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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 2021

Institutional positions in Pacific Biosciences of California, Inc. as of Mar 31, 2021. 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
263
No complete 13F data for Q4 2020
Shares held
164.4M
No complete 13F data for Q4 2020
Total value
$5.47B
No complete 13F data for Q4 2020

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 2021: 263 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 2021: $5.47B
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 2021

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding PACB in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest21,301,191$709.5M1.41%––
Vanguard Group Inc17,766,083$591.8M0.02%––
BlackRock Inc.16,493,115$549.4M0.02%––
Jackson Square Partners, LLC12,911,695$430.1M2.44%––
SB Management Ltd9,861,089$328.5M2.12%––
Capital International Investors7,937,125$264.4M0.07%––
Nikko Asset Management Americas, Inc.5,247,237$174.8M0.86%––
Sumitomo Mitsui Trust Holdings, Inc.5,203,313$173.3M0.11%––
Casdin Capital, LLC5,000,000$166.6M4.96%––
State Street Corp4,030,973$134.3M0.01%––
Price T Rowe Associates Inc3,540,299$117.9M0.01%––
Capital World Investors3,390,000$112.9M0.02%––
Geode Capital Management, LLC3,254,837$108.4M0.02%––
Baker Bros. Advisors LP3,201,972$106.7M0.46%––
FMR LLC2,976,162$99.1M0.01%––
SEI Investments Co2,113,129$70.4M0.18%––
Northern Trust Corp2,068,299$68.9M0.01%––
Ameriprise Financial Inc1,749,123$58.3M0.02%––
Norges Bank1,652,611$55.0M0.01%––
Bellevue Group AG1,617,505$53.9M0.57%––
Oracle Investment Management Inc1,446,459$48.2M7.24%––
Two Sigma Investments, LP1,414,883$47.1M0.14%––
Westfield Capital Management Co LP1,396,596$46.5M0.29%––
Charles Schwab Investment Management Inc1,362,149$45.4M0.02%––
Goldman Sachs Group Inc1,218,288$40.6M0.01%––
Invesco Ltd.1,181,538$39.4M0.01%––
Nuveen Asset Management, LLC1,118,420$37.3M0.01%––
Lord, Abbett & Co. LLC1,019,453$34.0M0.09%––
Bank of New York Mellon Corp963,031$32.1M0.01%––
Iron Triangle Partners LP935,805$31.2M3.96%––
Morgan Stanley856,553$28.5M0.00%––
Renaissance Technologies LLC783,500$26.1M0.03%––
Eagle Asset Management Inc725,479$24.5M0.11%––
Pictet Asset Management Ltd697,518$23.2M0.03%––
Assenagon Asset Management S.A.623,071$20.8M0.11%––
JPMorgan Chase & Co588,491$19.6M0.00%––
Pura Vida Investments, LLC586,955$19.6M1.35%––
Bourne Lent Asset Management Inc536,800$17.9M5.71%––
Deerfield Management Company, L.P. (Series C)468,000$15.6M0.33%––
California Public Employees Retirement System440,088$14.7M0.01%––
Berkshire Capital Holdings Inc413,800$13.8M1.57%––
Russell Investments Group, Ltd.410,847$13.7M0.02%––
Swiss National Bank406,346$13.5M0.01%––
Bamco Inc385,786$12.9M0.03%––
Mirae Asset Global Investments Co., Ltd.366,811$12.2M0.04%––
Citadel Advisors LLC361,141$12.0M0.01%––
Millennium Management LLC342,633$11.4M0.02%––
Alyeska Investment Group, L.P.325,000$10.8M0.14%––
Viking Global Investors LPSuperinvestorViking Global Investors293,335$9.77M0.03%––
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.291,320$9.70M0.06%––
Bank of America Corp283,536$9.44M0.00%––
California State Teachers Retirement System275,089$9.16M0.01%––
Platinum Investment Management Ltd261,242$8.70M0.19%––
Amundi Asset Management US, Inc.258,500$8.61M0.01%––
Alliancebernstein L.P.239,200$7.97M0.00%––
Susquehanna International Group, LLP231,806$7.72M0.01%––
Two Sigma Advisers, LP231,800$7.72M0.02%––
Credit Suisse AG228,505$7.61M0.01%––
TD Asset Management Inc224,954$7.49M0.01%––
Rhumbline Advisers215,441$7.18M0.01%––
D. E. Shaw & Co., Inc.214,545$7.15M0.01%––
State of Wisconsin Investment Board204,600$6.82M0.01%––
Jane Street Group, LLC200,032$6.66M0.02%––
Macquarie Group Ltd190,207$6.34M0.01%––
Wells Fargo & Company189,774$6.32M0.00%––
Barclays PLC186,357$6.21M0.01%––
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main184,000$6.13M0.01%––
Canada Pension Plan Investment Board184,000$6.13M0.01%––
Abacus Planning Group, Inc.180,000$6.00M1.92%––
Deutsche Bank AG178,146$5.93M0.00%––
Snowden Capital Advisors LLC169,695$5.65M0.32%––
UBS Asset Management Americas Inc168,054$5.60M0.00%––
Parametric Portfolio Associates LLC165,880$5.53M0.00%––
Man Group plc162,061$5.40M0.02%––
New York State Common Retirement Fund161,968$5.39M0.01%––
AQR Capital Management LLC159,781$5.32M0.01%––
Panagora Asset Management Inc152,883$5.09M0.03%––
Raymond James & Associates149,569$4.98M0.01%––
Castleark Management LLC141,100$4.70M0.17%––
Sandler Capital Management130,000$4.33M0.41%––
Legal & General Group Plc124,651$4.15M0.00%––
Mutual of America Capital Management LLC124,587$4.15M0.04%––
Dimensional Fund Advisors LP123,172$4.12M0.00%––
Susquehanna Fundamental Investments, LLC116,179$3.87M0.07%––
Bank Julius Baer & Co. Ltd, Zurich114,224$3.81M0.03%––
ClariVest Asset Management LLC110,035$3.67M0.13%––
Stifel Financial Corp109,024$3.63M0.01%––
State of New Jersey Common Pension Fund D108,353$3.61M0.01%––
American International Group, Inc.106,294$3.54M0.01%––
Reynders McVeigh Capital Management, LLC104,185$3.47M0.23%––
Manufacturers Life Insurance Company, The101,565$3.38M0.00%––
NJ State Employees Deferred Compensation Plan100,000$3.33M0.47%––
HighTower Advisors, LLC92,813$3.09M0.01%––
SG Americas Securities, LLC89,345$2.98M0.02%––
Empowered Funds, LLC113,279$2.94M0.56%––
UBS Group AG86,880$2.89M0.00%––
Sit Investment Associates Inc81,550$2.72M0.07%––
Voya Investment Management LLC79,693$2.65M0.01%––
Principal Financial Group Inc76,216$2.54M0.00%––
ProShare Advisors LLC75,434$2.51M0.01%––