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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 2021

Institutional positions in Pacific Biosciences of California, Inc. as of Jun 30, 2021. 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
261
−1 vs. Q1 2021
Shares held
172.6M
+8.50M (+5.2%) vs. Q1 2021
Total value
$6.04B
+$570.9M (+10.4%) vs. Q1 2021
New holders
45
97 more added
Sold out
46
73 more reduced

1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: 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 2021: 261 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 2021: $6.04B
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, Q2 2021

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q1 2021.

Institutions holding PACB in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest20,481,486$716.2M1.33%−819,705−3.8%Reduced
Vanguard Group Inc18,196,904$636.3M0.02%+430,821+2.4%Added
BlackRock Inc.16,189,432$566.1M0.02%−303,683−1.8%Reduced
Jackson Square Partners, LLC14,836,494$518.8M2.96%+1,924,799+14.9%Added
SB Management Ltd9,861,089$344.8M4.06%00.0%Unchanged
Capital International Investors8,777,304$306.9M0.07%+840,179+10.6%Added
Sumitomo Mitsui Trust Holdings, Inc.8,132,325$284.4M0.17%+2,929,012+56.3%Added
Nikko Asset Management Americas, Inc.8,122,072$284.3M1.11%+2,874,835+54.8%Added
Casdin Capital, LLC5,000,000$174.8M4.44%00.0%Unchanged
State Street Corp4,253,575$148.7M0.01%+222,602+5.5%Added
Price T Rowe Associates Inc3,534,812$123.6M0.01%−5,487−0.2%Reduced
Geode Capital Management, LLC3,492,046$122.1M0.02%+237,209+7.3%Added
Capital World Investors3,390,000$118.5M0.02%00.0%Unchanged
Baker Bros. Advisors LP3,201,972$112.0M0.49%00.0%Unchanged
Goldman Sachs Group Inc2,628,842$91.9M0.02%+1,410,554+115.8%Added
SEI Investments Co2,549,225$89.1M0.20%+436,096+20.6%Added
Northern Trust Corp2,346,958$82.1M0.01%+278,659+13.5%Added
Ameriprise Financial Inc2,220,167$77.6M0.02%+471,044+26.9%Added
Westfield Capital Management Co LP1,684,958$58.9M0.35%+288,362+20.6%Added
Bellevue Group AG1,643,159$57.5M0.56%+25,654+1.6%Added
Two Sigma Investments, LP1,512,729$52.9M0.14%+97,846+6.9%Added
Norges Bank1,502,141$52.5M0.01%−150,470−9.1%Reduced
Charles Schwab Investment Management Inc1,434,300$50.2M0.02%+72,151+5.3%Added
Oracle Investment Management Inc1,374,159$48.1M6.69%−72,300−5.0%Reduced
Nuveen Asset Management, LLC1,278,579$44.7M0.01%+160,159+14.3%Added
Viking Global Investors LPSuperinvestorViking Global Investors1,273,659$44.5M0.14%+980,324+334.2%Added
D. E. Shaw & Co., Inc.1,114,419$39.0M0.04%+899,874+419.4%Added
Iron Triangle Partners LP976,245$34.1M3.52%+40,440+4.3%Added
Bank of New York Mellon Corp953,789$33.4M0.01%−9,242−1.0%Reduced
Morgan Stanley941,831$32.9M0.00%+85,278+10.0%Added
Renaissance Technologies LLC820,800$28.7M0.04%+37,300+4.8%Added
Pictet Asset Management Ltd744,897$26.0M0.03%+47,379+6.8%Added
Alyeska Investment Group, L.P.731,353$25.6M0.30%+406,353+125.0%Added
Eagle Asset Management Inc719,021$25.1M0.11%−6,458−0.9%Reduced
Millennium Management LLC667,005$23.3M0.03%+324,372+94.7%Added
Senator Investment Group LP550,000$19.2M0.37%+550,000New
Bourne Lent Asset Management Inc548,850$19.2M5.39%+12,050+2.2%Added
Two Sigma Advisers, LP507,300$17.7M0.05%+275,500+118.9%Added
Pura Vida Investments, LLC471,777$16.5M1.18%−115,178−19.6%Reduced
Amundi448,093$15.7M0.01%+448,093New
California Public Employees Retirement System441,380$15.4M0.01%+1,292+0.3%Added
Swiss National Bank404,346$14.1M0.01%−2,000−0.5%Reduced
Deutsche Bank AG335,638$11.7M0.01%+157,492+88.4%Added
WCM Investment Management, LLC302,878$10.6M0.03%+302,878New
JPMorgan Chase & Co299,014$10.5M0.00%−289,477−49.2%Reduced
Granahan Investment Management Inc281,987$9.86M0.18%+281,987New
Mirae Asset Global Investments Co., Ltd.281,328$9.84M0.03%−85,483−23.3%Reduced
Candriam Luxembourg S.C.A.280,431$9.81M0.07%+280,431New
Bank of America Corp279,796$9.78M0.00%−3,740−1.3%Reduced
California State Teachers Retirement System267,972$9.37M0.01%−7,117−2.6%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.266,891$9.33M0.05%−24,429−8.4%Reduced
Citadel Advisors LLC266,657$9.32M0.01%−94,484−26.2%Reduced
FMR LLC263,338$9.21M0.00%−2,712,824−91.2%Reduced
Platinum Investment Management Ltd261,242$9.14M0.21%00.0%Unchanged
State of Wisconsin Investment Board261,089$9.13M0.02%+56,489+27.6%Added
Farallon Capital Management, L.L.C.250,000$8.74M0.04%+250,000New
Rhumbline Advisers249,771$8.73M0.01%+34,330+15.9%Added
Alliancebernstein L.P.245,600$8.59M0.00%+6,400+2.7%Added
Wells Fargo & Company237,563$8.31M0.00%+47,789+25.2%Added
Credit Suisse AG221,627$7.75M0.01%−6,878−3.0%Reduced
Macquarie Group Ltd210,950$7.38M0.01%+20,743+10.9%Added
TD Asset Management Inc228,552$7.35M0.01%+3,598+1.6%Added
Abacus Planning Group, Inc.180,000$6.29M1.92%00.0%Unchanged
UBS Asset Management Americas Inc179,623$6.28M0.00%+11,569+6.9%Added
Snowden Capital Advisors LLC170,304$5.96M0.30%+609+0.4%Added
New York State Common Retirement Fund169,232$5.92M0.01%+7,264+4.5%Added
UBS Group AG155,308$5.43M0.00%+68,428+78.8%Added
Arrowstreet Capital, Limited Partnership150,093$5.25M0.01%+150,093New
First Trust Advisors LP148,260$5.18M0.01%+148,260New
Parametric Portfolio Associates LLC138,694$4.85M0.00%−27,186−16.4%Reduced
Legal & General Group Plc135,524$4.74M0.00%+10,873+8.7%Added
Putnam Investments LLC130,896$4.58M0.01%+57,381+78.1%Added
Raymond James & Associates129,959$4.54M0.00%−19,610−13.1%Reduced
Stifel Financial Corp128,927$4.51M0.01%+19,903+18.3%Added
Avitas Wealth Management LLC125,310$4.38M0.78%+71,099+131.2%Added
Russell Investments Group, Ltd.125,150$4.37M0.01%−285,697−69.5%Reduced
AQR Capital Management LLC124,358$4.35M0.01%−35,423−22.2%Reduced
Mutual of America Capital Management LLC119,443$4.18M0.04%−5,144−4.1%Reduced
Reynders McVeigh Capital Management, LLC118,965$4.16M0.25%+14,780+14.2%Added
State of New Jersey Common Pension Fund D116,751$4.08M0.01%+8,398+7.8%Added
ClariVest Asset Management LLC109,823$3.84M0.13%−212−0.2%Reduced
American International Group, Inc.108,970$3.81M0.02%+2,676+2.5%Added
Manufacturers Life Insurance Company, The108,314$3.79M0.00%+6,749+6.6%Added
Panagora Asset Management Inc105,812$3.70M0.02%−47,071−30.8%Reduced
NJ State Employees Deferred Compensation Plan100,000$3.50M0.46%00.0%Unchanged
Comerica Bank132,600$3.42M0.02%+67,002+102.1%Added
Shelton Capital Management91,000$3.18M0.12%+29,000+46.8%Added
Zweig-DiMenna Associates LLC89,767$3.14M0.19%+89,767New
SG Americas Securities, LLC87,204$3.05M0.02%−2,141−2.4%Reduced
Natixis87,197$3.05M0.01%+41,732+91.8%Added
ProShare Advisors LLC86,096$3.01M0.01%+10,662+14.1%Added
Susquehanna Fundamental Investments, LLC84,379$2.95M0.05%−31,800−27.4%Reduced
HighTower Advisors, LLC82,560$2.88M0.01%−10,253−11.0%Reduced
Cambridge Investment Research Advisors, Inc.81,665$2.86M0.01%+71,526+705.5%Added
Sit Investment Associates Inc81,550$2.85M0.07%00.0%Unchanged
Invesco Ltd.81,295$2.84M0.00%−1,100,243−93.1%Reduced
Bank Julius Baer & Co. Ltd, Zurich80,583$2.82M0.02%−33,641−29.5%Reduced
Assenagon Asset Management S.A.79,998$2.80M0.01%−543,073−87.2%Reduced
LPL Financial LLC79,420$2.78M0.00%+35,812+82.1%Added
Voya Investment Management LLC76,521$2.68M0.01%−3,172−4.0%Reduced