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Palo Alto Investors’s ProQR Therapeutics PRQR Stock Holding History

Palo Alto Investors’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 		$306K Hold
188,807
– – 0.05% 50
2025
Q4 		$381K Hold
188,807
– – 0.05% 47
2025
Q3 		$402K Buy
+188,807
New +$413K 0.07% 42

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 $71.2B AUM 41.74% 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

Palo Alto Investors's PRQR Position: Q1 2026 in Review

Palo Alto Investors held its ProQR Therapeutics (PRQR) position steady in Q1 2026 at 188,807 shares worth $306K. The position accounts for 0.05% of the portfolio, ranked #50.

Palo Alto Investors first reported a position in PRQR in Q3 2025 and has held it in 3 quarters since. The position peaked at $402K in Q3 2025. 69 funds tracked by Wall St. Rank hold PRQR as of Q1 2026.

  • Palo Alto Investors held 188,807 shares of ProQR Therapeutics worth $306K as of Q1 2026.
  • Palo Alto Investors left its ProQR Therapeutics share count unchanged in Q1 2026.
  • ProQR Therapeutics made up 0.05% of Palo Alto Investors's portfolio in Q1 2026, its #50 holding.
  • Palo Alto Investors first reported a position in ProQR Therapeutics in Q3 2025 and has held it in 3 quarters since.
  • Palo Alto Investors's ProQR Therapeutics position peaked at $402K in Q3 2025.
  • 69 funds tracked by Wall St. Rank held ProQR Therapeutics as of Q1 2026.

Based on Palo Alto Investors's 13F filing for Q1 2026, filed 15 May 2026.