Simplex Trading
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Simplex Trading’s PDS Biotechnology PDSB Stock Holding History

Simplex Trading’s Portfolio PDSB Stock Details PDSB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$163 Sell
271
-18,835
-99% -$14.2K ﹤0.01% 8848
2025
Q4 		$14.7K Buy
19,106
+6,701
+54% +$6.04K ﹤0.01% 6731
2025
Q3 		$12K Buy
+12,405
New +$14.6K ﹤0.01% 7766
2025
Q2 		– Sell
-7,898
Closed -$10.7K – 9476
2025
Q1 		$9K Sell
7,898
-369
-4% -$525 ﹤0.01% 7188
2024
Q4 		$13K Buy
8,267
+1,570
+23% +$4.16K ﹤0.01% 7017
2024
Q3 		$25K Sell
6,697
-27,144
-80% -$90.6K ﹤0.01% 6505
2024
Q2 		$99K Buy
33,841
+12,188
+56% +$39K ﹤0.01% 5391
2024
Q1 		$85K Sell
21,653
-3,430
-14% -$17.7K ﹤0.01% 5755
2023
Q4 		$124K Sell
25,083
-16,456
-40% -$81.8K ﹤0.01% 5156
2023
Q3 		$209K Sell
41,539
-1,734
-4% -$9.5K ﹤0.01% 4304
2023
Q2 		$217K Buy
43,273
+30,994
+252% +$203K ﹤0.01% 4210
2023
Q1 		$75K Buy
12,279
+555
+5% +$4.54K ﹤0.01% 5480
2022
Q4 		$154K Buy
+11,724
New +$82.7K ﹤0.01% 4550
2022
Q3 		– Sell
-13,426
Closed -$57K – 10642
2022
Q2 		$49K Buy
+13,426
New +$63.8K ﹤0.01% 6518
2022
Q1 		– Sell
-14,410
Closed -$89.5K – 11146
2021
Q4 		$116K Buy
14,410
+8,136
+130% +$87.5K ﹤0.01% 6012
2021
Q3 		$77K Buy
6,274
+100
+2% +$1.25K ﹤0.01% 6979
2021
Q2 		$77K Buy
+6,174
New +$48.2K ﹤0.01% 7101
2018
Q3 		– Sell
-14
Closed – – 7886
2018
Q2 		$0 Sell
14
-43
-75% -$897 ﹤0.01% 7756
2018
Q1 		$1K Buy
+57
New +$15.3K ﹤0.01% 5731

Other funds holding PDSB

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
William Blair & Company
William Blair & Company Chicago, Illinois $34.9B AUM 18.88% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
IWA
Inspirion Wealth Advisors Libertyville, Illinois $874M AUM 16.23% 1-Year Est. Return
AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

Simplex Trading's PDSB Position: Q1 2026 in Review

Simplex Trading reduced its PDS Biotechnology (PDSB) stake by 99% in Q1 2026, selling an estimated $14.2K and leaving 271 shares worth $163. The position accounts for ﹤0.01% of the portfolio, ranked #8848.

Simplex Trading first reported a position in PDSB in Q1 2018 and has held it in 19 quarters since. The position peaked at $217K in Q2 2023. 41 funds tracked by Wall St. Rank hold PDSB as of Q1 2026.

  • Simplex Trading held 271 shares of PDS Biotechnology worth $163 as of Q1 2026.
  • Simplex Trading sold 18,835 PDS Biotechnology shares in Q1 2026, an estimated $14.2K.
  • PDS Biotechnology made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #8848 holding.
  • Simplex Trading first reported a position in PDS Biotechnology in Q1 2018 and has held it in 19 quarters since.
  • Simplex Trading's PDS Biotechnology position peaked at $217K in Q2 2023.
  • 41 funds tracked by Wall St. Rank held PDS Biotechnology as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.