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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, Q3 2023

Institutional positions in Pacific Biosciences of California, Inc. as of Sep 30, 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
275
+4 vs. Q2 2023
Shares held
261.6M
+7.89M (+3.1%) vs. Q2 2023
Total value
$2.20B
−$1.18B (−34.9%) vs. Q2 2023
New holders
43
92 more added
Sold out
39
86 more reduced

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 275 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 heldQ3 2023: $2.20B
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, Q3 2023

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q2 2023.

Institutions holding PACB in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Jane Street Group, LLC250,698$2.09M0.00%−29,304−10.5%Reduced
Alliancebernstein L.P.263,830$2.20M0.00%−36,700−12.2%Reduced
California State Teachers Retirement System265,491$2.22M0.00%−27,189−9.3%Reduced
Credit Suisse AG271,016$2.26M0.00%+1,218+0.5%Added
Schonfeld Strategic Advisors LLC280,500$2.34M0.02%−96,800−25.7%Reduced
Group One Trading, L.P.281,660$2.35M0.09%+43,218+18.1%Added
UBS Asset Management Americas Inc290,104$2.42M0.00%−585−0.2%Reduced
Renaissance Technologies LLC326,622$2.73M0.00%+326,622New
Balyasny Asset Management LLC326,770$2.73M0.01%+326,770New
Qube Research & Technologies Ltd330,331$2.76M0.01%+270,573+452.8%Added
Manufacturers Life Insurance Company, The332,046$2.77M0.00%+48,740+17.2%Added
Two Sigma Investments, LP362,657$3.03M0.01%−402,115−52.6%Reduced
Rhumbline Advisers382,984$3.20M0.00%+1,393+0.4%Added
Voloridge Investment Management, LLC386,690$3.23M0.02%−563,774−59.3%Reduced
Jump Financial, LLC395,203$3.30M0.12%+274,582+227.6%Added
Pura Vida Investments, LLC415,000$3.47M1.70%+415,000New
Neuberger Berman Group LLC478,110$3.99M0.00%+65,361+15.8%Added
Marshall Wace, LLP488,468$4.08M0.01%+488,468New
Swiss National Bank521,846$4.36M0.00%+5,200+1.0%Added
Bourne Lent Asset Management Inc574,350$4.80M2.11%−5,650−1.0%Reduced
BNP Paribas Arbitrage, SA580,142$4.84M0.01%+40,924+7.6%Added
Victory Capital Management Inc652,474$5.45M0.01%−1,191,647−64.6%Reduced
Schroder Investment Management Group653,844$5.46M0.01%−58,573−8.2%Reduced
Nuveen Asset Management, LLC658,748$5.50M0.00%−4,281−0.6%Reduced
Granahan Investment Management Inc697,626$5.83M0.21%+87,366+14.3%Added
Ardsley Advisory Partners LP701,500$5.86M1.59%−204,500−22.6%Reduced
TD Asset Management Inc704,700$5.88M0.01%+285,343+68.0%Added
Integral Health Asset Management, LLC800,000$6.68M0.95%+800,000New
Edmond de Rothschild Holding S.A.806,900$6.74M0.14%+379,400+88.7%Added
Bank of America Corp823,800$6.88M0.00%+226,080+37.8%Added
Polar Asset Management Partners Inc.833,000$6.96M0.17%+266,300+47.0%Added
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)918,892$7.67M0.17%+918,892New
Blackstone Group Inc.1,000,000$8.35M0.04%00.0%Unchanged
Avidity Partners Management LP1,034,294$8.64M0.35%−3,303,106−76.2%Reduced
Casdin Capital, LLC1,035,859$8.65M0.96%+1,035,859New
Invesco Ltd.1,106,852$9.24M0.00%−74,137−6.3%Reduced
Baker Bros. Advisors LP1,127,782$9.42M0.05%00.0%Unchanged
SEI Investments Co1,197,673$10.0M0.02%−250,019−17.3%Reduced
Man Group plc–$11.6M0.04%––
Norges Bank1,385,805$11.6M0.00%−120,416−8.0%Reduced
Mirae Asset Global Investments Co., Ltd.1,434,560$12.0M0.03%+41,970+3.0%Added
Decheng Capital Management III (Cayman), LLC1,463,872$12.2M4.08%00.0%Unchanged
JPMorgan Chase & Co1,502,435$12.5M0.00%+173,562+13.1%Added
Oracle Investment Management Inc1,638,395$13.7M21.02%−377,100−18.7%Reduced
Goldman Sachs Group Inc1,693,393$14.1M0.00%−768,448−31.2%Reduced
Iron Triangle Partners LP1,800,000$15.0M2.20%−600,000−25.0%Reduced
Charles Schwab Investment Management Inc1,838,982$15.4M0.00%+58,556+3.3%Added
Alyeska Investment Group, L.P.2,103,969$17.6M0.12%+174,883+9.1%Added
Morgan Stanley2,285,201$19.1M0.00%+549,604+31.7%Added
Woodline Partners LP2,381,707$19.9M0.23%+1,580,570+197.3%Added
Point72 Asset Management, L.P.2,593,782$21.7M0.07%−4,067,851−61.1%Reduced
VK Services, LLC2,632,784$22.0M2.93%+2,632,784New
Northern Trust Corp2,818,765$23.5M0.00%+3,004+0.1%Added
Capital International Investors3,113,749$26.0M0.01%−1,102,052−26.1%Reduced
Citadel Advisors LLC3,144,677$26.3M0.03%−776,626−19.8%Reduced
Dimensional Fund Advisors LP3,156,206$26.4M0.01%−405,836−11.4%Reduced
Capital World Investors3,390,000$28.3M0.01%00.0%Unchanged
Lord, Abbett & Co. LLC3,665,877$30.6M0.11%−17,989−0.5%Reduced
Price T Rowe Associates Inc3,988,710$33.3M0.00%+98,788+2.5%Added
Macquarie Group Ltd4,247,719$35.5M0.04%+173,555+4.3%Added
Bank of New York Mellon Corp4,402,799$36.8M0.01%+2,514,656+133.2%Added
FMR LLC4,622,920$38.6M0.00%+892,145+23.9%Added
Geode Capital Management, LLC5,104,236$42.6M0.01%+182,428+3.7%Added
State Street Corp5,371,882$44.9M0.00%+43,231+0.8%Added
Deep Track Capital, LP6,000,000$50.1M1.94%+4,548,799+313.5%Added
Jackson Square Partners, LLC6,933,865$57.9M1.93%−1,583,759−18.6%Reduced
Bellevue Group AG7,245,188$60.5M0.97%−297,641−3.9%Reduced
T. Rowe Price Investment Management, Inc.7,415,524$61.9M0.04%+1,243,925+20.2%Added
Farallon Capital Management, L.L.C.10,224,120$85.4M0.48%+1,886,000+22.6%Added
Nikko Asset Management Americas, Inc.13,447,666$112.2M1.34%−202,282−1.5%Reduced
Sumitomo Mitsui Trust Holdings, Inc.13,447,666$112.3M0.09%−202,282−1.5%Reduced
Madrone Advisors, LLC16,415,933$137.1M29.47%00.0%Unchanged
BlackRock Inc.22,676,506$189.3M0.01%+1,853,603+8.9%Added
Vanguard Group Inc23,274,760$194.3M0.00%+147,993+0.6%Added
ARK Investment Management LLCSuperinvestorARK Invest29,822,440$249.0M1.91%+3,187,820+12.0%Added
Senator Investment Group LP0$00.00%−1,000,000−100.0%Sold out
Brookfield Asset Management Inc.0$00.00%−282,763−100.0%Sold out
Harvard Management Co Inc0$00.00%−233,186−100.0%Sold out
Cinctive Capital Management LP0$00.00%−149,798−100.0%Sold out
Harvest Investment Services, LLC0$00.00%−145,876−100.0%Sold out
EAM Investors, LLC0$00.00%−85,761−100.0%Sold out
Gotham Asset Management, LLC0$00.00%−85,599−100.0%Sold out
Holocene Advisors, LP0$00.00%−70,709−100.0%Sold out
Fred Alger Management, LLC0$00.00%−69,780−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−68,000−100.0%Sold out
Erste Asset Management GmbH0$00.00%−63,500−100.0%Sold out
Neo Ivy Capital Management0$00.00%−60,282−100.0%Sold out
Koss-Olinger Consulting, LLC0$00.00%−60,000−100.0%Sold out
Jennison Associates LLC0$00.00%−59,408−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−53,218−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−46,600−100.0%Sold out
Difesa Capital Management, LP0$00.00%−36,700−100.0%Sold out
Virginia Retirement Systems Et Al0$00.00%−28,200−100.0%Sold out
Kennedy Capital Management, Inc.0$00.00%−27,012−100.0%Sold out
Vident Investment Advisory, LLC0$00.00%−24,630−100.0%Sold out
Advisory Research Inc0$00.00%−23,455−100.0%Sold out
Grey Street Capital, LLC0$00.00%−22,000−100.0%Sold out
Prime Capital Investment Advisors, LLC0$00.00%−19,286−100.0%Sold out
Steel Peak Wealth Management LLC0$00.00%−15,848−100.0%Sold out
SkyView Investment Advisors, LLC0$00.00%−15,000−100.0%Sold out