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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 2026

Institutional positions in Pacific Biosciences of California, Inc. as of Jun 30, 2026. 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
223
−5 vs. Q1 2026
Shares held
191.1M
+2.97M (+1.6%) vs. Q1 2026
Total value
$320.8M
+$72.4M (+29.1%) vs. Q1 2026
New holders
24
70 more added
Sold out
29
77 more reduced

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 223 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 2026: $320.8M
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 2026

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q1 2026.

Institutions holding PACB in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Wealth Architects, LLC48,725$81.9K0.01%00.0%Unchanged
BNP Paribas Arbitrage, SA48,539$81.5K0.00%−16,859−25.8%Reduced
Prudential Financial Inc47,487$79.8K0.00%+4,000+9.2%Added
ProShare Advisors LLC47,184$79.3K0.00%−6,351−11.9%Reduced
Engineers Gate Manager LP45,320$76.1K0.00%−6,969−13.3%Reduced
Caitong International Asset Management Co., Ltd41,895$70.4K0.01%+38,537+1,147.6%Added
Squarepoint Ops LLC41,776$70.2K0.00%+41,776New
SG Americas Securities, LLC41,463$70.0K0.00%+9,402+29.3%Added
Wealthfront Advisers LLC39,511$66.4K0.00%+65+0.2%Added
Sanctuary Advisors, LLC37,458$62.9K0.00%+632+1.7%Added
Kestra Advisory Services, LLC35,298$59.3K0.00%+500+1.4%Added
Royal Bank of Canada35,441$59.0K0.00%+18,211+105.7%Added
Great West Life Assurance Co34,463$58.0K0.00%+8,801+34.3%Added
Canada Pension Plan Investment Board33,400$56.1K0.00%−74,400−69.0%Reduced
Victory Capital Management Inc33,057$55.5K0.00%+2,214+7.2%Added
Jane Street Group, LLC31,971$53.7K0.00%−1,358,099−97.7%Reduced
Sequoia Financial Advisors, LLC31,355$52.7K0.00%+31,355New
Venture Visionary Partners LLC30,300$50.9K0.00%00.0%Unchanged
Clear Harbor Asset Management, LLC29,900$50.2K0.00%−14,230−32.2%Reduced
Legal & General Group Plc27,572$46.3K0.00%+3,125+12.8%Added
Granite Bay Wealth Management, LLC27,517$46.0K0.00%+27,517New
Xponance, Inc.26,878$45.2K0.00%+2,101+8.5%Added
M&T Bank Corp26,688$44.8K0.00%+26,688New
Scientech Research LLC26,256$44.1K0.04%−12,194−31.7%Reduced
FMR LLC25,342$42.6K0.00%−11,641−31.5%Reduced
JustInvest LLC25,164$42.3K0.00%−942−3.6%Reduced
Private Wealth Partners, LLC25,000$42.0K0.00%00.0%Unchanged
Axxcess Wealth Management, LLC24,178$40.6K0.00%−4,425−15.5%Reduced
Cresset Asset Management, LLC23,508$39.5K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.22,894$38.5K0.00%00.0%Unchanged
SVB Capital Management, LLC20,586$34.6K0.47%00.0%Unchanged
Principal Financial Group Inc20,581$34.6K0.00%+8,583+71.5%Added
Brighton Jones LLC20,491$34.4K0.00%+6,485+46.3%Added
Neuberger Berman Group LLC20,251$34.0K0.00%−10,690−34.5%Reduced
Prime Capital Investment Advisors, LLC19,923$33.5K0.00%−356−1.8%Reduced
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors19,000$31.9K0.00%−3,000−13.6%Reduced
IFP Advisors, Inc18,609$31.3K0.00%−16,097−46.4%Reduced
Insigneo Advisory Services, LLC18,595$31.2K0.00%00.0%Unchanged
Bronte Capital Management Pty Ltd.17,881$30.0K0.00%+17,881New
SRS Capital Advisors, Inc.17,775$29.9K0.00%+15,642+733.3%Added
CI Private Wealth, LLC17,660$29.7K0.00%+802+4.8%Added
Private Advisor Group, LLC17,237$29.0K0.00%−7,500−30.3%Reduced
ExodusPoint Capital Management, LP17,004$28.6K0.00%+17,004New
CIBC Bancorp USA Inc.16,193$27.2K0.00%+1,679+11.6%Added
Quantinno Capital Management LP15,373$25.8K0.00%+718+4.9%Added
Abel Hall, LLC14,963$25.1K0.00%−7,736−34.1%Reduced
Ballentine Partners, LLC14,386$24.2K0.00%−2,277−13.7%Reduced
Farallon Capital Management, L.L.C.14,200$23.9K0.00%−120,800−89.5%Reduced
Mirae Asset Global Investments Co., Ltd.13,891$23.3K0.00%−1,861−11.8%Reduced
Tower Research Capital LLC (TRC)13,784$23.2K0.00%−36,733−72.7%Reduced
Bank of Montreal13,427$22.6K0.00%+13,427New
Headlands Technologies LLC12,537$21.1K0.00%+12,537New
Quantbot Technologies LP11,949$20.1K0.00%+11,948+1,194,800.0%Added
Krilogy Financial LLC11,490$19.3K0.00%−3,854−25.1%Reduced
Merit Financial Group, LLC11,005$18.5K0.00%−4,562−29.3%Reduced
GTS Securities LLC10,896$18.3K0.00%−6,237−36.4%Reduced
Kingsview Wealth Management, LLC10,765$18.1K0.00%00.0%Unchanged
CAPROCK Group, Inc.10,325$17.3K0.00%+10,325New
Colony Group, LLC10,077$16.9K0.00%+10,077New
Horizon Kinetics Asset Management LLC10,068$16.9K0.00%−483−4.6%Reduced
DKM Wealth Management, Inc.10,000$16.8K0.01%00.0%Unchanged
FNY Investment Advisers, LLC10,000$16.0K0.01%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)9,146$15.4K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec7,500$12.6K0.00%00.0%Unchanged
Allworth Financial LP6,809$11.4K0.00%−1,119−14.1%Reduced
GF Fund Management Co. Ltd.6,391$10.7K0.00%−314−4.7%Reduced
Twin Lakes Capital Management, LLC5,669$9.52K0.00%00.0%Unchanged
California State Teachers Retirement System3,867$6.50K0.00%−11,076−74.1%Reduced
Nisa Investment Advisors, LLC3,642$6.12K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC3,183$5.35K0.00%+398+14.3%Added
SBI Securities Co., Ltd.3,157$5.30K0.00%−17,827−85.0%Reduced
Parallel Advisors, LLC3,000$5.04K0.00%−101−3.3%Reduced
Hurley Capital, LLC2,976$5.00K0.00%00.0%Unchanged
GAMMA Investing LLC2,572$4.32K0.00%−393−13.3%Reduced
Bryn Mawr Trust Co2,500$4.20K0.00%00.0%Unchanged
Huntington National Bank2,481$4.17K0.00%+2,480+248,000.0%Added
Rockefeller Capital Management L.P.2,368$3.98K0.00%−2,830−54.4%Reduced
Signaturefd, LLC1,879$3.16K0.00%−5,078−73.0%Reduced
Dynamic Wealth Strategies, LLC1,678$2.82K0.00%00.0%Unchanged
Fifth Third Bancorp1,508$2.53K0.00%−319−17.5%Reduced
Keating Financial Advisory Services, Inc.1,500$2.52K0.00%00.0%Unchanged
Optiver Holding B.V.1,436$2.41K0.00%−704−32.9%Reduced
Sterling Capital Management LLC1,306$2.19K0.00%−7,897−85.8%Reduced
SJS Investment Consulting Inc.1,144$1.92K0.00%+1,094+2,188.0%Added
Fortitude Family Office, LLC1,131$1.90K0.00%+1,131New
Jones Financial Companies LLLP1,000$1.65K0.00%00.0%Unchanged
Caldwell Sutter Capital, Inc.950$1.60K0.00%00.0%Unchanged
UMA Financial Services, Inc.917$1.54K0.00%00.0%Unchanged
Louisbourg Investments Inc.900$1.51K0.00%−1,000−52.6%Reduced
Gill Capital Partners, LLC800$1.34K0.00%−177−18.1%Reduced
Stone House Investment Management, LLC797$1.34K0.00%−700−46.8%Reduced
Tidemark, LLC700$1.18K0.00%00.0%Unchanged
Smithfield Trust Co774$1.00K0.00%00.0%Unchanged
Essential Partners LLC570$9580.00%−18,045−96.9%Reduced
Quarry LP504$8470.00%+504New
Larson Financial Group LLC500$8400.00%+500New
Ancora Advisors, LLC430$7220.00%00.0%Unchanged
Core Capital Management & Research, inc.518$6990.00%+518New
National Bank of Canada397$6630.00%+199+100.5%Added
Cornerstone Financial Management LLC377$6330.00%00.0%Unchanged