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Platinum Investment Management’s ProQR Therapeutics PRQR Stock Holding History

Platinum Investment Management’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 		$2.16M Sell
1,159,428
-76,086
-6% -$125K 0.53% 63
2026
Q1 		$2M Hold
1,235,514
– – 0.5% 64
2025
Q4 		$2.5M Hold
1,235,514
– – 0.58% 57
2025
Q3 		$2.63M Sell
1,235,514
-215,455
-15% -$471K 0.17% 58
2025
Q2 		$2.96M Sell
1,450,969
-87,278
-6% -$142K 0.2% 49
2025
Q1 		$2.05M Hold
1,538,247
– – 0.12% 53
2024
Q4 		$4.08M Buy
+1,538,247
New +$4.88M 0.24% 43

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

Platinum Investment Management's PRQR Position: Q2 2026 in Review

Platinum Investment Management reduced its ProQR Therapeutics (PRQR) stake by 6.2% in Q2 2026, selling an estimated $125K and leaving 1,159,428 shares worth $2.16M. The position accounts for 0.53% of the portfolio, ranked #63.

Platinum Investment Management first reported a position in PRQR in Q4 2024 and has held it in 7 quarters since. The position peaked at $4.08M in Q4 2024. 70 funds tracked by Wall St. Rank hold PRQR as of Q2 2026.

  • Platinum Investment Management held 1,159,428 shares of ProQR Therapeutics worth $2.16M as of Q2 2026.
  • Platinum Investment Management sold 76,086 ProQR Therapeutics shares in Q2 2026, an estimated $125K.
  • ProQR Therapeutics made up 0.53% of Platinum Investment Management's portfolio in Q2 2026, its #63 holding.
  • Platinum Investment Management first reported a position in ProQR Therapeutics in Q4 2024 and has held it in 7 quarters since.
  • Platinum Investment Management's ProQR Therapeutics position peaked at $4.08M in Q4 2024.
  • 70 funds tracked by Wall St. Rank held ProQR Therapeutics as of Q2 2026.

Based on Platinum Investment Management's 13F filing for Q2 2026, filed 13 Aug 2026.