Security Snapshot

PACIFIC BIOSCIENCES OF CALIFORNIA, INC. - Common Stock (PACB) Institutional Ownership

CUSIP: 69404D108

13F Institutional Holders and Ownership History from Q1 2014 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

220

Shares (Excl. Options)

191.08MFull value: 191,080,434 · shares · 30 Jun 2026

Price

$1.68

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Security type / class
Equity / Common Stock
Symbol
PACB on Nasdaq
All holders as of 30 Jun 2026
Q2 2026
Total 13F shares
191,080,434
Latest holder snapshot 5 signals
Total 13F value
$320,806,312
Portfolio coverage rank
0%
Share change
+2,989,410
Value change
+$6,164,484
Number of holders
220
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
310,546,569
SEC-reported price per share
$2.05
Insider filing price
$2.05
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • PACB - PACIFIC BIOSCIENCES OF CALIFORNIA, INC. - Common Stock is tracked under CUSIP 69404D108.
  • 220 institutions reported positions in Q2 2026.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 229 to 220 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $248.55MFull value: $248,545,218 · USD · 31 Mar 2026
    to
    $320.81MFull value: $320,806,312 · USD · 30 Jun 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 220 institutions filings for Q2 2026.

Open SEC evidence

Security key

69404D108

13F reference period

Q2 2026

13F holders

220

13D/G owners

5

CIK / CUSIP context first

Open Q2 2026 holders PACB full holder history PACIFIC BIOSCIENCES OF CALIFORNIA, INC. SEC filings PACIFIC BIOSCIENCES OF CALIFORNIA, INC. company facts PACIFIC BIOSCIENCES OF CALIFORNIA, INC. insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
5
Security
PACB
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
ARK Investment Management LLC 9.6% -23% $46,459,009 -$11,673,187 29,781,416 -20% ARK Investment Management LLC 30 Jun 2026
BlackRock, Inc. 7.7% $25,381,202 22,865,948 BlackRock, Inc. 31 Mar 2025
EDMOND DE ROTHSCHILD ASSET MANAGEMENT (FRANCE) 4.5% $16,574,088 13,366,200 EDMOND DE ROTHSCHILD ASSET MANAGEMENT (FRANCE) 30 Jun 2025
MADRONE CAPITAL PARTNERS, LLC 2.8% -57% $10,849,394 -$15,086,243 8,476,089 -58% Gregory Boyd Penner 30 Sep 2025
MILLENNIUM MANAGEMENT LLC 0.7% -88% $2,446,489 -$15,805,969 2,204,044 -87% Millennium Management LLC 31 Mar 2025
As of 30 Jun 2026, 220 institutional investors reported holding
191.08MFull value: 191,080,434 · shares · 30 Jun 2026
shares of PACIFIC BIOSCIENCES OF CALIFORNIA, INC. - Common Stock (PACB). This represents 62% of the company’s total
310.55MFull value: 310,546,569 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
53%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 10% 32,339,550 +28% 0% $54,330,444
ARK Investment Management LLC 9.6% 29,781,416 -18% 0.33% $50,032,778
SOFTBANK GROUP CORP. 6.6% 20,451,570 0% 0.19% $34,358,638
VANGUARD CAPITAL MANAGEMENT LLC 4.3% 13,397,934 +4.9% 0% $22,508,529
GEODE CAPITAL MANAGEMENT, LLC 2.4% 7,606,518 +9% 0% $12,782,429
Sumitomo Mitsui Trust Group, Inc. 1.9% 6,009,715 -15% 0.01% $10,096,321
Amova Asset Management Americas, Inc. 1.9% 6,009,715 -15% 0.13% $10,036,224
STATE STREET CORP 1.9% 5,961,175 -2.6% 0% $10,014,774
Point72 Asset Management, L.P. 1.5% 4,787,300 +1576% 0.01% $8,042,664
TWO SIGMA INVESTMENTS, LP 1.4% 4,242,599 +21% 0.01% $7,127,566
D. E. Shaw & Co., Inc. 1.4% 4,208,146 +16% 0% $7,069,686
MILLENNIUM MANAGEMENT LLC 1.3% 3,962,442 -19% 0% $6,656,903
GOLDMAN SACHS GROUP INC 1% 3,229,887 +227% 0% $5,426,210
CITADEL ADVISORS LLC 0.92% 2,845,903 +81% 0% $4,781,117
VANGUARD PORTFOLIO MANAGEMENT LLC 0.86% 2,671,916 -6.8% 0% $4,488,819
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.85% 2,652,298 +10% 0% $4,455,861
NORTHERN TRUST CORP 0.76% 2,352,786 +10% 0% $3,952,681
VANGUARD FIDUCIARY TRUST CO 0.7% 2,187,627 +10% 0% $3,675,213
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.69% 2,129,263 +24% 0% $3,577,162
Longaeva Partners L.P. 0.68% 2,118,231 0.1% $3,558,628
IQ EQ FUND MANAGEMENT (IRELAND) Ltd 0.55% 1,694,546 -5.2% 0.18% $2,846,837
Birchview Capital, LP 0.43% 1,350,000 -10% 1.1% $2,268,000
BANK OF AMERICA CORP /DE/ 0.43% 1,348,131 -19% 0% $2,264,860
Invesco Ltd. 0.42% 1,297,091 -12% 0% $2,179,114
AQR CAPITAL MANAGEMENT LLC 0.42% 1,296,684 +71% 0% $2,178,430

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
51
Headline period
Q2 2026
Rows shown
1-25 of 51
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 5,944,850 $13,989,311 -$2,988,756 $2.37 32
2026 Q2 191,080,434 $320,806,312 +$6,164,484 $1.68 220
2026 Q1 188,188,305 $248,545,218 -$19,852,834 $1.32 229
2025 Q4 200,682,911 $373,261,409 +$45,692,100 $1.87 213
2025 Q3 186,222,939 $237,845,533 -$15,544,161 $1.28 204
2025 Q2 198,429,992 $245,807,592 -$33,393,899 $1.24 201
2025 Q1 225,076,304 $265,438,365 -$42,568,126 $1.18 215
2024 Q4 259,359,536 $474,377,794 +$51,266,960 $1.83 224
2024 Q3 231,885,292 $394,223,882 -$15,146,412 $1.70 221
2024 Q2 242,322,324 $331,828,960 -$126,309,908 $1.37 221
2024 Q1 264,567,000 $991,987,863 -$194,324,005 $3.75 259
2023 Q4 280,691,608 $2,753,719,080 +$174,125,078 $9.81 264
2023 Q3 262,947,975 $2,195,398,479 +$60,147,076 $8.35 269
2023 Q2 253,730,383 $3,373,760,799 +$3,630,482 $13.30 261
2023 Q1 253,323,853 $2,930,177,608 +$337,446,210 $11.58 246
2022 Q4 224,875,103 $1,839,361,397 -$8,472,047 $8.18 224
2022 Q3 211,717,263 $1,230,031,332 -$113,902,446 $5.80 205
2022 Q2 225,422,707 $1,027,886,640 -$73,855,004 $4.42 210
2022 Q1 223,099,497 $2,031,587,303 +$56,829,128 $9.10 235
2021 Q4 205,231,110 $4,199,090,963 +$311,852,672 $20.46 242
2021 Q3 188,918,110 $4,827,498,627 +$390,443,256 $25.55 238
2021 Q2 172,487,642 $6,031,627,622 +$293,878,727 $34.97 253
2021 Q1 164,192,829 $5,468,916,669 -$280,136,379 $33.31 249
2020 Q4 140,067,694 $3,634,026,778 +$744,373,801 $25.94 149
2020 Q3 148,618,546 $1,467,458,670 +$444,724,505 $9.87 171
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