Marshall Wace
PRQR icon

Marshall Wace’s ProQR Therapeutics PRQR Stock Holding History

Marshall Wace’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 		$188K Buy
+115,945
New +$190K ﹤0.01% 2800
2025
Q1 		– Sell
-59,515
Closed -$158K – 3004
2024
Q4 		$158K Buy
+59,515
New +$189K ﹤0.01% 2391
2024
Q1 		– Sell
-10,085
Closed -$20K – 2736
2023
Q4 		$20K Sell
10,085
-47,632
-83% -$73.2K ﹤0.01% 2103
2023
Q3 		$75K Sell
57,717
-251,742
-81% -$396K ﹤0.01% 2059
2023
Q2 		$501K Sell
309,459
-317,467
-51% -$620K ﹤0.01% 1986
2023
Q1 		$1.34M Buy
626,926
+206,311
+49% +$631K ﹤0.01% 1673
2022
Q4 		$1.56M Buy
420,615
+347,185
+473% +$455K ﹤0.01% 1860
2022
Q3 		$55K Sell
73,430
-97,742
-57% -$78.5K ﹤0.01% 3236
2022
Q2 		$133K Buy
+171,172
New +$128K ﹤0.01% 3242
2021
Q2 		– Sell
-317,705
Closed -$2.1M – 2997
2021
Q1 		$2.1M Buy
+317,705
New +$1.62M 0.01% 1306
2015
Q4 		– Sell
-64,886
Closed -$945K – 1092
2015
Q3 		$945K Hold
64,886
– – 0.01% 631
2015
Q2 		$1.08M Hold
64,886
– – 0.01% 591
2015
Q1 		$1.42M Buy
64,886
+6,469
+11% +$134K 0.02% 522
2014
Q4 		$1.27M Sell
58,417
-55,259
-49% -$839K 0.02% 538
2014
Q3 		$1.95M Buy
+113,676
New +$1.82M 0.03% 447

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

Marshall Wace's PRQR Position: Q1 2026 in Review

Marshall Wace opened a new position in ProQR Therapeutics (PRQR) in Q1 2026: 115,945 shares worth $188K. The stake represents ﹤0.01% of the portfolio and ranks #2800 among its holdings. This is a return to the name: Marshall Wace previously reported a position in PRQR as recently as Q4 2024.

Marshall Wace first reported a position in PRQR in Q3 2014 and has held it in 15 quarters since. The position peaked at $2.1M in Q1 2021. 69 funds tracked by Wall St. Rank hold PRQR as of Q1 2026.

  • Marshall Wace held 115,945 shares of ProQR Therapeutics worth $188K as of Q1 2026.
  • ProQR Therapeutics was a new Marshall Wace position in Q1 2026.
  • ProQR Therapeutics made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2800 holding.
  • Marshall Wace first reported a position in ProQR Therapeutics in Q3 2014 and has held it in 15 quarters since.
  • Marshall Wace's ProQR Therapeutics position peaked at $2.1M in Q1 2021.
  • 69 funds tracked by Wall St. Rank held ProQR Therapeutics as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.