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GROUP ONE TRADING LLC

Position in RMTI — Rockwell Medical, Inc.

CIK 932540 CHICAGO, IL

Position in RMTI

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$254
-$6 QoQ
Shares Held
46
+58.6% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#29
of 36 holders
Holding Since
Mar 2020
17 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in RMTI Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $38,914,322 across 31 Drug Manufacturers - Specialty & Generic names. RMTI ranks #26 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RMTI

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17 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $254 463
2026-03-31 $260 293
2025-12-31 $9 12
2025-09-30 $14 12
2024-06-30 $506 288
2024-03-31 $478 288
2023-06-30 $17,739 3,249
2023-03-31 $4,338 2,397
2022-12-31 $2,319 2,297
2022-09-30 $2,102 1,593
2022-06-30 $5,645 4,376
2022-03-31 $25,738 54,762
2021-03-31 $42,156 36,342
2020-12-31 $61,518 60,909
2020-09-30 $61,649 57,616
2020-06-30 $62,045 31,818
2020-03-31 $141,573 69,060