Simplex Trading
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Simplex Trading’s Pulse Biosciences PLSE Stock Holding History

Simplex Trading’s Portfolio PLSE Stock Details PLSE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$32.4K Sell
1,500
-600
-29% -$11.1K ﹤0.01% 6308
2025
Q4 		$28.8K Buy
2,100
+1,800
+600% +$28K ﹤0.01% 6145
2025
Q3 		$5K Sell
300
-1,500
-83% -$23.7K ﹤0.01% 8336
2025
Q2 		$27K Sell
1,800
-900
-33% -$14.9K ﹤0.01% 6502
2025
Q1 		$43K Sell
2,700
-800
-23% -$14.9K ﹤0.01% 5927
2024
Q4 		$60K Sell
3,500
-7,300
-68% -$129K ﹤0.01% 5688
2024
Q3 		$189K Sell
10,800
-5,600
-34% -$95.5K ﹤0.01% 4571
2024
Q2 		$183K Sell
16,400
-14,800
-47% -$139K ﹤0.01% 4744
2024
Q1 		$271K Buy
31,200
+2,700
+9% +$24.8K ﹤0.01% 4521
2023
Q4 		$348K Sell
28,500
-5,800
-17% -$40.2K ﹤0.01% 4071
2023
Q3 		$138K Buy
34,300
+31,400
+1,083% +$195K ﹤0.01% 4762
2023
Q2 		$20K Sell
2,900
-97,000
-97% -$620K ﹤0.01% 6783
2023
Q1 		$335K Sell
99,900
-23,500
-19% -$70.9K ﹤0.01% 3698
2022
Q4 		$341K Buy
123,400
+83,200
+207% +$187K ﹤0.01% 3589
2022
Q3 		$92K Buy
40,200
+38,200
+1,910% +$62K ﹤0.01% 5645
2022
Q2 		$3K Sell
2,000
-800
-29% -$2.01K ﹤0.01% 9184
2022
Q1 		$13K Buy
2,800
+2,600
+1,300% +$21.3K ﹤0.01% 8673
2021
Q4 		$2K Sell
200
-800
-80% -$15.9K ﹤0.01% 10030
2021
Q3 		$20K Buy
1,000
+300
+43% +$6.45K ﹤0.01% 8448
2021
Q2 		$11K Buy
700
+692
+8,650% +$13.2K ﹤0.01% 9046
2021
Q1 		$18K Sell
8
-5
-38% -$149 ﹤0.01% 7543
2020
Q4 		$31K Buy
13
+11
+550% +$175 ﹤0.01% 6636
2020
Q3 		$2K Sell
2
-6
-75% -$65 ﹤0.01% 7445
2020
Q2 		$8K Sell
8
-53
-87% -$477 ﹤0.01% 6764
2020
Q1 		$43K Sell
61
-18
-23% -$187 ﹤0.01% 5295
2019
Q4 		$105K Buy
79
+69
+690% +$983 ﹤0.01% 4467
2019
Q3 		$15K Sell
10
-29
-74% -$377 ﹤0.01% 6013
2019
Q2 		$51K Sell
39
-34
-47% -$464 ﹤0.01% 4849
2019
Q1 		$128K Buy
73
+4
+6% +$63 ﹤0.01% 4084
2018
Q4 		$79K Buy
69
+64
+1,280% +$774 ﹤0.01% 4079
2018
Q3 		$7K Sell
5
-87
-95% -$1.24K ﹤0.01% 6612
2018
Q2 		$139K Buy
+92
New +$1.56K ﹤0.01% 3901

Other funds holding PLSE

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
PCM
Portolan Capital Management Boston, Massachusetts $1.88B AUM 115.74% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
GAM
Griffin Asset Management New York $887M AUM 21.42% 1-Year Est. Return
LP
LMR Partners London, United Kingdom $45.4B AUM 60.68% 1-Year Est. Return

Simplex Trading's PLSE Position: Q4 2025 in Review

Simplex Trading sold out of Pulse Biosciences (PLSE) in Q4 2025, closing a stake of 205 shares — an estimated $3.19K sold.

Simplex Trading first reported a position in PLSE in Q3 2017 and held it in 22 quarters. The position peaked at $419K in Q4 2023. 82 funds tracked by Wall St. Rank hold PLSE as of Q4 2025.

  • Simplex Trading reported no remaining Pulse Biosciences position as of Q4 2025 after selling out during the quarter.
  • Simplex Trading sold 205 Pulse Biosciences shares in Q4 2025, an estimated $3.19K.
  • Simplex Trading first reported a position in Pulse Biosciences in Q3 2017 and held it in 22 quarters.
  • Simplex Trading's Pulse Biosciences position peaked at $419K in Q4 2023.
  • 82 funds tracked by Wall St. Rank held Pulse Biosciences as of Q4 2025.

Based on Simplex Trading's 13F filing for Q4 2025, filed 11 Feb 2026.