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David Shaw’s Disc Medicine IRON Stock Holding History

David Shaw’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
2025
Q4 		– Sell
-24,900
Closed -$1.65M – 4796
2025
Q3 		$1.65M Buy
+24,900
New +$1.48M ﹤0.01% 3112

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

David Shaw's IRON Position: Q2 2026 in Review

David Shaw 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: David Shaw previously reported a position in IRON as recently as Q1 2025.

David Shaw 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. 215 funds tracked by Wall St. Rank hold IRON as of Q2 2026.

  • David Shaw held 6,027 shares of Disc Medicine worth $441K as of Q2 2026.
  • Disc Medicine was a new David Shaw position in Q2 2026.
  • Disc Medicine made up ﹤0.01% of David Shaw's portfolio in Q2 2026, its #4240 holding.
  • David Shaw first reported a position in Disc Medicine in Q4 2021 and has held it in 4 quarters since.
  • David Shaw's Disc Medicine position peaked at $10.9M in Q1 2025.
  • 215 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.