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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
TD Asset Management Inc237,435$4.86M0.00%+4,666+2.0%Added
Alliancebernstein L.P.244,200$5.00M0.00%00.0%Unchanged
Rhumbline Advisers245,074$5.01M0.01%−3,129−1.3%Reduced
State of Wisconsin Investment Board249,900$5.11M0.01%00.0%Unchanged
California State Teachers Retirement System266,006$5.44M0.01%+6,647+2.6%Added
JPMorgan Chase & Co267,189$5.47M0.00%+19,052+7.7%Added
Barclays PLC318,810$6.52M0.00%+206,485+183.8%Added
Deutsche Bank AG324,294$6.63M0.00%−65,213−16.7%Reduced
Pura Vida Investments, LLC330,033$6.75M0.70%−10,110−3.0%Reduced
WCM Investment Management, LLC338,246$6.92M0.02%+36,012+11.9%Added
Citadel Advisors LLC354,354$7.25M0.01%−50,549−12.5%Reduced
Two Sigma Advisers, LP382,400$7.82M0.02%−178,400−31.8%Reduced
California Public Employees Retirement System384,541$7.87M0.01%−54,772−12.5%Reduced
Two Sigma Investments, LP388,961$7.96M0.02%−532,651−57.8%Reduced
Banque Pictet & Cie SA404,356$8.27M0.06%+358,013+772.5%Added
Swiss National Bank415,546$8.50M0.01%−900−0.2%Reduced
Guggenheim Capital LLC418,778$8.57M0.04%+81,136+24.0%Added
Mirae Asset Global Investments Co., Ltd.446,200$9.13M0.02%+95,609+27.3%Added
Bank of America Corp455,984$9.33M0.00%+196,212+75.5%Added
Millennium Management LLC458,404$9.38M0.01%+69,124+17.8%Added
Granahan Investment Management Inc488,895$10.0M0.21%+36,593+8.1%Added
Bourne Lent Asset Management Inc555,750$11.4M3.04%+2,900+0.5%Added
Westfield Capital Management Co LP858,583$17.6M0.10%−878,542−50.6%Reduced
Bank of New York Mellon Corp1,006,739$20.6M0.00%+11,720+1.2%Added
Natixis1,061,696$21.7M0.07%+980,439+1,206.6%Added
Morgan Stanley1,107,675$22.7M0.00%−438,882−28.4%Reduced
Nuveen Asset Management, LLC1,172,718$24.0M0.01%−76,841−6.1%Reduced
D. E. Shaw & Co., Inc.1,184,214$24.2M0.03%−360,118−23.3%Reduced
Oracle Investment Management Inc1,420,652$29.1M4.28%−24,307−1.7%Reduced
Bellevue Group AG1,553,023$31.8M0.33%−90,136−5.5%Reduced
Charles Schwab Investment Management Inc1,591,325$32.6M0.01%+145,480+10.1%Added
Norges Bank1,726,569$35.3M0.01%+532,100+44.5%Added
FMR LLC1,792,291$36.7M0.00%+1,528,880+580.4%Added
Macquarie Group Ltd1,899,756$38.9M0.03%+1,692,396+816.2%Added
Northern Trust Corp1,983,958$40.6M0.01%−318,587−13.8%Reduced
Farallon Capital Management, L.L.C.2,045,488$41.9M0.24%+53,238+2.7%Added
Ameriprise Financial Inc2,502,687$51.2M0.01%+280,209+12.6%Added
SEI Investments Co2,674,954$54.7M0.10%+146,263+5.8%Added
Goldman Sachs Group Inc2,675,655$54.7M0.01%+309,978+13.1%Added
Invesco Ltd.3,195,790$65.4M0.02%+3,103,297+3,355.2%Added
Capital World Investors3,390,000$69.4M0.01%00.0%Unchanged
Geode Capital Management, LLC3,703,993$75.8M0.01%+218,252+6.3%Added
State Street Corp4,157,650$85.1M0.00%−112,957−2.6%Reduced
Baker Bros. Advisors LP5,444,963$111.4M0.54%00.0%Unchanged
William Blair Investment Management, LLC5,469,636$111.9M0.30%+1,374,633+33.6%Added
Price T Rowe Associates Inc5,833,804$118.2M0.01%+84,468+1.5%Added
Casdin Capital, LLC7,990,652$163.5M4.61%00.0%Unchanged
SB Management Ltd8,156,107$166.9M16.61%00.0%Unchanged
Sumitomo Mitsui Trust Holdings, Inc.11,915,025$243.8M0.15%+2,567,023+27.5%Added
Nikko Asset Management Americas, Inc.11,915,025$244.9M1.29%+2,567,023+27.5%Added
Capital International Investors12,106,318$247.7M0.05%+712,191+6.3%Added
Jackson Square Partners, LLC14,503,169$296.7M2.49%−33,502−0.2%Reduced
BlackRock Inc.16,569,244$339.0M0.01%+436,273+2.7%Added
Vanguard Group Inc19,854,876$406.2M0.01%+1,858,227+10.3%Added
ARK Investment Management LLCSuperinvestorARK Invest26,383,103$539.8M1.63%+3,660,028+16.1%Added
Sofos Investments, Inc.40––+39+3,900.0%Added
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)0$00.00%−911,039−100.0%Sold out
Eagle Asset Management Inc0$00.00%−585,137−100.0%Sold out
Senator Investment Group LP0$00.00%−550,000−100.0%Sold out
Candriam Luxembourg S.C.A.0$00.00%−280,431−100.0%Sold out
Renaissance Technologies LLC0$00.00%−273,800−100.0%Sold out
Platinum Investment Management Ltd0$00.00%−261,242−100.0%Sold out
Comerica Bank0$00.00%−124,020−100.0%Sold out
First Trust Advisors LP0$00.00%−114,037−100.0%Sold out
M&G Investment Management Ltd0$00.00%−86,196−100.0%Sold out
Avitas Wealth Management LLC0$00.00%−84,212−100.0%Sold out
Ergoteles LLC0$00.00%−79,558−100.0%Sold out
American Century Companies Inc0$00.00%−47,267−100.0%Sold out
HRT Financial LP0$00.00%−41,001−100.0%Sold out
Erste Asset Management GmbH0$00.00%−26,200−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−22,000−100.0%Sold out
Gilder Gagnon Howe & Co LLC0$00.00%−19,896−100.0%Sold out
Alps Advisors Inc0$00.00%−16,557−100.0%Sold out
Steel Peak Wealth Management LLC0$00.00%−14,003−100.0%Sold out
Algert Global LLC0$00.00%−12,111−100.0%Sold out
Parallax Volatility Advisers, L.P.0$00.00%−10,901−100.0%Sold out
Paloma Partners Management Co0$00.00%−10,177−100.0%Sold out
Echo Street Capital Management LLC0$00.00%−9,925−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−9,708−100.0%Sold out
AlphaCrest Capital Management LLC0$00.00%−9,700−100.0%Sold out
Avestar Capital, LLC0$00.00%−9,520−100.0%Sold out
Xponance, Inc.0$00.00%−9,131−100.0%Sold out
Ballentine Partners, LLC0$00.00%−8,270−100.0%Sold out
CIBC Asset Management Inc0$00.00%−8,042−100.0%Sold out
Cambridge Investment Research Advisors, Inc.0$00.00%−7,997−100.0%Sold out
O'Shaughnessy Asset Management, LLC0$00.00%−5,107−100.0%Sold out
Penserra Capital Management LLC0$00.00%−4,560−100.0%Sold out
Brewin Dolphin Ltd0$00.00%−184−100.0%Sold out
Financial Perspectives, Inc0$00.00%−162−100.0%Sold out
Adirondack Trust Co0$00.00%−130−100.0%Sold out
Glassman Wealth Services0$00.00%−66−100.0%Sold out
Meeder Asset Management Inc0$00.00%−61−100.0%Sold out
Harbour Investments, Inc.0$00.00%−37−100.0%Sold out
Institutional & Family Asset Management, LLC0$00.00%−8−100.0%Sold out
Edge Wealth Management LLC0$00.00%−6−100.0%Sold out
Gerber Kawasaki Wealth & Investment Management0$00.00%−1−100.0%Sold out
Berman Capital Advisors, LLC––––Not filed