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Catalio Capital Management’s Disc Medicine IRON Stock Holding History

Catalio 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 		$11.7M Buy
159,384
+36,406
+30% +$2.5M 2.19% 17
2026
Q1 		$7.86M Buy
122,978
+12,551
+11% +$871K 1.64% 24
2025
Q4 		$8.77M Sell
110,427
-106,100
-49% -$8.97M 1.55% 26
2025
Q3 		$14.3M Buy
216,527
+185,866
+606% +$11.1M 2.65% 15
2025
Q2 		$1.62M Buy
+30,661
New +$1.44M 0.34% 31
2025
Q1 		– Sell
-179,815
Closed -$11.4M – 43
2024
Q4 		$11.4M Buy
+179,815
New +$10.4M 2.49% 19

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

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

Catalio Capital Management increased its Disc Medicine (IRON) stake by 30% in Q2 2026, buying an estimated $2.5M and bringing the position to 159,384 shares worth $11.7M. The position accounts for 2.19% of the portfolio, ranked #17.

Catalio Capital Management first reported a position in IRON in Q4 2024 and has held it in 6 quarters since. The position peaked at $14.3M in Q3 2025. 217 funds tracked by Wall St. Rank hold IRON as of Q2 2026.

  • Catalio Capital Management held 159,384 shares of Disc Medicine worth $11.7M as of Q2 2026.
  • Catalio Capital Management bought 36,406 Disc Medicine shares in Q2 2026, an estimated $2.5M.
  • Disc Medicine made up 2.19% of Catalio Capital Management's portfolio in Q2 2026, its #17 holding.
  • Catalio Capital Management first reported a position in Disc Medicine in Q4 2024 and has held it in 6 quarters since.
  • Catalio Capital Management's Disc Medicine position peaked at $14.3M in Q3 2025.
  • 217 funds tracked by Wall St. Rank held Disc Medicine as of Q2 2026.

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