Pacific Biosciences of CalifPACB
13F holders, Q1 2025 (March 31)225holders −1
34new positions
35sold out
5famous investors
$1.18avg. 13F price*
At the end of Q1 2025, 225 institutions reported holding Pacific Biosciences of Calif (PACB) in their 13F filings, down 1 from Q4 2024. 34 opened new positions and 35 sold out. The largest holders were ARK Investment Management ($43.0M), BlackRock, Inc. ($27.7M) and Madrone Advisors, LLC ($27.6M). 5 famous investors held it, including Cathie Wood (0.4% of ARK Investment Management's portfolio), George Soros (0.0% of Soros Fund Management's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Pacific Biosciences of Calif
- CUSIP
- 69404D108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 34 | $2.7M |
| Exits | 35 | $7.9M |
All 13F filers, Q4 2024 → Q1 2025: 8,044,300 shares bought and 42,090,880 shares sold, net −34,046,580 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 225 holders
| ARK Investment Management | 0.43% | Add +1.2% | 36,478,441 | $43.0M |
| BlackRock, Inc. | 0.00% | Reduce -4.6% | 23,455,252 | $27.7M |
| Madrone Advisors, LLC | 4.62% | No change | 23,391,915 | $27.6M |
| Edmond DE Rothschild Holding S.A. | 0.46% | Add +2.4% | 21,855,180 | $25.8M |
| Softbank Group Corp. | 0.08% | No change | 20,451,570 | $24.1M |
| Vanguard Group Inc. | 0.00% | Add +6.8% | 16,263,464 | $19.2M |
| Sumitomo Mitsui Trust Group, Inc. | 0.01% | Reduce -6.0% | 9,565,331 | $11.3M |
| Amova Asset Management Americas, Inc. | 0.14% | Reduce -6.0% | 9,565,331 | $11.2M |
| State Street Corp. | 0.00% | Reduce -0.7% | 6,379,592 | $7.5M |
| Geode Capital Management, LLC | 0.00% | Add +0.9% | 6,317,242 | $7.5M |
| T. Rowe Price Investment Management, Inc. | 0.00% | Reduce -0.2% | 4,888,612 | $5.8M |
| Morgan Stanley | 0.00% | Reduce -40.3% | 3,371,732 | $4.0M |
| Jackson Square Partners, LLC | 0.53% | Reduce -35.0% | 3,320,361 | $3.9M |
| Koss-Olinger Consulting, LLC | 0.30% | Add +50.0% | 3,000,000 | $3.5M |
| Northern Trust Corp. | 0.00% | Reduce -3.2% | 2,434,689 | $2.9M |
| UBS Group AG | 0.00% | Add +53.7% | 2,284,278 | $2.7M |
| Millennium Management | 0.00% | Reduce -87.1% | 2,204,044 | $2.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -2.5% | 2,121,524 | $2.5M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -61.1% | 1,864,483 | $2.2M |
| Senvest Management, LLC | 0.05% | No change | 1,093,954 | $1.3M |
| Soros Fund Management | 0.03% | Reduce -57.9% | 1,000,000 | $1.2M |
| Bourne Lent Asset Management Inc. | 0.49% | Add +3.0% | 972,255 | $1.1M |
| HHLR Advisors, LTD. | 0.03% | No change | 918,892 | $1.1M |
| Bank of New York Mellon Corp | 0.00% | Reduce -83.4% | 863,639 | $1.0M |
| Nordea Investment Management AB | 0.00% | Add +71.0% | 884,642 | $1.0M |
| Bank of America Corp. | 0.00% | Reduce -61.3% | 857,055 | $1.0M |
| Casdin Capital, LLC | 0.07% | Reduce -30.1% | 723,767 | $854K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -2.0% | 689,526 | $814K |
| Vestmark Advisory Solutions, Inc. | 0.02% | Reduce -24.0% | 681,426 | $804K |
| Two Sigma Investments, LP | 0.00% | Reduce -51.3% | 542,200 | $640K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -3.7% | 531,321 | $627K |
| Invesco Ltd. | 0.00% | Add +100.6% | 524,643 | $619K |
| JPMorgan Chase & Co. | 0.00% | Add +1.3% | 521,334 | $615K |
| Mirador Capital Partners LP | 0.11% | Add +127.6% | 515,734 | $609K |
| Toronto Dominion Bank | 0.00% | Reduce -41.2% | 500,100 | $590K |
| XTX Topco Ltd | 0.03% | New | 488,237 | $576K |
| Swiss National Bank | 0.00% | No change | 475,246 | $561K |
| ArrowMark Colorado Holdings LLC | 0.01% | No change | 468,382 | $553K |
| Federated Hermes, Inc. | 0.00% | Add +3.8% | 465,258 | $549K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -10.0% | 446,988 | $527K |
| Rhumbline Advisers | 0.00% | Add +4.8% | 438,775 | $518K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | New | 408,700 | $482K |
| Barclays PLC | 0.00% | Reduce -76.8% | 385,027 | $454K |
| National Bank of Canada | 0.00% | New | 371,600 | $438K |
| Susquehanna International Group, LLP | 0.00% | Reduce -60.0% | 348,013 | $411K |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.04% | Add +94.6% | 318,170 | $375K |
| Jane Street Group, LLC | 0.00% | Reduce -26.1% | 314,631 | $371K |
| Citigroup Inc. | 0.00% | Add +18.7% | 282,241 | $333K |
| Algert Global LLC | 0.01% | No change | 273,557 | $323K |
| Nuveen, LLC | 0.00% | — | 270,184 | $319K |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -85.3% | 260,841 | $308K |
| Deutsche Bank AG | 0.00% | Add +1.7% | 254,147 | $300K |
| Legal & General Group Plc | 0.00% | No change | 234,635 | $277K |
| California State Teachers Retirement System | 0.00% | No change | 231,265 | $273K |
| Alliancebernstein L.P. | 0.00% | Add +13.0% | 227,660 | $269K |
| Green Alpha Advisors, LLC | 0.27% | Add +111.7% | 216,794 | $256K |
| Franklin Resources Inc. | 0.00% | Add +0.1% | 214,291 | $253K |
| Gsa Capital Partners LLP | 0.02% | New | 208,776 | $246K |
| IFP Advisors, Inc | 0.01% | Reduce -3.6% | 194,280 | $229K |
| Intech Investment Management LLC | 0.00% | Add +38.5% | 187,186 | $221K |
| LPL Financial LLC | 0.00% | Reduce -0.8% | 183,803 | $217K |
| Wells Fargo & Company | 0.00% | Add +4.8% | 170,988 | $202K |
| Envestnet Asset Management Inc. | 0.00% | Add +16.7% | 163,482 | $193K |
| Benjamin Edwards Inc. | 0.00% | Reduce -3.4% | 159,802 | $189K |
| State of Wisconsin Investment Board | 0.00% | Reduce -1.6% | 159,645 | $188K |
| MetLife Investment Management, LLC | 0.00% | Reduce -1.3% | 143,431 | $169K |
| HRT Financial LP | 0.00% | New | 143,843 | $169K |
| Susquehanna Fundamental Investments, LLC | 0.00% | Reduce -29.1% | 136,683 | $161K |
| Farallon Capital Management, L.L.C. | 0.00% | No change | 135,000 | $159K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.5% | 134,010 | $158K |
| Raymond James Financial Inc. | 0.00% | Reduce -5.8% | 130,106 | $154K |
| Clear Harbor Asset Management, LLC | 0.01% | Add +8.2% | 123,184 | $145K |
| Koa Wealth Management, LLC | 0.11% | No change | 120,000 | $142K |
| Janus Henderson Group PLC | 0.00% | No change | 109,941 | $125K |
| Bank of Montreal | 0.00% | New | 105,565 | $125K |
| Two Sigma Advisers, LP | 0.00% | Reduce -39.0% | 102,500 | $121K |
| Abacus Planning Group, Inc. | 0.02% | No change | 100,000 | $118K |
| NJ State Employees Deferred Compensation Plan | 0.02% | No change | 100,000 | $118K |
| Gabelli Funds LLC | 0.00% | No change | 100,000 | $118K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -66.5% | 98,116 | $116K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +996.2% | 96,457 | $114K |
| Cetera Investment Advisers | 0.00% | Add +235.7% | 95,108 | $112K |
| SIH Partners, LLLP | 0.01% | New | 91,128 | $108K |
| Wealthfront Advisers LLC | 0.00% | Add +137.3% | 89,576 | $106K |
| Avanza Fonder AB | 0.00% | Add +5.7% | 80,727 | $103K |
| HSBC Holdings PLC | 0.00% | Reduce -0.2% | 86,601 | $100K |
| New York State Common Retirement Fund | 0.00% | Add +0.1% | 84,825 | $100K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +8.2% | 84,329 | $100K |
| Squarepoint Ops LLC | 0.00% | Add +681.9% | 79,578 | $94K |
| AdvisorNet Financial, Inc | 0.01% | Add +18.4% | 76,664 | $90K |
| Voya Investment Management LLC | 0.00% | Reduce -5.9% | 76,578 | $90K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -0.1% | 76,362 | $90K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 71,941 | $85K |
| ProShare Advisors LLC | 0.00% | Reduce -20.5% | 71,572 | $84K |
| Arizona State Retirement System | 0.00% | Add +0.5% | 71,506 | $84K |
| Marex Group Ltd | 0.00% | New | 70,804 | $84K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 73,300 | $79K |
| Cibc World Markets Corp. | 0.00% | Add +137.1% | 60,697 | $72K |
| Stifel Financial Corp. | 0.00% | Reduce -11.8% | 59,532 | $70K |
| Cibc World Market Inc. | 0.00% | New | 58,100 | $69K |
"% of holder's portfolio" is PACB's weight in each manager's 13F, not the share of Pacific Biosciences of Calif the manager owns.