Arrowstreet Capital
IRON icon

Arrowstreet Capital’s Disc Medicine IRON Stock Holding History

Arrowstreet 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
2026
Q1 		– Sell
-7,767
Closed -$617K – 1977
2025
Q4 		$617K Buy
+7,767
New +$656K ﹤0.01% 1649

Other funds holding IRON

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
FLSM
Frazier Life Sciences Management Palo Alto, California $3.89B AUM 201.1% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return

Arrowstreet Capital's IRON Position: Q1 2026 in Review

Arrowstreet Capital sold out of Disc Medicine (IRON) in Q1 2026, closing a stake of 7,767 shares — an estimated $617K sold.

Arrowstreet Capital first reported a position in IRON in Q4 2025 and held it in 1 quarter. The position peaked at $617K in Q4 2025. 203 funds tracked by Wall St. Rank hold IRON as of Q1 2026.

  • Arrowstreet Capital reported no remaining Disc Medicine position as of Q1 2026 after selling out during the quarter.
  • Arrowstreet Capital sold 7,767 Disc Medicine shares in Q1 2026, an estimated $617K.
  • Arrowstreet Capital first reported a position in Disc Medicine in Q4 2025 and held it in 1 quarter.
  • Arrowstreet Capital's Disc Medicine position peaked at $617K in Q4 2025.
  • 203 funds tracked by Wall St. Rank held Disc Medicine as of Q1 2026.

Based on Arrowstreet Capital's 13F filing for Q1 2026, filed 14 May 2026.