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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 2024

Institutional positions in Disc Medicine, Inc. as of Mar 31, 2024. 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
130
+19 vs. Q4 2023
Shares held
22.3M
+2.08M (+10.3%) vs. Q4 2023
Total value
$1.38B
+$217.0M (+18.6%) vs. Q4 2023
New holders
31
58 more added
Sold out
12
28 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 2024: 130 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 2024: $1.38B
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 2024

Shares, value and share of portfolio for each institution holding Disc Medicine, Inc.; share changes are against Q4 2023.

Institutions holding IRON in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Paradigm Biocapital Advisors LP2,389,902$148.8M5.24%+4,045+0.2%Added
Atlas Venture Life Science Advisors, LLC2,287,233$142.4M13.14%−267,939−10.5%Reduced
OrbiMed Advisors LLC1,702,237$106.0M2.08%00.0%Unchanged
Bain Capital Life Sciences Investors, LLC1,317,213$82.0M6.59%−15,332−1.2%Reduced
State Street Corp1,091,211$67.9M0.00%+532,016+95.1%Added
Price T Rowe Associates Inc944,213$58.8M0.01%+353,382+59.8%Added
Perceptive Advisors LLC939,866$58.5M1.03%−83,179−8.1%Reduced
BlackRock Inc.901,595$56.1M0.00%+33,155+3.8%Added
Frazier Life Sciences Management, L.P.785,000$48.9M2.06%00.0%Unchanged
Vanguard Group Inc782,751$48.7M0.00%+18,207+2.4%Added
Wellington Management Group LLP670,482$41.7M0.01%+492,756+277.3%Added
Deerfield Management Company, L.P. (Series C)665,535$41.4M0.72%+201,243+43.3%Added
Adage Capital Partners GP, L.L.C.574,464$35.8M0.07%−175,536−23.4%Reduced
Janus Henderson Group PLC521,773$32.5M0.02%+78,595+17.7%Added
Alliancebernstein L.P.496,881$30.9M0.01%+133,796+36.8%Added
FMR LLC403,532$25.1M0.00%+186,120+85.6%Added
Rock Springs Capital Management LP363,468$22.6M0.58%00.0%Unchanged
Citadel Advisors LLC325,724$20.3M0.02%+137,800+73.3%Added
Saturn V Capital Management LLC254,803$15.9M6.36%+190,019+293.3%Added
First Turn Management, LLC252,673$15.7M2.35%+95,399+60.7%Added
Geode Capital Management, LLC245,774$15.3M0.00%+16,355+7.1%Added
Polar Capital Holdings Plc244,928$15.2M0.09%−301,987−55.2%Reduced
Foresite Capital Management V, LLC243,513$15.2M14.23%00.0%Unchanged
Pictet Asset Management Holding SA231,797$14.4M0.02%+36,706+18.8%Added
Bank of America Corp213,691$13.3M0.00%+181,731+568.6%Added
Victory Capital Management Inc213,061$13.3M0.01%+25,481+13.6%Added
Jennison Associates LLC193,240$12.0M0.01%+150,209+349.1%Added
Blue Owl Capital Holdings LP155,260$9.67M1.93%+15,000+10.7%Added
Morgan Stanley136,634$8.51M0.00%+24,247+21.6%Added
Cormorant Asset Management, LP125,000$7.78M0.34%00.0%Unchanged
Lord, Abbett & Co. LLC119,312$7.43M0.02%+119,312New
MPM Oncology Impact Management LP110,779$6.90M1.11%+60,779+121.6%Added
Artisan Partners Limited Partnership109,319$6.81M0.01%+109,319New
Parkman Healthcare Partners LLC107,593$6.70M0.82%+14,722+15.9%Added
Rafferty Asset Management, LLC102,865$6.40M0.02%+63,002+158.0%Added
Franklin Resources Inc102,016$6.35M0.00%−119,408−53.9%Reduced
Northern Trust Corp97,388$6.06M0.00%+2,129+2.2%Added
Charles Schwab Investment Management Inc92,093$5.73M0.00%+2,368+2.6%Added
Citigroup Inc89,253$5.56M0.01%+72,572+435.1%Added
Artia Global Partners LP87,040$5.42M1.33%+87,040New
Candriam Luxembourg S.C.A.80,000$4.98M0.03%00.0%Unchanged
Acuta Capital Partners, LLC76,800$4.78M3.11%−38,700−33.5%Reduced
Qube Research & Technologies Ltd74,777$4.66M0.01%+24,066+47.5%Added
Invesco Ltd.71,435$4.45M0.00%−42,633−37.4%Reduced
Goldman Sachs Group Inc68,403$4.26M0.00%+6,228+10.0%Added
Eagle Asset Management Inc115,738$3.96M0.02%+115,738New
UBS Group AG63,002$3.92M0.00%+49,380+362.5%Added
Nicholas Investment Partners, LP61,500$3.83M0.39%+21,006+51.9%Added
StemPoint Capital LP60,129$3.74M1.00%−65,300−52.1%Reduced
Schroder Investment Management Group56,476$3.52M0.00%−1,784−3.1%Reduced
Sphera Funds Management Ltd.48,886$3.04M0.49%+48,886New
Schonfeld Strategic Advisors LLC48,579$3.02M0.02%+26,233+117.4%Added
EAM Investors, LLC43,806$2.73M0.43%−9,089−17.2%Reduced
Jane Street Group, LLC40,816$2.54M0.00%+19,971+95.8%Added
Ensign Peak Advisors, Inc40,000$2.49M0.00%00.0%Unchanged
Nuveen Asset Management, LLC39,605$2.47M0.00%+5,673+16.7%Added
TD Asset Management Inc39,264$2.44M0.00%+19,050+94.2%Added
ExodusPoint Capital Management, LP32,117$2.00M0.02%+32,117New
Bank of New York Mellon Corp26,956$1.68M0.00%−3,548−11.6%Reduced
Ikarian Capital, LLC25,372$1.58M0.43%−169,610−87.0%Reduced
Swiss National Bank23,800$1.48M0.00%+8,000+50.6%Added
The PNC Financial Services Group, Inc.23,702$1.48M0.00%+13,702+137.0%Added
Manufacturers Life Insurance Company, The22,334$1.39M0.00%+3,445+18.2%Added
Prudential Financial Inc19,698$1.23M0.00%+19,698New
New York State Common Retirement Fund19,259$1.20M0.00%+9,573+98.8%Added
Harvest Investment Services, LLC18,417$1.15M0.46%+18,417New
Connor, Clark & Lunn Investment Management Ltd.17,952$1.12M0.00%−7,105−28.4%Reduced
Alps Advisors Inc17,030$1.06M0.01%+880+5.4%Added
Profund Advisors LLC15,784$982.7K0.04%+9,278+142.6%Added
Two Sigma Investments, LP14,711$915.9K0.00%−8,383−36.3%Reduced
Barclays PLC14,423$898.0K0.00%−14,041−49.3%Reduced
Tudor Investment Corp Et Al13,488$839.8K0.01%+13,488New
Rhumbline Advisers13,132$817.6K0.00%+486+3.8%Added
Susquehanna International Group, LLP12,492$777.8K0.00%+5,610+81.5%Added
Voya Investment Management LLC12,473$776.6K0.00%+8,895+248.6%Added
JPMorgan Chase & Co12,273$764.1K0.00%−3,756−23.4%Reduced
California State Teachers Retirement System11,800$734.7K0.00%+3,200+37.2%Added
Martingale Asset Management L P11,400$709.8K0.01%+100+0.9%Added
Walleye Capital LLC11,255$700.7K0.01%+11,255New
Credit Suisse AG10,387$646.7K0.00%+2,460+31.0%Added
State of Wisconsin Investment Board8,901$554.2K0.00%+2,139+31.6%Added
Legal & General Group Plc8,768$545.9K0.00%−14−0.2%Reduced
Renaissance Technologies LLC8,520$530.0K0.00%−39,760−82.4%Reduced
Wells Fargo & Company8,193$510.1K0.00%+5,622+218.7%Added
Stifel Financial Corp8,163$508.2K0.00%+30.0%Added
Legato Capital Management LLC7,872$490.1K0.06%+2,599+49.3%Added
Boothbay Fund Management, LLC6,759$420.8K0.01%−36,391−84.3%Reduced
Bank of Montreal6,453$404.0K0.00%+6,453New
Raymond James & Associates6,400$398.5K0.00%+6,400New
Sofinnova Investments, Inc.6,173$384.3K0.02%+6,173New
E Fund Management Co., Ltd.4,861$302.6K0.02%+4,861New
UBS Asset Management Americas Inc4,850$302.0K0.00%+4,850New
MetLife Investment Management4,792$298.4K0.00%00.0%Unchanged
American International Group, Inc.4,649$289.4K0.00%+205+4.6%Added
Deutsche Bank AG4,646$289.3K0.00%+124+2.7%Added
China Universal Asset Management Co., Ltd.4,641$288.9K0.04%+1,848+66.2%Added
Bleakley Financial Group, LLC4,572$284.7K0.01%+856+23.0%Added
Simplicity Wealth,LLC4,566$284.3K0.01%+4,566New
Engineers Gate Manager LP4,560$283.9K0.01%−6,867−60.1%Reduced
Fiduciary Trust Co4,051$252.2K0.00%00.0%Unchanged