Pacific Biosciences of California, Inc. (PACB)
Nasdaq: PACB · Laboratory Analytical Instruments · Menlo Park, CA · filing with the SEC since 2004
Who owns Pacific Biosciences of California, Inc.
As filed with the SECHolders of 5% or more
2
ARK Investment Management LLC holds 9.59% of Common Stock, as its SCHEDULE 13G/A filed Aug 14, 2026 says.
Directors and officers
12
report now, of 27 people on the record since 2010. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
ARK Investment Management LLC
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock · 12.3% in Feb 3, 2026
Blackrock, Inc.
SCHEDULE 13G/A · filed Apr 17, 2025 · Common Stock
Edmond De Rothschild Asset Management (France)
SCHEDULE 13G/A · filed Jul 24, 2025 · Common Stock · reported falling below 5%
Gregory Boyd Penner
SCHEDULE 13G/A · filed Nov 14, 2025 · Common Stock, par value $0.001 · reported falling below 5%, from 6.8% in Aug 13, 2025
Millennium Management LLC
SCHEDULE 13G/A · filed Apr 9, 2025 · Common Stock, par value $0.001 per share · reported falling below 5%, from 6% in Dec 10, 2024
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%, from 5.46% in Apr 30, 2025
What PACB reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Apton
A company bought · acquisition · Dec 2023 · owns, named in the 10-K filed Feb 25, 2026
Apton and Omniome
A company bought · acquisition · owns, named in the 10-K filed Feb 25, 2026
Omniome Inc
A company bought · acquisition · owns, named in the 10-K filed Feb 25, 2026
12 subsidiaries in 9 countries, from the list filed with the 10-K filed Feb 25, 2026.
Insider tradesForm 4
12sales
0purchases
1sales on a scheduled plan
4people selling
$3.4Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 8, 2025 to Oct 8, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 8, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window4 of 27 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Gibson James R II | See Remarks | 2 | $2.2M | 1 | 0 | $0 |
| Henry Christian O | President & CEO | 3 | $800,000 | 0 | 0 | $0 |
| Van Oene Mark | President & CEO | 4 | $300,000 | 0 | 0 | $0 |
| Farmer Michele | Chief Accounting Officer | 3 | $100,000 | 0 | 0 | $0 |