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Pacific Biosciences of California, Inc.

PACB
Exchange
Nasdaq
Industry
Laboratory Analytical Instruments
SEC CIK
0001299130

In the last 90 days, Pacific Biosciences of California, Inc. insiders filed 0 open-market purchases and 1 sale; 223 institutions reported holding it in 13F filings for Q2 2026, worth $320.8M in total; superinvestors ARK Invest and HHLR Advisors (Hillhouse) hold it.

Q1 2025 vs. Q4 2024

How the institutions holding Pacific Biosciences of California, Inc. changed between Q4 2024 and Q1 2025.

All holders in Q1 2025All holders in Q4 2024

13F holders of PACB: Q4 2024 compared with Q1 2025
MeasureQ4 2024Of which not filed for Q1 2025Q1 2025Change
Holders2273225+1
Shares259.5M585.8K225.2M−33.8M (−13.0%)
Value$475.1M$1.07M$265.6M−$208.4M (−44.0%)

3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (36)

Institutions that held Pacific Biosciences of California, Inc. at the end of Q1 2025 but not at the end of Q4 2024.

Institutions new to PACB in Q1 2025
InstitutionSharesValue% of portfolio
XTX Topco Ltd488,237$576.1K0.03%
Universal- Beteiligungs- und Servicegesellschaft mbH408,700$482.3K0.00%
National Bank of Canada371,600$438.5K0.00%
Nuveen, LLC270,184$318.8K0.00%
Gsa Capital Partners LLP208,776$246.0K0.02%
HRT Financial LP143,843$169.0K0.00%
Bank of Montreal105,565$124.6K0.00%
SIH Partners, LLLP91,128$107.5K0.01%
Marex Group plc70,804$83.5K0.00%
CIBC World Markets Inc.58,100$68.6K0.00%
Baader Bank INC61,962$57.8K0.01%
Teacher Retirement System of Texas36,528$43.1K0.00%
Two Sigma Securities, LLC33,038$39.0K0.01%
Hartline Investment Corp31,000$36.6K0.00%
Sandbox Financial Partners, LLC27,517$32.5K0.01%
Jump Financial, LLC21,413$25.3K0.00%
Worth Asset Management, LLC20,400$24.1K0.01%
Atria Wealth Solutions, Inc.18,218$21.5K0.00%
Caitong International Asset Management Co., Ltd16,699$19.7K0.01%
Brevan Howard Capital Management LP14,129$16.7K0.00%
Old Mission Capital LLC12,831$15.1K0.00%
GTS Securities LLC12,509$14.8K0.00%
OneAscent Investment Solutions LLC11,587$14.0K0.02%
Jeppson Wealth Management, LLC11,402$13.5K0.00%
AQR Capital Management LLC10,922$12.9K0.00%
Janney Montgomery Scott LLC10,350$12.0K0.00%
Garde Capital, Inc.2,000$2.36K0.00%
Dynamic Wealth Strategies, LLC1,678$1.98K0.00%
Rialto Wealth Management, LLC385$4550.00%
Hughes Financial Services, LLC381$4310.00%
Headlands Technologies LLC240$2830.00%
Cordant, Inc.163$1930.00%
ORG Wealth Partners, LLC100$1130.00%
Coldstream Capital Management Inc73$860.00%
Nalls Sherbakoff Group, LLC34$400.00%
Avion Wealth327$00.00%

Sold out (35)

Institutions that held Pacific Biosciences of California, Inc. at the end of Q4 2024 and filed for Q1 2025 without it.

Institutions that sold out of PACB in Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Walleye Capital LLC1,943,046$3.56M
Group One Trading, L.P.557,333$1.02M
TD Asset Management Inc292,686$535.6K
Oracle Investment Management Inc279,638$511.7K
Carret Asset Management, LLC215,000$393.4K
Assenagon Asset Management S.A.213,091$390.0K
Verition Fund Management LLC201,475$368.7K
Prosperity Wealth Management, Inc.79,800$146.0K
Fisher Asset Management, LLC55,432$101.4K
Marshall Wace, LLP50,900$93.1K
Impact Partnership Wealth, LLC50,735$92.8K
Cerity Partners LLC45,110$80.0K
Moloney Securities Asset Management, LLC41,000$75.0K
Walleye Trading LLC34,535$63.2K
Lombard Odier Asset Management (USA) Corp31,819$58.2K
Arete Wealth Advisors, LLC32,616$58.0K
Rpo LLC31,477$57.6K
Neuberger Berman Group LLC28,208$51.6K
SEI Investments Co28,004$51.2K
United Capital Financial Advisers, LLC24,484$44.8K
Boothbay Fund Management, LLC23,608$43.2K
First Trust Advisors LP22,896$41.9K
PCA Investment Advisory Services Inc.15,000$27.4K
Scientech Research LLC10,688$19.6K
Steel Peak Wealth Management LLC10,236$18.7K
GeoWealth Management, LLC7,560$13.8K
R Squared Ltd6,140$11.2K
Russell Investments Group, Ltd.5,057$9.25K
Assetmark, Inc500$915
GAMMA Investing LLC305$558
CoreCap Advisors, LLC281$514
Measured Risk Portfolios, Inc.241$441
MAI Capital Management153$280
ORG Partners LLC101$184
Northwestern Mutual Wealth Management Co20$37

Not filed for Q1 2025 yet (3)

Institutions that held Pacific Biosciences of California, Inc. at the end of Q4 2024 and haven't filed a 13F for Q1 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding PACB in Q4 2024 that haven't filed for Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Caxton Associates LP315,348$577.1K
Nuveen Asset Management, LLC270,184$494.4K
Global Retirement Partners, LLC317$580