Walleye Capital
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Walleye Capital’s Disc Medicine IRON Stock Holding History

Walleye Capital’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
-500
Closed -$33K – 4824
2025
Q3 		$33K Buy
+500
New +$29.7K ﹤0.01% 4118
2024
Q2 		– Sell
-100
Closed -$6.23K – 5787
2024
Q1 		$6.23K Buy
+100
New +$6.48K ﹤0.01% 5125

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $881M AUM 160.77% 1-Year Est. Return
FLSM
Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Walleye Capital's IRON Position: Q4 2025 in Review

Walleye Capital sold out of Disc Medicine (IRON) in Q4 2025, closing a stake of 14,649 shares — an estimated $968K sold.

Walleye Capital first reported a position in IRON in Q3 2021 and held it in 11 quarters. The position peaked at $10.3M in Q3 2024. 196 funds tracked by Wall St. Rank hold IRON as of Q4 2025.

  • Walleye Capital reported no remaining Disc Medicine position as of Q4 2025 after selling out during the quarter.
  • Walleye Capital sold 14,649 Disc Medicine shares in Q4 2025, an estimated $968K.
  • Walleye Capital first reported a position in Disc Medicine in Q3 2021 and held it in 11 quarters.
  • Walleye Capital's Disc Medicine position peaked at $10.3M in Q3 2024.
  • 196 funds tracked by Wall St. Rank held Disc Medicine as of Q4 2025.

Based on Walleye Capital's 13F filing for Q4 2025, filed 13 Feb 2026.