Group One Trading
PRQR icon

Group One Trading’s ProQR Therapeutics PRQR Stock Holding History

Group One 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
Q3 		– Sell
-10,000
Closed -$20.4K – 8990
2025
Q2 		$20.4K Sell
10,000
-2,500
-20% -$4.07K ﹤0.01% 6254
2025
Q1 		$16.6K Sell
12,500
-17,500
-58% -$37.3K ﹤0.01% 5939
2024
Q4 		$79.5K Buy
30,000
+14,900
+99% +$47.3K ﹤0.01% 4702
2024
Q3 		$27.5K Sell
15,100
-8,000
-35% -$15K ﹤0.01% 5054
2024
Q2 		$38.3K Sell
23,100
-3,500
-13% -$6.8K ﹤0.01% 4727
2024
Q1 		$60.4K Buy
26,600
+6,600
+33% +$14.1K ﹤0.01% 4557
2023
Q4 		$39.6K Sell
20,000
-16,800
-46% -$25.8K ﹤0.01% 5243
2023
Q3 		$47.8K Sell
36,800
-3,700
-9% -$5.82K ﹤0.01% 5133
2023
Q2 		$65.6K Sell
40,500
-89,000
-69% -$174K ﹤0.01% 5022
2023
Q1 		$276K Buy
129,500
+75,900
+142% +$232K ﹤0.01% 3367
2022
Q4 		$198K Buy
+53,600
New +$70.2K ﹤0.01% 3869
2022
Q3 		– Sell
-10,800
Closed -$8K – 8083
2022
Q2 		$8K Sell
10,800
-7,700
-42% -$5.74K ﹤0.01% 6883
2022
Q1 		$17K Buy
18,500
+18,200
+6,067% +$61K ﹤0.01% 6871
2021
Q4 		$2K Buy
300
+100
+50% +$761 ﹤0.01% 7896
2021
Q3 		$2K Sell
200
-6,700
-97% -$43.8K ﹤0.01% 7958
2021
Q2 		$47K Sell
6,900
-28,500
-81% -$184K ﹤0.01% 6644
2021
Q1 		$234K Buy
+35,400
New +$181K ﹤0.01% 4865
2020
Q3 		– Sell
-300
Closed -$2K – 6465
2020
Q2 		$2K Sell
300
-2,200
-88% -$11.9K ﹤0.01% 5569
2020
Q1 		$14K Buy
2,500
+1,000
+67% +$7.67K ﹤0.01% 4425
2019
Q4 		$15K Buy
+1,500
New +$11.7K ﹤0.01% 4463

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

Group One Trading's PRQR Position: Q1 2026 in Review

Group One Trading reduced its ProQR Therapeutics (PRQR) stake by 38% in Q1 2026, selling an estimated $18.8K and leaving 18,924 shares worth $30.7K. The position accounts for ﹤0.01% of the portfolio, ranked #5654.

Group One Trading first reported a position in PRQR in Q3 2019 and has held it in 18 quarters since. The position peaked at $401K in Q4 2021. 69 funds tracked by Wall St. Rank hold PRQR as of Q1 2026.

  • Group One Trading held 18,924 shares of ProQR Therapeutics worth $30.7K as of Q1 2026.
  • Group One Trading sold 11,464 ProQR Therapeutics shares in Q1 2026, an estimated $18.8K.
  • ProQR Therapeutics made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #5654 holding.
  • Group One Trading first reported a position in ProQR Therapeutics in Q3 2019 and has held it in 18 quarters since.
  • Group One Trading's ProQR Therapeutics position peaked at $401K in Q4 2021.
  • 69 funds tracked by Wall St. Rank held ProQR Therapeutics as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.