PACIFIC BIOSCIENCES CALIF IN (PACB) is held by 124 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is ARK Investment Management LLC as of Q1 2026.

Are institutions buying or selling PACB?

In Q1 2026, 63 institutions opened or increased positions in PACIFIC BIOSCIENCES CALIF IN while 52 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on PACB?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for PACIFIC BIOSCIENCES CALIF IN.

How many hedge funds hold PACB?

124 institutional investors report holding PACIFIC BIOSCIENCES CALIF IN (PACB) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into PACB?

As of Q1 2026, tracked institutions in PACIFIC BIOSCIENCES CALIF IN show 63 buyers versus 52 sellers — net inflows.

PACIFIC BIOSCIENCES CALIF IN

PACB·69404D108·US·Common Stock·Healthcare - Medical Devices-13D/G

124

Holders

Avg rating(31 Elite)

$232.8M

Total Value

55% (132)

Fund Consensus

63 buying - 52 selling

Smart Money Verdict

View all

Held by 124 funds

31 elite

Who's Trading

InsiderGIGibson James R IISell $121KApr 1, 2026

Activist

The Vanguard Group0.0%Mar 27, 2026

InsiderHOHENRY CHRISTIAN OSell $19KMar 3, 2026

InsiderVMVan Oene MarkSell $10KMar 3, 2026

InsiderFMFarmer MicheleSell $5KMar 3, 2026

InsiderHOHENRY CHRISTIAN OSell $229KFeb 18, 2026

InsiderVMVan Oene MarkSell $90KFeb 18, 2026

InsiderFMFarmer MicheleSell $24KFeb 18, 2026

InsiderHOHENRY CHRISTIAN OSell $523KFeb 17, 2026

Activist

ARK Investment Management LLC12.3%Feb 3, 2026

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
ARK Investment Management LLC	Decreased	36.3M(-2.7%)	$47.9M	0.4%	-84.77%	0
BlackRock, Inc.	Increased	25.3M(+8.2%)	$33.4M	0.0%	-11.71%	31
SOSOFTBANK GROUP CORP.	Unchanged	20.5M	$27M	0.2%	-12.85%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	New	12.8M	$16.9M	0.0%	+2.63%	39
Sumitomo Mitsui Trust Group, Inc.	Decreased	7M(-9.9%)	$9.3M	0.0%	-92.07%	0
Amova Asset Management Americas, Inc.	Decreased	7M(-9.9%)	$9.2M	0.1%	-92.00%	0
GEODE CAPITAL MANAGEMENT, LLC	Decreased	7M(-1.5%)	$9.2M	0.0%	-84.17%	0
STATE STREET CORP	Increased	6.1M(+3.5%)	$8.1M	0.0%	-81.41%	28
MILLENNIUM MANAGEMENT LLC	Increased	4.9M(+12.6%)	$6.5M	0.0%	+11.61%	31
DED. E. Shaw & Co., Inc.	Decreased	3.6M(-18.0%)	$4.8M	0.0%	-9.83%	0
TWO SIGMA INVESTMENTS, LP	Increased	3.5M(+22.0%)	$4.6M	0.0%	-4.72%	32
Nuveen, LLC	Increased	3M(+247.9%)	$3.9M	0.0%	+2.21%	43
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	2.9M	$3.8M	0.0%	+2.63%	37
RENAISSANCE TECHNOLOGIES LLC	Decreased	2.5M(-35.4%)	$3.3M	0.0%	-9.83%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	2.4M(-2.5%)	$3.2M	0.0%	-83.88%	0
NORTHERN TRUST CORP	Increased	2.1M(+4.1%)	$2.8M	0.0%	-82.81%	27
VFVANGUARD FIDUCIARY TRUST CO	New	2M	$2.6M	0.0%	+2.63%	36
MORGAN STANLEY	Decreased	1.8M(-23.6%)	$2.4M	0.0%	-8.09%	0
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Decreased	1.7M(-34.2%)	$2.3M	0.0%	-17.66%	0
BANK OF AMERICA CORP /DE/	Decreased	1.7M(-10.1%)	$2.2M	0.0%	+0.42%	0