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
-14,649
Closed -$968K – 4825
2025
Q3 		$968K Buy
14,649
+585
+4% +$34.8K ﹤0.01% 2119
2025
Q2 		$745K Sell
14,064
-8,011
-36% -$376K ﹤0.01% 2294
2025
Q1 		$1.1M Sell
22,075
-4,929
-18% -$274K ﹤0.01% 1896
2024
Q4 		$1.71M Sell
27,004
-182,232
-87% -$10.5M ﹤0.01% 1920
2024
Q3 		$10.3M Buy
209,236
+73,140
+54% +$3.43M 0.02% 679
2024
Q2 		$6.13M Buy
136,096
+124,841
+1,109% +$4.24M 0.01% 1140
2024
Q1 		$701K Buy
+11,255
New +$730K ﹤0.01% 2908
2023
Q3 		– Sell
-35,804
Closed -$1.59M – 5090
2023
Q2 		$1.59M Buy
+35,804
New +$1.27M 0.01% 1485
2022
Q2 		– Sell
-508
Closed -$21K – 2533
2022
Q1 		$21K Sell
508
-358
-41% -$18.8K ﹤0.01% 1958
2021
Q4 		$76K Buy
866
+261
+43% +$25.6K ﹤0.01% 1733
2021
Q3 		$73K Buy
+605
New +$82.7K ﹤0.01% 1362

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.