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GROUP ONE TRADING LLC

Position in ELDN — Eledon Pharmaceuticals, Inc.

CIK 932540 CHICAGO, IL

Position in ELDN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$97,416
+$5,405 QoQ
Shares Held
24,725
-17.2% QoQ
Ownership
0.030%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#79
of 159 holders
Holding Since
Mar 2023
11 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ELDN Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $113,695,832 across 200 Biotechnology names. ELDN ranks #78 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ELDN

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11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $97,416 24,725
2026-03-31 $92,011 29,874
2025-09-30 $10,922 4,217
2025-06-30 $54 20
2025-03-31 $2,003 591
2024-12-31 $2,434 591
2024-03-31 $45 22
2023-12-31 $39 22
2023-09-30 $6,644 4,850
2023-06-30 $8,107 5,918
2023-03-31 $1,416 600