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Martingale Asset Management’s Disc Medicine IRON Stock Holding History

Martingale 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
Q2 		$878K Buy
+12,009
New +$825K 0.02% 560
2024
Q2 		– Sell
-11,400
Closed -$710K – 816
2024
Q1 		$710K Buy
11,400
+100
+0.9% +$6.48K 0.01% 544
2023
Q4 		$653K Buy
11,300
+1,401
+14% +$71.7K 0.01% 547
2023
Q3 		$465K Buy
+9,899
New +$495K 0.01% 622

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

Martingale Asset Management's IRON Position: Q2 2026 in Review

Martingale Asset Management opened a new position in Disc Medicine (IRON) in Q2 2026: 12,009 shares worth $878K. The stake represents 0.02% of the portfolio and ranks #560 among its holdings. This is a return to the name: Martingale Asset Management previously reported a position in IRON as recently as Q1 2024.

Martingale Asset Management first reported a position in IRON in Q3 2023 and has held it in 4 quarters since. 216 funds tracked by Wall St. Rank hold IRON as of Q2 2026.

  • Martingale Asset Management held 12,009 shares of Disc Medicine worth $878K as of Q2 2026.
  • Disc Medicine was a new Martingale Asset Management position in Q2 2026.
  • Disc Medicine made up 0.02% of Martingale Asset Management's portfolio in Q2 2026, its #560 holding.
  • Martingale Asset Management first reported a position in Disc Medicine in Q3 2023 and has held it in 4 quarters since.
  • 216 funds tracked by Wall St. Rank held Disc Medicine as of Q2 2026.

Based on Martingale Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.