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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
ARK Investment Management LLCSuperinvestorARK Invest29,822,440$249.0M1.91%+3,187,820+12.0%Added
Vanguard Group Inc23,274,760$194.3M0.00%+147,993+0.6%Added
BlackRock Inc.22,676,506$189.3M0.01%+1,853,603+8.9%Added
Madrone Advisors, LLC16,415,933$137.1M29.47%00.0%Unchanged
Sumitomo Mitsui Trust Holdings, Inc.13,447,666$112.3M0.09%−202,282−1.5%Reduced
Nikko Asset Management Americas, Inc.13,447,666$112.2M1.34%−202,282−1.5%Reduced
Farallon Capital Management, L.L.C.10,224,120$85.4M0.48%+1,886,000+22.6%Added
T. Rowe Price Investment Management, Inc.7,415,524$61.9M0.04%+1,243,925+20.2%Added
Bellevue Group AG7,245,188$60.5M0.97%−297,641−3.9%Reduced
Jackson Square Partners, LLC6,933,865$57.9M1.93%−1,583,759−18.6%Reduced
Deep Track Capital, LP6,000,000$50.1M1.94%+4,548,799+313.5%Added
State Street Corp5,371,882$44.9M0.00%+43,231+0.8%Added
Geode Capital Management, LLC5,104,236$42.6M0.01%+182,428+3.7%Added
FMR LLC4,622,920$38.6M0.00%+892,145+23.9%Added
Bank of New York Mellon Corp4,402,799$36.8M0.01%+2,514,656+133.2%Added
Macquarie Group Ltd4,247,719$35.5M0.04%+173,555+4.3%Added
Price T Rowe Associates Inc3,988,710$33.3M0.00%+98,788+2.5%Added
Lord, Abbett & Co. LLC3,665,877$30.6M0.11%−17,989−0.5%Reduced
Capital World Investors3,390,000$28.3M0.01%00.0%Unchanged
Dimensional Fund Advisors LP3,156,206$26.4M0.01%−405,836−11.4%Reduced
Citadel Advisors LLC3,144,677$26.3M0.03%−776,626−19.8%Reduced
Capital International Investors3,113,749$26.0M0.01%−1,102,052−26.1%Reduced
Northern Trust Corp2,818,765$23.5M0.00%+3,004+0.1%Added
VK Services, LLC2,632,784$22.0M2.93%+2,632,784New
Point72 Asset Management, L.P.2,593,782$21.7M0.07%−4,067,851−61.1%Reduced
Woodline Partners LP2,381,707$19.9M0.23%+1,580,570+197.3%Added
Morgan Stanley2,285,201$19.1M0.00%+549,604+31.7%Added
Alyeska Investment Group, L.P.2,103,969$17.6M0.12%+174,883+9.1%Added
Charles Schwab Investment Management Inc1,838,982$15.4M0.00%+58,556+3.3%Added
Iron Triangle Partners LP1,800,000$15.0M2.20%−600,000−25.0%Reduced
Goldman Sachs Group Inc1,693,393$14.1M0.00%−768,448−31.2%Reduced
Oracle Investment Management Inc1,638,395$13.7M21.02%−377,100−18.7%Reduced
JPMorgan Chase & Co1,502,435$12.5M0.00%+173,562+13.1%Added
Decheng Capital Management III (Cayman), LLC1,463,872$12.2M4.08%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.1,434,560$12.0M0.03%+41,970+3.0%Added
Norges Bank1,385,805$11.6M0.00%−120,416−8.0%Reduced
Man Group plc–$11.6M0.04%––
SEI Investments Co1,197,673$10.0M0.02%−250,019−17.3%Reduced
Baker Bros. Advisors LP1,127,782$9.42M0.05%00.0%Unchanged
Invesco Ltd.1,106,852$9.24M0.00%−74,137−6.3%Reduced
Casdin Capital, LLC1,035,859$8.65M0.96%+1,035,859New
Avidity Partners Management LP1,034,294$8.64M0.35%−3,303,106−76.2%Reduced
Blackstone Group Inc.1,000,000$8.35M0.04%00.0%Unchanged
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)918,892$7.67M0.17%+918,892New
Polar Asset Management Partners Inc.833,000$6.96M0.17%+266,300+47.0%Added
Bank of America Corp823,800$6.88M0.00%+226,080+37.8%Added
Edmond de Rothschild Holding S.A.806,900$6.74M0.14%+379,400+88.7%Added
Integral Health Asset Management, LLC800,000$6.68M0.95%+800,000New
TD Asset Management Inc704,700$5.88M0.01%+285,343+68.0%Added
Ardsley Advisory Partners LP701,500$5.86M1.59%−204,500−22.6%Reduced
Granahan Investment Management Inc697,626$5.83M0.21%+87,366+14.3%Added
Nuveen Asset Management, LLC658,748$5.50M0.00%−4,281−0.6%Reduced
Schroder Investment Management Group653,844$5.46M0.01%−58,573−8.2%Reduced
Victory Capital Management Inc652,474$5.45M0.01%−1,191,647−64.6%Reduced
BNP Paribas Arbitrage, SA580,142$4.84M0.01%+40,924+7.6%Added
Bourne Lent Asset Management Inc574,350$4.80M2.11%−5,650−1.0%Reduced
Swiss National Bank521,846$4.36M0.00%+5,200+1.0%Added
Marshall Wace, LLP488,468$4.08M0.01%+488,468New
Neuberger Berman Group LLC478,110$3.99M0.00%+65,361+15.8%Added
Pura Vida Investments, LLC415,000$3.47M1.70%+415,000New
Jump Financial, LLC395,203$3.30M0.12%+274,582+227.6%Added
Voloridge Investment Management, LLC386,690$3.23M0.02%−563,774−59.3%Reduced
Rhumbline Advisers382,984$3.20M0.00%+1,393+0.4%Added
Two Sigma Investments, LP362,657$3.03M0.01%−402,115−52.6%Reduced
Manufacturers Life Insurance Company, The332,046$2.77M0.00%+48,740+17.2%Added
Qube Research & Technologies Ltd330,331$2.76M0.01%+270,573+452.8%Added
Balyasny Asset Management LLC326,770$2.73M0.01%+326,770New
Renaissance Technologies LLC326,622$2.73M0.00%+326,622New
UBS Asset Management Americas Inc290,104$2.42M0.00%−585−0.2%Reduced
Group One Trading, L.P.281,660$2.35M0.09%+43,218+18.1%Added
Schonfeld Strategic Advisors LLC280,500$2.34M0.02%−96,800−25.7%Reduced
Credit Suisse AG271,016$2.26M0.00%+1,218+0.5%Added
California State Teachers Retirement System265,491$2.22M0.00%−27,189−9.3%Reduced
Alliancebernstein L.P.263,830$2.20M0.00%−36,700−12.2%Reduced
Jane Street Group, LLC250,698$2.09M0.00%−29,304−10.5%Reduced
Squarepoint Ops LLC247,861$2.07M0.01%+148,917+150.5%Added
Susquehanna International Group, LLP245,942$2.05M0.00%−42,833−14.8%Reduced
Simplex Trading, LLC242,235$2.02M0.07%+71,792+42.1%Added
Seven Eight Capital, LP241,256$2.01M0.24%+221,353+1,112.2%Added
Legal & General Group Plc234,363$1.96M0.00%+7,536+3.3%Added
ArrowMark Colorado Holdings LLC233,186$1.95M0.02%+233,186New
State Board of Administration of Florida Retirement System231,035$1.93M0.00%+159,474+222.9%Added
State of New Jersey Common Pension Fund D222,871$1.86M0.01%+29,347+15.2%Added
GTS Securities LLC220,592$1.84M0.04%+12,793+6.2%Added
Parkman Healthcare Partners LLC210,580$1.76M0.32%−114,920−35.3%Reduced
First Trust Advisors LP206,271$1.72M0.00%+1,492+0.7%Added
Royal Bank of Canada197,703$1.65M0.00%+50,566+34.4%Added
Numerai GP LLC186,635$1.56M0.52%−104,482−35.9%Reduced
LPL Financial LLC175,331$1.46M0.00%+20,386+13.2%Added
Two Sigma Advisers, LP174,400$1.46M0.00%−20,400−10.5%Reduced
State of Wisconsin Investment Board167,776$1.40M0.00%−4,415−2.6%Reduced
Nisa Investment Advisors, LLC162,393$1.36M0.01%+135+0.1%Added
Deutsche Bank AG159,695$1.33M0.00%−1,941−1.2%Reduced
Millennium Management LLC153,717$1.28M0.00%−1,149,664−88.2%Reduced
Amundi159,955$1.28M0.00%+60,365+60.6%Added
Guggenheim Capital LLC152,356$1.27M0.01%−75,735−33.2%Reduced
Nordea Investment Management AB149,131$1.25M0.00%+40,667+37.5%Added
Voya Investment Management LLC147,184$1.23M0.00%+47,723+48.0%Added
SG Americas Securities, LLC145,614$1.22M0.02%+85,988+144.2%Added
Caption Management, LLC142,948$1.19M0.15%+142,948New