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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 2023

Institutional positions in Pacific Biosciences of California, Inc. as of Jun 30, 2023. 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
272
+14 vs. Q1 2023
Shares held
253.8M
+447.9K (+0.2%) vs. Q1 2023
Total value
$3.37B
+$444.3M (+15.2%) vs. Q1 2023
New holders
45
99 more added
Sold out
31
64 more reduced

2 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 2023: 272 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 2023: $3.37B
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 2023

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q1 2023.

Institutions holding PACB in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest26,634,620$354.2M2.35%−1,119,059−4.0%Reduced
Vanguard Group Inc23,126,767$307.6M0.01%+851,077+3.8%Added
BlackRock Inc.20,822,903$276.9M0.01%+621,003+3.1%Added
Madrone Advisors, LLC16,415,933$218.3M38.11%00.0%Unchanged
Sumitomo Mitsui Trust Holdings, Inc.13,649,948$181.5M0.14%−356,567−2.5%Reduced
Nikko Asset Management Americas, Inc.13,649,948$181.3M1.91%−356,567−2.5%Reduced
Jackson Square Partners, LLC8,517,624$113.3M3.30%−3,580,337−29.6%Reduced
Farallon Capital Management, L.L.C.8,338,120$110.9M0.66%+1,983,000+31.2%Added
Bellevue Group AG7,542,829$100.3M1.43%+516,723+7.4%Added
Point72 Asset Management, L.P.6,661,633$88.6M0.31%−627,735−8.6%Reduced
T. Rowe Price Investment Management, Inc.6,171,599$82.1M0.06%+751,036+13.9%Added
State Street Corp5,328,651$70.9M0.00%−34,168−0.6%Reduced
Geode Capital Management, LLC4,921,808$65.5M0.01%+190,699+4.0%Added
Avidity Partners Management LP4,337,400$57.7M2.01%+524,800+13.8%Added
Capital International Investors4,215,801$56.1M0.01%00.0%Unchanged
Macquarie Group Ltd4,074,164$54.2M0.06%+60,547+1.5%Added
Citadel Advisors LLC3,921,303$52.2M0.06%−1,127,669−22.3%Reduced
Price T Rowe Associates Inc3,889,922$51.7M0.01%+248,110+6.8%Added
FMR LLC3,730,775$49.6M0.00%−637,392−14.6%Reduced
Lord, Abbett & Co. LLC3,683,866$49.0M0.17%+251,862+7.3%Added
Dimensional Fund Advisors LP3,562,042$47.4M0.02%−23,331−0.7%Reduced
Capital World Investors3,390,000$45.1M0.01%00.0%Unchanged
Northern Trust Corp2,815,761$37.4M0.01%+276,619+10.9%Added
Goldman Sachs Group Inc2,461,841$32.7M0.01%+142,549+6.1%Added
Iron Triangle Partners LP2,400,000$31.9M4.38%+100,000+4.3%Added
Oracle Investment Management Inc2,015,495$26.8M25.32%00.0%Unchanged
Alyeska Investment Group, L.P.1,929,086$25.7M0.19%+844,702+77.9%Added
Bank of New York Mellon Corp1,888,143$25.1M0.01%+393,237+26.3%Added
Victory Capital Management Inc1,844,121$24.5M0.03%+192,332+11.6%Added
Charles Schwab Investment Management Inc1,780,426$23.7M0.01%+40,017+2.3%Added
Morgan Stanley1,735,597$23.1M0.00%−318,931−15.5%Reduced
Norges Bank1,506,221$20.0M0.00%+317,400+26.7%Added
Decheng Capital Management III (Cayman), LLC1,463,872$19.5M6.11%00.0%Unchanged
Deep Track Capital, LP1,451,201$19.3M0.90%−2,053,189−58.6%Reduced
SEI Investments Co1,447,692$19.3M0.03%−708,474−32.9%Reduced
Mirae Asset Global Investments Co., Ltd.1,392,590$18.5M0.04%+30,767+2.3%Added
JPMorgan Chase & Co1,328,873$17.7M0.00%+119,997+9.9%Added
Millennium Management LLC1,303,381$17.3M0.02%+1,303,381New
Invesco Ltd.1,180,989$15.7M0.00%+993,369+529.5%Added
Baker Bros. Advisors LP1,127,782$15.0M0.09%00.0%Unchanged
Blackstone Group Inc.1,000,000$13.3M0.06%00.0%Unchanged
Senator Investment Group LP1,000,000$13.3M0.60%00.0%Unchanged
Voloridge Investment Management, LLC950,464$12.6M0.06%−764,942−44.6%Reduced
Ardsley Advisory Partners LP906,000$12.0M2.72%00.0%Unchanged
Woodline Partners LP801,137$10.7M0.13%+193,203+31.8%Added
Two Sigma Investments, LP764,772$10.2M0.03%+704,972+1,178.9%Added
D. E. Shaw & Co., Inc.721,632$9.60M0.01%+106,381+17.3%Added
Schroder Investment Management Group712,417$9.48M0.01%+712,417New
Nuveen Asset Management, LLC663,029$8.82M0.00%+5,231+0.8%Added
Granahan Investment Management Inc610,260$8.12M0.25%−155,867−20.3%Reduced
Bank of America Corp597,720$7.95M0.00%−242,167−28.8%Reduced
Bourne Lent Asset Management Inc580,000$7.71M2.69%−11,450−1.9%Reduced
Polar Asset Management Partners Inc.566,700$7.54M0.15%−95,000−14.4%Reduced
BNP Paribas Arbitrage, SA539,218$7.17M0.01%+430,177+394.5%Added
Swiss National Bank516,646$6.87M0.00%+53,000+11.4%Added
Man Group plc483,580$6.43M0.02%+483,580New
Edmond de Rothschild Holding S.A.427,500$5.69M0.11%+427,500New
TD Asset Management Inc419,357$5.58M0.01%+18,985+4.7%Added
Neuberger Berman Group LLC412,749$5.49M0.00%+412,749New
Rhumbline Advisers381,591$5.08M0.01%−21,914−5.4%Reduced
Schonfeld Strategic Advisors LLC377,300$5.02M0.04%+165,962+78.5%Added
Parkman Healthcare Partners LLC325,500$4.33M0.75%+325,500New
Barclays PLC311,356$4.14M0.00%+156,177+100.6%Added
Alliancebernstein L.P.300,530$4.00M0.00%+71,230+31.1%Added
California State Teachers Retirement System292,680$3.89M0.01%+11,821+4.2%Added
Numerai GP LLC291,117$3.87M0.79%+291,117New
Susquehanna International Group, LLP288,775$3.84M0.01%+177,979+160.6%Added
Manufacturers Life Insurance Company, The283,306$3.77M0.00%+9,930+3.6%Added
Brookfield Asset Management Inc.282,763$3.76M0.01%+15,179+5.7%Added
Jane Street Group, LLC280,002$3.72M0.01%+203,620+266.6%Added
Credit Suisse AG269,798$3.59M0.00%+44,505+19.8%Added
UBS Asset Management Americas Inc290,689$3.37M0.00%00.0%Unchanged
Group One Trading, L.P.238,442$3.17M0.14%−8,058−3.3%Reduced
Harvard Management Co Inc233,186$3.10M0.30%+4,042+1.8%Added
UBS Group AG230,082$3.06M0.00%+193,508+529.1%Added
Guggenheim Capital LLC228,091$3.03M0.02%−35,293−13.4%Reduced
Legal & General Group Plc226,827$3.02M0.00%+14,746+7.0%Added
GTS Securities LLC207,799$2.76M0.09%+207,799New
First Trust Advisors LP204,779$2.72M0.00%+204,779New
Two Sigma Advisers, LP194,800$2.59M0.01%+30,200+18.3%Added
State of New Jersey Common Pension Fund D193,524$2.57M0.01%−55,564−22.3%Reduced
State of Wisconsin Investment Board172,191$2.29M0.01%−8,297−4.6%Reduced
Simplex Trading, LLC170,443$2.27M0.10%+170,443New
Duality Advisers, LP165,047$2.20M0.28%+60,693+58.2%Added
Quantbot Technologies LP163,024$2.17M0.14%+163,024New
Nisa Investment Advisors, LLC162,258$2.16M0.02%+540+0.3%Added
Deutsche Bank AG161,636$2.15M0.00%−49,589−23.5%Reduced
LPL Financial LLC154,945$2.06M0.00%−5,557−3.5%Reduced
Cinctive Capital Management LP149,798$1.99M0.08%+149,798New
Royal Bank of Canada147,137$1.96M0.00%+38,684+35.7%Added
Harvest Investment Services, LLC145,876$1.94M1.11%+145,876New
Nan Fung Group Holdings Ltd136,655$1.82M1.16%00.0%Unchanged
Citigroup Inc136,345$1.81M0.00%+118,613+668.9%Added
MetLife Investment Management131,795$1.75M0.01%+1,753+1.3%Added
Wells Fargo & Company126,499$1.68M0.00%+54,621+76.0%Added
American International Group, Inc.121,332$1.61M0.01%+1,786+1.5%Added
Jump Financial, LLC120,621$1.60M0.06%−22,890−15.9%Reduced
Nordea Investment Management AB108,464$1.50M0.00%−26,952−19.9%Reduced
Janus Henderson Group PLC111,261$1.48M0.00%+10,383+10.3%Added
Green Alpha Advisors, LLC111,111$1.48M0.97%+6,216+5.9%Added