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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
Fox Run Management, L.L.C.22,783$190.2K0.06%+22,783New
Vident Advisory, LLC23,134$193.2K0.01%+23,134New
E. Ohman J:or Asset Management AB23,200$193.7K0.01%+1,800+8.4%Added
HarbourVest Partners LLC23,484$196.1K0.07%00.0%Unchanged
Capital Impact Advisors, LLC23,575$196.9K0.33%00.0%Unchanged
Sandbox Financial Partners, LLC24,000$200.4K0.11%00.0%Unchanged
XTX Topco Ltd24,382$203.6K0.03%+24,382New
Ghisallo Capital Management LLC25,000$208.8K0.02%00.0%Unchanged
Ameritas Investment Partners, Inc.25,045$209.1K0.01%+4,229+20.3%Added
Mirador Capital Partners LP25,587$213.7K0.05%+14,112+123.0%Added
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors26,226$219.0K0.05%−1,325−4.8%Reduced
Public Employees Retirement Association of Colorado26,468$221.0K0.00%00.0%Unchanged
McGuire Investment Group, LLC26,820$223.9K0.04%00.0%Unchanged
Pictet Asset Management Holding SA27,025$225.7K0.00%+27,025New
HSBC Holdings PLC29,380$241.5K0.00%+29,380New
AdvisorNet Financial, Inc28,943$241.7K0.02%+34+0.1%Added
Snowden Capital Advisors LLC29,116$243.1K0.01%−2,537−8.0%Reduced
Tiemann Investment Advisors, LLC30,000$250.5K0.13%−4,000−11.8%Reduced
Henshaw Capital LLC31,433$262.5K0.02%+12,624+67.1%Added
Amalgamated Bank31,673$264.0K0.00%00.0%Unchanged
Verition Fund Management LLC31,800$265.5K0.00%+31,800New
Aigen Investment Management, LP34,671$289.5K0.05%+22,134+176.5%Added
Point72 Middle East FZE35,306$294.8K0.02%+35,306New
Twinbeech Capital LP35,560$296.9K0.01%+35,560New
Handelsbanken Fonder AB36,100$301.0K0.00%00.0%Unchanged
AQR Capital Management LLC38,253$319.4K0.00%+4,510+13.4%Added
Advisor Group Holdings, Inc.38,741$323.5K0.00%−1,834−4.5%Reduced
Putnam Investments LLC40,350$336.9K0.00%−348−0.9%Reduced
D. E. Shaw & Co., Inc.43,137$360.2K0.00%−678,495−94.0%Reduced
Dark Forest Capital Management LP43,698$364.9K0.03%+17,969+69.8%Added
ProShare Advisors LLC49,747$415.4K0.00%+84+0.2%Added
Evolution Wealth Advisors, LLC50,000$417.5K0.09%00.0%Unchanged
Campbell & CO Investment Adviser LLC51,472$429.8K0.05%+51,472New
Hussman Strategic Advisors, Inc.52,500$438.4K0.08%+52,500New
Envestnet Asset Management Inc53,139$443.7K0.00%+18,597+53.8%Added
Fisher Asset Management, LLC54,882$458.3K0.00%00.0%Unchanged
Raymond James & Associates55,020$459.4K0.00%−18,726−25.4%Reduced
Versor Investments LP56,468$471.5K0.10%+56,468New
Clear Harbor Asset Management, LLC56,650$473.0K0.05%−600−1.0%Reduced
Cresset Asset Management, LLC57,069$476.5K0.00%+6,125+12.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)58,886$491.7K0.00%+3,391+6.1%Added
STRS Ohio60,500$505.0K0.00%−29,700−32.9%Reduced
Cubist Systematic Strategies, LLC62,932$525.5K0.01%+62,932New
Principal Financial Group Inc64,224$536.3K0.00%+4,488+7.5%Added
AtonRa Partners65,082$543.4K1.14%+2,504+4.0%Added
Skandinaviska Enskilda Banken AB (publ)65,200$544.0K0.00%−13,400−17.0%Reduced
Arizona State Retirement System67,594$564.4K0.00%+935+1.4%Added
Weiss Multi-Strategy Advisers LLC71,000$593.0K0.01%+14,105+24.8%Added
HighTower Advisors, LLC72,097$601.0K0.00%−6,244−8.0%Reduced
DekaBank Deutsche Girozentrale73,300$605.0K0.00%00.0%Unchanged
Archford Capital Strategies, LLC73,684$615.3K0.12%−162−0.2%Reduced
Green Alpha Advisors, LLC74,246$620.0K0.48%−36,865−33.2%Reduced
Shay Capital LLC75,000$626.3K0.19%+75,000New
Wells Fargo & Company78,166$652.7K0.00%−48,333−38.2%Reduced
Ensign Peak Advisors, Inc81,350$679.3K0.00%00.0%Unchanged
Great West Life Assurance Co82,147$685.0K0.00%+16,552+25.2%Added
Russell Investments Group, Ltd.94,145$786.1K0.00%+93,327+11,409.2%Added
Stifel Financial Corp96,318$804.3K0.00%+11,219+13.2%Added
Gabelli Funds LLC100,000$835.0K0.01%00.0%Unchanged
NJ State Employees Deferred Compensation Plan100,000$835.0K0.13%00.0%Unchanged
Abacus Planning Group, Inc.100,000$835.0K0.20%00.0%Unchanged
New York State Common Retirement Fund100,200$836.7K0.00%−300−0.3%Reduced
Ameriprise Financial Inc102,391$855.0K0.00%+20,948+25.7%Added
BI Asset Management Fondsmaeglerselskab A/S102,765$858.0K0.02%+102,765New
Trellus Management Company, LLC111,000$926.9K1.79%+22,500+25.4%Added
Janus Henderson Group PLC111,396$929.6K0.00%+135+0.1%Added
MML Investors Services, LLC116,590$974.0K0.01%+44,799+62.4%Added
Quantbot Technologies LP119,813$1.00M0.07%−43,211−26.5%Reduced
Barclays PLC121,809$1.02M0.00%−189,547−60.9%Reduced
Citigroup Inc121,865$1.02M0.00%−14,480−10.6%Reduced
American International Group, Inc.125,805$1.05M0.01%+4,473+3.7%Added
MetLife Investment Management131,795$1.10M0.01%00.0%Unchanged
Assenagon Asset Management S.A.132,185$1.10M0.00%+132,185New
HRT Financial LP134,188$1.12M0.01%+109,475+443.0%Added
Nan Fung Group Holdings Ltd136,655$1.14M0.92%00.0%Unchanged
Caption Management, LLC142,948$1.19M0.15%+142,948New
SG Americas Securities, LLC145,614$1.22M0.02%+85,988+144.2%Added
Voya Investment Management LLC147,184$1.23M0.00%+47,723+48.0%Added
Nordea Investment Management AB149,131$1.25M0.00%+40,667+37.5%Added
Guggenheim Capital LLC152,356$1.27M0.01%−75,735−33.2%Reduced
Amundi159,955$1.28M0.00%+60,365+60.6%Added
Millennium Management LLC153,717$1.28M0.00%−1,149,664−88.2%Reduced
Deutsche Bank AG159,695$1.33M0.00%−1,941−1.2%Reduced
Nisa Investment Advisors, LLC162,393$1.36M0.01%+135+0.1%Added
State of Wisconsin Investment Board167,776$1.40M0.00%−4,415−2.6%Reduced
Two Sigma Advisers, LP174,400$1.46M0.00%−20,400−10.5%Reduced
LPL Financial LLC175,331$1.46M0.00%+20,386+13.2%Added
Numerai GP LLC186,635$1.56M0.52%−104,482−35.9%Reduced
Royal Bank of Canada197,703$1.65M0.00%+50,566+34.4%Added
First Trust Advisors LP206,271$1.72M0.00%+1,492+0.7%Added
Parkman Healthcare Partners LLC210,580$1.76M0.32%−114,920−35.3%Reduced
GTS Securities LLC220,592$1.84M0.04%+12,793+6.2%Added
State of New Jersey Common Pension Fund D222,871$1.86M0.01%+29,347+15.2%Added
State Board of Administration of Florida Retirement System231,035$1.93M0.00%+159,474+222.9%Added
ArrowMark Colorado Holdings LLC233,186$1.95M0.02%+233,186New
Legal & General Group Plc234,363$1.96M0.00%+7,536+3.3%Added
Seven Eight Capital, LP241,256$2.01M0.24%+221,353+1,112.2%Added
Simplex Trading, LLC242,235$2.02M0.07%+71,792+42.1%Added
Susquehanna International Group, LLP245,942$2.05M0.00%−42,833−14.8%Reduced
Squarepoint Ops LLC247,861$2.07M0.01%+148,917+150.5%Added