Simplex 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
Q2 | $110K | Sell |
65,659
-43,357
| -40% | -$63K | ﹤0.01% | 5428 |
|
|
2026
Q1 | $144K | Buy |
+109,016
| New | +$195K | ﹤0.01% | 4675 |
|
|
2025
Q4 | – | Sell |
-71,768
| Closed | -$91K | – | 9667 |
|
|
2025
Q3 | $91K | Sell |
71,768
-45,757
| -39% | -$62K | ﹤0.01% | 5854 |
|
|
2025
Q2 | $145K | Buy |
117,525
+116,763
| +15,323% | +$135K | ﹤0.01% | 4844 |
|
|
2025
Q1 | $0 | Sell |
762
-80,260
| -99% | -$123K | ﹤0.01% | 9353 |
|
|
2024
Q4 | $148K | Buy |
+81,022
| New | +$158K | ﹤0.01% | 4802 |
|
|
2024
Q2 | – | Sell |
-33,006
| Closed | -$66.7K | – | 9549 |
|
|
2024
Q1 | $123K | Sell |
33,006
-293,785
| -90% | -$1.72M | ﹤0.01% | 5372 |
|
|
2023
Q4 | $3.21M | Buy |
326,791
+84,556
| +35% | +$692K | ﹤0.01% | 1939 |
|
|
2023
Q3 | $2.02M | Buy |
242,235
+71,792
| +42% | +$820K | ﹤0.01% | 2060 |
|
|
2023
Q2 | $2.27M | Buy |
+170,443
| New | +$2.07M | ﹤0.01% | 1878 |
|
|
2023
Q1 | – | Sell |
-151,610
| Closed | -$1.51M | – | 9841 |
|
|
2022
Q4 | $1.24M | Buy |
+151,610
| New | +$1.31M | ﹤0.01% | 2264 |
|
|
2022
Q2 | – | Sell |
-5,150
| Closed | -$31.3K | – | 10779 |
|
|
2022
Q1 | $46K | Sell |
5,150
-8,347
| -62% | -$96.1K | ﹤0.01% | 7249 |
|
|
2021
Q4 | $276K | Sell |
13,497
-45,811
| -77% | -$1.11M | ﹤0.01% | 4695 |
|
|
2021
Q3 | $2.04M | Sell |
59,308
-2,107
| -3% | -$62.4K | ﹤0.01% | 2114 |
|
|
2021
Q2 | $2.15M | Buy |
61,415
+17,357
| +39% | +$505K | ﹤0.01% | 2068 |
|
|
2021
Q1 | $0 | Buy |
44,058
+43,808
| +17,523% | +$1.53M | ﹤0.01% | 9716 |
|
|
2020
Q4 | $6K | Sell |
250
-17,069
| -99% | -$290K | ﹤0.01% | 7661 |
|
|
2020
Q3 | $170K | Buy |
17,319
+13,991
| +420% | +$80.5K | ﹤0.01% | 4316 |
|
|
2020
Q2 | $11K | Buy |
3,328
+2,728
| +455% | +$9.29K | ﹤0.01% | 6603 |
|
|
2020
Q1 | $1K | Buy |
+600
| New | +$2.46K | ﹤0.01% | 7385 |
|
|
2019
Q1 | – | Sell |
-8,045
| Closed | -$58.2K | – | 7664 |
|
|
2018
Q4 | $59K | Buy |
+8,045
| New | +$51K | ﹤0.01% | 4371 |
|
|
2018
Q3 | – | Sell |
-9,135
| Closed | -$39.2K | – | 7875 |
|
|
2018
Q2 | $32K | Buy |
+9,135
| New | +$25.3K | ﹤0.01% | 5484 |
|
|
2018
Q1 | – | Sell |
-20,976
| Closed | -$54.5K | – | 6667 |
|
|
2017
Q4 | $55K | Buy |
+20,976
| New | +$73.4K | ﹤0.01% | 2359 |
|
|
2017
Q3 | – | Sell |
-16,310
| Closed | -$70.1K | – | 6429 |
|
|
2017
Q2 | $58K | Buy |
+16,310
| New | +$65.8K | ﹤0.01% | 2255 |
|
|
2017
Q1 | – | Sell |
-2,516
| Closed | -$12.3K | – | 6625 |
|
|
2016
Q4 | $9K | Sell |
2,516
-26,786
| -91% | -$195K | ﹤0.01% | 3848 |
|
|
2016
Q3 | $262K | Sell |
29,302
-14,057
| -32% | -$118K | 0.02% | 851 |
|
|
2016
Q2 | $305K | Buy |
43,359
+16,365
| +61% | +$149K | 0.02% | 760 |
|
|
2016
Q1 | $229K | Sell |
26,994
-9,943
| -27% | -$97.8K | 0.02% | 806 |
|
|
2015
Q4 | $484K | Buy |
+36,937
| New | +$331K | 0.04% | 448 |
|
|
2015
Q3 | – | Sell |
-1,275
| Closed | -$6.23K | – | 6008 |
|
|
2015
Q2 | $7K | Sell |
1,275
-23,426
| -95% | -$136K | ﹤0.01% | 3393 |
|
|
2015
Q1 | $144K | Buy |
+24,701
| New | +$170K | 0.02% | 879 |
|
Other funds holding PACB
AIM
NAMA
Simplex Trading's PACB Position: Q2 2026 in Review
Simplex Trading reduced its Pacific Biosciences (PACB) stake by 40% in Q2 2026, selling an estimated $63K and leaving 65,659 shares worth $110K. The position accounts for ﹤0.01% of the portfolio, ranked #5428.
Simplex Trading first reported a position in PACB in Q1 2015 and has held it in 31 quarters since. The position peaked at $3.21M in Q4 2023. 223 funds tracked by Wall St. Rank hold PACB as of Q2 2026.
- Simplex Trading held 65,659 shares of Pacific Biosciences worth $110K as of Q2 2026.
- Simplex Trading sold 43,357 Pacific Biosciences shares in Q2 2026, an estimated $63K.
- Pacific Biosciences made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #5428 holding.
- Simplex Trading first reported a position in Pacific Biosciences in Q1 2015 and has held it in 31 quarters since.
- Simplex Trading's Pacific Biosciences position peaked at $3.21M in Q4 2023.
- 223 funds tracked by Wall St. Rank held Pacific Biosciences as of Q2 2026.
Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.