Skip to main content

GROUP ONE TRADING LLC

Position in PRQR — ProQR Therapeutics N.V.

CIK 932540 CHICAGO, IL

Position in PRQR

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$30,656
-$30,727 QoQ
Shares Held
18,924
-37.7% QoQ
Ownership
0.013%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
16 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 Mar 31, 2026

GROUP ONE TRADING LLC holds $126,618,308 across 210 Biotechnology names. PRQR ranks #115 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PRQR

Export CSV
16 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $30,656 18,924
2025-12-31 $61,383 30,388
2025-06-30 $7,223 3,541
2024-06-30 $6,789 4,090
2024-03-31 $22,190 9,690
2023-12-31 $36,443 18,406
2023-09-30 $12,695 9,766
2023-06-30 $6,305 3,892
2022-09-30 $30,597 41,126
2022-06-30 $46,038 59,176
2022-03-31 $38,161 42,167
2021-12-31 $401,317 50,102
2021-09-30 $6,955 831
2021-06-30 $113,892 16,898
2020-06-30 $34,656 5,700
2020-03-31 $30,853 5,620