1M (−66.9%) vs. Q1 2024
New holders
34
82 more added
Sold out
71
60 more reduced

2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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 holdersQ2 2024: 229 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 heldQ2 2024: $331.9M
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, Q2 2024

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q1 2024.

Institutions holding PACB in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest33,212,454$45.5M0.40%−77,683−0.2%Reduced
Vanguard Group Inc25,998,943$35.6M0.00%−607,542−2.3%Reduced
BlackRock Inc.23,608,688$32.3M0.00%+213,704+0.9%Added
Madrone Advisors, LLC23,391,915$32.0M5.63%+5,800,000+33.0%Added
Edmond de Rothschild Holding S.A.16,736,420$22.9M0.39%+6,229,133+59.3%Added
Sumitomo Mitsui Trust Holdings, Inc.12,640,561$17.3M0.01%−183,824−1.4%Reduced
Nikko Asset Management Americas, Inc.12,640,561$17.2M0.20%−183,824−1.4%Reduced
Bank of New York Mellon Corp9,935,171$13.6M0.00%−1,440,228−12.7%Reduced
Jackson Square Partners, LLC8,883,443$12.2M0.74%+1,699,130+23.7%Added
Geode Capital Management, LLC6,102,872$8.36M0.00%+460,093+8.2%Added
State Street Corp5,935,390$8.13M0.00%+166,503+2.9%Added
Millennium Management LLC4,629,627$6.34M0.01%+2,215,506+91.8%Added
Goldman Sachs Group Inc3,982,565$5.46M0.00%+1,776,559+80.5%Added
Capital World Investors3,390,000$4.64M0.00%00.0%Unchanged
Morgan Stanley3,079,756$4.22M0.00%+1,176,905+61.8%Added
VK Services, LLC2,632,784$3.61M0.88%00.0%Unchanged
Northern Trust Corp2,504,276$3.43M0.00%−38,621−1.5%Reduced
Charles Schwab Investment Management Inc1,957,496$2.68M0.00%−30,023−1.5%Reduced
Price T Rowe Associates Inc1,939,234$2.66M0.00%−16,148−0.8%Reduced
Bank of America Corp1,863,893$2.55M0.00%+264,750+16.6%Added
Jane Street Group, LLC1,704,491$2.34M0.00%+1,183,680+227.3%Added
Soros Fund Management LLCSuperinvestorSoros Fund Management1,698,000$2.33M0.05%+65,000+4.0%Added
D. E. Shaw & Co., Inc.1,645,499$2.25M0.00%+836,239+103.3%Added
Marshall Wace, LLP1,611,300$2.21M0.00%+1,117,966+226.6%Added
Dimensional Fund Advisors LP1,313,137$1.80M0.00%−2,121,331−61.8%Reduced
Assenagon Asset Management S.A.1,295,303$1.77M0.00%+1,295,303New
Norges Bank1,213,637$1.66M0.00%−338,940−21.8%Reduced
Casdin Capital, LLC1,035,859$1.42M0.11%00.0%Unchanged
BNP Paribas Arbitrage, SA1,004,115$1.38M0.00%−163,593−14.0%Reduced
Bourne Lent Asset Management Inc951,395$1.30M0.50%+296,980+45.4%Added
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)918,892$1.26M0.03%00.0%Unchanged
Citadel Advisors LLC904,201$1.24M0.00%−578,114−39.0%Reduced
Group One Trading, L.P.900,144$1.23M0.04%+706,229+364.2%Added
Two Sigma Investments, LP835,420$1.14M0.00%+646,728+342.7%Added
UBS Group AG829,134$1.14M0.00%+151,881+22.4%Added
Mirae Asset Global ETFs Holdings Ltd.818,902$1.12M0.00%+818,902New
Susquehanna International Group, LLP817,761$1.12M0.00%+288,145+54.4%Added
Senvest Management, LLC803,954$1.10M0.04%+109,400+15.8%Added
Koss-Olinger Consulting, LLC800,000$1.10M0.10%+800,000New
Vestmark Advisory Solutions, Inc.710,850$973.9K0.04%−224,439−24.0%Reduced
SEI Investments Co643,436$881.5K0.00%−914,278−58.7%Reduced
UBS Asset Management Americas Inc598,730$820.3K0.00%+301,959+101.7%Added
Gsa Capital Partners LLP595,874$816.0K0.06%+595,874New
Squarepoint Ops LLC524,608$718.7K0.00%+524,608New
JPMorgan Chase & Co518,550$710.4K0.00%−342,843−39.8%Reduced
Swiss National Bank475,246$651.1K0.00%00.0%Unchanged
ArrowMark Colorado Holdings LLC468,382$641.7K0.01%00.0%Unchanged
Federated Hermes, Inc.446,854$612.2K0.00%+446,854New
Rhumbline Advisers436,868$598.5K0.00%+51,727+13.4%Added
Nordea Investment Management AB432,337$594.5K0.00%+218,182+101.9%Added
Oracle Investment Management Inc423,138$579.7K0.62%−932,888−68.8%Reduced
Alliancebernstein L.P.342,540$469.3K0.00%+71,810+26.5%Added
Algert Global LLC341,066$467.3K0.02%+161,066+89.5%Added
Manufacturers Life Insurance Company, The329,815$451.8K0.00%+15,567+5.0%Added
TD Asset Management Inc292,686$401.0K0.00%−240,814−45.1%Reduced
Nan Fung Group Holdings Ltd274,488$376.0K0.40%00.0%Unchanged
Nuveen Asset Management, LLC270,184$370.2K0.00%−409,742−60.3%Reduced
Invesco Ltd.253,854$347.8K0.00%+11,121+4.6%Added
Barclays PLC244,954$335.6K0.00%−420,123−63.2%Reduced
California State Teachers Retirement System241,104$330.3K0.00%−717−0.3%Reduced
Daiwa Securities Group Inc.235,308$322.0K0.00%+9,516+4.2%Added
Legal & General Group Plc234,635$321.4K0.00%−975−0.4%Reduced
Brevan Howard Capital Management LP222,403$304.7K0.02%+182,434+456.4%Added
LPL Financial LLC201,442$276.0K0.00%+20,790+11.5%Added
Guggenheim Capital LLC189,824$260.1K0.00%−37,702−16.6%Reduced
State of Wisconsin Investment Board169,138$231.7K0.00%−4,405−2.5%Reduced
Walleye Capital LLC154,631$211.8K0.00%+148,209+2,307.8%Added
MetLife Investment Management154,159$211.2K0.00%+32,858+27.1%Added
Moloney Securities Asset Management, LLC152,700$209.2K0.03%−12,000−7.3%Reduced
Wells Fargo & Company148,637$203.6K0.00%+6,678+4.7%Added
Corebridge Financial, Inc.147,163$201.6K0.00%+147,163New
Benjamin F. Edwards & Company, Inc.141,830$194.0K0.00%+139,408+5,755.9%Added
Farallon Capital Management, L.L.C.135,000$184.9K0.00%−3,637,452−96.4%Reduced
Two Sigma Advisers, LP122,200$167.4K0.00%−22,200−15.4%Reduced
Koa Wealth Management, LLC120,000$164.4K0.14%00.0%Unchanged
Clear Harbor Asset Management, LLC119,936$164.3K0.01%+5,000+4.4%Added
Russell Investments Group, Ltd.119,522$163.7K0.00%+10,936+10.1%Added
Deutsche Bank AG117,745$161.3K0.00%−50,267−29.9%Reduced
Citigroup Inc117,403$160.8K0.00%+66,397+130.2%Added
Envestnet Asset Management Inc116,378$159.4K0.00%−9,129−7.3%Reduced
Raymond James & Associates109,767$150.4K0.00%+23,161+26.7%Added
Janus Henderson Group PLC109,941$150.1K0.00%−1,383−1.2%Reduced
Vident Advisory, LLC108,680$148.9K0.00%+92,526+572.8%Added
Engineers Gate Manager LP102,260$140.1K0.00%−195,611−65.7%Reduced
Toroso Investments, LLC100,430$137.6K0.00%+100,430New
Gabelli Funds LLC100,000$137.0K0.00%00.0%Unchanged
NJ State Employees Deferred Compensation Plan100,000$137.0K0.02%00.0%Unchanged
Abacus Planning Group, Inc.100,000$137.0K0.03%00.0%Unchanged
Lombard Odier Asset Management (USA) Corp94,557$129.5K0.05%+20,092+27.0%Added
Voya Investment Management LLC90,992$124.7K0.00%+8,547+10.4%Added
New York State Common Retirement Fund86,625$118.7K0.00%+2,125+2.5%Added
Advisor Group Holdings, Inc.86,247$118.1K0.00%−9,476−9.9%Reduced
Arete Wealth Advisors, LLC82,920$110.0K0.01%+26,052+45.8%Added
Carret Asset Management, LLC77,600$106.3K0.01%+45,600+142.5%Added
HSBC Holdings PLC79,122$105.6K0.00%+32,899+71.2%Added
Exome Asset Management LLC75,300$103.2K0.09%00.0%Unchanged
State Board of Administration of Florida Retirement System71,941$98.6K0.00%+840+1.2%Added
DekaBank Deutsche Girozentrale73,300$96.0K0.00%00.0%Unchanged
Cresset Asset Management, LLC69,053$94.6K0.00%−9,857−12.5%Reduced
Arizona State Retirement System68,603$94.0K0.00%+2,453+3.7%Added