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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, Q1 2025

Institutional positions in Pacific Biosciences of California, Inc. as of Mar 31, 2025. 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
225
+1 vs. Q4 2024
Shares held
225.2M
−33.8M (−13.0%) vs. Q4 2024
Total value
$265.6M
−$208.4M (−44.0%) vs. Q4 2024
New holders
36
57 more added
Sold out
35
74 more reduced

3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 225 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 heldQ1 2025: $265.6M
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, Q1 2025

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q4 2024.

Institutions holding PACB in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Simplex Trading, LLC762$00.00%−80,260−99.1%Reduced
Bessemer Group Inc184$00.00%−571−75.6%Reduced
Hantz Financial Services, Inc.4$00.00%00.0%Unchanged
Covestor Ltd47$00.00%00.0%Unchanged
Avion Wealth327$00.00%+327New
Huntington National Bank1$10.00%00.0%Unchanged
Citadel Advisors LLC22$260.00%−360,959−100.0%Reduced
Nalls Sherbakoff Group, LLC34$400.00%+34New
Gen-Wealth Partners Inc70$830.00%00.0%Unchanged
Coldstream Capital Management Inc73$860.00%+73New
Medallion Wealth Advisors, LLC100$1130.00%00.0%Unchanged
C M Bidwell & Associates Ltd96$1130.00%00.0%Unchanged
ORG Wealth Partners, LLC100$1130.00%+100New
Cordant, Inc.163$1930.00%+163New
Farther Finance Advisors, LLC201$2270.00%00.0%Unchanged
US Bancorp239$2820.00%−525−68.7%Reduced
Headlands Technologies LLC240$2830.00%+240New
VSM Wealth Advisory, LLC241$2840.00%00.0%Unchanged
Hughes Financial Services, LLC381$4310.00%+381New
The PNC Financial Services Group, Inc.369$4350.00%−712−65.9%Reduced
Rialto Wealth Management, LLC385$4550.00%+385New
Sandy Spring Bank390$4610.00%+90+30.0%Added
Colonial Trust Advisors500$5900.00%00.0%Unchanged
GPS Wealth Strategies Group, LLC511$6030.00%00.0%Unchanged
Tidemark, LLC700$8260.00%00.0%Unchanged
EverSource Wealth Advisors, LLC730$8610.00%+623+582.2%Added
Daiwa Securities Group Inc.909$1.00K0.00%00.0%Unchanged
Smithfield Trust Co774$1.00K0.00%00.0%Unchanged
Rothschild Investment LLC849$1.00K0.00%+155+22.3%Added
Caldwell Sutter Capital, Inc.950$1.12K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.1,000$1.18K0.00%00.0%Unchanged
Principal Securities, Inc.719$1.32K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC1,509$1.81K0.00%00.0%Unchanged
Quadrant Capital Group LLC1,672$1.97K0.00%−1,896−53.1%Reduced
Dynamic Wealth Strategies, LLC1,678$1.98K0.00%+1,678New
CWM, LLC1,510$2.00K0.00%−491−24.5%Reduced
Fortitude Family Office, LLC1,950$2.30K0.00%00.0%Unchanged
Garde Capital, Inc.2,000$2.36K0.00%+2,000New
Lindbrook Capital, LLC2,150$2.54K0.00%−168−7.2%Reduced
Signaturefd, LLC2,293$2.71K0.00%−2,161−48.5%Reduced
Bryn Mawr Trust Co2,500$2.95K0.00%00.0%Unchanged
Comerica Bank2,522$2.98K0.00%00.0%Unchanged
SBI Securities Co., Ltd.3,509$4.14K0.00%+418+13.5%Added
Parallel Advisors, LLC3,730$4.40K0.00%+466+14.3%Added
First Horizon Advisors, Inc.4,397$5.19K0.00%−580−11.7%Reduced
Plante Moran Financial Advisors, LLC4,450$5.25K0.00%+3,340+300.9%Added
Allworth Financial LP4,844$5.52K0.00%+293+6.4%Added
Sterling Capital Management LLC4,720$5.57K0.00%−4,042−46.1%Reduced
Newbridge Financial Services Group, Inc.6,000$7.08K0.00%00.0%Unchanged
Canada Pension Plan Investment Board6,500$7.67K0.00%00.0%Unchanged
State of Wyoming6,507$7.68K0.00%−107−1.6%Reduced
GF Fund Management Co. Ltd.6,791$8.01K0.00%+1,041+18.1%Added
Nisa Investment Advisors, LLC8,641$10.2K0.00%+7,752+872.0%Added
FMR LLC8,746$10.3K0.00%−13,907−61.4%Reduced
Mirae Asset Global Investments Co., Ltd.9,237$10.5K0.00%+111+1.2%Added
Federation des caisses Desjardins du Quebec9,200$10.9K0.00%+2,300+33.3%Added
Amalgamated Bank9,441$11.0K0.00%+1,213+14.7%Added
Janney Montgomery Scott LLC10,350$12.0K0.00%+10,350New
Amundi10,766$12.8K0.00%00.0%Unchanged
AQR Capital Management LLC10,922$12.9K0.00%+10,922New
HighTower Advisors, LLC11,111$13.1K0.00%−2,692−19.5%Reduced
Jeppson Wealth Management, LLC11,402$13.5K0.00%+11,402New
Ieq Capital, LLC11,424$13.5K0.00%00.0%Unchanged
Horizon Kinetics Asset Management LLC11,517$13.6K0.00%00.0%Unchanged
Twin Lakes Capital Management, LLC11,557$13.6K0.01%00.0%Unchanged
Orin Green Financial, LLC12,000$13.7K0.01%––
OneAscent Investment Solutions LLC11,587$14.0K0.02%+11,587New
GTS Securities LLC12,509$14.8K0.00%+12,509New
Cim Investment Mangement Inc12,728$15.0K0.00%−303−2.3%Reduced
Old Mission Capital LLC12,831$15.1K0.00%+12,831New
Brevan Howard Capital Management LP14,129$16.7K0.00%+14,129New
Mackenzie Financial Corp15,090$17.8K0.00%00.0%Unchanged
EMC Capital Management14,785$18.0K0.01%00.0%Unchanged
Caitong International Asset Management Co., Ltd16,699$19.7K0.01%+16,699New
Mariner, LLC16,857$19.9K0.00%−12,907−43.4%Reduced
Gallagher Fiduciary Advisors, LLC17,389$20.5K0.00%+339+2.0%Added
Atria Wealth Solutions, Inc.18,218$21.5K0.00%+18,218New
Principal Financial Group Inc18,435$21.8K0.00%+3,187+20.9%Added
Ballentine Partners, LLC19,019$22.4K0.00%−10,133−34.8%Reduced
FNY Investment Advisers, LLC20,000$23.0K0.01%−5,000−20.0%Reduced
Xponance, Inc.19,862$23.4K0.00%+468+2.4%Added
Wealth Enhancement Advisory Services, LLC20,374$24.0K0.00%−2,599−11.3%Reduced
Worth Asset Management, LLC20,400$24.1K0.01%+20,400New
SVB Capital Management, LLC20,586$24.3K0.07%00.0%Unchanged
Prudential Financial Inc20,622$24.3K0.00%+390+1.9%Added
Jump Financial, LLC21,413$25.3K0.00%+21,413New
Equitable Holdings, Inc.21,875$25.8K0.00%00.0%Unchanged
Atria Investments LLC22,328$26.3K0.00%−3,926−15.0%Reduced
Cresset Asset Management, LLC22,955$27.1K0.00%−2,928−11.3%Reduced
Private Advisor Group, LLC23,383$27.6K0.00%−2,625−10.1%Reduced
Interchange Capital Partners, LLC23,563$27.8K0.01%−6,433−21.4%Reduced
Eqis Capital Management, Inc.24,606$29.0K0.00%−24,185−49.6%Reduced
MML Investors Services, LLC25,600$30.0K0.00%−3,967−13.4%Reduced
Ameritas Investment Partners, Inc.26,094$30.8K0.00%00.0%Unchanged
Public Employees Retirement Association of Colorado26,468$31.0K0.00%00.0%Unchanged
Pictet Asset Management Holding SA27,025$31.9K0.00%00.0%Unchanged
Sandbox Financial Partners, LLC27,517$32.5K0.01%+27,517New
Victory Capital Management Inc29,365$34.7K0.00%−546−1.8%Reduced
Ambassador Advisors, LLC30,000$35.4K0.01%00.0%Unchanged
Venture Visionary Partners LLC30,000$35.4K0.00%00.0%Unchanged