PACIFIC BIOSCIENCES OF CALIFORNIA, INC. - Common Stock, par value $0.001 (PACB) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock, par value $0.001
Symbol
PACB on Nasdaq
Shares outstanding
302,717,464
Price per share
$1.87
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
186,223,087
Total reported value
$237,845,722
% of total 13F portfolios
0%
Share change
-12,244,868
Value change
-$15,543,715
Number of holders
203
Price from insider filings
$1.87
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of PACIFIC BIOSCIENCES OF CALIFORNIA, INC. - Common Stock, par value $0.001 (PACB) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
ARK Investment Management LLC 10% $39,582,852 30,924,103 ARK Investment Management LLC 30 Sep 2025
BlackRock, Inc. 7.7% $25,381,202 22,865,948 BlackRock, Inc. 31 Mar 2025
VANGUARD GROUP INC 5.5% $18,052,386 16,263,411 The Vanguard Group 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 Sep 2025, 203 institutional investors reported holding 186,223,087 shares of PACIFIC BIOSCIENCES OF CALIFORNIA, INC. - Common Stock, par value $0.001 (PACB). This represents 62% of the company’s total 302,717,464 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of PACIFIC BIOSCIENCES OF CALIFORNIA, INC. - Common Stock, par value $0.001 (PACB) together control 56% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
ARK Investment Management LLC 10% 30,924,103 -15% 0.24% $39,582,852
BlackRock, Inc. 7.5% 22,695,752 +0.19% 0% $29,050,563
SOFTBANK GROUP CORP. 6.8% 20,451,570 0% 0.1% $26,178,010
VANGUARD GROUP INC 5.4% 16,379,972 +2.3% 0% $20,966,364
EDMOND DE ROTHSCHILD HOLDING S.A. 3.5% 10,675,200 -20% 0.21% $13,664,256
Amova Asset Management Americas, Inc. 2.9% 8,677,558 -5.9% 0.11% $11,020,499
Sumitomo Mitsui Trust Group, Inc. 2.9% 8,677,558 -5.9% 0.01% $11,107,274
GEODE CAPITAL MANAGEMENT, LLC 2.3% 6,906,655 +2.8% 0% $8,842,124
STATE STREET CORP 2% 5,909,644 +2.7% 0% $7,564,344
MADRONE ADVISORS, LLC 1.6% 4,976,089 -70% 0.31% $6,369,394
MILLENNIUM MANAGEMENT LLC 1.6% 4,916,795 +466% 0% $6,293,498
Point72 (DIFC) Ltd 1.4% 4,270,137 +74% 0.38% $5,465,775
Koss-Olinger Consulting, LLC 1.1% 3,300,000 0% 0.34% $4,092,000
AMIRAL GESTION 0.9% 2,733,290 0% 1.2% $3,211,616
CITADEL ADVISORS LLC 0.83% 2,498,354 0% $3,197,893
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.8% 2,427,354 +6% 0% $3,107,013
NORTHERN TRUST CORP 0.76% 2,288,896 +3.8% 0% $2,929,787
UBS Group AG 0.49% 1,497,226 -25% 0% $1,916,450
BANK OF AMERICA CORP /DE/ 0.49% 1,472,690 +110% 0% $1,885,043
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.45% 1,375,259 +7.2% 0% $1,760,332
IQ EQ FUND MANAGEMENT (IRELAND) Ltd 0.43% 1,288,692 +63% 0.11% $1,649,526
Invesco Ltd. 0.37% 1,106,773 +32% 0% $1,416,670
BOURNE LENT ASSET MANAGEMENT INC 0.32% 967,055 -0.53% 0.44% $1,237,830
Squarepoint Ops LLC 0.31% 932,076 +216% 0% $1,193,057
HHLR ADVISORS, LTD. 0.3% 918,892 0% 0.03% $1,176,182

Institutional Holders of PACIFIC BIOSCIENCES OF CALIFORNIA, INC. - Common Stock, par value $0.001 (PACB) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 4,823,490 $7,121,743 +$31,107 $1.87 17
2025 Q3 186,223,087 $237,845,722 -$15,543,715 $1.28 203
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
2020 Q2 108,792,315 $375,333,900 -$26,373,067 $3.45 145
2020 Q1 117,306,862 $358,961,836 -$19,512,348 $3.06 125
2019 Q4 115,201,561 $592,149,594 -$29,996,550 $5.14 133
2019 Q3 117,551,319 $606,570,421 -$16,643,818 $5.16 144
2019 Q2 120,417,909 $728,515,220 -$6,852,455 $6.05 145
2019 Q1 120,652,745 $872,331,967 +$96,392,269 $7.23 157
2018 Q4 107,153,063 $792,908,522 +$59,427,478 $7.40 150
2018 Q3 109,008,919 $589,718,249 +$86,063,166 $5.41 117
2018 Q2 93,208,345 $330,882,977 +$3,086,912 $3.55 97
2018 Q1 93,880,007 $192,464,420 +$32,466,834 $2.05 97
2017 Q4 77,673,837 $205,056,546 -$13,658,908 $2.64 103
2017 Q3 81,963,050 $430,249,897 +$22,193,371 $5.25 95
2017 Q2 78,967,536 $281,135,570 +$51,618,384 $3.56 103
2017 Q1 63,524,185 $328,395,282 +$48,916,595 $5.17 103
2016 Q4 63,181,144 $240,109,301 -$67,966,160 $3.80 111
2016 Q3 65,019,702 $582,560,386 +$26,681,843 $8.96 127
2016 Q2 61,281,293 $431,148,456 +$16,972,467 $7.04 140
2016 Q1 57,943,985 $490,940,000 +$38,917,343 $8.50 130
2015 Q4 52,286,294 $686,611,589 +$150,363,502 $13.13 119
2015 Q3 42,673,314 $156,171,185 -$4,365,999 $3.66 89
2015 Q2 42,651,245 $245,663,465 +$18,703,999 $5.76 100
2015 Q1 39,071,045 $228,161,111 +$4,609,300 $5.84 93
2014 Q4 43,639,561 $342,232,534 +$20,164,394 $7.84 99
2014 Q3 36,219,956 $177,825,215 -$6,558,040 $4.91 88
2014 Q2 37,290,143 $230,411,868 -$7,231,419 $6.18 86
2014 Q1 38,528,141 $205,820,143 +$5,919,971 $5.35 85