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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 2021

Institutional positions in Pacific Biosciences of California, Inc. as of Dec 31, 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
256
+11 vs. Q3 2021
Shares held
205.4M
+16.4M (+8.7%) vs. Q3 2021
Total value
$4.20B
−$628.7M (−13.0%) vs. Q3 2021
New holders
51
87 more added
Sold out
40
79 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 256 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 2021: $4.20B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q3 2021.

Institutions holding PACB in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest26,383,103$539.8M1.63%+3,660,028+16.1%Added
Vanguard Group Inc19,854,876$406.2M0.01%+1,858,227+10.3%Added
BlackRock Inc.16,569,244$339.0M0.01%+436,273+2.7%Added
Jackson Square Partners, LLC14,503,169$296.7M2.49%−33,502−0.2%Reduced
Capital International Investors12,106,318$247.7M0.05%+712,191+6.3%Added
Nikko Asset Management Americas, Inc.11,915,025$244.9M1.29%+2,567,023+27.5%Added
Sumitomo Mitsui Trust Holdings, Inc.11,915,025$243.8M0.15%+2,567,023+27.5%Added
SB Management Ltd8,156,107$166.9M16.61%00.0%Unchanged
Casdin Capital, LLC7,990,652$163.5M4.61%00.0%Unchanged
Price T Rowe Associates Inc5,833,804$118.2M0.01%+84,468+1.5%Added
William Blair Investment Management, LLC5,469,636$111.9M0.30%+1,374,633+33.6%Added
Baker Bros. Advisors LP5,444,963$111.4M0.54%00.0%Unchanged
State Street Corp4,157,650$85.1M0.00%−112,957−2.6%Reduced
Geode Capital Management, LLC3,703,993$75.8M0.01%+218,252+6.3%Added
Capital World Investors3,390,000$69.4M0.01%00.0%Unchanged
Invesco Ltd.3,195,790$65.4M0.02%+3,103,297+3,355.2%Added
Goldman Sachs Group Inc2,675,655$54.7M0.01%+309,978+13.1%Added
SEI Investments Co2,674,954$54.7M0.10%+146,263+5.8%Added
Ameriprise Financial Inc2,502,687$51.2M0.01%+280,209+12.6%Added
Farallon Capital Management, L.L.C.2,045,488$41.9M0.24%+53,238+2.7%Added
Northern Trust Corp1,983,958$40.6M0.01%−318,587−13.8%Reduced
Macquarie Group Ltd1,899,756$38.9M0.03%+1,692,396+816.2%Added
FMR LLC1,792,291$36.7M0.00%+1,528,880+580.4%Added
Norges Bank1,726,569$35.3M0.01%+532,100+44.5%Added
Charles Schwab Investment Management Inc1,591,325$32.6M0.01%+145,480+10.1%Added
Bellevue Group AG1,553,023$31.8M0.33%−90,136−5.5%Reduced
Oracle Investment Management Inc1,420,652$29.1M4.28%−24,307−1.7%Reduced
D. E. Shaw & Co., Inc.1,184,214$24.2M0.03%−360,118−23.3%Reduced
Nuveen Asset Management, LLC1,172,718$24.0M0.01%−76,841−6.1%Reduced
Morgan Stanley1,107,675$22.7M0.00%−438,882−28.4%Reduced
Natixis1,061,696$21.7M0.07%+980,439+1,206.6%Added
Bank of New York Mellon Corp1,006,739$20.6M0.00%+11,720+1.2%Added
Westfield Capital Management Co LP858,583$17.6M0.10%−878,542−50.6%Reduced
Bourne Lent Asset Management Inc555,750$11.4M3.04%+2,900+0.5%Added
Granahan Investment Management Inc488,895$10.0M0.21%+36,593+8.1%Added
Millennium Management LLC458,404$9.38M0.01%+69,124+17.8%Added
Bank of America Corp455,984$9.33M0.00%+196,212+75.5%Added
Mirae Asset Global Investments Co., Ltd.446,200$9.13M0.02%+95,609+27.3%Added
Guggenheim Capital LLC418,778$8.57M0.04%+81,136+24.0%Added
Swiss National Bank415,546$8.50M0.01%−900−0.2%Reduced
Banque Pictet & Cie SA404,356$8.27M0.06%+358,013+772.5%Added
Two Sigma Investments, LP388,961$7.96M0.02%−532,651−57.8%Reduced
California Public Employees Retirement System384,541$7.87M0.01%−54,772−12.5%Reduced
Two Sigma Advisers, LP382,400$7.82M0.02%−178,400−31.8%Reduced
Citadel Advisors LLC354,354$7.25M0.01%−50,549−12.5%Reduced
WCM Investment Management, LLC338,246$6.92M0.02%+36,012+11.9%Added
Pura Vida Investments, LLC330,033$6.75M0.70%−10,110−3.0%Reduced
Deutsche Bank AG324,294$6.63M0.00%−65,213−16.7%Reduced
Barclays PLC318,810$6.52M0.00%+206,485+183.8%Added
JPMorgan Chase & Co267,189$5.47M0.00%+19,052+7.7%Added
California State Teachers Retirement System266,006$5.44M0.01%+6,647+2.6%Added
State of Wisconsin Investment Board249,900$5.11M0.01%00.0%Unchanged
Rhumbline Advisers245,074$5.01M0.01%−3,129−1.3%Reduced
Alliancebernstein L.P.244,200$5.00M0.00%00.0%Unchanged
TD Asset Management Inc237,435$4.86M0.00%+4,666+2.0%Added
Harvard Management Co Inc229,144$4.69M0.44%00.0%Unchanged
Kennedy Capital Management, Inc.220,106$4.50M0.09%+134,269+156.4%Added
Jane Street Group, LLC218,690$4.47M0.01%+150,518+220.8%Added
UBS Asset Management Americas Inc218,390$4.47M0.00%+15,188+7.5%Added
Wells Fargo & Company215,939$4.42M0.00%+17,765+9.0%Added
Credit Suisse AG209,047$4.28M0.00%−45,296−17.8%Reduced
Gabelli Funds LLC203,000$4.15M0.03%+203,000New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.189,845$3.97M0.02%−62,834−24.9%Reduced
Alyeska Investment Group, L.P.173,885$3.56M0.04%−221,439−56.0%Reduced
Nan Fung Group Holdings Ltd171,760$3.51M1.04%+171,760New
Legal & General Group Plc167,652$3.43M0.00%+780.0%Added
Data Collective II GP, LLC164,249$3.36M3.50%+164,249New
Abacus Planning Group, Inc.155,000$3.17M0.85%−25,000−13.9%Reduced
Reynders McVeigh Capital Management, LLC145,450$2.98M0.17%+14,720+11.3%Added
Putnam Investments LLC139,254$2.85M0.00%+8,390+6.4%Added
New York State Common Retirement Fund136,734$2.80M0.00%−402−0.3%Reduced
Shelton Capital Management135,000$2.76M0.10%00.0%Unchanged
Pictet Asset Management SA130,720$2.67M0.00%−538,440−80.5%Reduced
SG Americas Securities, LLC126,676$2.59M0.02%−13,614−9.7%Reduced
Parametric Portfolio Associates LLC123,741$2.53M0.00%−2,417−1.9%Reduced
Mutual of America Capital Management LLC116,659$2.39M0.02%−1,088−0.9%Reduced
State of New Jersey Common Pension Fund D115,798$2.37M0.01%−2,236−1.9%Reduced
Raymond James & Associates110,873$2.27M0.00%−22,300−16.7%Reduced
American International Group, Inc.103,349$2.12M0.01%−3,092−2.9%Reduced
Susquehanna International Group, LLP100,887$2.06M0.00%+12,035+13.5%Added
LPL Financial LLC100,633$2.06M0.00%+21,035+26.4%Added
UBS Group AG99,982$2.05M0.00%−9,570−8.7%Reduced
NJ State Employees Deferred Compensation Plan100,000$2.05M0.26%00.0%Unchanged
Manufacturers Life Insurance Company, The98,444$2.04M0.00%−254−0.3%Reduced
Russell Investments Group, Ltd.98,892$2.02M0.00%−3,345−3.3%Reduced
Vontobel Holding Ltd.91,952$1.92M0.02%+17,238+23.1%Added
HighTower Advisors, LLC90,885$1.86M0.00%+9,646+11.9%Added
Jump Financial, LLC89,334$1.83M0.11%+56,626+173.1%Added
Citigroup Inc87,166$1.78M0.00%+25,455+41.2%Added
Seven Eight Capital, LP83,489$1.71M0.31%+83,489New
Baker Chad R82,875$1.70M0.35%+82,875New
BNP Paribas Arbitrage, SA81,935$1.68M0.00%−5,447−6.2%Reduced
Sit Investment Associates Inc81,550$1.67M0.04%00.0%Unchanged
ClariVest Asset Management LLC80,304$1.64M0.05%−7,238−8.3%Reduced
ProShare Advisors LLC79,023$1.62M0.00%+6,876+9.5%Added
Voya Investment Management LLC77,098$1.58M0.00%+1,225+1.6%Added
Allspring Global Investments Holdings, LLC74,495$1.52M0.00%+74,495New
Amundi114,240$1.51M0.00%−152,141−57.1%Reduced
Goldstream Capital Management Ltd72,386$1.48M0.36%+72,386New
Archford Capital Strategies, LLC71,837$1.47M0.34%−1,209−1.7%Reduced