Fidelity Investments
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Fidelity Investments’s Disc Medicine IRON Stock Holding History

Fidelity Investments’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 		$358M Sell
4,894,473
-692,421
-12% -$47.6M 0.02% 683
2026
Q1 		$357M Buy
5,586,894
+136,672
+3% +$9.48M 0.02% 636
2025
Q4 		$433M Buy
5,450,222
+515,063
+10% +$43.5M 0.02% 564
2025
Q3 		$326M Buy
4,935,159
+1,689,449
+52% +$101M 0.02% 662
2025
Q2 		$172M Buy
3,245,710
+21,329
+0.7% +$1M 0.01% 883
2025
Q1 		$160M Buy
3,224,381
+1,358,133
+73% +$75.5M 0.01% 898
2024
Q4 		$118M Buy
1,866,248
+1,459,434
+359% +$84.4M 0.01% 1046
2024
Q3 		$20M Sell
406,814
-6,283
-2% -$295K ﹤0.01% 1705
2024
Q2 		$18.6M Buy
413,097
+9,565
+2% +$325K ﹤0.01% 1678
2024
Q1 		$25.1M Buy
403,532
+186,120
+86% +$12.1M ﹤0.01% 1570
2023
Q4 		$12.6M Sell
217,412
-88,021
-29% -$4.51M ﹤0.01% 1778
2023
Q3 		$14.3M Sell
305,433
-17,621
-5% -$881K ﹤0.01% 1711
2023
Q2 		$14.3M Buy
323,054
+171,355
+113% +$6.08M ﹤0.01% 1756
2023
Q1 		$3.21M Sell
151,699
-41,539
-21% -$925K ﹤0.01% 2236
2022
Q4 		$3.84M Buy
193,238
+180,085
+1,369% +$8.97M ﹤0.01% 2190
2022
Q3 		$647K Sell
13,153
-36
-0.3% -$1.7K ﹤0.01% 2707
2022
Q2 		$669K Sell
13,189
-56
-0.4% -$2.48K ﹤0.01% 2767
2022
Q1 		$551K Sell
13,245
-49,663
-79% -$2.6M ﹤0.01% 2957
2021
Q4 		$5.49M Sell
62,908
-202
-0.3% -$19.8K ﹤0.01% 2341
2021
Q3 		$7.65M Sell
63,110
-33,750
-35% -$4.61M ﹤0.01% 2225
2021
Q2 		$18.8M Buy
96,860
+3,877
+4% +$1.27M ﹤0.01% 1867
2021
Q1 		$36.1M Buy
+92,983
New +$41.5M ﹤0.01% 1536

Other funds holding IRON

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
FLSM
Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return

Fidelity Investments's IRON Position: Q2 2026 in Review

Fidelity Investments reduced its Disc Medicine (IRON) stake by 12% in Q2 2026, selling an estimated $47.6M and leaving 4,894,473 shares worth $358M. The position accounts for 0.02% of the portfolio, ranked #683.

Fidelity Investments first reported a position in IRON in Q1 2021 and has held it in 22 quarters since. The position peaked at $433M in Q4 2025. 216 funds tracked by Wall St. Rank hold IRON as of Q2 2026.

  • Fidelity Investments held 4,894,473 shares of Disc Medicine worth $358M as of Q2 2026.
  • Fidelity Investments sold 692,421 Disc Medicine shares in Q2 2026, an estimated $47.6M.
  • Disc Medicine made up 0.02% of Fidelity Investments's portfolio in Q2 2026, its #683 holding.
  • Fidelity Investments first reported a position in Disc Medicine in Q1 2021 and has held it in 22 quarters since.
  • Fidelity Investments's Disc Medicine position peaked at $433M in Q4 2025.
  • 216 funds tracked by Wall St. Rank held Disc Medicine as of Q2 2026.

Based on Fidelity Investments's 13F filing for Q2 2026, filed 13 Aug 2026.