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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, Q2 2025

Institutional positions in Disc Medicine, Inc. as of Jun 30, 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
152
−4 vs. Q1 2025
Shares held
34.1M
+915.4K (+2.8%) vs. Q1 2025
Total value
$1.80B
+$154.6M (+9.4%) vs. Q1 2025
New holders
26
69 more added
Sold out
30
37 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 holdersQ2 2025: 152 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 heldQ2 2025: $1.80B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Disc Medicine, Inc.; share changes are against Q1 2025.

Institutions holding IRON in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd2$00.00%00.0%Unchanged
True Wealth Design, LLC1$530.00%−6−85.7%Reduced
Caitong International Asset Management Co., Ltd3$1590.00%−944−99.7%Reduced
Global Retirement Partners, LLC3$1590.00%+3New
Allworth Financial LP4$2120.00%+4New
Essential Partners LLC4$2120.00%+4New
J.Safra Asset Management Corp6$3180.00%00.0%Unchanged
SBI Securities Co., Ltd.6$3180.00%00.0%Unchanged
Assetmark, Inc12$6360.00%00.0%Unchanged
Russell Investments Group, Ltd.16$8470.00%+6+60.0%Added
Bessemer Group Inc12$1.00K0.00%00.0%Unchanged
Versant Capital Management, Inc19$1.01K0.00%+19New
Parkside Financial Bank & Trust20$1.06K0.00%+20New
IFP Advisors, Inc0$1.17K0.00%−1−100.0%Reduced
Comerica Bank25$1.33K0.00%+8+47.1%Added
Rothschild Investment LLC45$2.38K0.00%00.0%Unchanged
Sterling Capital Management LLC60$3.18K0.00%−292−83.0%Reduced
EverSource Wealth Advisors, LLC72$3.81K0.00%+62+620.0%Added
Larson Financial Group LLC109$5.77K0.00%+109New
Daiwa Securities Group Inc.113$6.00K0.00%00.0%Unchanged
Clearstead Advisors, LLC148$7.84K0.00%+102+221.7%Added
Simplex Trading, LLC199$10.0K0.00%−1,641−89.2%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.202$11.0K0.00%+202New
GAMMA Investing LLC240$12.7K0.00%−10−4.0%Reduced
Advisor Group Holdings, Inc.270$14.3K0.00%+270New
Nisa Investment Advisors, LLC284$15.0K0.00%+203+250.6%Added
iA Global Asset Management Inc.322$17.0K0.00%+322New
Quest Partners LLC327$17.3K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC533$28.2K0.00%+8+1.5%Added
Public Employees Retirement Association of Colorado730$39.0K0.00%00.0%Unchanged
GF Fund Management Co. Ltd.762$40.4K0.00%00.0%Unchanged
Amalgamated Bank787$42.0K0.00%00.0%Unchanged
CWM, LLC1,044$55.0K0.00%+711+213.5%Added
Avanza Fonder AB1,083$57.4K0.00%+1,083New
US Bancorp1,179$62.4K0.00%−24−2.0%Reduced
Mirae Asset Global Investments Co., Ltd.1,338$70.9K0.00%+181+15.6%Added
Virtus Investment Advisers, Inc.1,784$94.5K0.03%−772−30.2%Reduced
STRS Ohio2,200$116.5K0.00%−4,800−68.6%Reduced
Meeder Asset Management Inc2,244$118.8K0.01%+2,244New
Ameritas Investment Partners, Inc.2,515$133.2K0.00%+206+8.9%Added
Zurcher Kantonalbank (Zurich Cantonalbank)3,047$161.4K0.00%−29−0.9%Reduced
Tower Research Capital LLC (TRC)3,975$210.5K0.01%+3,152+383.0%Added
Fiduciary Trust Co4,051$214.5K0.00%00.0%Unchanged
DnB Asset Management AS4,583$242.7K0.00%+4,583New
KLP Kapitalforvaltning AS4,600$243.6K0.00%+900+24.3%Added
BNP Paribas Arbitrage, SA4,703$249.1K0.00%−5,583−54.3%Reduced
Police & Firemen's Retirement System of New Jersey5,490$290.8K0.00%+600+12.3%Added
Teacher Retirement System of Texas6,017$318.7K0.00%+1,052+21.2%Added
ProShare Advisors LLC6,345$336.0K0.00%−155−2.4%Reduced
Arizona State Retirement System6,534$346.0K0.00%+1,219+22.9%Added
Voya Investment Management LLC6,695$354.6K0.00%+744+12.5%Added
Profund Advisors LLC6,714$355.6K0.01%−446−6.2%Reduced
HighVista Strategies LLC6,733$356.6K0.13%+275+4.3%Added
China Universal Asset Management Co., Ltd.6,956$368.4K0.03%+22+0.3%Added
Legato Capital Management LLC7,228$382.8K0.05%+7,228New
Sofinnova Investments, Inc.7,312$387.2K0.03%−173−2.3%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH7,376$390.6K0.00%+985+15.4%Added
State Board of Administration of Florida Retirement System9,129$483.5K0.00%+5,079+125.4%Added
Y-Intercept (Hong Kong) Ltd9,382$496.9K0.01%+9,382New
First Trust Advisors LP10,246$542.6K0.00%+10,246New
Lion Point Capital, LP10,600$561.4K3.81%00.0%Unchanged
Bank of Montreal10,988$581.9K0.00%+5,137+87.8%Added
Intech Investment Management LLC12,222$647.3K0.01%+1,274+11.6%Added
UBS Oconnor LLC12,317$652.3K0.02%−1,304−9.6%Reduced
Teachers Retirement System of the State of Kentucky12,851$681.0K0.01%−1,777−12.1%Reduced
State of Wisconsin Investment Board12,889$682.6K0.00%+906+7.6%Added
AQR Capital Management LLC13,649$722.9K0.00%+13,649New
Walleye Capital LLC14,064$744.8K0.01%−8,011−36.3%Reduced
Harvest Investment Services, LLC14,316$758.2K0.17%−1,066−6.9%Reduced
MetLife Investment Management14,854$786.7K0.00%+1,400+10.4%Added
Mirae Asset Global ETFs Holdings Ltd.15,041$798.9K0.00%−97−0.6%Reduced
Citigroup Inc16,109$853.1K0.00%−26,866−62.5%Reduced
Deutsche Bank AG16,717$885.3K0.00%+2,012+13.7%Added
Invesco Ltd.16,817$890.6K0.00%+2,983+21.6%Added
New York State Common Retirement Fund16,852$892.5K0.00%+10,576+168.5%Added
Prelude Capital Management, LLC18,156$961.5K0.09%−44−0.2%Reduced
Alps Advisors Inc18,626$986.4K0.01%−6,853−26.9%Reduced
Voloridge Investment Management, LLC19,726$1.04M0.00%+19,726New
California State Teachers Retirement System20,250$1.07M0.00%+98+0.5%Added
Millennium Management LLC21,593$1.14M0.00%−86,906−80.1%Reduced
Wells Fargo & Company22,461$1.19M0.00%−375−1.6%Reduced
Royal Bank of Canada22,599$1.20M0.00%+21,401+1,786.4%Added
Legal & General Group Plc24,097$1.28M0.00%+3,682+18.0%Added
Alliancebernstein L.P.24,140$1.28M0.00%+3,080+14.6%Added
HealthInvest Partners AB24,652$1.31M0.56%+24,652New
The PNC Financial Services Group, Inc.25,140$1.33M0.00%+1,440+6.1%Added
Bollard Group LLC30,635$1.62M0.04%+30,635New
Catalio Capital Management, LP30,661$1.62M0.34%+30,661New
PFM Health Sciences, LP30,799$1.63M0.14%+30,799New
Rafferty Asset Management, LLC31,489$1.67M0.01%−2,552−7.5%Reduced
Standard Life Aberdeen plc32,061$1.70M0.00%+32,061New
Rhumbline Advisers35,755$1.89M0.00%+3,611+11.2%Added
Swiss National Bank42,900$2.27M0.00%+7,000+19.5%Added
Nuveen, LLC50,270$2.66M0.00%−62,447−55.4%Reduced
Manufacturers Life Insurance Company, The51,836$2.75M0.00%+11,251+27.7%Added
TD Asset Management Inc53,048$2.81M0.00%+10,600+25.0%Added
Nicholas Investment Partners, LP54,445$2.88M0.26%+54,445New
ExodusPoint Capital Management, LP57,945$3.07M0.04%+44,380+327.2%Added
Exome Asset Management LLC61,356$3.25M2.68%−300−0.5%Reduced
Bank of New York Mellon Corp71,502$3.79M0.00%+7,999+12.6%Added