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
-$15,543,744
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% $31,097,689 22,865,948 BlackRock, Inc. 31 Mar 2025
VANGUARD GROUP INC 5.5% $22,118,239 16,263,411 The Vanguard Group 31 Mar 2025
EDMOND DE ROTHSCHILD ASSET MANAGEMENT (FRANCE) 4.5% $15,371,130 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% $2,997,500 -$19,365,872 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 415,805 $781,212 +$114,826 $1.87 9
2025 Q3 186,223,087 $237,845,722 -$15,543,744 $1.28 203
2025 Q2 198,429,992 $245,807,592 -$33,394,286 $1.24 201
2025 Q1 225,076,304 $265,438,271 -$42,568,122 $1.18 215
2024 Q4 259,348,954 $474,354,867 +$51,255,378 $1.83 224
2024 Q3 231,885,292 $394,223,799 -$15,174,603 $1.70 221
2024 Q2 242,323,560 $331,833,612 -$124,159,451 $1.37 223
2024 Q1 263,006,469 $986,135,996 -$195,410,960 $3.75 259
2023 Q4 737,243 $7,232,354 -$2,912,322 $9.81 3
2023 Q3 261,440,760 $2,182,814,059 +$63,922,384 $8.35 265
2023 Q2 250,272,320 $3,327,780,340 -$18,395,741 $13.30 257
2023 Q1 251,730,228 $2,911,902,484 +$331,212,824 $11.58 242
2022 Q4 224,688,118 $1,837,820,394 -$7,492,190 $8.18 219
2022 Q3 204,923,540 $1,190,613,817 -$110,429,204 $5.80 197
2022 Q2 196,374,401 $865,436,625 -$60,243,787 $4.42 202
2022 Q1 220,956,738 $2,012,062,276 +$50,991,679 $9.10 226
2021 Q4 204,774,957 $4,189,757,871 +$308,986,466 $20.46 240
2021 Q3 188,357,707 $4,813,198,185 +$389,616,723 $25.55 233
2021 Q2 172,372,287 $6,026,351,904 +$295,976,042 $34.97 251
2021 Q1 164,278,673 $5,471,018,334 -$159,411,280 $33.31 250
2020 Q4 170,160,311 $4,413,971,018 +$829,242,653 $25.94 200
2020 Q3 148,618,486 $1,467,457,670 +$477,689,784 $9.87 170
2020 Q2 107,510,861 $370,912,900 -$25,552,439 $3.45 144
2020 Q1 117,305,850 $358,956,836 -$19,852,100 $3.06 123
2019 Q4 115,201,561 $592,149,594 -$29,997,168 $5.14 133
2019 Q3 117,551,319 $606,570,421 -$15,693,540 $5.16 144
2019 Q2 119,508,299 $723,011,220 -$11,508,178 $6.05 144
2019 Q1 120,014,090 $867,713,967 +$93,643,290 $7.23 155
2018 Q4 107,082,206 $792,384,522 +$59,391,366 $7.40 149
2018 Q3 108,854,327 $587,638,706 +$84,099,541 $5.41 115
2018 Q2 93,203,930 $330,867,492 +$3,022,901 $3.55 95
2018 Q1 93,807,621 $192,315,985 +$32,615,248 $2.05 95
2017 Q4 77,664,880 $205,032,698 -$13,646,146 $2.64 100
2017 Q3 81,961,996 $430,245,222 +$22,188,462 $5.25 94
2017 Q2 78,853,432 $280,730,078 +$54,064,866 $3.56 99
2017 Q1 63,524,185 $328,395,282 +$49,176,124 $5.17 103
2016 Q4 62,786,211 $238,608,301 -$69,140,023 $3.80 109
2016 Q3 64,963,352 $582,055,386 +$31,192,396 $8.96 126
2016 Q2 61,261,016 $431,006,456 +$16,221,245 $7.04 139
2016 Q1 57,926,234 $490,789,000 +$38,917,051 $8.50 129
2015 Q4 52,241,542 $686,023,589 +$150,136,979 $13.13 118
2015 Q3 42,655,183 $156,111,185 -$4,353,607 $3.66 87
2015 Q2 42,009,166 $241,966,465 +$18,552,018 $5.76 97
2015 Q1 39,071,045 $228,161,111 +$4,591,798 $5.84 93
2014 Q4 43,467,731 $340,885,534 +$19,175,684 $7.84 98
2014 Q3 36,210,859 $177,789,215 -$6,487,150 $4.91 88
2014 Q2 37,290,143 $230,411,868 -$7,172,777 $6.18 86
2014 Q1 38,430,519 $205,302,143 +$6,032,898 $5.35 84