SCM
IRON icon

Sio Capital Management’s Disc Medicine IRON Stock Holding History

Sio Capital 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 		– Sell
-65,203
Closed -$4.17M – 78
2026
Q1 		$4.17M Buy
65,203
+7,617
+13% +$529K 0.6% 43
2025
Q4 		$4.57M Sell
57,586
-227,201
-80% -$19.2M 0.72% 34
2025
Q3 		$18.8M Hold
284,787
– – 4.76% 6
2025
Q2 		$15.1M Buy
284,787
+211,276
+287% +$9.92M 5.76% 2
2025
Q1 		$3.65M Hold
73,511
– – 1.09% 23
2024
Q4 		$4.66M Sell
73,511
-114,430
-61% -$6.62M 1.31% 24
2024
Q3 		$9.24M Sell
187,941
-4,059
-2% -$191K 3.66% 10
2024
Q2 		$8.65M Buy
+192,000
New +$6.52M 2.34% 15

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

Sio Capital Management's IRON Position: Q2 2026 in Review

Sio Capital Management sold out of Disc Medicine (IRON) in Q2 2026, closing a stake of 65,203 shares — an estimated $4.17M sold.

Sio Capital Management first reported a position in IRON in Q2 2024 and held it in 8 quarters. The position peaked at $18.8M in Q3 2025. 216 funds tracked by Wall St. Rank hold IRON as of Q2 2026.

  • Sio Capital Management reported no remaining Disc Medicine position as of Q2 2026 after selling out during the quarter.
  • Sio Capital Management sold 65,203 Disc Medicine shares in Q2 2026, an estimated $4.17M.
  • Sio Capital Management first reported a position in Disc Medicine in Q2 2024 and held it in 8 quarters.
  • Sio Capital Management's Disc Medicine position peaked at $18.8M in Q3 2025.
  • 216 funds tracked by Wall St. Rank held Disc Medicine as of Q2 2026.

Based on Sio Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.