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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, Q4 2023

Institutional positions in Pacific Biosciences of California, Inc. as of Dec 31, 2023. 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
274
+3 vs. Q3 2023
Shares held
281.0M
+20.9M (+8.0%) vs. Q3 2023
Total value
$2.76B
+$573.0M (+26.3%) vs. Q3 2023
New holders
48
103 more added
Sold out
45
75 more reduced

4 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 274 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 heldQ4 2023: $2.76B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q3 2023.

Institutions holding PACB in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest34,504,273$338.5M2.00%+4,681,833+15.7%Added
Vanguard Group Inc26,789,552$262.8M0.01%+3,514,792+15.1%Added
BlackRock Inc.24,642,666$241.7M0.01%+1,966,160+8.7%Added
Madrone Advisors, LLC17,591,915$172.6M21.50%+1,175,982+7.2%Added
Nikko Asset Management Americas, Inc.13,200,375$129.6M1.25%−247,291−1.8%Reduced
Sumitomo Mitsui Trust Holdings, Inc.13,200,375$129.5M0.10%−247,291−1.8%Reduced
Morgan Stanley11,109,582$109.0M0.01%+8,824,381+386.2%Added
Jackson Square Partners, LLC9,704,766$95.2M3.09%+2,770,901+40.0%Added
T. Rowe Price Investment Management, Inc.7,753,781$76.1M0.05%+338,257+4.6%Added
Bellevue Group AG7,317,128$71.8M1.10%+71,940+1.0%Added
Deep Track Capital, LP7,000,000$68.7M2.41%+1,000,000+16.7%Added
Farallon Capital Management, L.L.C.6,191,370$60.7M0.38%−4,032,750−39.4%Reduced
State Street Corp5,624,329$55.2M0.00%+252,447+4.7%Added
Geode Capital Management, LLC5,516,386$54.1M0.01%+412,150+8.1%Added
Point72 Asset Management, L.P.5,349,146$52.5M0.16%+2,755,364+106.2%Added
Macquarie Group Ltd4,971,504$48.8M0.06%+723,785+17.0%Added
Bank of New York Mellon Corp4,892,438$48.0M0.01%+489,639+11.1%Added
FMR LLC3,725,054$36.5M0.00%−897,866−19.4%Reduced
Price T Rowe Associates Inc3,599,275$35.3M0.00%−389,435−9.8%Reduced
Capital World Investors3,390,000$33.3M0.01%00.0%Unchanged
Capital International Investors3,113,749$30.5M0.01%00.0%Unchanged
Dimensional Fund Advisors LP3,057,262$30.0M0.01%−98,944−3.1%Reduced
Assenagon Asset Management S.A.3,041,624$29.8M0.09%+2,909,439+2,201.0%Added
Decheng Capital LLC2,940,361$28.8M8.06%+2,940,361New
Northern Trust Corp2,697,693$26.5M0.00%−121,072−4.3%Reduced
VK Services, LLC2,632,784$25.8M3.92%00.0%Unchanged
Lord, Abbett & Co. LLC2,442,956$24.0M0.08%−1,222,921−33.4%Reduced
Charles Schwab Investment Management Inc1,966,837$19.3M0.00%+127,855+7.0%Added
Woodline Partners LP1,854,107$18.2M0.20%−527,600−22.2%Reduced
Iron Triangle Partners LP1,843,278$18.1M2.34%+43,278+2.4%Added
SEI Investments Co1,840,073$18.1M0.03%+642,400+53.6%Added
Goldman Sachs Group Inc1,591,107$15.6M0.00%−102,286−6.0%Reduced
Eagle Health Investments LP1,522,721$14.9M3.04%+1,522,721New
Oracle Investment Management Inc1,376,795$13.5M14.75%−261,600−16.0%Reduced
Norges Bank1,374,715$13.5M0.00%−11,090−0.8%Reduced
JPMorgan Chase & Co1,283,272$12.6M0.00%−219,163−14.6%Reduced
Senator Investment Group LP1,250,000$12.3M0.53%+1,250,000New
Victory Capital Management Inc1,094,724$10.7M0.01%+442,250+67.8%Added
Ameriprise Financial Inc1,074,155$10.5M0.00%+971,764+949.1%Added
Casdin Capital, LLC1,035,859$10.2M1.00%00.0%Unchanged
Edmond de Rothschild Holding S.A.995,500$9.77M0.18%+188,600+23.4%Added
Mirae Asset Global Investments Co., Ltd.926,988$9.09M0.02%−507,572−35.4%Reduced
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)918,892$9.01M0.18%00.0%Unchanged
Alyeska Investment Group, L.P.908,107$8.91M0.06%−1,195,862−56.8%Reduced
Bank of America Corp823,045$8.07M0.00%−755−0.1%Reduced
Granahan Investment Management Inc821,306$8.06M0.27%+123,680+17.7%Added
Susquehanna International Group, LLP766,165$7.52M0.01%+520,223+211.5%Added
Atika Capital Management LLC690,000$6.77M0.96%+690,000New
Nuveen Asset Management, LLC665,805$6.53M0.00%+7,057+1.1%Added
TD Asset Management Inc661,300$6.49M0.01%−43,400−6.2%Reduced
Neuberger Berman Group LLC621,771$6.10M0.01%+143,661+30.0%Added
Bourne Lent Asset Management Inc592,215$5.81M2.36%+17,865+3.1%Added
BNP Paribas Arbitrage, SA582,974$5.72M0.01%+2,832+0.5%Added
Citadel Advisors LLC544,504$5.34M0.01%−2,600,173−82.7%Reduced
Vestmark Advisory Solutions, Inc.494,790$4.85M0.25%+494,790New
Jane Street Group, LLC487,185$4.78M0.01%+236,487+94.3%Added
Schroder Investment Management Group471,464$4.63M0.01%−182,380−27.9%Reduced
Swiss National Bank469,046$4.60M0.00%−52,800−10.1%Reduced
Barclays PLC465,850$4.57M0.00%+344,041+282.4%Added
Moody Aldrich Partners LLC418,262$4.10M0.74%+418,262New
Group One Trading, L.P.403,987$3.96M0.12%+122,327+43.4%Added
Rhumbline Advisers383,318$3.76M0.00%+334+0.1%Added
Simplex Trading, LLC326,791$3.21M0.10%+84,556+34.9%Added
Manufacturers Life Insurance Company, The326,477$3.20M0.00%−5,569−1.7%Reduced
Polar Asset Management Partners Inc.322,800$3.17M0.09%−510,200−61.2%Reduced
Credit Suisse AG320,699$3.15M0.00%+49,683+18.3%Added
GTS Securities LLC316,535$3.11M0.07%+95,943+43.5%Added
UBS Asset Management Americas Inc296,771$2.91M0.00%+6,667+2.3%Added
State of New Jersey Common Pension Fund D289,978$2.84M0.01%+67,107+30.1%Added
Nan Fung Group Holdings Ltd274,488$2.69M1.68%+137,833+100.9%Added
Alliancebernstein L.P.270,730$2.66M0.00%+6,900+2.6%Added
Seven Eight Capital, LP270,167$2.65M0.31%+28,911+12.0%Added
California State Teachers Retirement System253,494$2.49M0.00%−11,997−4.5%Reduced
Legal & General Group Plc236,272$2.32M0.00%+1,909+0.8%Added
ArrowMark Colorado Holdings LLC233,186$2.29M0.03%00.0%Unchanged
Royal Bank of Canada211,775$2.08M0.00%+14,072+7.1%Added
Invesco Ltd.201,992$1.98M0.00%−904,860−81.8%Reduced
State of Wisconsin Investment Board196,021$1.92M0.01%+28,245+16.8%Added
Guggenheim Capital LLC195,377$1.92M0.01%+43,021+28.2%Added
LPL Financial LLC180,175$1.77M0.00%+4,844+2.8%Added
Nisa Investment Advisors, LLC162,258$1.59M0.01%−135−0.1%Reduced
Deutsche Bank AG158,747$1.56M0.00%−948−0.6%Reduced
Dynamic Technology Lab Private Ltd153,122$1.50M0.16%+137,474+878.5%Added
Two Sigma Advisers, LP151,800$1.49M0.00%−22,600−13.0%Reduced
Schonfeld Strategic Advisors LLC151,376$1.48M0.01%−129,124−46.0%Reduced
Capital Impact Advisors, LLC145,574$1.43M1.88%+121,999+517.5%Added
Marshall Wace, LLP144,088$1.41M0.00%−344,380−70.5%Reduced
Nordea Investment Management AB142,757$1.41M0.00%−6,374−4.3%Reduced
Cubist Systematic Strategies, LLC140,434$1.38M0.02%+77,502+123.2%Added
Stifel Financial Corp133,874$1.31M0.00%+37,556+39.0%Added
MetLife Investment Management131,795$1.29M0.01%00.0%Unchanged
Envestnet Asset Management Inc129,029$1.27M0.00%+75,890+142.8%Added
American International Group, Inc.125,298$1.23M0.01%−507−0.4%Reduced
Koa Wealth Management, LLC120,000$1.18M1.16%+120,000New
Janus Henderson Group PLC111,276$1.09M0.00%−120−0.1%Reduced
Russell Investments Group, Ltd.104,143$1.02M0.00%+9,998+10.6%Added
Cambridge Investment Research Advisors, Inc.102,801$1.01M0.00%+102,801New
New York State Common Retirement Fund100,900$989.8K0.00%+700+0.7%Added
Wells Fargo & Company100,538$986.3K0.00%+22,372+28.6%Added
Voya Investment Management LLC100,380$984.7K0.00%−46,804−31.8%Reduced