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Tower Research Capital (TRC)’s Disc Medicine IRON Stock Holding History

Tower Research Capital (TRC)’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 		$385K Buy
6,017
+5,241
+675% +$364K 0.01% 1118
2025
Q4 		$61.6K Sell
776
-329
-30% -$27.8K ﹤0.01% 2275
2025
Q3 		$73K Sell
1,105
-2,870
-72% -$171K ﹤0.01% 2247
2025
Q2 		$211K Buy
3,975
+3,152
+383% +$148K 0.01% 1728
2025
Q1 		$40.9K Sell
823
-2
-0.2% -$111 ﹤0.01% 2368
2024
Q4 		$52.3K Buy
825
+266
+48% +$15.4K ﹤0.01% 2524
2024
Q3 		$27.5K Sell
559
-3,368
-86% -$158K ﹤0.01% 3062
2024
Q2 		$177K Buy
3,927
+2,853
+266% +$96.9K ﹤0.01% 2170
2024
Q1 		$66.9K Sell
1,074
-1,265
-54% -$82K ﹤0.01% 2088
2023
Q4 		$135K Buy
2,339
+2,034
+667% +$104K ﹤0.01% 2405
2023
Q3 		$14.3K Buy
305
+78
+34% +$3.9K ﹤0.01% 3691
2023
Q2 		$10.1K Buy
+227
New +$8.05K ﹤0.01% 4169
2023
Q1 		– Sell
-13
Closed – – 6057
2022
Q4 		$0 Sell
13
-4
-24% -$199 ﹤0.01% 6138
2022
Q3 		$1K Sell
17
-244
-93% -$11.5K ﹤0.01% 5796
2022
Q2 		$13K Sell
261
-18
-6% -$796 ﹤0.01% 4212
2022
Q1 		$12K Sell
279
-482
-63% -$25.3K ﹤0.01% 4065
2021
Q4 		$66K Buy
761
+687
+928% +$67.3K ﹤0.01% 2542
2021
Q3 		$9K Sell
74
-60
-45% -$8.2K ﹤0.01% 4444
2021
Q2 		$26K Buy
+134
New +$44.1K ﹤0.01% 3646

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

Tower Research Capital (TRC)'s IRON Position: Q1 2026 in Review

Tower Research Capital (TRC) increased its Disc Medicine (IRON) stake by 675% in Q1 2026, buying an estimated $364K and bringing the position to 6,017 shares worth $385K. The position accounts for 0.01% of the portfolio, ranked #1118.

Tower Research Capital (TRC) first reported a position in IRON in Q2 2021 and has held it in 19 quarters since. 203 funds tracked by Wall St. Rank hold IRON as of Q1 2026.

  • Tower Research Capital (TRC) held 6,017 shares of Disc Medicine worth $385K as of Q1 2026.
  • Tower Research Capital (TRC) bought 5,241 Disc Medicine shares in Q1 2026, an estimated $364K.
  • Disc Medicine made up 0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #1118 holding.
  • Tower Research Capital (TRC) first reported a position in Disc Medicine in Q2 2021 and has held it in 19 quarters since.
  • 203 funds tracked by Wall St. Rank held Disc Medicine as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.