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
2025
Q2 		– Sell
-1,600
Closed -$1K – 9477
2025
Q1 		$1K Hold
1,600
– – ﹤0.01% 8278
2024
Q4 		$2K Sell
1,600
-300
-16% -$794 ﹤0.01% 8055
2024
Q3 		$7K Sell
1,900
-9,900
-84% -$33K ﹤0.01% 7444
2024
Q2 		$34K Sell
11,800
-26,700
-69% -$85.4K ﹤0.01% 6456
2024
Q1 		$152K Sell
38,500
-19,900
-34% -$103K ﹤0.01% 5139
2023
Q4 		$290K Buy
58,400
+22,000
+60% +$109K ﹤0.01% 4266
2023
Q3 		$183K Sell
36,400
-1,100
-3% -$6.03K ﹤0.01% 4442
2023
Q2 		$188K Buy
37,500
+32,500
+650% +$213K ﹤0.01% 4365
2023
Q1 		$30K Sell
5,000
-13,900
-74% -$114K ﹤0.01% 6495
2022
Q4 		$249K Buy
18,900
+18,100
+2,263% +$128K ﹤0.01% 3957
2022
Q3 		$2K Sell
800
-12,600
-94% -$53.5K ﹤0.01% 9328
2022
Q2 		$48K Buy
13,400
+700
+6% +$3.33K ﹤0.01% 6553
2022
Q1 		$78K Buy
12,700
+12,400
+4,133% +$77K ﹤0.01% 6498
2021
Q4 		$2K Sell
300
-6,300
-95% -$67.8K ﹤0.01% 10027
2021
Q3 		$81K Hold
6,600
– – ﹤0.01% 6916
2021
Q2 		$82K Buy
+6,600
New +$51.5K ﹤0.01% 7019
2018
Q2 		– Sell
-1
Closed -$9K – 7757
2018
Q1 		$9K Buy
+1
New +$269 ﹤0.01% 4147

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.