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 2026
Institutional positions in Pacific Biosciences of California, Inc. as of Jun 30, 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
- 223
- −5 vs. Q1 2026
- Shares held
- 191.1M
- +2.97M (+1.6%) vs. Q1 2026
- Total value
- $320.8M
- +$72.4M (+29.1%) vs. Q1 2026
- New holders
- 24
- 70 more added
- Sold out
- 29
- 77 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of America Corp | 1,348,131 | $2.26M | 0.00% | −318,575−19.1% | Reduced |
| Birchview Capital, LP | 1,350,000 | $2.27M | 1.06% | −150,000−10.0% | Reduced |
| Davy Global Fund Management Ltd | 1,694,546 | $2.85M | 0.18% | −93,847−5.2% | Reduced |
| Longaeva Partners L.P. | 2,118,231 | $3.56M | 0.10% | +2,118,231 | New |
| Susquehanna International Group, LLP | 2,129,263 | $3.58M | 0.00% | +410,098+23.9% | Added |
| Vanguard Fiduciary Trust Co | 2,187,627 | $3.68M | 0.00% | +201,144+10.1% | Added |
| Northern Trust Corp | 2,352,786 | $3.95M | 0.00% | +221,998+10.4% | Added |
| Charles Schwab Investment Management Inc | 2,652,298 | $4.46M | 0.00% | +246,802+10.3% | Added |
| Vanguard Portfolio Management LLC | 2,671,916 | $4.49M | 0.00% | −196,477−6.8% | Reduced |
| Citadel Advisors LLC | 2,845,903 | $4.78M | 0.00% | +1,269,852+80.6% | Added |
| Goldman Sachs Group Inc | 3,229,887 | $5.43M | 0.00% | +2,241,420+226.8% | Added |
| Millennium Management LLC | 3,962,442 | $6.66M | 0.00% | −929,876−19.0% | Reduced |
| D. E. Shaw & Co., Inc. | 4,208,146 | $7.07M | 0.00% | +570,599+15.7% | Added |
| Two Sigma Investments, LP | 4,242,599 | $7.13M | 0.01% | +732,986+20.9% | Added |
| Point72 Asset Management, L.P. | 4,787,300 | $8.04M | 0.01% | +4,501,600+1,575.6% | Added |
| State Street Corp | 5,961,175 | $10.0M | 0.00% | −160,541−2.6% | Reduced |
| Nikko Asset Management Americas, Inc. | 6,009,715 | $10.0M | 0.13% | −1,028,272−14.6% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 6,009,715 | $10.1M | 0.01% | −1,028,272−14.6% | Reduced |
| Geode Capital Management, LLC | 7,606,518 | $12.8M | 0.00% | +631,252+9.0% | Added |
| Vanguard Capital Management LLC | 13,397,934 | $22.5M | 0.00% | +620,485+4.9% | Added |
| Softbank Group Corp | 20,451,570 | $34.4M | 0.19% | 00.0% | Unchanged |
| ARK Investment Management LLCSuperinvestorARK Invest | 29,781,416 | $50.0M | 0.32% | −6,491,872−17.9% | Reduced |
| BlackRock, Inc. | 32,339,550 | $54.3M | 0.00% | +7,072,121+28.0% | Added |
| HRT Financial LP | 0 | $0 | 0.00% | −1,265,535−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −502,663−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −353,130−100.0% | Sold out |
| Himension Fund | 0 | $0 | 0.00% | −276,532−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −229,794−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −137,332−100.0% | Sold out |
| Kestra Private Wealth Services, LLC | 0 | $0 | 0.00% | −49,600−100.0% | Sold out |
| Steel Peak Wealth Management LLC | 0 | $0 | 0.00% | −47,872−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −42,179−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −35,565−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −25,492−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −24,622−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −22,602−100.0% | Sold out |
| Interchange Capital Partners, LLC | 0 | $0 | 0.00% | −21,400−100.0% | Sold out |
| Pallas Capital Advisors LLC | 0 | $0 | 0.00% | −18,811−100.0% | Sold out |
| Abacus Wealth Partners, LLC | 0 | $0 | 0.00% | −18,407−100.0% | Sold out |
| Polymer Capital Management (US) LLC | 0 | $0 | 0.00% | −15,300−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −14,300−100.0% | Sold out |
| Chicago Partners Investment Group LLC | 0 | $0 | 0.00% | −10,447−100.0% | Sold out |
| CIBC World Markets Inc. | 0 | $0 | 0.00% | −11,400−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −11,287−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −10,974−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −10,806−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −644−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −226−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −185−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −158−100.0% | Sold out |
| Vanguard National Trust Co | 0 | $0 | 0.00% | −53−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |
| Sandbox Financial Partners, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |