Simplex Trading
PRQR icon

Simplex Trading’s ProQR Therapeutics PRQR Stock Holding History

Simplex Trading’s Portfolio PRQR Stock Details PRQR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-6,900
Closed -$9K – 9520
2025
Q1 		$9K Hold
6,900
– – ﹤0.01% 7193
2024
Q4 		$18K Buy
6,900
+5,000
+263% +$15.9K ﹤0.01% 6772
2024
Q3 		$3K Hold
1,900
– – ﹤0.01% 7876
2024
Q2 		$3K Buy
1,900
+300
+19% +$582 ﹤0.01% 8145
2024
Q1 		$3K Buy
1,600
+600
+60% +$1.28K ﹤0.01% 8297
2023
Q4 		$1K Sell
1,000
-6,500
-87% -$9.99K ﹤0.01% 8558
2023
Q3 		$9K Sell
7,500
-4,700
-39% -$7.39K ﹤0.01% 7265
2023
Q2 		$19K Sell
12,200
-123,900
-91% -$242K ﹤0.01% 6841
2023
Q1 		$289K Buy
136,100
+105,400
+343% +$322K ﹤0.01% 3880
2022
Q4 		$113K Buy
30,700
+29,300
+2,093% +$38.4K ﹤0.01% 4935
2022
Q3 		$1K Buy
+1,400
New +$1.12K ﹤0.01% 9611
2022
Q2 		– Sell
-2,800
Closed -$2K – 10859
2022
Q1 		$2K Sell
2,800
-3,000
-52% -$10.1K ﹤0.01% 9910
2021
Q4 		$46K Sell
5,800
-34,400
-86% -$262K ﹤0.01% 7372
2021
Q3 		$266K Hold
40,200
– – ﹤0.01% 5100
2021
Q2 		$270K Buy
40,200
+39,308
+4,407% +$253K ﹤0.01% 5166
2021
Q1 		$589K Buy
+892
New +$4.56K ﹤0.01% 3137
2020
Q4 		– Sell
-4
Closed -$1K – 8907
2020
Q3 		$1K Buy
+4
New +$21 ﹤0.01% 7584
2020
Q2 		– Sell
-16
Closed -$8K – 8198
2020
Q1 		$8K Buy
+16
New +$123 ﹤0.01% 6613
2019
Q2 		– Sell
-20
Closed -$27K – 7628
2019
Q1 		$27K Buy
+20
New +$299 ﹤0.01% 5499

Other funds holding PRQR

Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
PFM
Privium Fund Management Amsterdam, Netherlands $480M AUM 77.45% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $61.9B AUM 29.81% 1-Year Est. Return
AAA
Affinity Asset Advisors New York $1.94B AUM 374.45% 1-Year Est. Return
SCM
Sio Capital Management New York $697M AUM 79.73% 1-Year Est. Return
DCM
DAFNA Capital Management Los Angeles, California $440M AUM 109.12% 1-Year Est. Return
KCM
Kynam Capital Management Princeton, New Jersey $1.62B AUM 138.67% 1-Year Est. Return
IC
Ikarian Capital Dallas, Texas $1.23B AUM 600.17% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
PIM
Platinum Investment Management Sydney Australia 2000, Australia $397M AUM 63.96% 1-Year Est. Return

Simplex Trading's PRQR Position: Q1 2026 in Review

Simplex Trading reduced its ProQR Therapeutics (PRQR) stake by 44% in Q1 2026, selling an estimated $31.8K and leaving 24,868 shares worth $40.3K. The position accounts for ﹤0.01% of the portfolio, ranked #6105.

Simplex Trading first reported a position in PRQR in Q1 2019 and has held it in 22 quarters since. The position peaked at $807K in Q1 2021. 69 funds tracked by Wall St. Rank hold PRQR as of Q1 2026.

  • Simplex Trading held 24,868 shares of ProQR Therapeutics worth $40.3K as of Q1 2026.
  • Simplex Trading sold 19,401 ProQR Therapeutics shares in Q1 2026, an estimated $31.8K.
  • ProQR Therapeutics made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #6105 holding.
  • Simplex Trading first reported a position in ProQR Therapeutics in Q1 2019 and has held it in 22 quarters since.
  • Simplex Trading's ProQR Therapeutics position peaked at $807K in Q1 2021.
  • 69 funds tracked by Wall St. Rank held ProQR Therapeutics as of Q1 2026.

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