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 		$2.16K Buy
+100
New +$1.85K ﹤0.01% 8343
2025
Q4 		– Sell
-200
Closed -$3K – 9730
2025
Q3 		$3K Sell
200
-2,700
-93% -$42.7K ﹤0.01% 8544
2025
Q2 		$43K Sell
2,900
-500
-15% -$8.3K ﹤0.01% 6075
2025
Q1 		$54K Buy
3,400
+3,300
+3,300% +$61.5K ﹤0.01% 5695
2024
Q4 		$1K Sell
100
-300
-75% -$5.29K ﹤0.01% 8288
2024
Q3 		$7K Sell
400
-13,600
-97% -$232K ﹤0.01% 7446
2024
Q2 		$156K Sell
14,000
-8,200
-37% -$77.2K ﹤0.01% 4904
2024
Q1 		$193K Buy
22,200
+1,900
+9% +$17.5K ﹤0.01% 4903
2023
Q4 		$248K Buy
+20,300
New +$141K ﹤0.01% 4438
2023
Q3 		– Sell
-200
Closed -$1K – 9559
2023
Q2 		$1K Buy
+200
New +$1.28K ﹤0.01% 8695
2023
Q1 		– Sell
-20,700
Closed -$57K – 9871
2022
Q4 		$57K Buy
+20,700
New +$46.5K ﹤0.01% 5706
2022
Q3 		– Sell
-9,500
Closed -$14K – 10661
2022
Q2 		$14K Buy
9,500
+9,100
+2,275% +$22.9K ﹤0.01% 7975
2022
Q1 		$1K Buy
+400
New +$3.27K ﹤0.01% 10128
2021
Q4 		– Sell
-300
Closed -$6K – 11214
2021
Q3 		$6K Buy
300
+200
+200% +$4.3K ﹤0.01% 9215
2021
Q2 		$1K Buy
100
+99
+9,900% +$1.88K ﹤0.01% 9852
2021
Q1 		$2K Buy
+1
New +$30 ﹤0.01% 8480
2020
Q2 		– Sell
-4
Closed -$2K – 8185
2020
Q1 		$2K Sell
4
-2
-33% -$21 ﹤0.01% 7216
2019
Q4 		$8K Buy
+6
New +$85 ﹤0.01% 6504

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.