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
2026
Q1 		$30.7K Sell
18,924
-11,464
-38% -$18.8K ﹤0.01% 5654
2025
Q4 		$61.4K Buy
+30,388
New +$71K ﹤0.01% 5418
2025
Q3 		– Sell
-3,541
Closed -$7.74K – 8989
2025
Q2 		$7.22K Buy
+3,541
New +$5.76K ﹤0.01% 6910
2024
Q3 		– Sell
-4,090
Closed -$7.68K – 7218
2024
Q2 		$6.79K Sell
4,090
-5,600
-58% -$10.9K ﹤0.01% 5828
2024
Q1 		$22K Sell
9,690
-8,716
-47% -$18.6K ﹤0.01% 5346
2023
Q4 		$36.4K Buy
18,406
+8,640
+88% +$13.3K ﹤0.01% 5311
2023
Q3 		$12.7K Buy
9,766
+5,874
+151% +$9.24K ﹤0.01% 6200
2023
Q2 		$6.3K Buy
+3,892
New +$7.6K ﹤0.01% 6614
2022
Q4 		– Sell
-41,126
Closed -$53.9K – 7917
2022
Q3 		$31K Sell
41,126
-18,050
-31% -$14.5K ﹤0.01% 5787
2022
Q2 		$46K Buy
59,176
+17,009
+40% +$12.7K ﹤0.01% 5637
2022
Q1 		$38K Sell
42,167
-7,935
-16% -$26.6K ﹤0.01% 6318
2021
Q4 		$401K Buy
50,102
+49,271
+5,929% +$375K ﹤0.01% 4380
2021
Q3 		$7K Sell
831
-16,067
-95% -$105K ﹤0.01% 7642
2021
Q2 		$114K Buy
+16,898
New +$109K ﹤0.01% 5828
2020
Q3 		– Sell
-5,700
Closed -$29.8K – 6464
2020
Q2 		$35K Buy
5,700
+80
+1% +$432 ﹤0.01% 4571
2020
Q1 		$31K Sell
5,620
-26,284
-82% -$202K ﹤0.01% 4009
2019
Q4 		$316K Buy
31,904
+23,784
+293% +$185K ﹤0.01% 2822
2019
Q3 		$47K Buy
+8,120
New +$64.8K ﹤0.01% 4001

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.