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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, Q3 2025

Institutional positions in Pacific Biosciences of California, Inc. as of Sep 30, 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
208
+3 vs. Q2 2025
Shares held
186.2M
−12.2M (−6.1%) vs. Q2 2025
Total value
$237.8M
−$7.96M (−3.2%) vs. Q2 2025
New holders
28
56 more added
Sold out
25
61 more reduced

2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 holdersQ3 2025: 208 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 heldQ3 2025: $237.8M
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, Q3 2025

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q2 2025.

Institutions holding PACB in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
CIBC World Markets Inc.30,000$38.4K0.00%−3,100−9.4%Reduced
Ambassador Advisors, LLC30,000$38.4K0.01%00.0%Unchanged
Venture Visionary Partners LLC30,300$38.8K0.00%00.0%Unchanged
Victory Capital Management Inc30,459$39.0K0.00%−1,040−3.3%Reduced
Hartline Investment Corp31,000$39.7K0.00%00.0%Unchanged
Sanctuary Advisors, LLC31,509$40.3K0.00%+673+2.2%Added
Kestra Advisory Services, LLC34,206$43.8K0.00%+34,206New
JustInvest LLC34,555$44.2K0.00%−2,191−6.0%Reduced
Prudential Financial Inc35,684$45.7K0.00%00.0%Unchanged
Water Island Capital LLC35,754$45.8K0.01%+35,754New
Western Wealth Management, LLC40,345$51.6K0.00%+40,345New
GTS Securities LLC45,306$58.0K0.00%+45,306New
Wealth Architects, LLC48,725$62.4K0.01%00.0%Unchanged
Kestra Private Wealth Services, LLC49,900$63.9K0.00%+22,000+78.9%Added
Evolution Wealth Advisors, LLC50,000$64.0K0.01%00.0%Unchanged
Archford Capital Strategies, LLC51,194$65.5K0.01%−1,500−2.8%Reduced
AQR Capital Management LLC51,335$65.7K0.00%+34,346+202.2%Added
Voya Investment Management LLC51,548$66.0K0.00%−25,850−33.4%Reduced
China Universal Asset Management Co., Ltd.52,650$67.4K0.01%−9,540−15.3%Reduced
Stifel Financial Corp54,709$70.0K0.00%−2,403−4.2%Reduced
Wolverine Trading, LLC59,213$74.0K0.00%−1,952−3.2%Reduced
ProShare Advisors LLC57,916$74.1K0.00%−9,912−14.6%Reduced
BNP Paribas Arbitrage, SA58,326$74.7K0.00%+21,864+60.0%Added
Canada Pension Plan Investment Board61,900$79.2K0.00%−11,400−15.6%Reduced
TCG Advisory Services, LLC61,900$79.2K0.00%00.0%Unchanged
DekaBank Deutsche Girozentrale73,300$90.0K0.00%00.0%Unchanged
SG Americas Securities, LLC70,673$90.0K0.00%+70,673New
Simplex Trading, LLC71,768$91.0K0.00%−45,757−38.9%Reduced
State Board of Administration of Florida Retirement System71,941$92.1K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey81,148$103.9K0.00%+23,262+40.2%Added
New York State Common Retirement Fund84,825$108.6K0.00%00.0%Unchanged
Wealthfront Advisers LLC90,205$115.5K0.00%+387+0.4%Added
Tower Research Capital LLC (TRC)90,915$116.4K0.00%−13,039−12.5%Reduced
Manufacturers Life Insurance Company, The93,842$120.1K0.00%−7,072−7.0%Reduced
IFP Advisors, Inc95,612$122.4K0.00%−52,718−35.5%Reduced
Gabelli Funds LLC100,000$128.0K0.00%00.0%Unchanged
NJ State Employees Deferred Compensation Plan100,000$128.0K0.01%00.0%Unchanged
Abacus Planning Group, Inc.100,000$128.0K0.02%00.0%Unchanged
Brevan Howard Capital Management LP101,957$130.5K0.00%+101,957New
Bank of Montreal108,570$139.0K0.00%+7,695+7.6%Added
Marex Group plc118,200$151.4K0.00%+118,200New
Koa Wealth Management, LLC120,000$153.6K0.11%00.0%Unchanged
Clear Harbor Asset Management, LLC125,294$160.4K0.01%+2,400+2.0%Added
AdvisorNet Financial, Inc125,817$161.0K0.01%+17,048+15.7%Added
Intech Investment Management LLC132,368$169.4K0.00%+6,564+5.2%Added
Benjamin Edwards Inc133,877$171.3K0.00%−20,230−13.1%Reduced
Farallon Capital Management, L.L.C.135,000$172.8K0.00%00.0%Unchanged
MetLife Investment Management136,916$175.3K0.00%−29,076−17.5%Reduced
Envestnet Asset Management Inc140,968$180.4K0.00%−8,773−5.9%Reduced
Main Street Research LLC142,100$181.9K0.01%+142,100New
Price T Rowe Associates Inc145,864$187.0K0.00%−133,373−47.8%Reduced
Cetera Investment Advisers150,181$192.2K0.00%+45,456+43.4%Added
Raymond James Financial Inc161,865$207.2K0.00%+9,896+6.5%Added
Green Alpha Advisors, LLC174,025$222.8K0.22%−32,998−15.9%Reduced
Deutsche Bank AG208,874$267.4K0.00%+27,623+15.2%Added
LPL Financial LLC214,123$274.1K0.00%+37,581+21.3%Added
Wells Fargo & Company231,955$296.9K0.00%+44,092+23.5%Added
Jane Street Group, LLC237,023$303.4K0.00%+237,023New
Man Group plc250,276$320.4K0.00%+250,276New
Nuveen, LLC270,184$345.8K0.00%00.0%Unchanged
Creative Planning318,850$408.1K0.00%+143,160+81.5%Added
Mirae Asset Global ETFs Holdings Ltd.325,150$416.2K0.00%−25,398−7.2%Reduced
Quadrature Capital Ltd352,355$449.3K0.01%+352,355New
Dimensional Fund Advisors LP362,823$464.0K0.00%−27,760−7.1%Reduced
Alliancebernstein L.P.387,060$495.4K0.00%00.0%Unchanged
Barclays PLC399,907$511.9K0.00%−90,185−18.4%Reduced
Two Sigma Investments, LP401,766$514.3K0.00%+401,766New
Gsa Capital Partners LLP409,370$524.0K0.04%+409,370New
Rhumbline Advisers415,679$532.1K0.00%+8,532+2.1%Added
Carret Asset Management, LLC420,000$537.6K0.05%+105,000+33.3%Added
Morgan Stanley451,215$577.6K0.00%−380,555−45.8%Reduced
Group One Trading, L.P.454,868$582.2K0.02%+352,426+344.0%Added
ArrowMark Colorado Holdings LLC468,382$599.5K0.01%00.0%Unchanged
JPMorgan Chase & Co468,880$600.2K0.00%−11,622−2.4%Reduced
Birchview Capital, LP500,000$640.0K0.48%+100,000+25.0%Added
Goldman Sachs Group Inc509,427$652.1K0.00%+24,686+5.1%Added
Mirador Capital Partners LP581,393$744.2K0.11%+17,723+3.1%Added
Vestmark Advisory Solutions, Inc.601,523$769.9K0.01%−692,663−53.5%Reduced
Casdin Capital, LLC723,767$926.4K0.08%00.0%Unchanged
Bank of New York Mellon Corp805,556$1.03M0.00%−82,910−9.3%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH808,700$1.04M0.00%+400,000+97.9%Added
PEAK6 LLC890,598$1.14M0.03%−109,402−10.9%Reduced
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)918,892$1.18M0.03%00.0%Unchanged
Squarepoint Ops LLC932,076$1.19M0.00%+637,492+216.4%Added
Bourne Lent Asset Management Inc967,055$1.24M0.44%−5,200−0.5%Reduced
Invesco Ltd.1,106,773$1.42M0.00%+267,433+31.9%Added
Davy Global Fund Management Ltd1,288,692$1.65M0.11%+499,421+63.3%Added
Susquehanna International Group, LLP1,375,259$1.76M0.00%+92,624+7.2%Added
Bank of America Corp1,472,690$1.89M0.00%+769,987+109.6%Added
UBS Group AG1,497,226$1.92M0.00%−495,932−24.9%Reduced
Northern Trust Corp2,288,896$2.93M0.00%+82,803+3.8%Added
Charles Schwab Investment Management Inc2,427,354$3.11M0.00%+137,425+6.0%Added
Citadel Advisors LLC2,498,354$3.20M0.00%+2,498,354New
Amiral Gestion2,733,290$3.21M1.17%00.0%Unchanged
Koss-Olinger Consulting, LLC3,300,000$4.09M0.34%00.0%Unchanged
Point72 (DIFC) Ltd4,270,137$5.47M0.38%+1,811,137+73.7%Added
Millennium Management LLC4,916,795$6.29M0.00%+4,048,555+466.3%Added
Madrone Advisors, LLC4,976,089$6.37M0.31%−11,786,127−70.3%Reduced
State Street Corp5,909,644$7.56M0.00%+155,061+2.7%Added
Geode Capital Management, LLC6,906,655$8.84M0.00%+187,776+2.8%Added