Pacific Biosciences of California, Inc. 13F holders
223 funds reported a position in Pacific Biosciences of California, Inc. in their 13F for the quarter ended 30 June 2026, together 191.1 million shares worth $320.8 million. Against the quarter before, 22 opened a position, 70 added, 76 trimmed and 29 sold out; together they bought a net 3.0 million shares. The largest holders: BlackRock, Inc., ARK Investment Management LLC and Softbank Group Corp.
Funds holding223-8 on Q1 2026
Shares they held191.1Mworth $320.8 million
Net bought on the quarter3.0M sharesabout $5.0 million at the funds' values
Funds buying to selling92 to 105opened or added, to cut or sold
Opened 22Added 70Held 53Trimmed 76Sold out 29
What each fund did in PACB against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in PACB in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,241 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 32 reported a position in Pacific Biosciences of California, Inc.: 4 opened one, 8 added, 9 trimmed and 11 sold out, a net 1.3 million shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 9 reported a position in Pacific Biosciences of California, Inc. in a 13F for the quarter ended 30 June 2026. The largest: ARK Investment Management, 29.8 million shares worth $50.0 million, 0.3% of its reported book. New this quarter: Bridgewater Associates. In the quarter, 5 funds added or opened a position and 4 trimmed or sold out; together they sold a net 1.7 million shares, about $2.9 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| ARK Investment Management | 29,781,416 | $50.0 million | 0.3% | -6,491,872 | trimmed | 30 June 2026 | 13F |
| Geode Capital Management | 7,606,518 | $12.8 million | 0.0% | +631,252 | added | 30 June 2026 | 13F |
| Point72 Asset Management | 4,787,300 | $8.0 million | 0.0% | +4,501,600 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 4,242,599 | $7.1 million | 0.0% | +732,986 | added | 30 June 2026 | 13F |
| Millennium Management | 3,962,442 | $6.7 million | 0.0% | -929,876 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 2,845,903 | $4.8 million | 0.0% | +1,269,852 | added | 30 June 2026 | 13F |
| Renaissance Technologies | 966,200 | $1.6 million | 0.0% | -1,522,900 | trimmed | 30 June 2026 | 13F |
| Bridgewater Associates | 102,761 | $172,638 | 0.0% | +102,761 | new | 30 June 2026 | 13F |
| FMR LLC | 25,342 | $42,575 | 0.0% | -11,641 | trimmed | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 32,339,550 | 16.92% | $54.3 million | 0.00% | +7,072,121 | 13F |
| ARK Investment Management LLC | 29,781,416 | 15.59% | $50.0 million | 0.33% | -6,491,872 | 13F |
| Softbank Group Corp. | 20,451,570 | 10.70% | $34.4 million | 0.19% | no change | 13F |
| Vanguard Capital Management LLC | 13,397,934 | 7.01% | $22.5 million | 0.00% | +620,485 | 13F |
| Geode Capital Management, LLC | 7,606,518 | 3.98% | $12.8 million | 0.00% | +631,252 | 13F |
| Sumitomo Mitsui Trust Group, Inc. | 6,009,715 | 3.15% | $10.1 million | 0.01% | -1,028,272 | 13F |
| Amova Asset Management Americas, Inc. | 6,009,715 | 3.15% | $10.0 million | 0.13% | -1,028,272 | 13F |
| State Street Corp. | 5,961,175 | 3.12% | $10.0 million | 0.00% | -160,541 | 13F |
| Point72 Asset Management, L.P. | 4,787,300 | 2.51% | $8.0 million | 0.01% | +4,501,600 | 13F |
| Two Sigma Investments, LP | 4,242,599 | 2.22% | $7.1 million | 0.01% | +732,986 | 13F |
| D. E. Shaw & Co., Inc. | 4,208,146 | 2.20% | $7.1 million | 0.01% | +570,599 | 13F |
| Millennium Management LLC | 3,962,442 | 2.07% | $6.7 million | 0.01% | -929,876 | 13F |
| Goldman Sachs Group Inc. | 3,229,887 | 1.69% | $5.4 million | 0.00% | +2,241,420 | 13F |
| Citadel Advisors LLC | 2,845,903 | 1.49% | $4.8 million | 0.00% | +1,269,852 | 13F |
| Vanguard Portfolio Management LLC | 2,671,916 | 1.40% | $4.5 million | 0.00% | -196,477 | 13F |
| Charles Schwab Investment Management Inc. | 2,652,298 | 1.39% | $4.5 million | 0.00% | +246,802 | 13F |
| Northern Trust Corp. | 2,352,786 | 1.23% | $4.0 million | 0.00% | +221,998 | 13F |
| Vanguard Fiduciary Trust Co. | 2,187,627 | 1.14% | $3.7 million | 0.00% | +201,144 | 13F |
| Susquehanna International Group, LLP | 2,129,263 | 1.11% | $3.6 million | 0.00% | +410,098 | 13F |
| Longaeva Partners L.P. | 2,118,231 | 1.11% | $3.6 million | 0.10% | new | 13F |
| IQ EQ FUND Management (Ireland) Ltd | 1,694,546 | 0.89% | $2.8 million | 0.18% | -93,847 | 13F |
| Birchview Capital, LP | 1,350,000 | 0.71% | $2.3 million | 1.06% | -150,000 | 13F |
| Bank of America Corp. | 1,348,131 | 0.71% | $2.3 million | 0.00% | -318,575 | 13F |
| Invesco Ltd. | 1,297,091 | 0.68% | $2.2 million | 0.00% | -171,057 | 13F |
| AQR Capital Management LLC | 1,296,684 | 0.68% | $2.2 million | 0.00% | +537,192 | 13F |
| Nuveen, LLC | 1,023,113 | 0.54% | $1.7 million | 0.00% | -1,927,816 | 13F |
| Renaissance Technologies LLC | 966,200 | 0.51% | $1.6 million | 0.00% | -1,522,900 | 13F |
| Bourne Lent Asset Management Inc. | 943,055 | 0.49% | $1.6 million | 0.55% | -8,000 | 13F |
| Hhlr Advisors, Ltd | 918,892 | 0.48% | $1.5 million | 0.19% | no change | 13F |
| UBS Group AG | 893,140 | 0.47% | $1.5 million | 0.00% | -746,959 | 13F |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 808,700 | 0.42% | $1.4 million | 0.00% | no change | 13F |
| Acadian Asset Management LLC | 793,332 | 0.42% | $1.3 million | 0.00% | +374,541 | 13F |
| Bank of New York Mellon Corp | 767,567 | 0.40% | $1.3 million | 0.00% | -45,839 | 13F |
| Dimensional Fund Advisors LP | 759,783 | 0.40% | $1.3 million | 0.00% | -139,767 | 13F |
| Casdin Capital, LLC | 723,767 | 0.38% | $1.2 million | 0.06% | no change | 13F |
| Tudor Investment Corp. Et Al | 684,707 | 0.36% | $1.2 million | 0.01% | no change | 13F |
| XTX Topco Ltd | 638,882 | 0.33% | $1.1 million | 0.01% | +394,118 | 13F |
| Numerai GP LLC | 621,469 | 0.33% | $1.0 million | 0.09% | new | 13F |
| Carret Asset Management, LLC | 600,140 | 0.31% | $1.0 million | 0.09% | +41,000 | 13F |
| Man Group plc | 597,334 | 0.31% | $1.0 million | 0.00% | new | 13F |
| Russell Investments Group, Ltd. | 596,843 | 0.31% | $1.0 million | 0.00% | +126,968 | 13F |
| Balyasny Asset Management L.P. | 564,339 | 0.30% | $948,090 | 0.00% | +303,801 | 13F |
| PEAK6 LLC | 555,552 | 0.29% | $933,327 | 0.02% | -43,470 | 13F |
| Vestmark Advisory Solutions, Inc. | 478,205 | 0.25% | $803,384 | 0.01% | -71,884 | 13F |
| Morgan Stanley | 477,776 | 0.25% | $802,664 | 0.00% | -1,362,685 | 13F |
| ArrowMark Colorado Holdings LLC | 468,382 | 0.25% | $786,882 | 0.03% | no change | 13F |
| Mirae Asset Global ETFS Holdings Ltd. | 441,639 | 0.23% | $741,954 | 0.00% | +105,382 | 13F |
| Rhumbline Advisers | 356,996 | 0.19% | $599,738 | 0.00% | +8,054 | 13F |
| Connor, Clark & Lunn Investment Management Ltd. | 348,324 | 0.18% | $585,185 | 0.00% | new | 13F |
| Mirador Capital Partners LP | 342,482 | 0.18% | $575,370 | 0.07% | -262,402 | 13F |
The 50 largest of the 223 funds that reported a position in PACB in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on PACB
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Calls | 110,800 | $186,144 | 30 June 2026 | 13F |
| Citadel Advisors | Puts | 65,200 | $109,536 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 14 August 2026 | 13G/A | ARK Investment Management LLC and 3 others | 29.8 million | 9.6% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 3 February 2026 | 13G/A | ARK Investment Management LLC and 3 others | 37.3 million | 12.3% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 14 November 2025 | 13G/A | Madrone Capital Partners, LLC and 11 others | 8.5 million | 2.8% | 30 September 2025 | passive, under 20% (13d-1(c)) | EDGAR |
| 4 November 2025 | 13G/A | ARK Investment Management LLC and 3 others | 30.9 million | 10.3% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 30 September 2026 | 71,614 | $1.83 | SEC |
| 29 September 2026 | 23,869 | $1.71 | SEC |
| 28 September 2026 | 40,131 | $1.62 | SEC |
| 8 September 2026 | 4,275 | $1.35 | SEC |
| 27 August 2026 | 80 | $1.56 | SEC |
| 26 August 2026 | 56,521 | $1.52 | SEC |
| 25 August 2026 | 2,314 | $1.28 | SEC |
| 24 August 2026 | 16,495 | $1.35 | SEC |
| 20 August 2026 | 7,038 | $1.27 | SEC |
| 18 August 2026 | 55,011 | $1.21 | SEC |
| 17 August 2026 | 8,674 | $1.15 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.