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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 2022

Institutional positions in Pacific Biosciences of California, Inc. as of Dec 31, 2022. 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
237
+15 vs. Q3 2022
Shares held
224.9M
+13.3M (+6.3%) vs. Q3 2022
Total value
$1.84B
+$610.4M (+49.7%) vs. Q3 2022
New holders
44
65 more added
Sold out
29
77 more reduced

5 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 237 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 2022: $1.84B
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 2022

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q3 2022.

Institutions holding PACB in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest25,691,681$210.2M1.82%−3,000,813−10.5%Reduced
Vanguard Group Inc20,279,035$165.9M0.00%+616,969+3.1%Added
BlackRock Inc.18,535,380$151.6M0.00%+626,824+3.5%Added
Madrone Advisors, LLC16,415,933$134.3M25.90%+16,415,933New
Jackson Square Partners, LLC15,005,177$122.7M3.27%−5,252,922−25.9%Reduced
Sumitomo Mitsui Trust Holdings, Inc.14,166,193$115.9M0.09%−225,769−1.6%Reduced
Nikko Asset Management Americas, Inc.14,166,193$115.7M1.67%−225,769−1.6%Reduced
Bellevue Group AG6,478,925$53.0M0.70%+1,039,374+19.1%Added
Capital International Investors6,099,681$49.9M0.01%−2,349,477−27.8%Reduced
T. Rowe Price Investment Management, Inc.6,070,539$49.7M0.04%−1,502,019−19.8%Reduced
Point72 Asset Management, L.P.5,331,995$43.6M0.16%+2,797,889+110.4%Added
State Street Corp5,227,496$42.8M0.00%+176,143+3.5%Added
Citadel Advisors LLC4,576,660$37.4M0.04%−358,452−7.3%Reduced
Lord, Abbett & Co. LLC4,212,135$34.5M0.12%+4,212,135New
Geode Capital Management, LLC4,169,610$34.1M0.00%+140,672+3.5%Added
Macquarie Group Ltd4,012,524$32.8M0.04%−10,748−0.3%Reduced
Farallon Capital Management, L.L.C.4,004,400$32.8M0.21%+4,004,400New
Price T Rowe Associates Inc3,425,767$28.0M0.00%+55,139+1.6%Added
Capital World Investors3,390,000$27.7M0.01%00.0%Unchanged
SEI Investments Co2,651,587$21.7M0.05%−841,675−24.1%Reduced
Goldman Sachs Group Inc2,540,161$20.8M0.01%−1,115,284−30.5%Reduced
Northern Trust Corp2,398,143$19.6M0.00%−15,933−0.7%Reduced
Oracle Investment Management Inc2,154,807$17.6M15.33%+761,642+54.7%Added
Iron Triangle Partners LP1,700,000$13.9M2.49%−1,300,000−43.3%Reduced
Norges Bank1,697,527$13.9M0.00%00.0%Unchanged
Ameriprise Financial Inc1,615,627$13.2M0.00%+1,579,844+4,415.1%Added
Charles Schwab Investment Management Inc1,580,394$12.9M0.00%+28,287+1.8%Added
Decheng Capital Management III (Cayman), LLC1,463,872$12.0M4.48%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.1,361,423$11.1M0.03%+205,809+17.8%Added
Morgan Stanley1,280,692$10.5M0.00%−1,294,188−50.3%Reduced
Dimensional Fund Advisors LP1,278,348$10.5M0.00%+1,097,913+608.5%Added
Baker Bros. Advisors LP1,127,782$9.23M0.06%00.0%Unchanged
Senator Investment Group LP1,000,000$8.18M0.74%+1,000,000New
Bank of New York Mellon Corp964,042$7.89M0.00%+1,652+0.2%Added
Ardsley Advisory Partners LP905,000$7.40M1.87%+905,000New
JPMorgan Chase & Co816,421$6.68M0.00%+98,497+13.7%Added
Nuveen Asset Management, LLC705,107$5.77M0.00%−167,530−19.2%Reduced
Qube Research & Technologies Ltd679,273$5.56M0.03%+679,273New
Granahan Investment Management Inc677,158$5.54M0.17%+102,969+17.9%Added
Artisan Partners Limited Partnership648,439$5.30M0.01%+648,439New
Millennium Management LLC599,888$4.91M0.01%+338,261+129.3%Added
Bourne Lent Asset Management Inc591,450$4.84M2.07%+7,300+1.2%Added
Bank of America Corp535,983$4.38M0.00%−81,969−13.3%Reduced
Swiss National Bank515,746$4.22M0.00%+10,300+2.0%Added
TD Asset Management Inc366,578$3.00M0.00%+73,368+25.0%Added
Altium Capital Management LP365,000$2.99M1.53%+365,000New
Rhumbline Advisers359,045$2.94M0.00%+6,237+1.8%Added
Balyasny Asset Management LLC349,391$2.86M0.01%+349,391New
Invesco Ltd.315,481$2.58M0.00%+203,011+180.5%Added
Squarepoint Ops LLC310,800$2.54M0.02%−341,602−52.4%Reduced
Guggenheim Capital LLC281,296$2.30M0.02%−35,551−11.2%Reduced
UBS Asset Management Americas Inc275,996$2.26M0.00%+6,734+2.5%Added
California State Teachers Retirement System275,890$2.26M0.00%+3,266+1.2%Added
Jane Street Group, LLC261,561$2.14M0.00%−18,544−6.6%Reduced
D. E. Shaw & Co., Inc.258,673$2.12M0.00%+82,812+47.1%Added
Manufacturers Life Insurance Company, The253,329$2.09M0.00%−626−0.2%Reduced
Assenagon Asset Management S.A.250,130$2.05M0.01%−545−0.2%Reduced
Kennedy Capital Management, Inc.241,727$1.98M0.06%−107,200−30.7%Reduced
Susquehanna International Group, LLP239,587$1.96M0.00%+147,226+159.4%Added
Alliancebernstein L.P.239,300$1.96M0.00%−4,400−1.8%Reduced
Group One Trading, L.P.231,550$1.89M0.06%+231,550New
Harvard Management Co Inc229,144$1.87M0.24%00.0%Unchanged
Deutsche Bank AG225,871$1.85M0.00%−34,788−13.3%Reduced
State of New Jersey Common Pension Fund D225,054$1.84M0.01%+225,054New
Credit Suisse AG215,648$1.76M0.00%−11,624−5.1%Reduced
LPL Financial LLC205,166$1.68M0.00%−8,766−4.1%Reduced
State of Wisconsin Investment Board200,430$1.64M0.01%−13,123−6.1%Reduced
Voloridge Investment Management, LLC191,934$1.57M0.01%+191,934New
Legal & General Group Plc189,524$1.55M0.00%−6,267−3.2%Reduced
Two Sigma Advisers, LP187,000$1.53M0.00%−796,000−81.0%Reduced
New York State Common Retirement Fund182,310$1.49M0.00%+24,496+15.5%Added
Nisa Investment Advisors, LLC162,568$1.33M0.01%00.0%Unchanged
Simplex Trading, LLC151,610$1.24M0.06%+151,610New
FMR LLC150,683$1.23M0.00%−37,617−20.0%Reduced
Royal Bank of Canada142,816$1.17M0.00%−94,454−39.8%Reduced
Tudor Investment Corp Et Al139,197$1.14M0.03%+139,197New
Nan Fung Group Holdings Ltd136,655$1.12M0.77%−8,185−5.7%Reduced
Barclays PLC126,968$1.04M0.00%+34,676+37.6%Added
Abacus Planning Group, Inc.120,000$981.6K0.27%−20,000−14.3%Reduced
MetLife Investment Management117,859$964.1K0.01%00.0%Unchanged
American International Group, Inc.106,853$874.1K0.01%−388−0.4%Reduced
Green Alpha Advisors, LLC104,458$854.0K0.71%−312−0.3%Reduced
Stifel Financial Corp102,648$839.6K0.00%−5,416−5.0%Reduced
Gabelli Funds LLC100,000$818.0K0.01%00.0%Unchanged
NJ State Employees Deferred Compensation Plan100,000$818.0K0.13%00.0%Unchanged
Pura Vida Investments, LLC100,000$818.0K0.14%+100,000New
Erste Asset Management GmbH98,500$816.6K0.02%00.0%Unchanged
Dynamic Technology Lab Private Ltd93,231$763.0K0.08%+93,231New
AtonRa Partners87,179$713.1K0.91%−42,862−33.0%Reduced
Voya Investment Management LLC86,587$708.3K0.00%00.0%Unchanged
HighTower Advisors, LLC86,723$708.0K0.00%−21,415−19.8%Reduced
Raymond James & Associates85,460$699.1K0.00%−9,630−10.1%Reduced
Ensign Peak Advisors, Inc81,350$665.4K0.00%+36,200+80.2%Added
Jennison Associates LLC78,688$643.7K0.00%−98,604−55.6%Reduced
SG Americas Securities, LLC77,407$633.0K0.01%+47,790+161.4%Added
Marshall Wace, LLP75,100$614.3K0.00%−14,500−16.2%Reduced
Panagora Asset Management Inc74,395$608.6K0.00%+2,048+2.8%Added
Archford Capital Strategies, LLC73,479$601.1K0.14%−9,183−11.1%Reduced
DekaBank Deutsche Girozentrale73,300$597.0K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System71,101$581.6K0.00%00.0%Unchanged