Susquehanna International Group’s Disc Medicine IRON Stock Holding History

Susquehanna International Group’s Portfolio IRON Stock Details IRON Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$2.35M	Buy	36,700 +12,400	+51%	+$861K	﹤0.01%	5795
2025 Q4	$1.93M	Buy	+24,300	New	+$2.05M	﹤0.01%	5735
2025 Q1	–	Sell	-23,000	Closed	-$1.46M	–	12958
2024 Q4	$1.46M	Buy	23,000 +16,600	+259%	+$960K	﹤0.01%	6014
2024 Q3	$314K	Buy	6,400 +1,700	+36%	+$79.8K	﹤0.01%	9501
2024 Q2	$212K	Sell	4,700 -22,400	-83%	-$761K	﹤0.01%	10238
2024 Q1	$1.69M	Sell	27,100 -23,000	-46%	-$1.49M	﹤0.01%	5730
2023 Q4	$2.89M	Buy	+50,100	New	+$2.57M	﹤0.01%	4645
2023 Q1	–	Sell	-18,500	Closed	-$368K	–	13025
2022 Q4	$368K	Buy	18,500 +17,947	+3,245%	+$894K	﹤0.01%	8616
2022 Q3	$27K	Buy	+553	New	+$26.1K	﹤0.01%	12488
2021 Q4	–	Sell	-2,363	Closed	-$286K	–	13479
2021 Q3	$286K	Buy	+2,363	New	+$323K	﹤0.01%	10708

Other funds holding IRON

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

RCM

RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

AVLSA

Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

FLSM

Frazier Life Sciences Management Palo Alto, California $3.89B AUM 201.1% 1-Year Est. Return

TCM

TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return

Susquehanna International Group's IRON Position: Q1 2026 in Review

Susquehanna International Group increased its Disc Medicine (IRON) stake by 65% in Q1 2026, buying an estimated $423K and bringing the position to 15,406 shares worth $985K. The position accounts for ﹤0.01% of the portfolio, ranked #7925.

Susquehanna International Group first reported a position in IRON in Q1 2021 and has held it in 18 quarters since. The position peaked at $4.02M in Q2 2025. 203 funds tracked by Wall St. Rank hold IRON as of Q1 2026.

Susquehanna International Group held 15,406 shares of Disc Medicine worth $985K as of Q1 2026.
Susquehanna International Group bought 6,097 Disc Medicine shares in Q1 2026, an estimated $423K.
Disc Medicine made up ﹤0.01% of Susquehanna International Group's portfolio in Q1 2026, its #7925 holding.
Susquehanna International Group first reported a position in Disc Medicine in Q1 2021 and has held it in 18 quarters since.
Susquehanna International Group's Disc Medicine position peaked at $4.02M in Q2 2025.
203 funds tracked by Wall St. Rank held Disc Medicine as of Q1 2026.

Based on Susquehanna International Group's 13F filing for Q1 2026, filed 15 May 2026.