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

Foresite Capital Management V’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	$27.4M	Hold	374,069	–	–	7.55%	3
2026 Q1	$23.9M	Buy	374,069 +75,000	+25%	+$5.2M	8.83%	3
2025 Q4	$23.7M	Hold	299,069	–	–	14.45%	3
2025 Q3	$19.8M	Hold	299,069	–	–	18.17%	3
2025 Q2	$15.8M	Hold	299,069	–	–	19.62%	3
2025 Q1	$14.8M	Hold	299,069	–	–	16.94%	3
2024 Q4	$19M	Hold	299,069	–	–	15.78%	4
2024 Q3	$14.7M	Hold	299,069	–	–	10.21%	4
2024 Q2	$13.5M	Buy	299,069 +55,556	+23%	+$1.89M	8.61%	4
2024 Q1	$15.2M	Hold	243,513	–	–	14.23%	3
2023 Q4	$14.1M	Hold	243,513	–	–	19.16%	3
2023 Q3	$11.4M	Hold	243,513	–	–	18.25%	2
2023 Q2	$10.8M	Hold	243,513	–	–	7.9%	5
2023 Q1	$5.16M	Hold	243,513	–	–	3.81%	8
2022 Q4	$4.84M	Buy	243,513 +162,342	+200%	+$8.08M	3.76%	9
2022 Q3	$3.99M	Hold	81,171	–	–	3.07%	10
2022 Q2	$4.12M	Hold	81,171	–	–	2.87%	10
2022 Q1	$3.38M	Hold	81,171	–	–	1.38%	13
2021 Q4	$7.09M	Hold	81,171	–	–	1.74%	13
2021 Q3	$9.84M	Hold	81,171	–	–	3.06%	9
2021 Q2	$15.8M	Hold	81,171	–	–	6.2%	5
2021 Q1	$33M	Buy	+81,171	New	+$36.2M	9.7%	2

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

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

Foresite Capital Management V held its Disc Medicine (IRON) position steady in Q2 2026 at 374,069 shares worth $27.4M. The position accounts for 7.55% of the portfolio, ranked #3.

Foresite Capital Management V first reported a position in IRON in Q1 2021 and has held it in 22 quarters since. The position peaked at $33M in Q1 2021. 217 funds tracked by Wall St. Rank hold IRON as of Q2 2026.

Foresite Capital Management V held 374,069 shares of Disc Medicine worth $27.4M as of Q2 2026.
Foresite Capital Management V left its Disc Medicine share count unchanged in Q2 2026.
Disc Medicine made up 7.55% of Foresite Capital Management V's portfolio in Q2 2026, its #3 holding.
Foresite Capital Management V first reported a position in Disc Medicine in Q1 2021 and has held it in 22 quarters since.
Foresite Capital Management V's Disc Medicine position peaked at $33M in Q1 2021.
217 funds tracked by Wall St. Rank held Disc Medicine as of Q2 2026.

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