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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
Legal & General Group Plc236,272$2.32M0.00%+1,909+0.8%Added
California State Teachers Retirement System253,494$2.49M0.00%−11,997−4.5%Reduced
Seven Eight Capital, LP270,167$2.65M0.31%+28,911+12.0%Added
Alliancebernstein L.P.270,730$2.66M0.00%+6,900+2.6%Added
Nan Fung Group Holdings Ltd274,488$2.69M1.68%+137,833+100.9%Added
State of New Jersey Common Pension Fund D289,978$2.84M0.01%+67,107+30.1%Added
UBS Asset Management Americas Inc296,771$2.91M0.00%+6,667+2.3%Added
GTS Securities LLC316,535$3.11M0.07%+95,943+43.5%Added
Credit Suisse AG320,699$3.15M0.00%+49,683+18.3%Added
Polar Asset Management Partners Inc.322,800$3.17M0.09%−510,200−61.2%Reduced
Manufacturers Life Insurance Company, The326,477$3.20M0.00%−5,569−1.7%Reduced
Simplex Trading, LLC326,791$3.21M0.10%+84,556+34.9%Added
Rhumbline Advisers383,318$3.76M0.00%+334+0.1%Added
Group One Trading, L.P.403,987$3.96M0.12%+122,327+43.4%Added
Moody Aldrich Partners LLC418,262$4.10M0.74%+418,262New
Barclays PLC465,850$4.57M0.00%+344,041+282.4%Added
Swiss National Bank469,046$4.60M0.00%−52,800−10.1%Reduced
Schroder Investment Management Group471,464$4.63M0.01%−182,380−27.9%Reduced
Jane Street Group, LLC487,185$4.78M0.01%+236,487+94.3%Added
Vestmark Advisory Solutions, Inc.494,790$4.85M0.25%+494,790New
Citadel Advisors LLC544,504$5.34M0.01%−2,600,173−82.7%Reduced
BNP Paribas Arbitrage, SA582,974$5.72M0.01%+2,832+0.5%Added
Bourne Lent Asset Management Inc592,215$5.81M2.36%+17,865+3.1%Added
Neuberger Berman Group LLC621,771$6.10M0.01%+143,661+30.0%Added
TD Asset Management Inc661,300$6.49M0.01%−43,400−6.2%Reduced
Nuveen Asset Management, LLC665,805$6.53M0.00%+7,057+1.1%Added
Atika Capital Management LLC690,000$6.77M0.96%+690,000New
Susquehanna International Group, LLP766,165$7.52M0.01%+520,223+211.5%Added
Granahan Investment Management Inc821,306$8.06M0.27%+123,680+17.7%Added
Bank of America Corp823,045$8.07M0.00%−755−0.1%Reduced
Alyeska Investment Group, L.P.908,107$8.91M0.06%−1,195,862−56.8%Reduced
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)918,892$9.01M0.18%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.926,988$9.09M0.02%−507,572−35.4%Reduced
Edmond de Rothschild Holding S.A.995,500$9.77M0.18%+188,600+23.4%Added
Casdin Capital, LLC1,035,859$10.2M1.00%00.0%Unchanged
Ameriprise Financial Inc1,074,155$10.5M0.00%+971,764+949.1%Added
Victory Capital Management Inc1,094,724$10.7M0.01%+442,250+67.8%Added
Senator Investment Group LP1,250,000$12.3M0.53%+1,250,000New
JPMorgan Chase & Co1,283,272$12.6M0.00%−219,163−14.6%Reduced
Norges Bank1,374,715$13.5M0.00%−11,090−0.8%Reduced
Oracle Investment Management Inc1,376,795$13.5M14.75%−261,600−16.0%Reduced
Eagle Health Investments LP1,522,721$14.9M3.04%+1,522,721New
Goldman Sachs Group Inc1,591,107$15.6M0.00%−102,286−6.0%Reduced
SEI Investments Co1,840,073$18.1M0.03%+642,400+53.6%Added
Iron Triangle Partners LP1,843,278$18.1M2.34%+43,278+2.4%Added
Woodline Partners LP1,854,107$18.2M0.20%−527,600−22.2%Reduced
Charles Schwab Investment Management Inc1,966,837$19.3M0.00%+127,855+7.0%Added
Lord, Abbett & Co. LLC2,442,956$24.0M0.08%−1,222,921−33.4%Reduced
VK Services, LLC2,632,784$25.8M3.92%00.0%Unchanged
Northern Trust Corp2,697,693$26.5M0.00%−121,072−4.3%Reduced
Decheng Capital LLC2,940,361$28.8M8.06%+2,940,361New
Assenagon Asset Management S.A.3,041,624$29.8M0.09%+2,909,439+2,201.0%Added
Dimensional Fund Advisors LP3,057,262$30.0M0.01%−98,944−3.1%Reduced
Capital International Investors3,113,749$30.5M0.01%00.0%Unchanged
Capital World Investors3,390,000$33.3M0.01%00.0%Unchanged
Price T Rowe Associates Inc3,599,275$35.3M0.00%−389,435−9.8%Reduced
FMR LLC3,725,054$36.5M0.00%−897,866−19.4%Reduced
Bank of New York Mellon Corp4,892,438$48.0M0.01%+489,639+11.1%Added
Macquarie Group Ltd4,971,504$48.8M0.06%+723,785+17.0%Added
Point72 Asset Management, L.P.5,349,146$52.5M0.16%+2,755,364+106.2%Added
Geode Capital Management, LLC5,516,386$54.1M0.01%+412,150+8.1%Added
State Street Corp5,624,329$55.2M0.00%+252,447+4.7%Added
Farallon Capital Management, L.L.C.6,191,370$60.7M0.38%−4,032,750−39.4%Reduced
Deep Track Capital, LP7,000,000$68.7M2.41%+1,000,000+16.7%Added
Bellevue Group AG7,317,128$71.8M1.10%+71,940+1.0%Added
T. Rowe Price Investment Management, Inc.7,753,781$76.1M0.05%+338,257+4.6%Added
Jackson Square Partners, LLC9,704,766$95.2M3.09%+2,770,901+40.0%Added
Morgan Stanley11,109,582$109.0M0.01%+8,824,381+386.2%Added
Sumitomo Mitsui Trust Holdings, Inc.13,200,375$129.5M0.10%−247,291−1.8%Reduced
Nikko Asset Management Americas, Inc.13,200,375$129.6M1.25%−247,291−1.8%Reduced
Madrone Advisors, LLC17,591,915$172.6M21.50%+1,175,982+7.2%Added
BlackRock Inc.24,642,666$241.7M0.01%+1,966,160+8.7%Added
Vanguard Group Inc26,789,552$262.8M0.01%+3,514,792+15.1%Added
ARK Investment Management LLCSuperinvestorARK Invest34,504,273$338.5M2.00%+4,681,833+15.7%Added
Baker Bros. Advisors LP0$00.00%−1,127,782−100.0%Sold out
Avidity Partners Management LP0$00.00%−1,034,294−100.0%Sold out
Blackstone Group Inc.0$00.00%−1,000,000−100.0%Sold out
Integral Health Asset Management, LLC0$00.00%−800,000−100.0%Sold out
Ardsley Advisory Partners LP0$00.00%−701,500−100.0%Sold out
Pura Vida Investments, LLC0$00.00%−415,000−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−386,690−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−330,331−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−326,770−100.0%Sold out
Renaissance Technologies LLC0$00.00%−326,622−100.0%Sold out
Squarepoint Ops LLC0$00.00%−247,861−100.0%Sold out
Parkman Healthcare Partners LLC0$00.00%−210,580−100.0%Sold out
Numerai GP LLC0$00.00%−186,635−100.0%Sold out
Millennium Management LLC0$00.00%−153,717−100.0%Sold out
SG Americas Securities, LLC0$00.00%−145,614−100.0%Sold out
HRT Financial LP0$00.00%−134,188−100.0%Sold out
BI Asset Management Fondsmaeglerselskab A/S0$00.00%−102,765−100.0%Sold out
Shay Capital LLC0$00.00%−75,000−100.0%Sold out
Hussman Strategic Advisors, Inc.0$00.00%−52,500−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−43,698−100.0%Sold out
Point72 Middle East FZE0$00.00%−35,306−100.0%Sold out
Aigen Investment Management, LP0$00.00%−34,671−100.0%Sold out
Verition Fund Management LLC0$00.00%−31,800−100.0%Sold out
Snowden Capital Advisors LLC0$00.00%−29,116−100.0%Sold out
Ghisallo Capital Management LLC0$00.00%−25,000−100.0%Sold out
Duality Advisers, LP0$00.00%−22,075−100.0%Sold out