PACB · Pacific Biosciences Of California, Inc. · Shareholders & Ownership

$2.14 +0.18 (+9.18%) At close · Oct 21

Russell 2000 member Rebalance outlook locked

Market Cap

$609.23M

310.83M

Volume · Oct 21 13.5M Avg daily vol (3M) 11.02M

Every disclosed holder of PACB in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

How the holder list picks a filing →

Who Owns PACB

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

Holder group	Holders	Shares	% Out	Summed
Institutional (13F)	218	190,876,660	61.41%	Yes
Insiders (Forms 3, 4, 5)	6	7,842,947	2.52%	Yes
13D/G-only blocks	3	31,547,055	10.15%	Yes
Remaining	—	80,564,097	25.92%	Rest
Registered funds (N-PORT, not summed)	134	73,318,301	23.59%	No

Shares outstanding: 310,830,759, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of PACB

One row per holder Every filing By ultimate parent

All 13F Funds Insiders 13D/G Non-US

#	Holder	Shares	% Out	Change	As of	Notes
1	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	32,339,550	10.40%	+7,072,121	Jun 30, 2026	carried, not yet filed for the newest quarter
1.1	iShares Russell 2000 ETF Fund S000004344 · Registered fund · Jun 30, 2026 iShares Trust, not summed	7,351,682	2.37%	+534,087	Jun 30, 2026	iShares Trust, not summed
1.2	iShares Russell 2000 Growth ETF Fund S000004343 · Registered fund · Jun 30, 2026 iShares Trust, not summed	2,473,318	0.80%	—	Jun 30, 2026	iShares Trust, not summed
1.3	BlackRock Advantage Small Cap Core Fund Fund S000039982 · Registered fund · May 29, 2026 BlackRock Funds, not summed	2,088,495	0.67%	+1,909,562	May 29, 2026	BlackRock Funds, not summed
1.4	iShares Biotechnology ETF Fund S000004350 · Registered fund · Jun 30, 2026 iShares Trust, not summed	1,996,772	0.64%	-24,761	Jun 30, 2026	iShares Trust, not summed
1.5	iShares Genomics Immunology and Healthcare ETF Fund S000065599 · Registered fund · Jul 31, 2026 iShares Trust, not summed	622,048	0.20%	+139,024	Jul 31, 2026	iShares Trust, not summed
2	ARK Investment Management LLC 13F CIK 1697748 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	29,781,416	9.58%	-6,491,872	Jun 30, 2026	carried, not yet filed for the newest quarter
2.1	ARK Investment Management LLC 13G CIK 1697748 · Registered investment adviser · Jun 30, 2026 Rule 13d-1(b), qualified institution, not summed	29,781,416	9.58%	-7,482,812	Jun 30, 2026	Rule 13d-1(b), qualified institution, not summed
2.2	ARK Innovation ETF Fund S000042977 · Registered fund · Jul 31, 2026 ARK ETF Trust, not summed	12,810,378	4.12%	-1,922,823	Jul 31, 2026	ARK ETF Trust, not summed
2.3	ARK Genomic Revolution ETF Fund S000042975 · Registered fund · Jul 31, 2026 ARK ETF Trust, not summed	10,630,263	3.42%	-334,632	Jul 31, 2026	ARK ETF Trust, not summed
3	SOFTBANK GROUP CORP. 13F CIK 1065521 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	20,451,570	6.58%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
4	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	13,397,934	4.31%	+620,485	Jun 30, 2026	carried, not yet filed for the newest quarter
5	EDMOND DE ROTHSCHILD ASSET MANAGEMENT (FRANCE) 13G CIK 1649592 · Non-US institution · Jun 30, 2025 Rule 13d-1(b), qualified institution	13,366,200	4.30%	-6,941,680	Jun 30, 2025	Rule 13d-1(b), qualified institution
6	Jackson Square Partners, LLC 13G CIK 1605911 · Investment adviser · Dec 31, 2023 Rule 13d-1(b), qualified institution	9,704,766	3.12%	—	Dec 31, 2023	Rule 13d-1(b), qualified institution
7	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	9,535,565	3.07%	+576,700	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
8	Gregory Boyd Penner 13G CIK 1789147 · Unknown · Sep 30, 2025 Rule 13d-1(c), passive investor	8,476,089	2.73%	-11,786,127	Sep 30, 2025	Rule 13d-1(c), passive investor
9	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	7,606,518	2.45%	+631,252	Jun 30, 2026	carried, not yet filed for the newest quarter
10	Amova Asset Management Americas, Inc. 13F CIK 1480751 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	6,009,715	1.93%	-1,028,272	Jun 30, 2026	carried, not yet filed for the newest quarter
11	Sumitomo Mitsui Trust Group, Inc. 13F CIK 1475365 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	6,009,715	1.93%	-1,028,272	Jun 30, 2026	carried, not yet filed for the newest quarter
12	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	5,961,175	1.92%	-160,541	Jun 30, 2026	carried, not yet filed for the newest quarter
12.1	STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO Fund S000050332 · Registered fund · Jun 30, 2026 STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed	93,721	0.03%	0	Jun 30, 2026	STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
12.2	State Street Total Return V.I.S. Fund Fund S000001637 · Registered fund · Jun 30, 2026 STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed	6,559	0.00%	0	Jun 30, 2026	STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
12.3	State Street Balanced Index Fund Fund S000082802 · Registered fund · Jun 30, 2026 STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed	1,744	0.00%	0	Jun 30, 2026	STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
13	Point72 Asset Management, L.P. 13F CIK 1603466 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	4,787,300	1.54%	+4,501,600	Jun 30, 2026	carried, not yet filed for the newest quarter
14	TWO SIGMA INVESTMENTS, LP 13F CIK 1179392 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	4,242,599	1.36%	+732,986	Jun 30, 2026	carried, not yet filed for the newest quarter
15	D. E. Shaw & Co., Inc. 13F CIK 1009207 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	4,208,146	1.35%	+570,599	Jun 30, 2026	carried, not yet filed for the newest quarter
16	MILLENNIUM MANAGEMENT LLC 13F CIK 1273087 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	3,962,442	1.27%	-929,876	Jun 30, 2026	carried, not yet filed for the newest quarter
17	HENRY CHRISTIAN O Insider CIK 1263805 · Mar 3, 2026 Director, issuer-wide	3,581,813	1.15%	-12,497	Mar 3, 2026	Director, issuer-wide
18	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	3,581,020	1.15%	+136,227	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
19	GOLDMAN SACHS GROUP INC 13F CIK 886982 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	3,229,887	1.04%	+2,241,420	Jun 30, 2026	carried, not yet filed for the newest quarter
19.1	Goldman Sachs Small Cap Value Insights Fund Fund S000014929 · Registered fund · Jul 31, 2026 Goldman Sachs Trust, not summed	173,273	0.06%	—	Jul 31, 2026	Goldman Sachs Trust, not summed
19.2	Goldman Sachs Small Cap Growth Insights Fund Fund S000014930 · Registered fund · Jul 31, 2026 Goldman Sachs Trust, not summed	95,716	0.03%	—	Jul 31, 2026	Goldman Sachs Trust, not summed
19.3	Goldman Sachs Absolute Return Tracker Fund Fund S000020314 · Registered fund · Jun 30, 2026 GOLDMAN SACHS TRUST, not summed	60,954	0.02%	+49,971	Jun 30, 2026	GOLDMAN SACHS TRUST, not summed
19.4	Goldman Sachs Variable Insurance Trust Small Cap Equity Insights Fund Fund S000009355 · Registered fund · Jun 30, 2026 Goldman Sachs Variable Insurance Trust, not summed	16,148	0.01%	—	Jun 30, 2026	Goldman Sachs Variable Insurance Trust, not summed
20	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,845,903	0.92%	+1,269,852	Jun 30, 2026	carried, not yet filed for the newest quarter
21	Van Oene Mark Insider CIK 1707477 · Aug 17, 2026 See Remarks, issuer-wide	2,705,853	0.87%	-26,911	Aug 17, 2026	See Remarks, issuer-wide
22	VANGUARD PORTFOLIO MANAGEMENT LLC 13F CIK 2100121 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,671,916	0.86%	-196,477	Jun 30, 2026	carried, not yet filed for the newest quarter
23	CHARLES SCHWAB INVESTMENT MANAGEMENT INC 13F CIK 884546 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,652,298	0.85%	+246,802	Jun 30, 2026	carried, not yet filed for the newest quarter
23.1	Schwab U.S. Small-Cap ETF Fund S000026636 · Registered fund · May 31, 2026 SCHWAB STRATEGIC TRUST, not summed	1,434,895	0.46%	-23,326	May 31, 2026	SCHWAB STRATEGIC TRUST, not summed
23.2	Schwab Small-Cap Index Fund Fund S000005912 · Registered fund · Jul 31, 2026 SCHWAB CAPITAL TRUST, not summed	685,461	0.22%	+73,806	Jul 31, 2026	SCHWAB CAPITAL TRUST, not summed
23.3	Schwab Total Stock Market Index Fund Fund S000005913 · Registered fund · Jul 31, 2026 SCHWAB CAPITAL TRUST, not summed	289,484	0.09%	0	Jul 31, 2026	SCHWAB CAPITAL TRUST, not summed
23.4	Schwab U.S. Broad Market ETF Fund S000026631 · Registered fund · May 31, 2026 SCHWAB STRATEGIC TRUST, not summed	174,278	0.06%	+2,395	May 31, 2026	SCHWAB STRATEGIC TRUST, not summed
24	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	2,352,786	0.76%	+221,998	Jun 30, 2026	carried, not yet filed for the newest quarter
24.1	Small Cap Index Fund Fund S000001245 · Registered fund · Jun 30, 2026 Northern Funds, not summed	142,650	0.05%	+23,799	Jun 30, 2026	Northern Funds, not summed
25	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	2,187,627	0.70%	+201,144	Jun 30, 2026	carried, not yet filed for the newest quarter
26	SUSQUEHANNA INTERNATIONAL GROUP, LLP 13F CIK 1446194 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	2,129,263	0.69%	+410,098	Jun 30, 2026	carried, not yet filed for the newest quarter
27	Longaeva Partners L.P. 13F CIK 2054122 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	2,118,231	0.68%	+2,118,231	Jun 30, 2026	carried, not yet filed for the newest quarter
28	ARK Venture Fund Fund · Registered fund · Jul 31, 2026 ARK Venture Fund, not summed	1,725,183	0.56%	—	Jul 31, 2026	ARK Venture Fund, not summed
28.1	Gabelli Dividend & Income Trust Fund · Registered fund · Jun 30, 2026 Gabelli Dividend & Income Trust, not summed	100,000	0.03%	—	Jun 30, 2026	Gabelli Dividend & Income Trust, not summed
28.2	Guggenheim Active Allocation Fund Fund · Registered fund · May 29, 2026 Guggenheim Active Allocation Fund, not summed	2,271	0.00%	—	May 29, 2026	Guggenheim Active Allocation Fund, not summed
29	IQ EQ FUND MANAGEMENT (IRELAND) Ltd 13F CIK 1620943 · Exempt reporting adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,694,546	0.55%	-93,847	Jun 30, 2026	carried, not yet filed for the newest quarter
30	VANGUARD RUSSELL 2000 INDEX FUND Fund S000030003 · Registered fund · May 31, 2026 VANGUARD SCOTTSDALE FUNDS, not summed	1,416,531	0.46%	+47,252	May 31, 2026	VANGUARD SCOTTSDALE FUNDS, not summed
31	Birchview Capital, LP 13F CIK 1618205 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	1,350,000	0.43%	-150,000	Jun 30, 2026	carried, not yet filed for the newest quarter
32	BANK OF AMERICA CORP /DE/ 13F CIK 70858 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	1,348,131	0.43%	-318,575	Jun 30, 2026	carried, not yet filed for the newest quarter
33	Invesco Ltd. 13F CIK 914208 · Investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,297,091	0.42%	-171,057	Jun 30, 2026	carried, not yet filed for the newest quarter
33.1	Invesco RAFI US 1500 Small-Mid ETF Fund S000013120 · Registered fund · Jul 31, 2026 Invesco Exchange-Traded Fund Trust, not summed	1,067,651	0.34%	-220,970	Jul 31, 2026	Invesco Exchange-Traded Fund Trust, not summed
33.2	Invesco NASDAQ Future Gen 200 ETF Fund S000077288 · Registered fund · May 31, 2026 Invesco Exchange-Traded Fund Trust II, not summed	45,738	0.01%	+17,265	May 31, 2026	Invesco Exchange-Traded Fund Trust II, not summed
33.3	Invesco Nasdaq Biotechnology ETF Fund S000072469 · Registered fund · May 31, 2026 Invesco Exchange-Traded Fund Trust II, not summed	15,934	0.01%	-918	May 31, 2026	Invesco Exchange-Traded Fund Trust II, not summed
34	AQR CAPITAL MANAGEMENT LLC 13F CIK 1167557 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,296,684	0.42%	+537,192	Jun 30, 2026	carried, not yet filed for the newest quarter
35	Gibson James R II Insider CIK 1384133 · Oct 6, 2026 See Remarks, issuer-wide	1,083,848	0.35%	-161,815	Oct 6, 2026	See Remarks, issuer-wide
36	Nuveen, LLC 13F CIK 1871926 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	1,023,113	0.33%	-1,927,816	Jun 30, 2026	carried, not yet filed for the newest quarter
36.1	Nuveen Equity Index Fund Fund S000005360 · Registered fund · Jul 31, 2026 TIAA-CREF Funds, not summed	587,980	0.19%	0	Jul 31, 2026	TIAA-CREF Funds, not summed
36.2	Nuveen Small Cap Blend Index Fund Fund S000005367 · Registered fund · Jul 31, 2026 TIAA-CREF Funds, not summed	376,135	0.12%	+45,293	Jul 31, 2026	TIAA-CREF Funds, not summed
37	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	966,200	0.31%	-1,522,900	Jun 30, 2026	carried, not yet filed for the newest quarter
38	BOURNE LENT ASSET MANAGEMENT INC 13F CIK 1128286 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	943,055	0.30%	-8,000	Jun 30, 2026	carried, not yet filed for the newest quarter
39	HHLR ADVISORS, LTD. 13F CIK 1762304 · Exempt reporting adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	918,892	0.30%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
40	UBS Group AG 13F CIK 1610520 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	893,140	0.29%	-746,959	Jun 30, 2026	carried, not yet filed for the newest quarter
41	Universal- Beteiligungs- und Servicegesellschaft mbH 13F CIK 2057170 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	808,700	0.26%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
42	ACADIAN ASSET MANAGEMENT LLC 13F CIK 916542 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	793,332	0.26%	+374,541	Jun 30, 2026	carried, not yet filed for the newest quarter
43	Bank of New York Mellon Corp 13F CIK 1390777 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	767,567	0.25%	-45,839	Jun 30, 2026	carried, not yet filed for the newest quarter
44	VANGUARD HEALTH CARE INDEX FUND Fund S000004450 · Registered fund · May 31, 2026 VANGUARD WORLD FUND, not summed	766,110	0.25%	-6,497	May 31, 2026	VANGUARD WORLD FUND, not summed
45	DIMENSIONAL FUND ADVISORS LP 13F CIK 354204 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	759,783	0.24%	-139,767	Jun 30, 2026	carried, not yet filed for the newest quarter
45.1	U.S. MICRO CAP PORTFOLIO Fund S000000948 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	189,044	0.06%	0	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
45.2	U.S. Small Cap Growth Portfolio Fund S000039439 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	175,075	0.06%	0	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
45.3	U.S. SMALL CAP PORTFOLIO Fund S000000971 · Registered fund · Jul 31, 2026 DFA INVESTMENT DIMENSIONS GROUP INC, not summed	38,386	0.01%	0	Jul 31, 2026	DFA INVESTMENT DIMENSIONS GROUP INC, not summed
45.4	Dimensional U.S. Core Equity 2 ETF Fund S000070903 · Registered fund · Jul 31, 2026 Dimensional ETF Trust, not summed	8,144	0.00%	0	Jul 31, 2026	Dimensional ETF Trust, not summed
46	Casdin Capital, LLC 13F CIK 1534261 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	723,767	0.23%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
47	TUDOR INVESTMENT CORP ET AL 13F CIK 923093 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	684,707	0.22%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
48	XTX Topco Ltd 13F CIK 1828301 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	638,882	0.21%	+394,118	Jun 30, 2026	carried, not yet filed for the newest quarter
49	Numerai GP LLC 13F CIK 1668527 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	621,469	0.20%	+621,469	Jun 30, 2026	carried, not yet filed for the newest quarter
50	CARRET ASSET MANAGEMENT, LLC 13F CIK 791490 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	600,140	0.19%	+41,000	Jun 30, 2026	carried, not yet filed for the newest quarter

8 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 291 holders

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Key facts CIK 1299130 CUSIP 69404D108 13F (30d) 19 filings 19 filers Visit website Investor relations