Russell Investments Group’s Pacific Biosciences PACB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$1M Buy
596,843
+126,968
+27% +$185K ﹤0.01% 2463
2026
Q1
$620K Buy
469,875
+445,975
+1,866% +$798K ﹤0.01% 2423
2025
Q4
$44.7K Buy
23,900
+1,029
+4% +$1.98K ﹤0.01% 3345
2025
Q3
$29.3K Buy
+22,871
New +$31K ﹤0.01% 3475
2025
Q1
– Sell
-5,057
Closed -$9.25K – 3859
2024
Q4
$9.25K Buy
5,057
+148
+3% +$289 ﹤0.01% 3154
2024
Q3
$8.35K Sell
4,909
-114,613
-96% -$188K ﹤0.01% 3125
2024
Q2
$164K Buy
119,522
+10,936
+10% +$22.1K ﹤0.01% 2533
2024
Q1
$407K Buy
108,586
+4,443
+4% +$26K ﹤0.01% 2264
2023
Q4
$1.02M Buy
104,143
+9,998
+11% +$81.8K ﹤0.01% 1959
2023
Q3
$786K Buy
94,145
+93,327
+11,409% +$1.07M ﹤0.01% 2045
2023
Q2
$10.9K Hold
818
– – ﹤0.01% 2951
2023
Q1
$9.47K Buy
+818
New +$8.13K ﹤0.01% 2891
2022
Q2
– Sell
-793
Closed -$7K – 2949
2022
Q1
$7K Sell
793
-98,099
-99% -$1.13M ﹤0.01% 2723
2021
Q4
$2.02M Sell
98,892
-3,345
-3% -$80.7K ﹤0.01% 1796
2021
Q3
$2.61M Sell
102,237
-22,913
-18% -$679K ﹤0.01% 1672
2021
Q2
$4.37M Sell
125,150
-285,697
-70% -$8.31M 0.01% 1439
2021
Q1
$13.7M Buy
410,847
+81,859
+25% +$2.87M 0.02% 776
2020
Q4
$8.53M Buy
+328,988
New +$5.59M 0.02% 942
2020
Q3
– Sell
-7,859
Closed -$27K – 3232
2020
Q2
$27K Buy
+7,859
New +$26.8K ﹤0.01% 3033
2017
Q1
– Sell
-407,395
Closed -$1.56M – 3050
2016
Q4
$1.56M Buy
+407,395
New +$2.96M ﹤0.01% 1942

Other funds holding PACB

Russell Investments Group's PACB Position: Q2 2026 in Review

Russell Investments Group increased its Pacific Biosciences (PACB) stake by 27% in Q2 2026, buying an estimated $185K and bringing the position to 596,843 shares worth $1M. The position accounts for ﹤0.01% of the portfolio, ranked #2463.

Russell Investments Group first reported a position in PACB in Q4 2016 and has held it in 20 quarters since. The position peaked at $13.7M in Q1 2021. 223 funds tracked by Wall St. Rank hold PACB as of Q2 2026.

  • Russell Investments Group held 596,843 shares of Pacific Biosciences worth $1M as of Q2 2026.
  • Russell Investments Group bought 126,968 Pacific Biosciences shares in Q2 2026, an estimated $185K.
  • Pacific Biosciences made up ﹤0.01% of Russell Investments Group's portfolio in Q2 2026, its #2463 holding.
  • Russell Investments Group first reported a position in Pacific Biosciences in Q4 2016 and has held it in 20 quarters since.
  • Russell Investments Group's Pacific Biosciences position peaked at $13.7M in Q1 2021.
  • 223 funds tracked by Wall St. Rank held Pacific Biosciences as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.