JY
PRQR icon

Jeff Yass’s ProQR Therapeutics PRQR Stock Holding History

Jeff Yass’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 		– Sell
-13,700
Closed -$22.2K – 14284
2026
Q1 		$22.2K Sell
13,700
-300
-2% -$492 ﹤0.01% 12842
2025
Q4 		$28.3K Buy
+14,000
New +$32.7K ﹤0.01% 11890
2025
Q3 		– Sell
-26,000
Closed -$53K – 13591
2025
Q2 		$53K Sell
26,000
-500
-2% -$813 ﹤0.01% 12091
2025
Q1 		$35.2K Buy
26,500
+16,100
+155% +$34.3K ﹤0.01% 11970
2024
Q4 		$27.6K Sell
10,400
-27,000
-72% -$85.7K ﹤0.01% 11857
2024
Q3 		$68.1K Buy
37,400
+13,000
+53% +$24.4K ﹤0.01% 11252
2024
Q2 		$40.5K Buy
24,400
+7,900
+48% +$15.3K ﹤0.01% 11490
2024
Q1 		$37.5K Buy
+16,500
New +$35.3K ﹤0.01% 11648
2023
Q3 		– Sell
-86,600
Closed -$140K – 12762
2023
Q2 		$140K Sell
86,600
-73,700
-46% -$144K ﹤0.01% 10639
2023
Q1 		$341K Buy
160,300
+105,000
+190% +$321K ﹤0.01% 9447
2022
Q4 		$205K Buy
55,300
+39,400
+248% +$51.6K ﹤0.01% 10069
2022
Q3 		$12K Sell
15,900
-27,300
-63% -$21.9K ﹤0.01% 12743
2022
Q2 		$34K Buy
43,200
+11,000
+34% +$8.2K ﹤0.01% 12164
2022
Q1 		$29K Buy
+32,200
New +$108K ﹤0.01% 12516

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

Jeff Yass's PRQR Position: Q2 2026 in Review

Jeff Yass sold out of ProQR Therapeutics (PRQR) in Q2 2026, closing a stake of 12,206 shares — an estimated $19.8K sold.

Jeff Yass first reported a position in PRQR in Q4 2017 and held it in 19 quarters. The position peaked at $1.07M in Q3 2021. 70 funds tracked by Wall St. Rank hold PRQR as of Q2 2026.

  • Jeff Yass reported no remaining ProQR Therapeutics position as of Q2 2026 after selling out during the quarter.
  • Jeff Yass sold 12,206 ProQR Therapeutics shares in Q2 2026, an estimated $19.8K.
  • Jeff Yass first reported a position in ProQR Therapeutics in Q4 2017 and held it in 19 quarters.
  • Jeff Yass's ProQR Therapeutics position peaked at $1.07M in Q3 2021.
  • 70 funds tracked by Wall St. Rank held ProQR Therapeutics as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.