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

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

Type / Class
Equity / Common Stock
Symbol
PACB on Nasdaq
Shares outstanding
301,979,157
Price per share
$2.38
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
200,634,724
Total reported value
$373,172,045
% of total 13F portfolios
0%
Share change
+18,814,157
Value change
+$45,645,548
Number of holders
209
Price from insider filings
$2.38
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of PACIFIC BIOSCIENCES OF CALIFORNIA, INC. - Common Stock (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 12% +20% $69,684,106 +$11,856,034 37,264,228 +21% ARK Investment Management LLC 31 Dec 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 31 Dec 2025, 209 institutional investors reported holding 200,634,724 shares of PACIFIC BIOSCIENCES OF CALIFORNIA, INC. - Common Stock (PACB). This represents 66% of the company’s total 301,979,157 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of PACIFIC BIOSCIENCES OF CALIFORNIA, INC. - Common Stock (PACB) together control 58% 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 12% 37,264,228 +21% 0.46% $69,684,106
BlackRock, Inc. 7.7% 23,344,970 +2.9% 0% $43,655,095
SOFTBANK GROUP CORP. 6.8% 20,451,570 0% 0.25% $38,244,436
VANGUARD GROUP INC 5.6% 17,037,314 +4% 0% $31,859,776
Amova Asset Management Americas, Inc. 2.6% 7,808,580 -10% 0.17% $14,602,045
Sumitomo Mitsui Trust Group, Inc. 2.6% 7,808,580 -10% 0.01% $14,602,045
GEODE CAPITAL MANAGEMENT, LLC 2.3% 7,078,744 +2.5% 0% $13,240,700
STATE STREET CORP 2% 5,912,223 +0.04% 0% $11,055,857
D. E. Shaw & Co., Inc. 1.5% 4,438,273 0.01% $8,299,571
MILLENNIUM MANAGEMENT LLC 1.4% 4,344,569 -12% 0.01% $8,124,344
Casdin Capital, LLC 1.4% 4,223,767 +484% 0.49% $7,898,444
RENAISSANCE TECHNOLOGIES LLC 1.3% 3,850,600 0.01% $7,200,622
UBS Group AG 1.1% 3,171,546 +112% 0% $5,930,792
CITADEL ADVISORS LLC 1% 3,166,241 +27% 0% $5,920,871
Point72 Asset Management, L.P. 0.98% 2,957,400 0.01% $5,530,338
TWO SIGMA INVESTMENTS, LP 0.95% 2,877,184 +616% 0.01% $5,380,334
AMIRAL GESTION 0.91% 2,733,290 0% 1.2% $3,210,112
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.86% 2,611,543 +90% 0.01% $4,883,585
Koss-Olinger Consulting, LLC 0.86% 2,600,000 -21% 0.38% $4,862,000
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.82% 2,465,853 +1.6% 0% $4,611,145
MORGAN STANLEY 0.8% 2,410,539 +434% 0% $4,507,708
NORTHERN TRUST CORP 0.68% 2,046,839 -11% 0% $3,827,590
IQ EQ FUND MANAGEMENT (IRELAND) Ltd 0.63% 1,894,931 +47% 0.24% $3,543,521
BANK OF AMERICA CORP /DE/ 0.61% 1,854,814 +26% 0% $3,468,502
JANE STREET GROUP, LLC 0.5% 1,500,518 +533% 0% $2,805,969

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

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 200,634,724 $373,172,045 +$45,645,548 $1.87 209
2025 Q3 186,222,923 $237,845,513 -$15,544,161 $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