Alyeska Investment Group
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Alyeska Investment Group’s Disc Medicine IRON Stock Holding History

Alyeska Investment Group’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 		$7.99M Buy
125,000
+75,000
+150% +$5.2M 0.02% 425
2025
Q4 		$3.97M Buy
+50,000
New +$4.22M 0.01% 480
2022
Q1 		– Sell
-21,190
Closed -$1.85M – 622
2021
Q4 		$1.85M Buy
21,190
+1,742
+9% +$171K 0.02% 454
2021
Q3 		$2.36M Sell
19,448
-8,471
-30% -$1.16M 0.03% 480
2021
Q2 		$5.42M Buy
27,919
+9,915
+55% +$3.26M 0.06% 325
2021
Q1 		$6.34M Buy
+18,004
New +$8.03M 0.08% 285

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

Alyeska Investment Group's IRON Position: Q1 2026 in Review

Alyeska Investment Group increased its Disc Medicine (IRON) stake by 150% in Q1 2026, buying an estimated $5.2M and bringing the position to 125,000 shares worth $7.99M. The position accounts for 0.02% of the portfolio, ranked #425.

Alyeska Investment Group first reported a position in IRON in Q1 2021 and has held it in 6 quarters since. 203 funds tracked by Wall St. Rank hold IRON as of Q1 2026.

  • Alyeska Investment Group held 125,000 shares of Disc Medicine worth $7.99M as of Q1 2026.
  • Alyeska Investment Group bought 75,000 Disc Medicine shares in Q1 2026, an estimated $5.2M.
  • Disc Medicine made up 0.02% of Alyeska Investment Group's portfolio in Q1 2026, its #425 holding.
  • Alyeska Investment Group first reported a position in Disc Medicine in Q1 2021 and has held it in 6 quarters since.
  • 203 funds tracked by Wall St. Rank held Disc Medicine as of Q1 2026.

Based on Alyeska Investment Group's 13F filing for Q1 2026, filed 15 May 2026.