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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
Jane Street Group, LLC200,032$6.66M0.02%––
State of Wisconsin Investment Board204,600$6.82M0.01%––
D. E. Shaw & Co., Inc.214,545$7.15M0.01%––
Rhumbline Advisers215,441$7.18M0.01%––
TD Asset Management Inc224,954$7.49M0.01%––
Credit Suisse AG228,505$7.61M0.01%––
Susquehanna International Group, LLP231,806$7.72M0.01%––
Two Sigma Advisers, LP231,800$7.72M0.02%––
Alliancebernstein L.P.239,200$7.97M0.00%––
Amundi Asset Management US, Inc.258,500$8.61M0.01%––
Platinum Investment Management Ltd261,242$8.70M0.19%––
California State Teachers Retirement System275,089$9.16M0.01%––
Bank of America Corp283,536$9.44M0.00%––
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.291,320$9.70M0.06%––
Viking Global Investors LPSuperinvestorViking Global Investors293,335$9.77M0.03%––
Alyeska Investment Group, L.P.325,000$10.8M0.14%––
Millennium Management LLC342,633$11.4M0.02%––
Citadel Advisors LLC361,141$12.0M0.01%––
Mirae Asset Global Investments Co., Ltd.366,811$12.2M0.04%––
Bamco Inc385,786$12.9M0.03%––
Swiss National Bank406,346$13.5M0.01%––
Russell Investments Group, Ltd.410,847$13.7M0.02%––
Berkshire Capital Holdings Inc413,800$13.8M1.57%––
California Public Employees Retirement System440,088$14.7M0.01%––
Deerfield Management Company, L.P. (Series C)468,000$15.6M0.33%––
Bourne Lent Asset Management Inc536,800$17.9M5.71%––
Pura Vida Investments, LLC586,955$19.6M1.35%––
JPMorgan Chase & Co588,491$19.6M0.00%––
Assenagon Asset Management S.A.623,071$20.8M0.11%––
Pictet Asset Management Ltd697,518$23.2M0.03%––
Eagle Asset Management Inc725,479$24.5M0.11%––
Renaissance Technologies LLC783,500$26.1M0.03%––
Morgan Stanley856,553$28.5M0.00%––
Iron Triangle Partners LP935,805$31.2M3.96%––
Bank of New York Mellon Corp963,031$32.1M0.01%––
Lord, Abbett & Co. LLC1,019,453$34.0M0.09%––
Nuveen Asset Management, LLC1,118,420$37.3M0.01%––
Invesco Ltd.1,181,538$39.4M0.01%––
Goldman Sachs Group Inc1,218,288$40.6M0.01%––
Charles Schwab Investment Management Inc1,362,149$45.4M0.02%––
Westfield Capital Management Co LP1,396,596$46.5M0.29%––
Two Sigma Investments, LP1,414,883$47.1M0.14%––
Oracle Investment Management Inc1,446,459$48.2M7.24%––
Bellevue Group AG1,617,505$53.9M0.57%––
Norges Bank1,652,611$55.0M0.01%––
Ameriprise Financial Inc1,749,123$58.3M0.02%––
Northern Trust Corp2,068,299$68.9M0.01%––
SEI Investments Co2,113,129$70.4M0.18%––
FMR LLC2,976,162$99.1M0.01%––
Baker Bros. Advisors LP3,201,972$106.7M0.46%––
Geode Capital Management, LLC3,254,837$108.4M0.02%––
Capital World Investors3,390,000$112.9M0.02%––
Price T Rowe Associates Inc3,540,299$117.9M0.01%––
State Street Corp4,030,973$134.3M0.01%––
Casdin Capital, LLC5,000,000$166.6M4.96%––
Sumitomo Mitsui Trust Holdings, Inc.5,203,313$173.3M0.11%––
Nikko Asset Management Americas, Inc.5,247,237$174.8M0.86%––
Capital International Investors7,937,125$264.4M0.07%––
SB Management Ltd9,861,089$328.5M2.12%––
Jackson Square Partners, LLC12,911,695$430.1M2.44%––
BlackRock Inc.16,493,115$549.4M0.02%––
Vanguard Group Inc17,766,083$591.8M0.02%––
ARK Investment Management LLCSuperinvestorARK Invest21,301,191$709.5M1.41%––