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First Light Asset Management’s Disc Medicine IRON Stock Holding History

First Light Asset 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
Q1 		– Sell
-523,167
Closed -$41.5M – 38
2025
Q4 		$41.5M Buy
523,167
+291,981
+126% +$24.7M 3.18% 9
2025
Q3 		$15.3M Buy
+231,186
New +$13.8M 1.44% 26

Other funds holding IRON

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 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
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 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
FLSM
Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return

First Light Asset Management's IRON Position: Q1 2026 in Review

First Light Asset Management sold out of Disc Medicine (IRON) in Q1 2026, closing a stake of 523,167 shares — an estimated $41.5M sold.

First Light Asset Management first reported a position in IRON in Q3 2025 and held it in 2 quarters. The position peaked at $41.5M in Q4 2025. 203 funds tracked by Wall St. Rank hold IRON as of Q1 2026.

  • First Light Asset Management reported no remaining Disc Medicine position as of Q1 2026 after selling out during the quarter.
  • First Light Asset Management sold 523,167 Disc Medicine shares in Q1 2026, an estimated $41.5M.
  • First Light Asset Management first reported a position in Disc Medicine in Q3 2025 and held it in 2 quarters.
  • First Light Asset Management's Disc Medicine position peaked at $41.5M in Q4 2025.
  • 203 funds tracked by Wall St. Rank held Disc Medicine as of Q1 2026.

Based on First Light Asset Management's 13F filing for Q1 2026, filed 15 May 2026.