Morgan Stanley
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Morgan Stanley’s Disc Medicine IRON Stock Holding History

Morgan Stanley’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 		$6.03M Buy
94,264
+19,438
+26% +$1.35M ﹤0.01% 3996
2025
Q4 		$5.94M Buy
74,826
+18,751
+33% +$1.58M ﹤0.01% 4049
2025
Q3 		$3.71M Sell
56,075
-54,604
-49% -$3.25M ﹤0.01% 4380
2025
Q2 		$5.86M Sell
110,679
-59,531
-35% -$2.8M ﹤0.01% 3928
2025
Q1 		$8.45M Buy
170,210
+20,186
+13% +$1.12M ﹤0.01% 3496
2024
Q4 		$9.51M Buy
150,024
+80,087
+115% +$4.63M ﹤0.01% 3453
2024
Q3 		$3.44M Sell
69,937
-28,997
-29% -$1.36M ﹤0.01% 4252
2024
Q2 		$4.46M Sell
98,934
-37,700
-28% -$1.28M ﹤0.01% 3984
2024
Q1 		$8.51M Sell
136,634
-88,140
-39% -$5.71M ﹤0.01% 3477
2023
Q4 		$13M Buy
224,774
+175,217
+354% +$8.97M ﹤0.01% 3707
2023
Q3 		$2.33M Buy
49,557
+6,027
+14% +$301K ﹤0.01% 4285
2023
Q2 		$1.93M Buy
43,530
+33,715
+344% +$1.2M ﹤0.01% 4444
2023
Q1 		$208K Buy
9,815
+8,994
+1,095% +$200K ﹤0.01% 5691
2022
Q4 		$16.3K Sell
821
-91
-10% -$4.53K ﹤0.01% 6757
2022
Q3 		$45K Sell
912
-121
-12% -$5.71K ﹤0.01% 6456
2022
Q2 		$53K Buy
1,033
+1
+0.1% +$44 ﹤0.01% 6580
2022
Q1 		$42K Buy
1,032
+217
+27% +$11.4K ﹤0.01% 6789
2021
Q4 		$71K Buy
815
+328
+67% +$32.1K ﹤0.01% 6630
2021
Q3 		$58K Sell
487
-512
-51% -$70K ﹤0.01% 6649
2021
Q2 		$194K Buy
999
+182
+22% +$59.8K ﹤0.01% 6031
2021
Q1 		$332K Buy
+817
New +$364K ﹤0.01% 5375

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

Morgan Stanley's IRON Position: Q1 2026 in Review

Morgan Stanley increased its Disc Medicine (IRON) stake by 26% in Q1 2026, buying an estimated $1.35M and bringing the position to 94,264 shares worth $6.03M. The position accounts for ﹤0.01% of the portfolio, ranked #3996.

Morgan Stanley first reported a position in IRON in Q1 2021 and has held it in 21 quarters since. The position peaked at $13M in Q4 2023. 203 funds tracked by Wall St. Rank hold IRON as of Q1 2026.

  • Morgan Stanley held 94,264 shares of Disc Medicine worth $6.03M as of Q1 2026.
  • Morgan Stanley bought 19,438 Disc Medicine shares in Q1 2026, an estimated $1.35M.
  • Disc Medicine made up ﹤0.01% of Morgan Stanley's portfolio in Q1 2026, its #3996 holding.
  • Morgan Stanley first reported a position in Disc Medicine in Q1 2021 and has held it in 21 quarters since.
  • Morgan Stanley's Disc Medicine position peaked at $13M in Q4 2023.
  • 203 funds tracked by Wall St. Rank held Disc Medicine as of Q1 2026.

Based on Morgan Stanley's 13F filing for Q1 2026, filed 15 May 2026.