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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 2024

Institutional positions in Pacific Biosciences of California, Inc. as of Dec 31, 2024. 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
227
+5 vs. Q3 2024
Shares held
259.5M
+27.7M (+12.0%) vs. Q3 2024
Total value
$475.1M
+$81.0M (+20.6%) vs. Q3 2024
New holders
39
75 more added
Sold out
34
65 more reduced

4 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 227 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 2024: $475.1M
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 2024

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q3 2024.

Institutions holding PACB in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest36,044,362$66.0M0.55%+2,637,961+7.9%Added
BlackRock, Inc.24,594,773$45.0M0.00%+1,342,091+5.8%Added
Madrone Advisors, LLC23,391,915$42.8M8.16%00.0%Unchanged
Edmond de Rothschild Holding S.A.21,346,480$39.1M0.67%+1,038,600+5.1%Added
Softbank Group Corp20,451,570$37.4M0.16%+20,451,570New
Millennium Management LLC17,065,331$31.2M0.03%+6,642,753+63.7%Added
Vanguard Group Inc15,226,858$27.9M0.00%−2,415,946−13.7%Reduced
Sumitomo Mitsui Trust Holdings, Inc.10,178,501$18.6M0.01%−1,687,265−14.2%Reduced
Nikko Asset Management Americas, Inc.10,178,501$18.4M0.20%−1,687,265−14.2%Reduced
State Street Corp6,426,975$11.8M0.00%+150,819+2.4%Added
Geode Capital Management, LLC6,262,925$11.5M0.00%−64,981−1.0%Reduced
Morgan Stanley5,651,558$10.3M0.00%+1,759,016+45.2%Added
Bank of New York Mellon Corp5,203,967$9.52M0.00%−369,200−6.6%Reduced
Jackson Square Partners, LLC5,109,266$9.35M1.01%−1,186,850−18.9%Reduced
T. Rowe Price Investment Management, Inc.4,896,844$8.96M0.01%+4,896,844New
Goldman Sachs Group Inc4,792,776$8.77M0.00%+554,509+13.1%Added
Northern Trust Corp2,514,824$4.60M0.00%+157,145+6.7%Added
Soros Fund Management LLCSuperinvestorSoros Fund Management2,372,265$4.34M0.08%+274,265+13.1%Added
Bank of America Corp2,214,513$4.05M0.00%−139,334−5.9%Reduced
Charles Schwab Investment Management Inc2,176,252$3.98M0.00%+135,949+6.7%Added
Koss-Olinger Consulting, LLC2,000,000$3.66M0.32%+1,200,000+150.0%Added
Walleye Capital LLC1,943,046$3.56M0.03%+1,698,931+696.0%Added
Price T Rowe Associates Inc1,771,653$3.24M0.00%−67,099−3.6%Reduced
Barclays PLC1,660,059$3.04M0.00%+1,064,909+178.9%Added
UBS Group AG1,486,015$2.72M0.00%+843,166+131.2%Added
Two Sigma Investments, LP1,113,577$2.04M0.00%+648,407+139.4%Added
Senvest Management, LLC1,093,954$2.00M0.06%00.0%Unchanged
Vestmark Advisory Solutions, Inc.897,058$2.00M0.07%+276,351+44.5%Added
Casdin Capital, LLC1,035,859$1.90M0.13%00.0%Unchanged
Bourne Lent Asset Management Inc943,755$1.73M0.66%−10,840−1.1%Reduced
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)918,892$1.68M0.06%00.0%Unchanged
Susquehanna International Group, LLP870,635$1.59M0.00%−858,229−49.6%Reduced
Toronto Dominion Bank850,000$1.56M0.00%+850,000New
Mirae Asset Global ETFs Holdings Ltd.703,961$1.29M0.00%−28,506−3.9%Reduced
Group One Trading, L.P.557,333$1.02M0.03%−475,098−46.0%Reduced
UBS Asset Management Americas Inc551,904$1.01M0.00%+38,103+7.4%Added
JPMorgan Chase & Co514,505$941.5K0.00%−50,002−8.9%Reduced
Nordea Investment Management AB517,185$915.4K0.00%+91,559+21.5%Added
Dimensional Fund Advisors LP496,816$908.6K0.00%−53,059−9.6%Reduced
Swiss National Bank475,246$869.7K0.00%00.0%Unchanged
ArrowMark Colorado Holdings LLC468,382$857.1K0.01%00.0%Unchanged
Federated Hermes, Inc.448,298$820.4K0.00%+5,374+1.2%Added
Jane Street Group, LLC426,002$779.6K0.00%−2,245,267−84.1%Reduced
Rhumbline Advisers418,622$766.1K0.00%+5,722+1.4%Added
BNP Paribas Arbitrage, SA370,868$678.7K0.00%−291,860−44.0%Reduced
Citadel Advisors LLC360,981$660.6K0.00%+360,959+1,640,722.7%Added
Caxton Associates LP315,348$577.1K0.02%+315,348New
TD Asset Management Inc292,686$535.6K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The292,459$535.2K0.00%−2,906−1.0%Reduced
Oracle Investment Management Inc279,638$511.7K0.34%−448,239−61.6%Reduced
Algert Global LLC273,557$500.6K0.01%+22,361+8.9%Added
Nuveen Asset Management, LLC270,184$494.4K0.00%00.0%Unchanged
Invesco Ltd.261,576$478.7K0.00%+1,004+0.4%Added
Deutsche Bank AG249,841$457.2K0.00%+80,540+47.6%Added
Citigroup Inc237,691$435.0K0.00%+8,591+3.7%Added
Legal & General Group Plc234,635$429.4K0.00%00.0%Unchanged
California State Teachers Retirement System231,265$423.2K0.00%−2,515−1.1%Reduced
Mirador Capital Partners LP226,586$414.7K0.08%+3,374+1.5%Added
Carret Asset Management, LLC215,000$393.4K0.04%+52,000+31.9%Added
Franklin Resources Inc214,094$391.8K0.00%+36,158+20.3%Added
Assenagon Asset Management S.A.213,091$390.0K0.00%−68,796−24.4%Reduced
IFP Advisors, Inc201,585$368.9K0.01%+38,984+24.0%Added
Alliancebernstein L.P.201,480$368.7K0.00%−141,060−41.2%Reduced
Verition Fund Management LLC201,475$368.7K0.00%+201,475New
Susquehanna Fundamental Investments, LLC192,884$353.0K0.01%+192,884New
LPL Financial LLC185,222$339.0K0.00%−10,291−5.3%Reduced
Two Sigma Advisers, LP167,900$307.3K0.00%+27,800+19.8%Added
Benjamin Edwards Inc165,431$302.6K0.00%+41,884+33.9%Added
Davy Global Fund Management Ltd163,482$299.2K0.04%+96,118+142.7%Added
Wells Fargo & Company163,154$298.6K0.00%+33,933+26.3%Added
State of Wisconsin Investment Board162,330$297.1K0.00%−6,808−4.0%Reduced
MetLife Investment Management145,379$266.0K0.00%+25,216+21.0%Added
Envestnet Asset Management Inc140,123$256.4K0.00%−18,047−11.4%Reduced
Raymond James Financial Inc138,116$252.8K0.00%+138,116New
Corebridge Financial, Inc.135,995$248.9K0.00%−10,266−7.0%Reduced
Intech Investment Management LLC135,142$247.3K0.00%+23,305+20.8%Added
Farallon Capital Management, L.L.C.135,000$247.1K0.00%00.0%Unchanged
Koa Wealth Management, LLC120,000$219.6K0.18%00.0%Unchanged
Clear Harbor Asset Management, LLC113,886$208.4K0.02%−6,000−5.0%Reduced
Janus Henderson Group PLC109,941$199.5K0.00%00.0%Unchanged
Green Alpha Advisors, LLC102,421$187.4K0.15%+38,208+59.5%Added
Gabelli Funds LLC100,000$183.0K0.00%00.0%Unchanged
NJ State Employees Deferred Compensation Plan100,000$183.0K0.02%00.0%Unchanged
Abacus Planning Group, Inc.100,000$183.0K0.03%00.0%Unchanged
Creative Planning96,816$177.2K0.00%+64,407+198.7%Added
ProShare Advisors LLC90,008$164.7K0.00%+22,215+32.8%Added
New York State Common Retirement Fund84,725$155.0K0.00%+63,500+299.2%Added
HSBC Holdings PLC86,809$154.3K0.00%+8,106+10.3%Added
Voya Investment Management LLC81,344$148.9K0.00%−9,047−10.0%Reduced
Simplex Trading, LLC81,022$148.0K0.00%+81,022New
Prosperity Wealth Management, Inc.79,800$146.0K0.06%+79,800New
Zurcher Kantonalbank (Zurich Cantonalbank)77,947$142.6K0.00%+13,916+21.7%Added
Commonwealth Equity Services, LLC76,397$140.0K0.00%−14,924−16.3%Reduced
Avanza Fonder AB76,408$139.8K0.00%+76,408New
DekaBank Deutsche Girozentrale73,300$135.0K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System71,941$131.7K0.00%00.0%Unchanged
Arizona State Retirement System71,184$130.3K0.00%+603+0.9%Added
Stifel Financial Corp67,531$123.6K0.00%+16,843+33.2%Added
AdvisorNet Financial, Inc64,769$118.5K0.01%+4,563+7.6%Added
China Universal Asset Management Co., Ltd.59,988$109.8K0.01%+5,653+10.4%Added