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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 2025

Institutional positions in Pacific Biosciences of California, Inc. as of Dec 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
216
+12 vs. Q3 2025
Shares held
200.7M
+18.9M (+10.4%) vs. Q3 2025
Total value
$373.5M
+$141.3M (+60.8%) vs. Q3 2025
New holders
43
69 more added
Sold out
31
50 more reduced

4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 216 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 2025: $373.5M
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 2025

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q3 2025.

Institutions holding PACB in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
ARK Investment Management LLCSuperinvestorARK Invest37,264,228$69.7M0.46%+6,340,125+20.5%Added
BlackRock, Inc.23,344,970$43.7M0.00%+649,218+2.9%Added
Softbank Group Corp20,451,570$38.2M0.25%00.0%Unchanged
Vanguard Group Inc17,037,314$31.9M0.00%+657,342+4.0%Added
Sumitomo Mitsui Trust Holdings, Inc.7,808,580$14.6M0.01%−868,978−10.0%Reduced
Nikko Asset Management Americas, Inc.7,808,580$14.6M0.17%−868,978−10.0%Reduced
Geode Capital Management, LLC7,078,744$13.2M0.00%+172,089+2.5%Added
State Street Corp5,912,223$11.1M0.00%+2,5790.0%Added
D. E. Shaw & Co., Inc.4,438,273$8.30M0.01%+4,438,273New
Millennium Management LLC4,344,569$8.12M0.01%−572,226−11.6%Reduced
Casdin Capital, LLC4,223,767$7.90M0.49%+3,500,000+483.6%Added
Renaissance Technologies LLC3,850,600$7.20M0.01%+3,850,600New
UBS Group AG3,171,546$5.93M0.00%+1,674,320+111.8%Added
Citadel Advisors LLC3,166,241$5.92M0.00%+667,887+26.7%Added
Point72 Asset Management, L.P.2,957,400$5.53M0.01%+2,957,400New
Two Sigma Investments, LP2,877,184$5.38M0.01%+2,475,418+616.1%Added
Susquehanna International Group, LLP2,611,543$4.88M0.01%+1,236,284+89.9%Added
Koss-Olinger Consulting, LLC2,600,000$4.86M0.38%−700,000−21.2%Reduced
Charles Schwab Investment Management Inc2,465,853$4.61M0.00%+38,499+1.6%Added
Morgan Stanley2,410,540$4.51M0.00%+1,959,325+434.2%Added
Northern Trust Corp2,046,839$3.83M0.00%−242,057−10.6%Reduced
Davy Global Fund Management Ltd1,894,931$3.54M0.24%+606,239+47.0%Added
Bank of America Corp1,854,814$3.47M0.00%+382,124+25.9%Added
Amiral Gestion2,733,290$3.21M1.18%00.0%Unchanged
Jane Street Group, LLC1,500,518$2.81M0.00%+1,263,495+533.1%Added
Invesco Ltd.1,433,011$2.68M0.00%+326,238+29.5%Added
Goldman Sachs Group Inc1,378,872$2.58M0.00%+869,445+170.7%Added
HRT Financial LP1,363,577$2.55M0.01%+1,363,577New
Bourne Lent Asset Management Inc967,055$1.81M0.60%00.0%Unchanged
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)918,892$1.72M0.06%00.0%Unchanged
Nuveen, LLC848,219$1.59M0.00%+578,035+213.9%Added
Bank of New York Mellon Corp834,573$1.56M0.00%+29,017+3.6%Added
Two Sigma Advisers, LP827,500$1.55M0.00%+827,500New
Universal- Beteiligungs- und Servicegesellschaft mbH808,700$1.40M0.00%00.0%Unchanged
Headlands Technologies LLC733,840$1.37M0.11%+733,840New
Caxton Associates LLP641,724$1.20M0.02%+641,724New
XTX Topco Ltd628,222$1.17M0.03%+615,907+5,001.3%Added
Mirador Capital Partners LP591,005$1.11M0.15%+9,612+1.7%Added
Vestmark Advisory Solutions, Inc.550,344$1.03M0.01%−51,179−8.5%Reduced
Creative Planning519,726$971.9K0.00%+200,876+63.0%Added
Birchview Capital, LP500,000$935.0K0.55%00.0%Unchanged
Barclays PLC472,108$882.8K0.00%+72,201+18.1%Added
Carret Asset Management, LLC470,000$878.9K0.08%+50,000+11.9%Added
ArrowMark Colorado Holdings LLC468,382$875.9K0.02%00.0%Unchanged
Group One Trading, L.P.460,250$860.7K0.03%+5,382+1.2%Added
JPMorgan Chase & Co456,908$854.4K0.00%−11,972−2.6%Reduced
Squarepoint Ops LLC448,558$838.8K0.00%−483,518−51.9%Reduced
Acadian Asset Management LLC441,250$822.0K0.00%+418,134+1,808.9%Added
Alliancebernstein L.P.387,060$723.8K0.00%00.0%Unchanged
Rhumbline Advisers360,963$675.0K0.00%−54,716−13.2%Reduced
Mirae Asset Global ETFs Holdings Ltd.325,139$608.0K0.00%−110.0%Reduced
Dimensional Fund Advisors LP323,749$603.5K0.00%−39,074−10.8%Reduced
Wells Fargo & Company314,014$587.2K0.00%+82,059+35.4%Added
Gsa Capital Partners LLP305,177$571.0K0.05%−104,193−25.5%Reduced
LPL Financial LLC274,247$512.8K0.00%+60,124+28.1%Added
Scientech Research LLC252,887$472.9K0.30%+252,887New
Deutsche Bank AG218,981$409.5K0.00%+10,107+4.8%Added
Quadrature Capital Ltd206,410$386.0K0.00%−145,945−41.4%Reduced
Graham Capital Management, L.P.188,485$352.5K0.01%+188,485New
Green Alpha Advisors, LLC183,466$343.1K0.31%+9,441+5.4%Added
Raymond James Financial Inc183,278$342.7K0.00%+21,413+13.2%Added
Price T Rowe Associates Inc163,527$306.0K0.00%+17,663+12.1%Added
DekaBank Deutsche Girozentrale73,300$296.0K0.00%00.0%Unchanged
Polen Capital Management LLC137,149$256.5K0.00%+137,149New
Farallon Capital Management, L.L.C.135,000$252.4K0.00%00.0%Unchanged
AdvisorNet Financial, Inc133,767$250.1K0.01%+7,950+6.3%Added
Bank of Montreal126,923$237.3K0.00%+18,353+16.9%Added
Intech Investment Management LLC123,936$231.8K0.00%−8,432−6.4%Reduced
Benjamin Edwards Inc121,926$227.9K0.00%−11,951−8.9%Reduced
Koa Wealth Management, LLC120,000$224.4K0.15%00.0%Unchanged
MetLife Investment Management116,188$217.3K0.00%−20,728−15.1%Reduced
Abacus Wealth Partners, LLC113,889$213.0K0.02%+113,889New
Envestnet Asset Management Inc104,621$195.6K0.00%−36,347−25.8%Reduced
SG Americas Securities, LLC100,751$188.0K0.00%+30,078+42.6%Added
Gabelli Funds LLC100,000$187.0K0.00%00.0%Unchanged
Abacus Planning Group, Inc.100,000$187.0K0.02%00.0%Unchanged
American Century Companies Inc94,063$175.9K0.00%+94,063New
AQR Capital Management LLC86,964$162.6K0.00%+35,629+69.4%Added
New York State Common Retirement Fund84,825$158.6K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The82,527$154.3K0.00%−11,315−12.1%Reduced
Steel Peak Wealth Management LLC81,422$152.3K0.01%+51,492+172.0%Added
Police & Firemen's Retirement System of New Jersey79,955$149.5K0.00%−1,193−1.5%Reduced
State Board of Administration of Florida Retirement System71,941$134.5K0.00%00.0%Unchanged
Stifel Financial Corp70,860$132.5K0.00%+16,151+29.5%Added
BNP Paribas Arbitrage, SA66,055$123.5K0.00%+7,729+13.3%Added
ProShare Advisors LLC63,799$119.3K0.00%+5,883+10.2%Added
TCG Advisory Services, LLC61,900$115.8K0.00%00.0%Unchanged
Clear Harbor Asset Management, LLC58,710$109.8K0.01%−66,584−53.1%Reduced
IFP Advisors, Inc52,787$98.7K0.00%−42,825−44.8%Reduced
HSBC Holdings PLC52,708$97.8K0.00%+52,708New
Voya Investment Management LLC51,548$96.4K0.00%00.0%Unchanged
Kestra Private Wealth Services, LLC51,200$95.7K0.00%+1,300+2.6%Added
Evolution Wealth Advisors, LLC50,000$93.5K0.01%00.0%Unchanged
China Universal Asset Management Co., Ltd.49,196$92.0K0.01%−3,454−6.6%Reduced
Cetera Investment Advisers48,943$91.5K0.00%−101,238−67.4%Reduced
Wealth Architects, LLC48,725$91.1K0.01%00.0%Unchanged
Captrust Financial Advisors42,959$80.3K0.00%+42,959New
Mariner, LLC40,004$74.8K0.00%+28,608+251.0%Added
Wealthfront Advisers LLC38,041$71.1K0.00%−52,164−57.8%Reduced
Polymer Capital Management (US) LLC37,558$70.2K0.01%+37,558New