STRS Ohio’s Disc Medicine IRON Stock Holding History

STRS Ohio’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	$384K	Hold	6,000	–	–	﹤0.01%	1218
2025 Q4	$476K	Buy	6,000 +3,800	+173%	+$321K	﹤0.01%	1123
2025 Q3	$145K	Hold	2,200	–	–	﹤0.01%	1696
2025 Q2	$117K	Sell	2,200 -4,800	-69%	-$225K	﹤0.01%	1818
2025 Q1	$347K	Buy	7,000 +6,100	+678%	+$339K	﹤0.01%	1344
2024 Q4	$57.1K	Hold	900	–	–	﹤0.01%	1715
2024 Q3	$44.2K	Hold	900	–	–	﹤0.01%	1819
2024 Q2	$40.6K	Sell	900 -2,400	-73%	-$81.6K	﹤0.01%	1818
2024 Q1	$205K	Buy	3,300 +2,300	+230%	+$149K	﹤0.01%	1544
2023 Q4	$57K	Buy	1,000 +400	+67%	+$20.5K	﹤0.01%	1758
2023 Q3	$28K	Buy	+600	New	+$30K	﹤0.01%	1857
2022 Q2	–	Sell	-170	Closed	-$7K	–	2158
2022 Q1	$7K	Hold	170	–	–	﹤0.01%	2104
2021 Q4	$14K	Hold	170	–	–	﹤0.01%	2141
2021 Q3	$20K	Hold	170	–	–	﹤0.01%	2184
2021 Q2	$32K	Buy	+170	New	+$55.9K	﹤0.01%	2150

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

STRS Ohio's IRON Position: Q1 2026 in Review

STRS Ohio held its Disc Medicine (IRON) position steady in Q1 2026 at 6,000 shares worth $384K. The position accounts for ﹤0.01% of the portfolio, ranked #1218.

STRS Ohio first reported a position in IRON in Q2 2021 and has held it in 15 quarters since. The position peaked at $476K in Q4 2025. 203 funds tracked by Wall St. Rank hold IRON as of Q1 2026.

STRS Ohio held 6,000 shares of Disc Medicine worth $384K as of Q1 2026.
STRS Ohio left its Disc Medicine share count unchanged in Q1 2026.
Disc Medicine made up ﹤0.01% of STRS Ohio's portfolio in Q1 2026, its #1218 holding.
STRS Ohio first reported a position in Disc Medicine in Q2 2021 and has held it in 15 quarters since.
STRS Ohio's Disc Medicine position peaked at $476K in Q4 2025.
203 funds tracked by Wall St. Rank held Disc Medicine as of Q1 2026.

Based on STRS Ohio's 13F filing for Q1 2026, filed 24 Apr 2026.