Russell Investments Group’s Disc Medicine IRON Stock Holding History

Russell Investments 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 Q2	$591K	Buy	8,083 +5,449	+207%	+$374K	﹤0.01%	2707
2026 Q1	$168K	Sell	2,634 -21,049	-89%	-$1.46M	﹤0.01%	2896
2025 Q4	$1.88M	Buy	23,683 +21,245	+871%	+$1.8M	﹤0.01%	1899
2025 Q3	$161K	Buy	2,438 +2,422	+15,138%	+$144K	﹤0.01%	2874
2025 Q2	$847	Buy	16 +6	+60%	+$282	﹤0.01%	3692
2025 Q1	$496	Hold	10	–	–	﹤0.01%	3673
2024 Q4	$634	Buy	+10	New	+$578	﹤0.01%	3579

Other funds holding IRON

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

RCM

RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

VPC

Vestal Point Capital New York $4.28B AUM 239% 1-Year Est. Return

AVLSA

Atlas Venture Life Science Advisors Cambridge, Massachusetts $881M AUM 160.77% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Russell Investments Group's IRON Position: Q2 2026 in Review

Russell Investments Group increased its Disc Medicine (IRON) stake by 207% in Q2 2026, buying an estimated $374K and bringing the position to 8,083 shares worth $591K. The position accounts for ﹤0.01% of the portfolio, ranked #2707.

Russell Investments Group first reported a position in IRON in Q4 2024 and has held it in 7 quarters since. The position peaked at $1.88M in Q4 2025. 216 funds tracked by Wall St. Rank hold IRON as of Q2 2026.

Russell Investments Group held 8,083 shares of Disc Medicine worth $591K as of Q2 2026.
Russell Investments Group bought 5,449 Disc Medicine shares in Q2 2026, an estimated $374K.
Disc Medicine made up ﹤0.01% of Russell Investments Group's portfolio in Q2 2026, its #2707 holding.
Russell Investments Group first reported a position in Disc Medicine in Q4 2024 and has held it in 7 quarters since.
Russell Investments Group's Disc Medicine position peaked at $1.88M in Q4 2025.
216 funds tracked by Wall St. Rank held Disc Medicine as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.