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 		$181 Buy
+300
New +$226 ﹤0.01% 8842
2025
Q4 		– Sell
-6,300
Closed -$6K – 9688
2025
Q3 		$6K Sell
6,300
-19,100
-75% -$22.5K ﹤0.01% 8216
2025
Q2 		$33K Buy
+25,400
New +$34.5K ﹤0.01% 6320
2025
Q1 		– Sell
-6,900
Closed -$11K – 9372
2024
Q4 		$11K Sell
6,900
-8,000
-54% -$21.2K ﹤0.01% 7137
2024
Q3 		$56K Buy
14,900
+4,200
+39% +$14K ﹤0.01% 5788
2024
Q2 		$31K Sell
10,700
-800
-7% -$2.56K ﹤0.01% 6540
2024
Q1 		$45K Sell
11,500
-10,200
-47% -$52.5K ﹤0.01% 6360
2023
Q4 		$107K Sell
21,700
-4,000
-16% -$19.9K ﹤0.01% 5314
2023
Q3 		$129K Buy
25,700
+15,000
+140% +$82.2K ﹤0.01% 4830
2023
Q2 		$53K Sell
10,700
-13,400
-56% -$87.8K ﹤0.01% 5800
2023
Q1 		$148K Sell
24,100
-78,700
-77% -$644K ﹤0.01% 4687
2022
Q4 		$1.36M Buy
102,800
+30,000
+41% +$212K ﹤0.01% 2187
2022
Q3 		$216K Buy
72,800
+5,800
+9% +$24.6K ﹤0.01% 4511
2022
Q2 		$244K Buy
67,000
+12,300
+22% +$58.5K ﹤0.01% 4370
2022
Q1 		$338K Buy
+54,700
New +$340K ﹤0.01% 4374
2021
Q4 		– Sell
-11,000
Closed -$136K – 11186
2021
Q3 		$136K Buy
11,000
+400
+4% +$4.99K ﹤0.01% 6180
2021
Q2 		$133K Buy
+10,600
New +$82.8K ﹤0.01% 6317

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.