Citadel Advisors
IRON icon

Citadel Advisors’s Disc Medicine IRON Stock Holding History

Citadel Advisors’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 		$15.3M Buy
209,308
+111,378
+114% +$7.65M ﹤0.01% 2930
2026
Q1 		$6.26M Sell
97,930
-2,465
-2% -$171K ﹤0.01% 3982
2025
Q4 		$7.97M Buy
100,395
+50,001
+99% +$4.22M ﹤0.01% 3562
2025
Q3 		$3.33M Buy
+50,394
New +$3M ﹤0.01% 5118
2025
Q2 		– Sell
-62,214
Closed -$2.92M – 13769
2025
Q1 		$3.09M Sell
62,214
-529,057
-89% -$29.4M ﹤0.01% 4712
2024
Q4 		$37.5M Buy
591,271
+180,247
+44% +$10.4M 0.01% 1532
2024
Q3 		$20.2M Buy
411,024
+89,503
+28% +$4.2M ﹤0.01% 2040
2024
Q2 		$14.5M Sell
321,521
-4,203
-1% -$143K ﹤0.01% 2355
2024
Q1 		$20.3M Buy
325,724
+137,800
+73% +$8.93M ﹤0.01% 2050
2023
Q4 		$10.9M Sell
187,924
-122,507
-39% -$6.27M ﹤0.01% 2727
2023
Q3 		$14.6M Sell
310,431
-340,889
-52% -$17.1M ﹤0.01% 2219
2023
Q2 		$28.9M Buy
651,320
+480,082
+280% +$17M 0.01% 1511
2023
Q1 		$3.63M Buy
171,238
+115,560
+208% +$2.57M ﹤0.01% 4342
2022
Q4 		$1.11M Buy
55,678
+36,348
+188% +$1.81M ﹤0.01% 6616
2022
Q3 		$951K Buy
19,330
+431
+2% +$20.3K ﹤0.01% 7099
2022
Q2 		$958K Buy
18,899
+7,519
+66% +$333K ﹤0.01% 7114
2022
Q1 		$474K Buy
11,380
+205
+2% +$10.7K ﹤0.01% 9518
2021
Q4 		$976K Sell
11,175
-987
-8% -$96.7K ﹤0.01% 8024
2021
Q3 		$1.47M Sell
12,162
-342
-3% -$46.7K ﹤0.01% 7121
2021
Q2 		$2.43M Sell
12,504
-1,641
-12% -$540K ﹤0.01% 6118
2021
Q1 		$5.75M Buy
+14,145
New +$6.31M ﹤0.01% 3971

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

Citadel Advisors's IRON Position: Q2 2026 in Review

Citadel Advisors increased its Disc Medicine (IRON) stake by 114% in Q2 2026, buying an estimated $7.65M and bringing the position to 209,308 shares worth $15.3M. The position accounts for ﹤0.01% of the portfolio, ranked #2930.

Citadel Advisors first reported a position in IRON in Q1 2021 and has held it in 21 quarters since. The position peaked at $37.5M in Q4 2024. 216 funds tracked by Wall St. Rank hold IRON as of Q2 2026.

  • Citadel Advisors held 209,308 shares of Disc Medicine worth $15.3M as of Q2 2026.
  • Citadel Advisors bought 111,378 Disc Medicine shares in Q2 2026, an estimated $7.65M.
  • Disc Medicine made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #2930 holding.
  • Citadel Advisors first reported a position in Disc Medicine in Q1 2021 and has held it in 21 quarters since.
  • Citadel Advisors's Disc Medicine position peaked at $37.5M in Q4 2024.
  • 216 funds tracked by Wall St. Rank held Disc Medicine as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.