Saturn V Capital Management’s Disc Medicine IRON Stock Holding History

Saturn V Capital Management’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	$38.4M	Buy	524,730 +74,804	+17%	+$5.14M	5.5%	9
2026 Q1	$28.8M	Buy	449,926 +151,497	+51%	+$10.5M	5.21%	9
2025 Q4	$23.7M	Sell	298,429 -42,468	-12%	-$3.59M	4.35%	10
2025 Q3	$22.5M	Sell	340,897 -55,218	-14%	-$3.28M	4.94%	9
2025 Q2	$21M	Sell	396,115 -122,062	-24%	-$5.73M	8.5%	2
2025 Q1	$25.7M	Buy	518,177 +8,771	+2%	+$488K	12.98%	2
2024 Q4	$32.3M	Sell	509,406 -1,635	-0.3%	-$94.6K	12.65%	1
2024 Q3	$25.1M	Buy	511,041 +7,952	+2%	+$373K	8.98%	2
2024 Q2	$22.7M	Buy	503,089 +248,286	+97%	+$8.44M	8.57%	2
2024 Q1	$15.9M	Buy	254,803 +190,019	+293%	+$12.3M	6.36%	6
2023 Q4	$3.74M	Buy	+64,784	New	+$3.32M	1.43%	18

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

Saturn V Capital Management's IRON Position: Q2 2026 in Review

Saturn V Capital Management increased its Disc Medicine (IRON) stake by 17% in Q2 2026, buying an estimated $5.14M and bringing the position to 524,730 shares worth $38.4M. The position accounts for 5.5% of the portfolio, ranked #9.

Saturn V Capital Management first reported a position in IRON in Q4 2023 and has held it in 11 quarters since. 216 funds tracked by Wall St. Rank hold IRON as of Q2 2026.

Saturn V Capital Management held 524,730 shares of Disc Medicine worth $38.4M as of Q2 2026.
Saturn V Capital Management bought 74,804 Disc Medicine shares in Q2 2026, an estimated $5.14M.
Disc Medicine made up 5.5% of Saturn V Capital Management's portfolio in Q2 2026, its #9 holding.
Saturn V Capital Management first reported a position in Disc Medicine in Q4 2023 and has held it in 11 quarters since.
216 funds tracked by Wall St. Rank held Disc Medicine as of Q2 2026.

Based on Saturn V Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.