PACB Stock Ownership Activity

PACIFIC BIOSCIENCES OF CALIF 13F holders

1 value investing guru has made changes to the PACIFIC BIOSCIENCES OF CALIF (PACB) position according to the gurus' latest SEC quarterly report(s). PACB has been completely sold out by 1 guru(s)

Which gurus or hedge funds are buying PACB now?

According to the latest SEC filing(s) PACIFIC BIOSCIENCES OF CALIF (PACB) has not been purchased by any super investor.

To see more about who is investing in PACIFIC BIOSCIENCES OF CALIF (PACB), please go to the PACB ownership page.

History
Name
Company
%
Activity
Share
Change
% change to
Portfolio
% of
Portfolio
2026 Q1 (1 result)
David M. Polen
Polen Capital Management
-100.00%
-137,149
-0.00%
0.00%
Current price: $1.58 15.51% Reported price*: $1.87
2025 Q4 (1 result)
David M. Polen
Polen Capital Management
buy
+137,149
+0.00%
0.00%
Current price: $1.58 15.51% Reported price*: $1.87
2021 Q3 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-100.00%
-1,273,659
-0.12%
0.00%
Current price: $1.58 95.48% Reported price*: $34.97
2021 Q2 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
+334.20%
+980,324
+0.10%
0.00%
Current price: $1.58 95.48% Reported price*: $34.97
2021 Q1 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-81.23%
-1,269,580
-0.13%
0.03%
Current price: $1.58 95.26% Reported price*: $33.31
2020 Q4 (1 result)
Ole Andreas Halvorsen
Viking Global Investors
-65.41%
-2,955,708
-0.21%
0.11%
Current price: $1.58 93.91% Reported price*: $25.94
2020 Q3 (2 results)
Ole Andreas Halvorsen
Viking Global Investors
buy
+4,518,623
+0.16%
0.16%
Prem Watsa
Fairfax Financial Holdings
-100.00%
-160,000
-0.03%
0.00%
Current price: $1.58 83.99% AVG reported price*: $9.87
2018 Q4 (1 result)
Prem Watsa
Fairfax Financial Holdings
buy
+160,000
+0.09%
0.09%
Current price: $1.58 78.61% Reported price*: $7.39
2015 Q4 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
-100.00%
-11,125
-0.01%
0.00%
Current price: $1.58 57.13% Reported price*: $3.69
2015 Q3 (1 result)
Ronald Muhlenkamp
Muhlenkamp & Co
buy
+11,125
+0.01%
0.00%
Current price: $1.58 57.13% Reported price*: $3.69
11 of 11

Shares, change to shares, sold shares - split-adjusted.

Reported price - this doesn't represent the actual buy or sell price.
It is the split-adjusted price of the security as of the last day of the reported period.

Value or Price - If the security is completely sold out, we show the reported value (or price) prior to the actual period.