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 2026
Institutional positions in Pacific Biosciences of California, Inc. as of Mar 31, 2026. 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
- 231
- +21 vs. Q4 2025
- Shares held
- 188.2M
- +4.50M (+2.5%) vs. Q4 2025
- Total value
- $248.5M
- −$93.1M (−27.2%) vs. Q4 2025
- New holders
- 52
- 60 more added
- Sold out
- 31
- 71 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 223 | $320.8M |
| Q1 2026 | 231 | $248.5M |
| Q4 2025 | 216 | $373.5M |
| Q3 2025 | 208 | $237.8M |
| Q2 2025 | 207 | $245.8M |
| Q1 2025 | 225 | $265.6M |
| Q4 2024 | 227 | $475.1M |
| Q3 2024 | 226 | $394.3M |
| Q2 2024 | 229 | $331.9M |
| Q1 2024 | 268 | $1.01B |
| Q4 2023 | 274 | $2.76B |
| Q3 2023 | 275 | $2.20B |
| Q2 2023 | 272 | $3.37B |
| Q1 2023 | 260 | $2.93B |
| Q4 2022 | 237 | $1.84B |
| Q3 2022 | 227 | $1.23B |
| Q2 2022 | 230 | $1.03B |
| Q1 2022 | 250 | $2.03B |
| Q4 2021 | 256 | $4.20B |
| Q3 2021 | 246 | $4.83B |
| Q2 2021 | 261 | $6.04B |
| Q1 2021 | 263 | $5.47B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 918,892 | $1.21M | 0.07% | 00.0% | Unchanged |
| Bourne Lent Asset Management Inc | 951,055 | $1.26M | 0.46% | −16,000−1.7% | Reduced |
| Goldman Sachs Group Inc | 988,467 | $1.30M | 0.00% | −390,405−28.3% | Reduced |
| Qube Research & Technologies Ltd | 1,184,975 | $1.56M | 0.00% | +1,184,975 | New |
| HRT Financial LP | 1,265,535 | $1.67M | 0.00% | −98,042−7.2% | Reduced |
| Jane Street Group, LLC | 1,390,070 | $1.83M | 0.00% | −110,448−7.4% | Reduced |
| Invesco Ltd. | 1,468,148 | $1.94M | 0.00% | +35,137+2.5% | Added |
| Birchview Capital, LP | 1,500,000 | $1.98M | 1.13% | +1,000,000+200.0% | Added |
| Citadel Advisors LLC | 1,576,051 | $2.08M | 0.00% | −1,590,190−50.2% | Reduced |
| UBS Group AG | 1,640,099 | $2.16M | 0.00% | −1,531,447−48.3% | Reduced |
| Bank of America Corp | 1,666,706 | $2.20M | 0.00% | −188,108−10.1% | Reduced |
| Susquehanna International Group, LLP | 1,719,165 | $2.27M | 0.00% | −892,378−34.2% | Reduced |
| Davy Global Fund Management Ltd | 1,788,393 | $2.36M | 0.18% | −106,538−5.6% | Reduced |
| Morgan Stanley | 1,840,461 | $2.43M | 0.00% | −570,079−23.6% | Reduced |
| Vanguard Fiduciary Trust Co | 1,986,483 | $2.62M | 0.00% | +1,986,483 | New |
| Northern Trust Corp | 2,130,788 | $2.81M | 0.00% | +83,949+4.1% | Added |
| Charles Schwab Investment Management Inc | 2,405,496 | $3.18M | 0.00% | −60,357−2.4% | Reduced |
| Renaissance Technologies LLC | 2,489,100 | $3.29M | 0.01% | −1,361,500−35.4% | Reduced |
| Vanguard Portfolio Management LLC | 2,868,393 | $3.79M | 0.00% | +2,868,393 | New |
| Nuveen, LLC | 2,950,929 | $3.90M | 0.00% | +2,102,710+247.9% | Added |
| Two Sigma Investments, LP | 3,509,613 | $4.63M | 0.00% | +632,429+22.0% | Added |
| D. E. Shaw & Co., Inc. | 3,637,547 | $4.80M | 0.00% | −800,726−18.0% | Reduced |
| Millennium Management LLC | 4,892,318 | $6.46M | 0.00% | +547,749+12.6% | Added |
| State Street Corp | 6,121,716 | $8.08M | 0.00% | +209,493+3.5% | Added |
| Geode Capital Management, LLC | 6,975,266 | $9.21M | 0.00% | −103,478−1.5% | Reduced |
| Nikko Asset Management Americas, Inc. | 7,037,987 | $9.22M | 0.13% | −770,593−9.9% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 7,037,987 | $9.29M | 0.01% | −770,593−9.9% | Reduced |
| Vanguard Capital Management LLC | 12,777,449 | $16.9M | 0.00% | +12,777,449 | New |
| Softbank Group Corp | 20,451,570 | $27.0M | 0.24% | 00.0% | Unchanged |
| BlackRock, Inc. | 25,267,429 | $33.4M | 0.00% | +1,922,459+8.2% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 36,273,288 | $47.9M | 0.37% | −990,940−2.7% | Reduced |
| Koss-Olinger Consulting, LLC | 0 | $0 | 0.00% | −2,600,000−100.0% | Sold out |
| Amiral Gestion | 0 | $0 | 0.00% | −2,733,290−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −827,500−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −733,840−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −448,558−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −73,300−100.0% | Sold out |
| Polen Capital Management LLC | 0 | $0 | 0.00% | −137,149−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −126,923−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −40,004−100.0% | Sold out |
| Western Wealth Management, LLC | 0 | $0 | 0.00% | −35,345−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −31,602−100.0% | Sold out |
| Ambassador Advisors, LLC | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Atria Investments LLC | 0 | $0 | 0.00% | −27,496−100.0% | Sold out |
| Gallagher Fiduciary Advisors, LLC | 0 | $0 | 0.00% | −23,486−100.0% | Sold out |
| Outlook Wealth Advisors, LLC | 0 | $0 | 0.00% | −18,000−100.0% | Sold out |
| Pinnacle Wealth Planning Services, Inc. | 0 | $0 | 0.00% | −17,849−100.0% | Sold out |
| Pathstone Holdings, LLC | 0 | $0 | 0.00% | −16,178−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −17,499−100.0% | Sold out |
| Tactive Advisors, LLC | 0 | $0 | 0.00% | −13,097−100.0% | Sold out |
| Cim Investment Mangement Inc | 0 | $0 | 0.00% | −12,301−100.0% | Sold out |
| Verdence Capital Advisors LLC | 0 | $0 | 0.00% | −10,415−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −8,675−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −3,590−100.0% | Sold out |
| BOK Financial Private Wealth, Inc. | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Novem Group | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −909−100.0% | Sold out |
| Fortitude Family Office, LLC | 0 | $0 | 0.00% | −793−100.0% | Sold out |
| T. Rowe Price Investment Management, Inc. | 0 | $0 | 0.00% | −217−100.0% | Sold out |
| Colonial Trust Advisors | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| United Financial Planning Group LLC | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −103−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| DV Equities, LLC | – | – | – | – | Not filed |