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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, Q2 2026

Institutional positions in Pacific Biosciences of California, Inc. as of Jun 30, 2026. 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
223
−5 vs. Q1 2026
Shares held
191.1M
+2.97M (+1.6%) vs. Q1 2026
Total value
$320.8M
+$72.4M (+29.1%) vs. Q1 2026
New holders
24
70 more added
Sold out
29
77 more reduced

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 223 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 heldQ2 2026: $320.8M
Q1 2021: $5.47BQ2 2021: $6.04BQ3 2021: $4.83BQ4 2021: $4.21BQ1 2022: $2.04BQ2 2022: $1.03BQ3 2022: $1.23BQ4 2022: $1.87BQ1 2023: $3.02BQ2 2023: $3.42BQ3 2023: $2.23BQ4 2023: $2.90BQ1 2024: $1.02BQ2 2024: $332.6MQ3 2024: $395.6MQ4 2024: $475.1MQ1 2025: $265.7MQ2 2025: $247.1MQ3 2025: $239.6MQ4 2025: $373.6MQ1 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$373.6M
Q3 2025208$239.6M
Q2 2025207$247.1M
Q1 2025225$265.7M
Q4 2024227$475.1M
Q3 2024226$395.6M
Q2 2024229$332.6M
Q1 2024268$1.02B
Q4 2023274$2.90B
Q3 2023275$2.23B
Q2 2023272$3.42B
Q1 2023260$3.02B
Q4 2022237$1.87B
Q3 2022227$1.23B
Q2 2022230$1.03B
Q1 2022250$2.04B
Q4 2021256$4.21B
Q3 2021246$4.83B
Q2 2021261$6.04B
Q1 2021263$5.47B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q1 2026.

Institutions holding PACB in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.32,339,550$54.3M0.00%+7,072,121+28.0%Added
ARK Investment Management LLCSuperinvestorARK Invest29,781,416$50.0M0.32%−6,491,872−17.9%Reduced
Softbank Group Corp20,451,570$34.4M0.19%00.0%Unchanged
Vanguard Capital Management LLC13,397,934$22.5M0.00%+620,485+4.9%Added
Geode Capital Management, LLC7,606,518$12.8M0.00%+631,252+9.0%Added
Sumitomo Mitsui Trust Holdings, Inc.6,009,715$10.1M0.01%−1,028,272−14.6%Reduced
Nikko Asset Management Americas, Inc.6,009,715$10.0M0.13%−1,028,272−14.6%Reduced
State Street Corp5,961,175$10.0M0.00%−160,541−2.6%Reduced
Point72 Asset Management, L.P.4,787,300$8.04M0.01%+4,501,600+1,575.6%Added
Two Sigma Investments, LP4,242,599$7.13M0.01%+732,986+20.9%Added
D. E. Shaw & Co., Inc.4,208,146$7.07M0.00%+570,599+15.7%Added
Millennium Management LLC3,962,442$6.66M0.00%−929,876−19.0%Reduced
Goldman Sachs Group Inc3,229,887$5.43M0.00%+2,241,420+226.8%Added
Citadel Advisors LLC2,845,903$4.78M0.00%+1,269,852+80.6%Added
Vanguard Portfolio Management LLC2,671,916$4.49M0.00%−196,477−6.8%Reduced
Charles Schwab Investment Management Inc2,652,298$4.46M0.00%+246,802+10.3%Added
Northern Trust Corp2,352,786$3.95M0.00%+221,998+10.4%Added
Vanguard Fiduciary Trust Co2,187,627$3.68M0.00%+201,144+10.1%Added
Susquehanna International Group, LLP2,129,263$3.58M0.00%+410,098+23.9%Added
Longaeva Partners L.P.2,118,231$3.56M0.10%+2,118,231New
Davy Global Fund Management Ltd1,694,546$2.85M0.18%−93,847−5.2%Reduced
Birchview Capital, LP1,350,000$2.27M1.06%−150,000−10.0%Reduced
Bank of America Corp1,348,131$2.26M0.00%−318,575−19.1%Reduced
Invesco Ltd.1,297,091$2.18M0.00%−171,057−11.7%Reduced
AQR Capital Management LLC1,296,684$2.18M0.00%+537,192+70.7%Added
Nuveen, LLC1,023,113$1.72M0.00%−1,927,816−65.3%Reduced
Renaissance Technologies LLC966,200$1.62M0.00%−1,522,900−61.2%Reduced
Bourne Lent Asset Management Inc943,055$1.58M0.55%−8,000−0.8%Reduced
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)918,892$1.54M0.19%00.0%Unchanged
UBS Group AG893,140$1.50M0.00%−746,959−45.5%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH808,700$1.36M0.00%00.0%Unchanged
Acadian Asset Management LLC793,332$1.33M0.00%+374,541+89.4%Added
Bank of New York Mellon Corp767,567$1.29M0.00%−45,839−5.6%Reduced
Dimensional Fund Advisors LP759,783$1.28M0.00%−139,767−15.5%Reduced
Casdin Capital, LLC723,767$1.22M0.06%00.0%Unchanged
Tudor Investment Corp Et Al684,707$1.15M0.00%00.0%Unchanged
XTX Topco Ltd638,882$1.07M0.01%+394,118+161.0%Added
Numerai GP LLC621,469$1.04M0.09%+621,469New
Carret Asset Management, LLC600,140$1.01M0.09%+41,000+7.3%Added
Man Group plc597,334$1.00M0.00%+597,334New
Russell Investments Group, Ltd.596,843$1.00M0.00%+126,968+27.0%Added
Balyasny Asset Management LLC564,339$948.1K0.00%+303,801+116.6%Added
PEAK6 LLC555,552$933.3K0.02%−43,470−7.3%Reduced
Vestmark Advisory Solutions, Inc.478,205$803.4K0.01%−71,884−13.1%Reduced
Morgan Stanley477,776$802.7K0.00%−1,362,685−74.0%Reduced
ArrowMark Colorado Holdings LLC468,382$786.9K0.03%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.441,639$742.0K0.00%+105,382+31.3%Added
Rhumbline Advisers356,996$599.7K0.00%+8,054+2.3%Added
Connor, Clark & Lunn Investment Management Ltd.348,324$585.2K0.00%+348,324New
Mirador Capital Partners LP342,482$575.4K0.07%−262,402−43.4%Reduced
LPL Financial LLC337,502$567.0K0.00%+37,905+12.7%Added
Creative Planning322,990$542.6K0.00%−4,370−1.3%Reduced
Alliancebernstein L.P.387,060$510.9K0.00%00.0%Unchanged
Qube Research & Technologies Ltd297,951$500.6K0.00%−887,024−74.9%Reduced
Group One Trading, L.P.290,860$488.6K0.01%−74,161−20.3%Reduced
Wells Fargo & Company283,099$475.6K0.00%+151,885+115.8%Added
Barclays PLC276,988$465.3K0.00%+54,641+24.6%Added
HSBC Holdings PLC280,306$462.6K0.00%+31,829+12.8%Added
Water Island Capital LLC273,666$459.8K0.05%+1,626+0.6%Added
Deutsche Bank AG267,386$449.2K0.00%+22,617+9.2%Added
Price T Rowe Associates Inc231,783$390.0K0.00%+43,740+23.3%Added
Quadrature Capital Ltd185,654$311.9K0.00%+73,151+65.0%Added
Green Alpha Advisors, LLC178,655$300.1K0.20%−3,963−2.2%Reduced
Advisor Group Holdings, Inc.164,522$276.4K0.00%+124,231+308.3%Added
Marshall Wace, LLP163,642$274.9K0.00%+82,342+101.3%Added
Raymond James Financial Inc159,749$268.4K0.00%−4,809−2.9%Reduced
MetLife Investment Management157,198$264.1K0.00%+30,108+23.7%Added
AdvisorNet Financial, Inc152,122$255.6K0.01%+10,065+7.1%Added
Main Street Research LLC152,100$255.5K0.01%00.0%Unchanged
JPMorgan Chase & Co145,948$252.5K0.00%+7,444+5.4%Added
Citigroup Inc139,424$234.2K0.00%+106,325+321.2%Added
Voleon Capital Management LP134,834$226.5K0.00%+134,834New
Envestnet Asset Management Inc132,926$223.3K0.00%−16,035−10.8%Reduced
Ieq Capital, LLC123,782$208.0K0.00%+11,084+9.8%Added
Vanguard Global Advisers, LLC121,781$204.6K0.00%00.0%Unchanged
Koa Wealth Management, LLC120,000$201.6K0.14%00.0%Unchanged
Benjamin Edwards Inc107,715$180.9K0.00%−7,834−6.8%Reduced
Kavar Capital Partners Group, LLC103,319$173.6K0.02%+10,000+10.7%Added
Bridgewater Associates, LP102,761$172.6K0.00%+102,761New
Gabelli Funds LLC100,000$168.0K0.00%00.0%Unchanged
Cerity Partners LLC98,511$165.5K0.00%+77,090+359.9%Added
New York State Common Retirement Fund84,825$142.5K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey79,955$134.3K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The75,341$126.6K0.00%+497+0.7%Added
TCG Advisory Services, LLC75,000$126.0K0.00%+8,000+11.9%Added
State Board of Administration of Florida Retirement System71,941$120.9K0.00%00.0%Unchanged
Hartline Investment Corp69,000$115.9K0.01%00.0%Unchanged
Stifel Financial Corp68,249$114.7K0.00%−1,777−2.5%Reduced
Intech Investment Management LLC67,410$113.2K0.00%−33,961−33.5%Reduced
Simplex Trading, LLC65,659$110.3K0.00%−43,357−39.8%Reduced
SEI Investments Co59,230$99.5K0.00%−107,593−64.5%Reduced
Voya Investment Management LLC57,145$96.0K0.00%+7,003+14.0%Added
Captrust Financial Advisors56,461$94.9K0.00%+12,141+27.4%Added
Cetera Investment Advisers54,663$91.8K0.00%+3,304+6.4%Added
State of Wyoming54,267$91.2K0.01%−1,262−2.3%Reduced
Mercer Global Advisors Inc51,769$87.0K0.00%+17,096+49.3%Added
Abacus Planning Group, Inc.51,238$86.1K0.01%00.0%Unchanged
Wealth Enhancement Advisory Services, LLC54,981$85.8K0.00%+11,320+25.9%Added
Evolution Wealth Advisors, LLC50,000$84.0K0.01%00.0%Unchanged
China Universal Asset Management Co., Ltd.49,432$83.0K0.00%−4,160−7.8%Reduced