13F Insight
DOSSIER · 13F Holders · Q1 2026Healthcare · Laboratory Analytical InstrumentsCheap mega-capRe-rated
PACB

PACIFIC BIOSCIENCES CALIF IN

237 institutions still hold PACIFIC BIOSCIENCES CALIF IN as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 69404D108·Laboratory Analytical Instruments·237 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 9.7%
vs prior quarter
13F value held
$212M
64.0% inst. owned
of float
Holders
237
+6 QoQ
filers reporting
Activity
+57 / −46
+944 added · −831 reduced
this quarter
Concentration
22.54%
ARK Investment Management LLC #1
top holder share
AI Holders Summary · Q1 2026

237 institutions reported PACB in Q1 2026. ARK Investment Management LLC leads at 22.5% of the visible book. +6 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
ARK Investment Management LLC
CIK 0001697748
$48M36.3M0.37%Q1 202602
BlackRock, Inc.
CIK 0002012383
$33M25.3M0.00%Q1 202603
SOFTBANK GROUP CORP.
CIK 0001065521
$27M20.5M0.24%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$17M12.8M0.00%Q1 202605
Sumitomo Mitsui Trust Group, Inc.
CIK 0001475365
$9M7.0M0.01%Q1 202606
Amova Asset Management Americas, Inc.
CIK 0001480751
$9M7.0M0.13%Q1 202607
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$9M7.0M0.00%Q1 202608
D. E. Shaw & Co., Inc.
CIK 0001009207
$8M4.4M0.00%Q4 202509
STATE STREET CORP
CIK 0000093751
$8M6.1M0.00%Q1 202610
CITADEL ADVISORS LLC
CIK 0001423053
$7M3.7M0.00%Q4 202511
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$6M4.9M0.00%Q1 202612
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$5M3.5M0.00%Q1 202613
Nuveen, LLC
CIK 0001871926
$4M3.0M0.00%Q1 202614
Vanguard Portfolio Management
CIK 0002100121· Index
$4M2.9M0.00%Q1 202615
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$3M2.5M0.01%Q1 202616
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$3M2.4M0.00%Q1 202617
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$3M2.4M0.00%Q1 202618
NORTHERN TRUST CORP
CIK 0000073124· Index
$3M2.1M0.00%Q1 202619
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$3M2.0M0.00%Q1 202620
HRT FINANCIAL LP
CIK 0001475597
$3M1.4M0.01%Q4 2025
Page 1 of 12
217 more holders available. Log in →