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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
JustInvest LLC30,425$35.9K0.00%+26+0.1%Added
Axxcess Wealth Management, LLC30,838$36.4K0.00%−2,630−7.9%Reduced
Hartline Investment Corp31,000$36.6K0.00%+31,000New
Two Sigma Securities, LLC33,038$39.0K0.01%+33,038New
SG Americas Securities, LLC32,904$39.0K0.00%+19,203+140.2%Added
Wolverine Trading, LLC35,672$40.7K0.00%+19,957+127.0%Added
Mercer Global Advisors Inc34,894$41.2K0.00%+11,068+46.5%Added
Sanctuary Advisors, LLC35,122$41.4K0.00%−335−0.9%Reduced
Great West Life Assurance Co35,742$42.0K0.00%+4,650+15.0%Added
Prime Capital Investment Advisors, LLC35,707$42.1K0.00%+370+1.0%Added
Teacher Retirement System of Texas36,528$43.1K0.00%+36,528New
Advisor Group Holdings, Inc.37,437$44.2K0.00%−683−1.8%Reduced
KLP Kapitalforvaltning AS40,800$48.1K0.00%00.0%Unchanged
Pathstone Holdings, LLC41,084$48.5K0.00%+20,542+100.0%Added
BNP Paribas Arbitrage, SA43,821$51.7K0.00%−327,047−88.2%Reduced
Guggenheim Capital LLC46,517$54.9K0.00%−7,943−14.6%Reduced
Royal Bank of Canada46,925$55.0K0.00%−4,534−8.8%Reduced
Wealth Architects, LLC48,725$57.5K0.01%00.0%Unchanged
Baader Bank INC61,962$57.8K0.01%+61,962New
Optiver Holding B.V.49,338$58.2K0.00%+48,598+6,567.3%Added
Evolution Wealth Advisors, LLC50,000$59.0K0.01%00.0%Unchanged
Creative Planning50,797$59.9K0.00%−46,019−47.5%Reduced
Archford Capital Strategies, LLC52,694$62.2K0.01%00.0%Unchanged
China Universal Asset Management Co., Ltd.56,851$67.1K0.01%−3,137−5.2%Reduced
Police & Firemen's Retirement System of New Jersey57,886$68.3K0.00%00.0%Unchanged
CIBC World Markets Inc.58,100$68.6K0.00%+58,100New
Stifel Financial Corp59,532$70.3K0.00%−7,999−11.8%Reduced
CIBC World Markets Corp60,697$71.6K0.00%+35,097+137.1%Added
DekaBank Deutsche Girozentrale73,300$79.0K0.00%00.0%Unchanged
Marex Group plc70,804$83.5K0.00%+70,804New
Arizona State Retirement System71,506$84.4K0.00%+322+0.5%Added
ProShare Advisors LLC71,572$84.5K0.00%−18,436−20.5%Reduced
State Board of Administration of Florida Retirement System71,941$84.9K0.00%00.0%Unchanged
Commonwealth Equity Services, LLC76,362$90.0K0.00%−350.0%Reduced
Voya Investment Management LLC76,578$90.4K0.00%−4,766−5.9%Reduced
AdvisorNet Financial, Inc76,664$90.5K0.01%+11,895+18.4%Added
Squarepoint Ops LLC79,578$93.9K0.00%+69,400+681.9%Added
Zurcher Kantonalbank (Zurich Cantonalbank)84,329$99.5K0.00%+6,382+8.2%Added
New York State Common Retirement Fund84,825$100.1K0.00%+100+0.1%Added
HSBC Holdings PLC86,601$100.1K0.00%−208−0.2%Reduced
Avanza Fonder AB80,727$102.5K0.00%+4,319+5.7%Added
Wealthfront Advisers LLC89,576$105.7K0.00%+51,825+137.3%Added
SIH Partners, LLLP91,128$107.5K0.01%+91,128New
Cetera Investment Advisers95,108$112.2K0.00%+66,776+235.7%Added
Tower Research Capital LLC (TRC)96,457$113.8K0.00%+87,658+996.2%Added
Manufacturers Life Insurance Company, The98,116$115.8K0.00%−194,343−66.5%Reduced
Gabelli Funds LLC100,000$118.0K0.00%00.0%Unchanged
NJ State Employees Deferred Compensation Plan100,000$118.0K0.02%00.0%Unchanged
Abacus Planning Group, Inc.100,000$118.0K0.02%00.0%Unchanged
Two Sigma Advisers, LP102,500$121.0K0.00%−65,400−39.0%Reduced
Bank of Montreal105,565$124.6K0.00%+105,565New
Janus Henderson Group PLC109,941$124.8K0.00%00.0%Unchanged
Koa Wealth Management, LLC120,000$141.6K0.11%00.0%Unchanged
Clear Harbor Asset Management, LLC123,184$145.4K0.01%+9,298+8.2%Added
Raymond James Financial Inc130,106$153.5K0.00%−8,010−5.8%Reduced
Corebridge Financial, Inc.134,010$158.1K0.00%−1,985−1.5%Reduced
Farallon Capital Management, L.L.C.135,000$159.3K0.00%00.0%Unchanged
Susquehanna Fundamental Investments, LLC136,683$161.3K0.00%−56,201−29.1%Reduced
HRT Financial LP143,843$169.0K0.00%+143,843New
MetLife Investment Management143,431$169.2K0.00%−1,948−1.3%Reduced
State of Wisconsin Investment Board159,645$188.4K0.00%−2,685−1.7%Reduced
Benjamin Edwards Inc159,802$188.6K0.00%−5,629−3.4%Reduced
Envestnet Asset Management Inc163,482$192.9K0.00%+23,359+16.7%Added
Wells Fargo & Company170,988$201.8K0.00%+7,834+4.8%Added
LPL Financial LLC183,803$216.9K0.00%−1,419−0.8%Reduced
Intech Investment Management LLC187,186$220.9K0.00%+52,044+38.5%Added
IFP Advisors, Inc194,280$229.3K0.01%−7,305−3.6%Reduced
Gsa Capital Partners LLP208,776$246.0K0.02%+208,776New
Franklin Resources Inc214,291$252.9K0.00%+197+0.1%Added
Green Alpha Advisors, LLC216,794$255.8K0.27%+114,373+111.7%Added
Alliancebernstein L.P.227,660$268.6K0.00%+26,180+13.0%Added
California State Teachers Retirement System231,265$272.9K0.00%00.0%Unchanged
Legal & General Group Plc234,635$276.9K0.00%00.0%Unchanged
Deutsche Bank AG254,147$299.9K0.00%+4,306+1.7%Added
Price T Rowe Associates Inc260,841$308.0K0.00%−1,510,812−85.3%Reduced
Nuveen, LLC270,184$318.8K0.00%+270,184New
Algert Global LLC273,557$322.8K0.01%00.0%Unchanged
Citigroup Inc282,241$333.0K0.00%+44,550+18.7%Added
Jane Street Group, LLC314,631$371.3K0.00%−111,371−26.1%Reduced
Davy Global Fund Management Ltd318,170$375.4K0.04%+154,688+94.6%Added
Susquehanna International Group, LLP348,013$410.7K0.00%−522,622−60.0%Reduced
National Bank of Canada371,600$438.5K0.00%+371,600New
Barclays PLC385,027$454.3K0.00%−1,275,032−76.8%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH408,700$482.3K0.00%+408,700New
Rhumbline Advisers438,775$517.7K0.00%+20,153+4.8%Added
Dimensional Fund Advisors LP446,988$526.9K0.00%−49,828−10.0%Reduced
Federated Hermes, Inc.465,258$549.0K0.00%+16,960+3.8%Added
ArrowMark Colorado Holdings LLC468,382$552.7K0.01%00.0%Unchanged
Swiss National Bank475,246$560.8K0.00%00.0%Unchanged
XTX Topco Ltd488,237$576.1K0.03%+488,237New
Toronto Dominion Bank500,100$590.1K0.00%−349,900−41.2%Reduced
Mirador Capital Partners LP515,734$608.6K0.11%+289,148+127.6%Added
JPMorgan Chase & Co521,334$615.2K0.00%+6,829+1.3%Added
Invesco Ltd.524,643$619.1K0.00%+263,067+100.6%Added
UBS Asset Management Americas Inc531,321$627.0K0.00%−20,583−3.7%Reduced
Two Sigma Investments, LP542,200$639.8K0.00%−571,377−51.3%Reduced
Vestmark Advisory Solutions, Inc.681,426$804.1K0.02%−215,632−24.0%Reduced
Mirae Asset Global ETFs Holdings Ltd.689,526$813.6K0.00%−14,435−2.1%Reduced
Casdin Capital, LLC723,767$854.0K0.07%−312,092−30.1%Reduced
Bank of America Corp857,055$1.01M0.00%−1,357,458−61.3%Reduced