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Disc Medicine, Inc.

IRON
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001816736

In the last 90 days, Disc Medicine, Inc. insiders filed 0 open-market purchases and 9 sales; 216 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.

13F holders, Q1 2025

Institutional positions in Disc Medicine, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
157
+6 vs. Q4 2024
Shares held
33.2M
+6.63M (+25.0%) vs. Q4 2024
Total value
$1.65B
−$31.7M (−1.9%) vs. Q4 2024
New holders
27
74 more added
Sold out
21
31 more reduced

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IRON on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 157 institutions
Q1 2021: 49 institutionsQ2 2021: 55 institutionsQ3 2021: 62 institutionsQ4 2021: 62 institutionsQ1 2022: 57 institutionsQ2 2022: 51 institutionsQ3 2022: 44 institutionsQ4 2022: 35 institutionsQ1 2023: 45 institutionsQ2 2023: 90 institutionsQ3 2023: 91 institutionsQ4 2023: 112 institutionsQ1 2024: 130 institutionsQ2 2024: 121 institutionsQ3 2024: 132 institutionsQ4 2024: 152 institutionsQ1 2025: 157 institutionsQ2 2025: 152 institutionsQ3 2025: 168 institutionsQ4 2025: 197 institutionsQ1 2026: 203 institutionsQ2 2026: 216 institutions
Value heldQ1 2025: $1.65B
Q1 2021: $346.6MQ2 2021: $165.3MQ3 2021: $103.5MQ4 2021: $93.8MQ1 2022: $39.6MQ2 2022: $43.8MQ3 2022: $43.9MQ4 2022: $215.8MQ1 2023: $309.6MQ2 2023: $848.7MQ3 2023: $934.0MQ4 2023: $1.17BQ1 2024: $1.38BQ2 2024: $1.24BQ3 2024: $1.35BQ4 2024: $1.68BQ1 2025: $1.65BQ2 2025: $1.80BQ3 2025: $2.26BQ4 2025: $3.04BQ1 2026: $2.67BQ2 2026: $3.13B
Institutions holding IRON and their total value by quarter
QuarterHoldersValue
Q2 2026216$3.13B
Q1 2026203$2.67B
Q4 2025197$3.04B
Q3 2025168$2.26B
Q2 2025152$1.80B
Q1 2025157$1.65B
Q4 2024152$1.68B
Q3 2024132$1.35B
Q2 2024121$1.24B
Q1 2024130$1.38B
Q4 2023112$1.17B
Q3 202391$934.0M
Q2 202390$848.7M
Q1 202345$309.6M
Q4 202235$215.8M
Q3 202244$43.9M
Q2 202251$43.8M
Q1 202257$39.6M
Q4 202162$93.8M
Q3 202162$103.5M
Q2 202155$165.3M
Q1 202149$346.6M

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Disc Medicine, Inc.; share changes are against Q4 2024.

Institutions holding IRON in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Bank of America Corp53,808$2.67M0.00%+18,463+52.2%Added
Exome Asset Management LLC61,656$3.06M2.74%−7,416−10.7%Reduced
Citadel Advisors LLC62,214$3.09M0.00%−529,057−89.5%Reduced
Bank of New York Mellon Corp63,503$3.15M0.00%+6,242+10.9%Added
Ameriprise Financial Inc67,905$3.37M0.00%+62,627+1,186.6%Added
Susquehanna International Group, LLP70,941$3.52M0.01%+42,134+146.3%Added
Ensign Peak Advisors, Inc72,513$3.60M0.01%+32,513+81.3%Added
UBS Group AG72,628$3.61M0.00%+48,286+198.4%Added
Sio Capital Management, LLC73,511$3.65M1.11%00.0%Unchanged
Baker Bros. Advisors LP77,050$3.82M0.04%00.0%Unchanged
Suvretta Capital Management, LLC80,000$3.97M0.16%+80,000New
Patient Square Capital LP83,000$4.12M1.70%+26,600+47.2%Added
Raymond James Financial Inc83,276$4.13M0.00%−4,726−5.4%Reduced
Opaleye Management Inc.85,000$4.22M0.94%+85,000New
Schroder Investment Management Group87,290$4.57M0.00%−4,200−4.6%Reduced
UBS Asset Management Americas Inc96,557$4.79M0.00%+3,454+3.7%Added
Millennium Management LLC108,499$5.39M0.01%+100,620+1,277.1%Added
Nuveen, LLC112,717$5.60M0.00%+112,717New
Pictet Asset Management Holding SA130,386$6.47M0.01%+904+0.7%Added
Goldman Sachs Group Inc130,751$6.49M0.00%−41,059−23.9%Reduced
Dimensional Fund Advisors LP139,393$6.92M0.00%−327−0.2%Reduced
Blue Owl Capital Holdings LP140,260$6.96M2.25%+20,000+16.6%Added
Nantahala Capital Management, LLC148,391$7.37M0.61%−1,609−1.1%Reduced
Perceptive Advisors LLC150,000$7.45M0.26%+150,000New
Morgan Stanley170,210$8.45M0.00%+20,186+13.5%Added
Eventide Asset Management, LLC181,818$9.03M0.18%+181,818New
Renaissance Technologies LLC191,220$9.49M0.01%+104,800+121.3%Added
Victory Capital Management Inc193,664$9.61M0.01%−42,580−18.0%Reduced
Charles Schwab Investment Management Inc194,725$9.67M0.00%+29,653+18.0%Added
Northern Trust Corp208,813$10.4M0.00%+21,796+11.7%Added
D. E. Shaw & Co., Inc.219,603$10.9M0.01%+138,413+170.5%Added
Silverarc Capital Management, LLC236,471$11.7M2.45%+126,090+114.2%Added
Checkpoint Capital L.P.243,311$12.1M6.63%+58,311+31.5%Added
Foresite Capital Management V, LLC299,069$14.8M16.94%00.0%Unchanged
Adage Capital Partners GP, L.L.C.300,000$14.9M0.03%−50,000−14.3%Reduced
Logos Global Management LP394,342$19.6M3.48%+194,342+97.2%Added
Armistice Capital, LLC436,000$21.6M0.58%+80,000+22.5%Added
TCG Crossover Management, LLC465,257$23.1M3.15%−21,700−4.5%Reduced
Woodline Partners LP502,230$24.9M0.16%+105,630+26.6%Added
Saturn V Capital Management LLC518,177$25.7M12.98%+8,771+1.7%Added
Geode Capital Management, LLC571,984$28.4M0.00%+99,278+21.0%Added
JPMorgan Chase & Co759,338$37.7M0.00%+698,321+1,144.5%Added
Deerfield Management Company, L.P. (Series C)782,333$38.8M0.77%+181,818+30.3%Added
State Street Corp918,567$45.6M0.00%+149,832+19.5%Added
Bain Capital Life Sciences Investors, LLC983,500$48.8M7.22%00.0%Unchanged
Siren, L.L.C.1,071,865$53.2M3.00%+1,071,865New
Paradigm Biocapital Advisors LP1,210,971$60.1M2.77%−286,749−19.1%Reduced
Vanguard Group Inc1,305,046$64.8M0.00%+236,800+22.2%Added
Price T Rowe Associates Inc1,358,254$67.4M0.01%−36,383−2.6%Reduced
OrbiMed Advisors LLC1,415,020$70.2M1.69%−370,551−20.8%Reduced
Janus Henderson Group PLC1,423,259$74.5M0.04%+205,444+16.9%Added
Ra Capital Management, L.P.1,577,106$78.3M1.31%+1,577,106New
Frazier Life Sciences Management, L.P.1,754,834$87.1M3.98%00.0%Unchanged
BlackRock, Inc.2,094,560$104.0M0.00%+234,828+12.6%Added
Wellington Management Group LLP2,343,499$116.3M0.02%+948,094+67.9%Added
Atlas Venture Life Science Advisors, LLC2,384,456$118.4M22.69%−125,000−5.0%Reduced
FMR LLC3,224,381$160.1M0.01%+1,358,133+72.8%Added
MPM Oncology Impact Management LP0$00.00%−346,401−100.0%Sold out
Catalio Capital Management, LP0$00.00%−179,815−100.0%Sold out
PDT Partners, LLC0$00.00%−25,778−100.0%Sold out
Jane Street Group, LLC0$00.00%−21,203−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−20,187−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−13,444−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−13,353−100.0%Sold out
Fred Alger Management, LLC0$00.00%−11,775−100.0%Sold out
Jump Financial, LLC0$00.00%−11,507−100.0%Sold out
HRT Financial LP0$00.00%−10,358−100.0%Sold out
Bleakley Financial Group, LLC0$00.00%−7,667−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−6,213−100.0%Sold out
Virtu Financial LLC0$00.00%−4,875−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−4,497−100.0%Sold out
ADAR1 Capital Management, LLC0$00.00%−4,196−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−1,176−100.0%Sold out
Virtus ETF Advisers LLC0$00.00%−1,106−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−417−100.0%Sold out
Group One Trading, L.P.0$00.00%−400−100.0%Sold out
Larson Financial Group LLC0$00.00%−68−100.0%Sold out
Skopos Labs, Inc.0$00.00%−29−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed