Simplex Trading
PACB icon

Simplex Trading’s Pacific Biosciences PACB Stock Holding History

Simplex Trading’s Portfolio PACB Stock Details PACB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$209K Buy
88,200
+200
+0.2% +$282 ﹤0.01% 4585
2026
Q2 		$148K Sell
88,000
-6,300
-7% -$9.16K ﹤0.01% 5091
2026
Q1 		$124K Buy
+94,300
New +$169K ﹤0.01% 4828
2025
Q4 		– Sell
-82,100
Closed -$105K – 9668
2025
Q3 		$105K Sell
82,100
-27,300
-25% -$37K ﹤0.01% 5679
2025
Q2 		$135K Buy
109,400
+45,600
+71% +$52.7K ﹤0.01% 4931
2025
Q1 		$75K Buy
63,800
+8,000
+14% +$12.3K ﹤0.01% 5382
2024
Q4 		$102K Sell
55,800
-4,100
-7% -$8K ﹤0.01% 5158
2024
Q3 		$101K Buy
59,900
+8,200
+16% +$13.5K ﹤0.01% 5225
2024
Q2 		$70K Sell
51,700
-112,800
-69% -$228K ﹤0.01% 5738
2024
Q1 		$616K Sell
164,500
-181,600
-52% -$1.06M ﹤0.01% 3631
2023
Q4 		$3.4M Sell
346,100
-93,000
-21% -$761K ﹤0.01% 1889
2023
Q3 		$3.67M Buy
439,100
+64,400
+17% +$736K ﹤0.01% 1556
2023
Q2 		$4.98M Buy
374,700
+400
+0.1% +$4.86K ﹤0.01% 1322
2023
Q1 		$4.33M Sell
374,300
-11,400
-3% -$113K ﹤0.01% 1389
2022
Q4 		$3.16M Buy
385,700
+318,500
+474% +$2.74M ﹤0.01% 1527
2022
Q3 		$390K Buy
67,200
+8,600
+15% +$49.3K ﹤0.01% 3760
2022
Q2 		$259K Buy
58,600
+3,900
+7% +$23.7K ﹤0.01% 4292
2022
Q1 		$497K Buy
54,700
+34,900
+176% +$402K ﹤0.01% 3851
2021
Q4 		$405K Sell
19,800
-50,200
-72% -$1.21M ﹤0.01% 4113
2021
Q3 		$2.4M Hold
70,000
– – ﹤0.01% 1926
2021
Q2 		$2.45M Buy
+70,000
New +$2.04M ﹤0.01% 1907
2021
Q1 		– Sell
-1,147
Closed -$2.98M – 9717
2020
Q4 		$2.98M Buy
1,147
+1,126
+5,362% +$19.1K ﹤0.01% 1396
2020
Q3 		$20K Buy
+21
New +$121 ﹤0.01% 6370
2020
Q1 		– Sell
-47
Closed -$24K – 8078
2019
Q4 		$24K Buy
+47
New +$239 ﹤0.01% 5817
2019
Q3 		– Sell
-15
Closed -$9K – 7712
2019
Q2 		$9K Sell
15
-334
-96% -$2.34K ﹤0.01% 6180
2019
Q1 		$252K Sell
349
-271
-44% -$1.96K ﹤0.01% 3364
2018
Q4 		$458K Buy
620
+572
+1,192% +$3.62K ﹤0.01% 2317
2018
Q3 		$25K Buy
48
+19
+66% +$82 ﹤0.01% 5786
2018
Q2 		$10K Buy
29
+10
+53% +$28 ﹤0.01% 6348
2018
Q1 		$1K Sell
19
-202
-91% -$525 ﹤0.01% 5727
2017
Q4 		$46K Buy
+221
New +$774 ﹤0.01% 2535
2017
Q3 		– Sell
-220
Closed -$33K – 6430
2017
Q2 		$33K Sell
220
-26
-11% -$105 ﹤0.01% 2791
2017
Q1 		$18K Buy
246
+200
+435% +$979 ﹤0.01% 3357
2016
Q4 		$6K Sell
46
-444
-91% -$3.23K ﹤0.01% 4209
2016
Q3 		$76K Sell
490
-52
-10% -$435 0.01% 1757
2016
Q2 		$165K Buy
542
+88
+19% +$804 0.01% 1119
2016
Q1 		$122K Sell
454
-274
-38% -$2.7K 0.01% 1197
2015
Q4 		$67K Buy
728
+708
+3,540% +$6.35K 0.01% 1677
2015
Q3 		$2K Buy
+20
New +$98 ﹤0.01% 4688

Other funds holding PACB

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $174B AUM 33.96% 1-Year Est. Return
Capricorn Fund Managers
Capricorn Fund Managers London, United Kingdom $1.06B AUM 45.98% 1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $57.2B AUM 42.49% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $85.7B AUM 51.02% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return
Squarepoint
Squarepoint New York $90.8B AUM 26.98% 1-Year Est. Return
Bourne Lent Asset Management
Bourne Lent Asset Management Pawling, New York $293M AUM 24.01% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $500B AUM 36.84% 1-Year Est. Return
Universal-Beteiligungs- und Servicegesellschaft
Universal-Beteiligungs- und Servicegesellschaft Frankfurt Am Main, Germany $65.3B AUM 33.78% 1-Year Est. Return

Simplex Trading's PACB Position: Q3 2026 in Review

Simplex Trading sold out of Pacific Biosciences (PACB) in Q3 2026, closing a stake of 65,659 shares — an estimated $92.7K sold.

Simplex Trading first reported a position in PACB in Q1 2015 and held it in 31 quarters. The position peaked at $3.2M in Q4 2023. 94 funds tracked by Wall St. Rank hold PACB as of Q3 2026.

  • Simplex Trading reported no remaining Pacific Biosciences position as of Q3 2026 after selling out during the quarter.
  • Simplex Trading sold 65,659 Pacific Biosciences shares in Q3 2026, an estimated $92.7K.
  • Simplex Trading first reported a position in Pacific Biosciences in Q1 2015 and held it in 31 quarters.
  • Simplex Trading's Pacific Biosciences position peaked at $3.2M in Q4 2023.
  • 94 funds tracked by Wall St. Rank held Pacific Biosciences as of Q3 2026.

Based on Simplex Trading's 13F filing for Q3 2026, filed 4 Nov 2026.