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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
BNP Paribas Arbitrage, SA1,004,115$1.38M0.00%−163,593−14.0%Reduced
Casdin Capital, LLC1,035,859$1.42M0.11%00.0%Unchanged
Norges Bank1,213,637$1.66M0.00%−338,940−21.8%Reduced
Assenagon Asset Management S.A.1,295,303$1.77M0.00%+1,295,303New
Dimensional Fund Advisors LP1,313,137$1.80M0.00%−2,121,331−61.8%Reduced
Marshall Wace, LLP1,611,300$2.21M0.00%+1,117,966+226.6%Added
D. E. Shaw & Co., Inc.1,645,499$2.25M0.00%+836,239+103.3%Added
Soros Fund Management LLCSuperinvestorSoros Fund Management1,698,000$2.33M0.05%+65,000+4.0%Added
Jane Street Group, LLC1,704,491$2.34M0.00%+1,183,680+227.3%Added
Bank of America Corp1,863,893$2.55M0.00%+264,750+16.6%Added
Price T Rowe Associates Inc1,939,234$2.66M0.00%−16,148−0.8%Reduced
Charles Schwab Investment Management Inc1,957,496$2.68M0.00%−30,023−1.5%Reduced
Northern Trust Corp2,504,276$3.43M0.00%−38,621−1.5%Reduced
VK Services, LLC2,632,784$3.61M0.88%00.0%Unchanged
Morgan Stanley3,079,756$4.22M0.00%+1,176,905+61.8%Added
Capital World Investors3,390,000$4.64M0.00%00.0%Unchanged
Goldman Sachs Group Inc3,982,565$5.46M0.00%+1,776,559+80.5%Added
Millennium Management LLC4,629,627$6.34M0.01%+2,215,506+91.8%Added
State Street Corp5,935,390$8.13M0.00%+166,503+2.9%Added
Geode Capital Management, LLC6,102,872$8.36M0.00%+460,093+8.2%Added
Jackson Square Partners, LLC8,883,443$12.2M0.74%+1,699,130+23.7%Added
Bank of New York Mellon Corp9,935,171$13.6M0.00%−1,440,228−12.7%Reduced
Nikko Asset Management Americas, Inc.12,640,561$17.2M0.20%−183,824−1.4%Reduced
Sumitomo Mitsui Trust Holdings, Inc.12,640,561$17.3M0.01%−183,824−1.4%Reduced
Edmond de Rothschild Holding S.A.16,736,420$22.9M0.39%+6,229,133+59.3%Added
Madrone Advisors, LLC23,391,915$32.0M5.63%+5,800,000+33.0%Added
BlackRock Inc.23,608,688$32.3M0.00%+213,704+0.9%Added
Vanguard Group Inc25,998,943$35.6M0.00%−607,542−2.3%Reduced
ARK Investment Management LLCSuperinvestorARK Invest33,212,454$45.5M0.40%−77,683−0.2%Reduced
T. Rowe Price Investment Management, Inc.0$00.00%−8,397,820−100.0%Sold out
Deep Track Capital, LP0$00.00%−7,000,000−100.0%Sold out
Macquarie Group Ltd0$00.00%−6,638,910−100.0%Sold out
Bellevue Group AG0$00.00%−4,592,251−100.0%Sold out
Capital International Investors0$00.00%−3,113,749−100.0%Sold out
Eagle Health Investments LP0$00.00%−2,167,021−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−1,789,237−100.0%Sold out
Woodline Partners LP0$00.00%−1,537,433−100.0%Sold out
Avidity Partners Management LP0$00.00%−675,000−100.0%Sold out
Schroder Investment Management Group0$00.00%−459,830−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−291,569−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−288,612−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−268,245−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−247,209−100.0%Sold out
SpiderRock Advisors, LLC0$00.00%−201,534−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−193,609−100.0%Sold out
Sherbrooke Park Advisers LLC0$00.00%−155,769−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−148,046−100.0%Sold out
American International Group, Inc.0$00.00%−124,232−100.0%Sold out
IMC-Chicago, LLC0$00.00%−115,620−100.0%Sold out
Capital Impact Advisors, LLC0$00.00%−112,567−100.0%Sold out
AQR Capital Management LLC0$00.00%−108,364−100.0%Sold out
Quarry LP0$00.00%−106,985−100.0%Sold out
Nebula Research & Development LLC0$00.00%−106,434−100.0%Sold out
Ensign Peak Advisors, Inc0$00.00%−98,112−100.0%Sold out
Steel Peak Wealth Management LLC0$00.00%−94,589−100.0%Sold out
Quantbot Technologies LP0$00.00%−88,834−100.0%Sold out
Franklin Resources Inc0$00.00%−86,768−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−84,454−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−69,114−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−61,790−100.0%Sold out
Handelsbanken Fonder AB0$00.00%−53,800−100.0%Sold out
Henshaw Capital LLC0$00.00%−48,109−100.0%Sold out
Amundi0$00.00%−112,869−100.0%Sold out
First Trust Advisors LP0$00.00%−39,974−100.0%Sold out
Simplex Trading, LLC0$00.00%−33,006−100.0%Sold out
Man Group plc0$00.00%−31,500−100.0%Sold out
Ameriprise Financial Inc0$00.00%−31,410−100.0%Sold out
Aigen Investment Management, LP0$00.00%−28,098−100.0%Sold out
Atom Investors LP0$00.00%−26,751−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−26,744−100.0%Sold out
Numerai GP LLC0$00.00%−25,769−100.0%Sold out
Oxford Asset Management LLP0$00.00%−21,451−100.0%Sold out
IHT Wealth Management, LLC0$00.00%−19,700−100.0%Sold out
Seven Eight Capital, LP0$00.00%−19,538−100.0%Sold out
Ethic Inc.0$00.00%−17,383−100.0%Sold out
Kennedy Capital Management, Inc.0$00.00%−17,131−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−16,359−100.0%Sold out
Verition Fund Management LLC0$00.00%−14,316−100.0%Sold out
Integrated Wealth Concepts LLC0$00.00%−12,111−100.0%Sold out
Hilltop Holdings Inc.0$00.00%−11,800−100.0%Sold out
Wedbush Securities Inc0$00.00%−11,759−100.0%Sold out
Metropolitan Life Insurance Co0$00.00%−11,666−100.0%Sold out
Clearwater Capital Advisors, LLC0$00.00%−11,482−100.0%Sold out
Teza Capital Management LLC0$00.00%−10,706−100.0%Sold out
KBC Group NV0$00.00%−9,997−100.0%Sold out
Headlands Technologies LLC0$00.00%−8,555−100.0%Sold out
Caption Management, LLC0$00.00%−6,400−100.0%Sold out
Van Eck Associates Corp0$00.00%−4,916−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−1,011−100.0%Sold out
GWM Advisors LLC0$00.00%−700−100.0%Sold out
FRG Family Wealth Advisors LLC0$00.00%−625−100.0%Sold out
Tompkins Financial Corp0$00.00%−125−100.0%Sold out
Caitlin John, LLC0$00.00%−125−100.0%Sold out
GAMMA Investing LLC0$00.00%−103−100.0%Sold out
Bell Investment Advisors, Inc0$00.00%−77−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−51−100.0%Sold out
Sofos Investments, Inc.0$00.00%−47−100.0%Sold out
JFS Wealth Advisors, LLC0$00.00%−14−100.0%Sold out
DiNuzzo Private Wealth, Inc.0$00.00%−7−100.0%Sold out
SJS Investment Consulting Inc.0$00.00%−6−100.0%Sold out