Vanguard Portfolio Management
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Vanguard Portfolio Management’s Disc Medicine IRON Stock Holding History

Vanguard Portfolio 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 		$20.6M Buy
281,937
+34,599
+14% +$2.38M ﹤0.01% 1986
2026
Q1 		$15.8M Buy
+247,338
New +$17.2M ﹤0.01% 1979

Other funds holding IRON

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
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
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
State Street
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
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management's IRON Position: Q2 2026 in Review

Vanguard Portfolio Management increased its Disc Medicine (IRON) stake by 14% in Q2 2026, buying an estimated $2.38M and bringing the position to 281,937 shares worth $20.6M. The position accounts for ﹤0.01% of the portfolio, ranked #1986.

Vanguard Portfolio Management first reported a position in IRON in Q1 2026 and has held it in 2 quarters since. 215 funds tracked by Wall St. Rank hold IRON as of Q2 2026.

  • Vanguard Portfolio Management held 281,937 shares of Disc Medicine worth $20.6M as of Q2 2026.
  • Vanguard Portfolio Management bought 34,599 Disc Medicine shares in Q2 2026, an estimated $2.38M.
  • Disc Medicine made up ﹤0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #1986 holding.
  • Vanguard Portfolio Management first reported a position in Disc Medicine in Q1 2026 and has held it in 2 quarters since.
  • 215 funds tracked by Wall St. Rank held Disc Medicine as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.