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ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in PRQR — ProQR Therapeutics N.V.

CIK 1165408 Boston, MA

Position in PRQR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$16,769,568
+$6,638,952 QoQ
Shares Held
9,015,897
+44.2% QoQ
Ownership
6.39%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#1
of 69 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in PRQR Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $4,240,035,723 across 126 Biotechnology names. PRQR ranks #60 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PRQR

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $16,769,568 9,015,897
2026-03-31 $10,130,616 6,253,467
2025-12-31 $12,632,003 6,253,467
2025-09-30 $13,319,884 6,253,467
2025-06-30 $13,467,953 6,601,938
2025-03-31 $10,775,790 8,102,098
2024-12-31 $25,446,042 9,602,280
2024-09-30 $6,598,349 3,625,467
2024-06-30 $6,018,275 3,625,467
2024-03-31 $8,302,319 3,625,467
2023-12-31 $7,178,424 3,625,467
2023-09-30 $4,713,107 3,625,467
2023-06-30 $5,873,256 3,625,467
2023-03-31 $7,722,244 3,625,467
2022-12-31 $13,414,227 3,625,467
2022-09-30 $2,455,200 3,300,000
2022-06-30 $2,567,400 3,300,000
2022-03-31 $2,986,500 3,300,000
2021-12-31 $37,768,367 4,715,152
2021-09-30 $39,465,822 4,715,152
2021-06-30 $31,640,694 4,694,465
2021-03-31 $31,030,413 4,694,465
2020-12-31 $19,110,260 4,550,062
2020-09-30 $21,794,796 4,550,062
2020-06-30 $27,664,376 4,550,062
2020-03-31 $24,979,840 4,550,062