Group One Trading’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
Q1 | $48.6K | Sell |
36,800
-11,500
| -24% | -$20.6K | ﹤0.01% | 5278 |
|
|
2025
Q4 | $90.3K | Sell |
48,300
-69,000
| -59% | -$133K | ﹤0.01% | 5080 |
|
|
2025
Q3 | $150K | Buy |
117,300
+48,300
| +70% | +$65.4K | ﹤0.01% | 4962 |
|
|
2025
Q2 | $85.6K | Buy |
69,000
+28,600
| +71% | +$33K | ﹤0.01% | 5116 |
|
|
2025
Q1 | $47.7K | Sell |
40,400
-471,100
| -92% | -$723K | ﹤0.01% | 5201 |
|
|
2024
Q4 | $936K | Sell |
511,500
-331,700
| -39% | -$647K | ﹤0.01% | 2636 |
|
|
2024
Q3 | $1.43M | Sell |
843,200
-32,500
| -4% | -$53.4K | ﹤0.01% | 2000 |
|
|
2024
Q2 | $1.2M | Buy |
875,700
+655,700
| +298% | +$1.32M | ﹤0.01% | 1843 |
|
|
2024
Q1 | $825K | Sell |
220,000
-66,600
| -23% | -$390K | ﹤0.01% | 2258 |
|
|
2023
Q4 | $2.81M | Sell |
286,600
-108,900
| -28% | -$891K | 0.01% | 1577 |
|
|
2023
Q3 | $3.3M | Sell |
395,500
-25,600
| -6% | -$293K | 0.01% | 1230 |
|
|
2023
Q2 | $5.6M | Buy |
421,100
+76,000
| +22% | +$924K | 0.02% | 874 |
|
|
2023
Q1 | $4M | Sell |
345,100
-407,100
| -54% | -$4.05M | 0.01% | 983 |
|
|
2022
Q4 | $6.15M | Buy |
752,200
+497,000
| +195% | +$4.28M | 0.01% | 1016 |
|
|
2022
Q3 | $1.48M | Buy |
255,200
+163,400
| +178% | +$938K | ﹤0.01% | 2169 |
|
|
2022
Q2 | $406K | Buy |
91,800
+60,300
| +191% | +$366K | ﹤0.01% | 3626 |
|
|
2022
Q1 | $287K | Buy |
31,500
+2,600
| +9% | +$29.9K | ﹤0.01% | 4417 |
|
|
2021
Q4 | $591K | Buy |
28,900
+7,300
| +34% | +$176K | ﹤0.01% | 3930 |
|
|
2021
Q3 | $552K | Sell |
21,600
-115,100
| -84% | -$3.41M | ﹤0.01% | 4077 |
|
|
2021
Q2 | $4.78M | Sell |
136,700
-87,200
| -39% | -$2.54M | 0.01% | 1730 |
|
|
2021
Q1 | $7.46M | Sell |
223,900
-18,700
| -8% | -$655K | 0.01% | 1180 |
|
|
2020
Q4 | $6.29M | Buy |
242,600
+237,000
| +4,232% | +$4.03M | 0.01% | 1125 |
|
|
2020
Q3 | $55K | Sell |
5,600
-96,200
| -94% | -$554K | ﹤0.01% | 4591 |
|
|
2020
Q2 | $351K | Sell |
101,800
-219,800
| -68% | -$748K | ﹤0.01% | 2912 |
|
|
2020
Q1 | $984K | Buy |
321,600
+131,600
| +69% | +$539K | 0.01% | 1534 |
|
|
2019
Q4 | $977K | Sell |
190,000
-13,100
| -6% | -$66.6K | 0.01% | 1902 |
|
|
2019
Q3 | $1.05M | Buy |
203,100
+191,300
| +1,621% | +$1.07M | 0.01% | 1708 |
|
|
2019
Q2 | $71K | Sell |
11,800
-184,900
| -94% | -$1.3M | ﹤0.01% | 3579 |
|
|
2019
Q1 | $1.42M | Sell |
196,700
-28,000
| -12% | -$203K | 0.02% | 1166 |
|
|
2018
Q4 | $1.66M | Buy |
224,700
+175,400
| +356% | +$1.11M | 0.01% | 1147 |
|
|
2018
Q3 | $267K | Sell |
49,300
-34,300
| -41% | -$147K | ﹤0.01% | 2797 |
|
|
2018
Q2 | $297K | Sell |
83,600
-57,400
| -41% | -$159K | ﹤0.01% | 2734 |
|
|
2018
Q1 | $289K | Sell |
141,000
-122,200
| -46% | -$317K | ﹤0.01% | 2498 |
|
|
2017
Q4 | $695K | Buy |
263,200
+38,900
| +17% | +$136K | ﹤0.01% | 1988 |
|
|
2017
Q3 | $1.18M | Buy |
224,300
+147,900
| +194% | +$636K | 0.01% | 1438 |
|
|
2017
Q2 | $272K | Sell |
76,400
-167,400
| -69% | -$675K | ﹤0.01% | 2423 |
|
|
2017
Q1 | $1.26M | Buy |
243,800
+24,300
| +11% | +$119K | 0.01% | 1176 |
|
|
2016
Q4 | $834K | Sell |
219,500
-1,200
| -0.5% | -$8.72K | 0.01% | 1435 |
|
|
2016
Q3 | $1.98M | Buy |
220,700
+7,500
| +4% | +$62.7K | 0.02% | 859 |
|
|
2016
Q2 | $1.5M | Sell |
213,200
-111,100
| -34% | -$1.01M | 0.02% | 980 |
|
|
2016
Q1 | $2.76M | Buy |
324,300
+16,600
| +5% | +$163K | 0.04% | 600 |
|
|
2015
Q4 | $4.04M | Buy |
307,700
+305,700
| +15,285% | +$2.74M | 0.05% | 463 |
|
|
2015
Q3 | $7K | Sell |
2,000
-3,100
| -61% | -$15.2K | ﹤0.01% | 4417 |
|
|
2015
Q2 | $29K | Buy |
5,100
+100
| +2% | +$579 | ﹤0.01% | 3858 |
|
|
2015
Q1 | $29K | Sell |
5,000
-1,500
| -23% | -$10.3K | ﹤0.01% | 3698 |
|
|
2014
Q4 | $51K | Sell |
6,500
-19,800
| -75% | -$127K | ﹤0.01% | 3358 |
|
|
2014
Q3 | $129K | Sell |
26,300
-30,400
| -54% | -$159K | ﹤0.01% | 2773 |
|
|
2014
Q2 | $350K | Buy |
56,700
+19,800
| +54% | +$99.1K | 0.01% | 1941 |
|
|
2014
Q1 | $197K | Buy |
36,900
+16,900
| +85% | +$107K | ﹤0.01% | 2458 |
|
|
2013
Q4 | $105K | Sell |
20,000
-5,600
| -22% | -$25.7K | ﹤0.01% | 2984 |
|
|
2013
Q3 | $142K | Buy |
25,600
+19,600
| +327% | +$68K | ﹤0.01% | 2701 |
|
|
2013
Q2 | $15K | Buy |
+6,000
| New | +$14.9K | ﹤0.01% | 4248 |
|
Other funds holding PACB
AIM
VCM
NAMA
Group One Trading's PACB Position: Q1 2026 in Review
Group One Trading reduced its Pacific Biosciences (PACB) stake by 21% in Q1 2026, selling an estimated $170K and leaving 365,021 shares worth $482K. The position accounts for ﹤0.01% of the portfolio, ranked #3382.
Group One Trading first reported a position in PACB in Q2 2013 and has held it in 42 quarters since. The position peaked at $7.36M in Q4 2020. 229 funds tracked by Wall St. Rank hold PACB as of Q1 2026.
- Group One Trading held 365,021 shares of Pacific Biosciences worth $482K as of Q1 2026.
- Group One Trading sold 95,229 Pacific Biosciences shares in Q1 2026, an estimated $170K.
- Pacific Biosciences made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #3382 holding.
- Group One Trading first reported a position in Pacific Biosciences in Q2 2013 and has held it in 42 quarters since.
- Group One Trading's Pacific Biosciences position peaked at $7.36M in Q4 2020.
- 229 funds tracked by Wall St. Rank held Pacific Biosciences as of Q1 2026.
Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.