Who owns PACBWhat PACB owns — n/a

Who owns Pacific Biosciences of California, Inc.?

Institutional ownership of PACB from SEC Form 13F filings across 167 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

167

13F holders

$260.6M

value, 2026 filers

50.3%

of shares outstanding (156.3M sh)

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of PACB's shares outstanding

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	BlackRock, Inc.	32.3M	$54.3M	0.0%	10.4%	+28.0%
2	ARK Investment Management LLC	29.8M	$50.0M	0.3%	9.6%	-17.9%
3	VANGUARD CAPITAL MANAGEMENT LLC	13.4M	$22.5M	0.0%	4.3%	-47.6%
4	GEODE CAPITAL MANAGEMENT, LLC	7.6M	$12.8M	0.0%	2.4%	+9.0%
5	Sumitomo Mitsui Trust Group, Inc.	6.0M	$10.1M	0.0%	1.9%	-14.6%
6	Amova Asset Management Americas, Inc.	6.0M	$10.0M	0.1%	1.9%	-14.6%
7	Point72 Asset Management, L.P.	4.8M	$8.0M	0.0%	1.5%	+1575.6%
8	TWO SIGMA INVESTMENTS, LP	4.2M	$7.1M	0.0%	1.4%	+20.9%
9	D. E. Shaw & Co., Inc.	4.2M	$7.1M	0.0%	1.4%	+15.7%
10	MILLENNIUM MANAGEMENT LLC	4.0M	$6.7M	0.0%	1.3%	-19.0%
11	GOLDMAN SACHS GROUP INC	3.2M	$5.4M	0.0%	1%	+226.8%
12	CITADEL ADVISORS LLC	2.8M	$4.8M	0.0%	0.9%	+80.6%
13	VANGUARD PORTFOLIO MANAGEMENT LLC	2.7M	$4.5M	0.0%	0.9%	-6.8%
14	Sixth Street Partners Management Company, L.P.NEW	2.7M	$4.5M	0.8%	0.9%	new
15	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	2.7M	$4.5M	0.0%	0.9%	+10.3%
16	NORTHERN TRUST CORP	2.4M	$4.0M	0.0%	0.8%	+10.4%
17	VANGUARD FIDUCIARY TRUST CO	2.2M	$3.7M	0.0%	0.7%	+10.1%
18	SUSQUEHANNA INTERNATIONAL GROUP, LLP	2.1M	$3.6M	0.0%	0.7%	+23.9%
19	Longaeva Partners L.P.NEW	2.1M	$3.6M	0.1%	0.7%	new
20	IQ EQ FUND MANAGEMENT (IRELAND) Ltd	1.7M	$2.8M	0.2%	0.5%	-5.2%
21	BANK OF AMERICA CORP /DE/	1.3M	$2.3M	0.0%	0.4%	-19.1%
22	Invesco Ltd.	1.3M	$2.2M	0.0%	0.4%	-11.7%
23	Nuveen, LLC	1.0M	$1.7M	0.0%	0.3%	-65.3%
24	UBS Group AG	893,140	$1.5M	0.0%	0.3%	-45.5%
25	Universal- Beteiligungs- und Servicegesellschaft mbH	808,700	$1.4M	0.0%	0.3%	0.0%

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.