Simplex Trading
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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
2026
Q2 		$504 Sell
271
-24,597
-99% -$40.5K ﹤0.01% 8955
2026
Q1 		$40.3K Sell
24,868
-19,401
-44% -$31.8K ﹤0.01% 6105
2025
Q4 		$89.4K Buy
+44,269
New +$103K ﹤0.01% 5108
2025
Q3 		– Sell
-856
Closed -$1.87K – 9841
2025
Q2 		$1K Sell
856
-3,252
-79% -$5.29K ﹤0.01% 8398
2025
Q1 		$5K Sell
4,108
-5,801
-59% -$12.3K ﹤0.01% 7584
2024
Q4 		$26K Buy
+9,909
New +$31.5K ﹤0.01% 6479
2024
Q3 		– Sell
-6,628
Closed -$12.4K – 9340
2024
Q2 		$11K Sell
6,628
-6,922
-51% -$13.4K ﹤0.01% 7380
2024
Q1 		$30K Buy
13,550
+11,756
+655% +$25.1K ﹤0.01% 6758
2023
Q4 		$3K Sell
1,794
-12,895
-88% -$19.8K ﹤0.01% 8130
2023
Q3 		$19K Buy
14,689
+8,159
+125% +$12.8K ﹤0.01% 6676
2023
Q2 		$10K Sell
6,530
-79,622
-92% -$155K ﹤0.01% 7423
2023
Q1 		$183K Buy
86,152
+50,787
+144% +$155K ﹤0.01% 4437
2022
Q4 		$130K Buy
35,365
+32,922
+1,348% +$43.1K ﹤0.01% 4760
2022
Q3 		$1K Buy
2,443
+2,400
+5,581% +$1.93K ﹤0.01% 9610
2022
Q2 		$0 Buy
+43
New +$32 ﹤0.01% 10858
2022
Q1 		– Sell
-16,291
Closed -$54.6K – 11189
2021
Q4 		$130K Buy
+16,291
New +$124K ﹤0.01% 5835
2021
Q2 		– Sell
-122,183
Closed -$788K – 10570
2021
Q1 		$807K Buy
122,183
+119,196
+3,990% +$609K ﹤0.01% 2685
2020
Q4 		$12K Buy
2,987
+2,971
+18,569% +$12.5K ﹤0.01% 7305
2020
Q3 		$0 Sell
16
-1,837
-99% -$9.61K ﹤0.01% 8342
2020
Q2 		$11K Sell
1,853
-22,631
-92% -$122K ﹤0.01% 6606
2020
Q1 		$134K Buy
+24,484
New +$188K ﹤0.01% 4060
2019
Q4 		– Sell
-100
Closed – – 7838
2019
Q3 		$0 Buy
+100
New +$799 ﹤0.01% 7750
2019
Q2 		– Sell
-52
Closed – – 7627
2019
Q1 		$0 Buy
+52
New +$777 ﹤0.01% 7703

Other funds holding PRQR

Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return
AAA
Affinity Asset Advisors New York $2.21B AUM 431.26% 1-Year Est. Return
PFM
Privium Fund Management Amsterdam, Netherlands $544M AUM 72.49% 1-Year Est. Return
IC
Ikarian Capital Dallas, Texas $928M AUM 596.14% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return
HCM
Heights Capital Management San Francisco, California $433M AUM 8.59% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
SFM
Sphera Funds Management Tel Aviv, Israel $767M AUM 119.71% 1-Year Est. Return
KCM
Kynam Capital Management Princeton, New Jersey $1.81B AUM 192.15% 1-Year Est. Return

Simplex Trading's PRQR Position: Q2 2026 in Review

Simplex Trading reduced its ProQR Therapeutics (PRQR) stake by 99% in Q2 2026, selling an estimated $40.5K and leaving 271 shares worth $504. The position accounts for ﹤0.01% of the portfolio, ranked #8955.

Simplex Trading first reported a position in PRQR in Q1 2019 and has held it in 23 quarters since. The position peaked at $807K in Q1 2021. 70 funds tracked by Wall St. Rank hold PRQR as of Q2 2026.

  • Simplex Trading held 271 shares of ProQR Therapeutics worth $504 as of Q2 2026.
  • Simplex Trading sold 24,597 ProQR Therapeutics shares in Q2 2026, an estimated $40.5K.
  • ProQR Therapeutics made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #8955 holding.
  • Simplex Trading first reported a position in ProQR Therapeutics in Q1 2019 and has held it in 23 quarters since.
  • Simplex Trading's ProQR Therapeutics position peaked at $807K in Q1 2021.
  • 70 funds tracked by Wall St. Rank held ProQR Therapeutics as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.