D.E. Shaw & Co
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D.E. Shaw & Co’s Disc Medicine IRON Stock Holding History

D.E. Shaw & Co’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 		$441K Buy
+6,027
New +$414K ﹤0.01% 4240
2025
Q2 		– Sell
-219,603
Closed -$10.9M – 4519
2025
Q1 		$10.9M Buy
219,603
+138,413
+170% +$7.7M 0.01% 1327
2024
Q4 		$5.15M Buy
+81,190
New +$4.7M ﹤0.01% 1959
2022
Q1 		– Sell
-642
Closed -$56K – 5732
2021
Q4 		$56K Buy
+642
New +$62.9K ﹤0.01% 5186

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

D.E. Shaw & Co's IRON Position: Q2 2026 in Review

D.E. Shaw & Co opened a new position in Disc Medicine (IRON) in Q2 2026: 6,027 shares worth $441K. The stake represents ﹤0.01% of the portfolio and ranks #4240 among its holdings. This is a return to the name: D.E. Shaw & Co previously reported a position in IRON as recently as Q1 2025.

D.E. Shaw & Co first reported a position in IRON in Q4 2021 and has held it in 4 quarters since. The position peaked at $10.9M in Q1 2025. 217 funds tracked by Wall St. Rank hold IRON as of Q2 2026.

  • D.E. Shaw & Co held 6,027 shares of Disc Medicine worth $441K as of Q2 2026.
  • Disc Medicine was a new D.E. Shaw & Co position in Q2 2026.
  • Disc Medicine made up ﹤0.01% of D.E. Shaw & Co's portfolio in Q2 2026, its #4240 holding.
  • D.E. Shaw & Co first reported a position in Disc Medicine in Q4 2021 and has held it in 4 quarters since.
  • D.E. Shaw & Co's Disc Medicine position peaked at $10.9M in Q1 2025.
  • 217 funds tracked by Wall St. Rank held Disc Medicine as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.