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SUSQUEHANNA INTERNATIONAL GROUP, LLP

Position in IRON — Disc Medicine, Inc.

CIK 1446194 BALA CYNWYD, PA

Position in IRON

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$213,129
-$771,930 QoQ
Shares Held
2,914
-81.1% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#159
of 216 holders
Holding Since
Mar 2021
21 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in IRON Over Time

Shares Held

Position Value (USD)

Derivatives in IRON

reported options exposure · as of Jun 30, 2026
CallValue
$5,383,104
CallShares
73,600
PutValue
$365,700
PutShares
5,000

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Jun 30, 2026

SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $1,649,997,309 across 349 Biotechnology names. IRON ranks #225 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in IRON

Export CSV
42 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,383,104 73,600
2026-06-30 $365,700 5,000
2026-06-30 $213,129 2,914
2026-03-31 $2,346,598 36,700
2026-03-31 $985,059 15,406
2026-03-31 $1,035,828 16,200
2025-12-31 $1,627,905 20,500
2025-12-31 $1,929,663 24,300
2025-12-31 $739,227 9,309
2025-09-30 $2,155,331 32,617
2025-09-30 $475,776 7,200
2025-06-30 $4,024,801 75,997
2025-03-31 $307,768 6,200
2025-03-31 $3,521,511 70,941
2024-12-31 $1,229,960 19,400
2024-12-31 $1,826,363 28,807
2024-12-31 $1,458,200 23,000
2024-09-30 $211,302 4,300
2024-09-30 $449,925 9,156
2024-09-30 $314,496 6,400
2024-06-30 $626,833 13,908
2024-06-30 $211,829 4,700
2024-03-31 $777,751 12,492
2024-03-31 $3,710,696 59,600
2024-03-31 $1,687,246 27,100
2023-12-31 $2,893,776 50,100
2023-12-31 $397,504 6,882
2023-06-30 $211,210 4,757
2023-03-31 $788,543 37,213
2022-12-31 $367,965 18,500
2022-09-30 GMTX 16,600
2022-06-30 GMTX 29,002
2022-06-30 GMTX 14,600
2022-03-31 GMTX 16,633
2021-12-31 GMTX 15,700
2021-12-31 GMTX 46,155
2021-09-30 GMTX 100,332
2021-09-30 GMTX 70,900
2021-09-30 GMTX 17,400
2021-06-30 GMTX 21,200
2021-06-30 GMTX 54,826
2021-03-31 GMTX 43,361