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 |
|---|---|---|---|---|---|
| Xponance, Inc. | 24,777 | $32.7K | 0.00% | +3,310+15.4% | Added |
| Private Wealth Partners, LLC | 25,000 | $33.0K | 0.00% | 00.0% | Unchanged |
| Jump Financial, LLC | 25,492 | $33.6K | 0.00% | −8,254−24.5% | Reduced |
| Great West Life Assurance Co | 25,662 | $34.0K | 0.00% | +5,382+26.5% | Added |
| JustInvest LLC | 26,106 | $34.5K | 0.00% | −7,774−22.9% | Reduced |
| Sandbox Financial Partners, LLC | 27,517 | $36.3K | 0.01% | 00.0% | Unchanged |
| Axxcess Wealth Management, LLC | 28,603 | $37.8K | 0.00% | 00.0% | Unchanged |
| Venture Visionary Partners LLC | 30,300 | $40.0K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 30,843 | $40.7K | 0.00% | −341−1.1% | Reduced |
| Neuberger Berman Group LLC | 30,941 | $40.8K | 0.00% | +9,506+44.3% | Added |
| SG Americas Securities, LLC | 32,061 | $42.0K | 0.00% | −68,690−68.2% | Reduced |
| Citigroup Inc | 33,099 | $43.7K | 0.00% | +2,899+9.6% | Added |
| Mercer Global Advisors Inc | 34,673 | $45.8K | 0.00% | +14,010+67.8% | Added |
| IFP Advisors, Inc | 34,706 | $45.8K | 0.00% | −18,081−34.3% | Reduced |
| Kestra Advisory Services, LLC | 34,798 | $45.9K | 0.00% | −60−0.2% | Reduced |
| DRW Securities, LLC | 35,565 | $46.9K | 0.00% | +35,565 | New |
| Sanctuary Advisors, LLC | 36,826 | $48.6K | 0.00% | +1,946+5.6% | Added |
| FMR LLC | 36,983 | $48.8K | 0.00% | +7,128+23.9% | Added |
| Scientech Research LLC | 38,450 | $50.8K | 0.04% | −214,437−84.8% | Reduced |
| Wealthfront Advisers LLC | 39,446 | $52.1K | 0.00% | +1,405+3.7% | Added |
| Advisor Group Holdings, Inc. | 40,291 | $53.2K | 0.00% | +15,216+60.7% | Added |
| Graham Capital Management, L.P. | 42,179 | $55.7K | 0.00% | −146,306−77.6% | Reduced |
| Prudential Financial Inc | 43,487 | $57.4K | 0.00% | +20,750+91.3% | Added |
| Clear Harbor Asset Management, LLC | 44,130 | $58.3K | 0.00% | −14,580−24.8% | Reduced |
| Captrust Financial Advisors | 44,320 | $58.5K | 0.00% | +1,361+3.2% | Added |
| Wealth Enhancement Advisory Services, LLC | 43,661 | $58.5K | 0.00% | +24,324+125.8% | Added |
| Steel Peak Wealth Management LLC | 47,872 | $63.2K | 0.00% | −33,550−41.2% | Reduced |
| Wealth Architects, LLC | 48,725 | $64.3K | 0.01% | 00.0% | Unchanged |
| Kestra Private Wealth Services, LLC | 49,600 | $65.5K | 0.00% | −1,600−3.1% | Reduced |
| Evolution Wealth Advisors, LLC | 50,000 | $66.0K | 0.01% | 00.0% | Unchanged |
| Voya Investment Management LLC | 50,142 | $66.2K | 0.00% | −1,406−2.7% | Reduced |
| Tower Research Capital LLC (TRC) | 50,517 | $66.7K | 0.00% | +42,585+536.9% | Added |
| Abacus Planning Group, Inc. | 51,238 | $67.6K | 0.01% | −48,762−48.8% | Reduced |
| Cetera Investment Advisers | 51,359 | $67.8K | 0.00% | +2,416+4.9% | Added |
| Engineers Gate Manager LP | 52,289 | $69.0K | 0.00% | +30,818+143.5% | Added |
| ProShare Advisors LLC | 53,535 | $70.7K | 0.00% | −10,264−16.1% | Reduced |
| China Universal Asset Management Co., Ltd. | 53,592 | $70.7K | 0.01% | +4,396+8.9% | Added |
| CWM, LLC | 53,794 | $71.0K | 0.00% | +47,591+767.2% | Added |
| State of Wyoming | 55,529 | $73.3K | 0.01% | +48,255+663.4% | Added |
| BNP Paribas Arbitrage, SA | 65,398 | $86.3K | 0.00% | −657−1.0% | Reduced |
| TCG Advisory Services, LLC | 67,000 | $88.4K | 0.00% | +5,100+8.2% | Added |
| Hartline Investment Corp | 69,000 | $91.1K | 0.01% | +38,000+122.6% | Added |
| Stifel Financial Corp | 70,026 | $92.4K | 0.00% | −834−1.2% | Reduced |
| State Board of Administration of Florida Retirement System | 71,941 | $95.0K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 74,844 | $98.8K | 0.00% | −7,683−9.3% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 79,955 | $105.5K | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 81,300 | $107.3K | 0.00% | +81,300 | New |
| New York State Common Retirement Fund | 84,825 | $112.0K | 0.00% | 00.0% | Unchanged |
| Kavar Capital Partners Group, LLC | 93,319 | $123.2K | 0.02% | +93,319 | New |
| Gabelli Funds LLC | 100,000 | $132.0K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 101,371 | $133.8K | 0.00% | −22,565−18.2% | Reduced |
| Canada Pension Plan Investment Board | 107,800 | $142.3K | 0.00% | +107,800 | New |
| Simplex Trading, LLC | 109,016 | $143.9K | 0.00% | +109,016 | New |
| Quadrature Capital Ltd | 112,503 | $148.5K | 0.00% | −93,907−45.5% | Reduced |
| Ieq Capital, LLC | 112,698 | $148.8K | 0.00% | +112,698 | New |
| Benjamin Edwards Inc | 115,549 | $152.4K | 0.00% | −6,377−5.2% | Reduced |
| Koa Wealth Management, LLC | 120,000 | $158.4K | 0.11% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 121,781 | $160.8K | 0.00% | +121,781 | New |
| MetLife Investment Management | 127,090 | $167.8K | 0.00% | +10,902+9.4% | Added |
| Wells Fargo & Company | 131,214 | $173.2K | 0.00% | −182,800−58.2% | Reduced |
| JPMorgan Chase & Co | 138,504 | $174.5K | 0.00% | −318,404−69.7% | Reduced |
| Farallon Capital Management, L.L.C. | 135,000 | $178.2K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 137,332 | $181.0K | 0.01% | −167,845−55.0% | Reduced |
| AdvisorNet Financial, Inc | 142,057 | $187.5K | 0.01% | +8,290+6.2% | Added |
| Envestnet Asset Management Inc | 148,961 | $196.6K | 0.00% | +44,340+42.4% | Added |
| Main Street Research LLC | 152,100 | $200.8K | 0.01% | +152,100 | New |
| Raymond James Financial Inc | 164,558 | $217.2K | 0.00% | −18,720−10.2% | Reduced |
| SEI Investments Co | 166,823 | $220.2K | 0.00% | +166,823 | New |
| Green Alpha Advisors, LLC | 182,618 | $241.1K | 0.24% | −848−0.5% | Reduced |
| Price T Rowe Associates Inc | 188,043 | $249.0K | 0.00% | +24,516+15.0% | Added |
| Barclays PLC | 222,347 | $293.5K | 0.00% | −249,761−52.9% | Reduced |
| Jennison Associates LLC | 229,794 | $303.3K | 0.00% | +229,794 | New |
| XTX Topco Ltd | 244,764 | $323.1K | 0.01% | −383,458−61.0% | Reduced |
| Deutsche Bank AG | 244,769 | $323.1K | 0.00% | +25,788+11.8% | Added |
| HSBC Holdings PLC | 248,477 | $326.8K | 0.00% | +195,769+371.4% | Added |
| Balyasny Asset Management LLC | 260,538 | $343.9K | 0.00% | +260,538 | New |
| Water Island Capital LLC | 272,040 | $359.1K | 0.05% | +272,040 | New |
| Himension Fund | 276,532 | $365.0K | 0.03% | +276,532 | New |
| Point72 Asset Management, L.P. | 285,700 | $377.1K | 0.00% | −2,671,700−90.3% | Reduced |
| LPL Financial LLC | 299,597 | $395.5K | 0.00% | +25,350+9.2% | Added |
| Creative Planning | 327,360 | $432.1K | 0.00% | −192,366−37.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 336,257 | $443.9K | 0.00% | +11,118+3.4% | Added |
| Rhumbline Advisers | 348,942 | $460.6K | 0.00% | −12,021−3.3% | Reduced |
| Caxton Associates LLP | 353,130 | $466.1K | 0.01% | −288,594−45.0% | Reduced |
| Group One Trading, L.P. | 365,021 | $481.8K | 0.02% | −95,229−20.7% | Reduced |
| Acadian Asset Management LLC | 418,791 | $549.0K | 0.00% | −22,459−5.1% | Reduced |
| ArrowMark Colorado Holdings LLC | 468,382 | $618.3K | 0.02% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 469,875 | $620.2K | 0.00% | +445,975+1,866.0% | Added |
| Panagora Asset Management Inc | 502,663 | $663.5K | 0.00% | +502,663 | New |
| Alliancebernstein L.P. | 387,060 | $723.8K | 0.00% | 00.0% | Unchanged |
| Vestmark Advisory Solutions, Inc. | 550,089 | $726.1K | 0.01% | −2550.0% | Reduced |
| Carret Asset Management, LLC | 559,140 | $738.1K | 0.07% | +89,140+19.0% | Added |
| PEAK6 LLC | 599,022 | $790.7K | 0.02% | +599,022 | New |
| Mirador Capital Partners LP | 604,884 | $798.4K | 0.11% | +13,879+2.3% | Added |
| Tudor Investment Corp Et Al | 684,707 | $903.8K | 0.00% | +684,707 | New |
| Casdin Capital, LLC | 723,767 | $955.4K | 0.07% | −3,500,000−82.9% | Reduced |
| AQR Capital Management LLC | 759,492 | $1.00M | 0.00% | +672,528+773.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 808,700 | $1.07M | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 813,406 | $1.07M | 0.00% | −21,167−2.5% | Reduced |
| Dimensional Fund Advisors LP | 899,550 | $1.19M | 0.00% | +575,801+177.9% | Added |