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MoonLake Immunotherapeutics

MLTX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001821586

In the last 90 days, MoonLake Immunotherapeutics insiders filed 0 open-market purchases and 6 sales; 172 institutions reported holding it in 13F filings for Q2 2026, worth $1.43B in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in MoonLake Immunotherapeutics as of Dec 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
130
0 vs. Q3 2025
Shares held
56.4M
+18.9M (+50.3%) vs. Q3 2025
Total value
$742.9M
+$474.1M (+176.4%) vs. Q3 2025
New holders
47
55 more added
Sold out
47
23 more reduced

4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MLTX 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 holdersQ4 2025: 130 institutions
Q1 2021: 42 institutionsQ2 2021: 46 institutionsQ3 2021: 43 institutionsQ4 2021: 45 institutionsQ1 2022: 27 institutionsQ2 2022: 23 institutionsQ3 2022: 24 institutionsQ4 2022: 33 institutionsQ1 2023: 43 institutionsQ2 2023: 83 institutionsQ3 2023: 118 institutionsQ4 2023: 125 institutionsQ1 2024: 114 institutionsQ2 2024: 111 institutionsQ3 2024: 109 institutionsQ4 2024: 116 institutionsQ1 2025: 136 institutionsQ2 2025: 130 institutionsQ3 2025: 134 institutionsQ4 2025: 130 institutionsQ1 2026: 147 institutionsQ2 2026: 172 institutions
Value heldQ4 2025: $742.9M
Q1 2021: $108.9MQ2 2021: $115.8MQ3 2021: $111.1MQ4 2021: $112.8MQ1 2022: $123.4MQ2 2022: $190.1MQ3 2022: $291.4MQ4 2022: $396.4MQ1 2023: $843.2MQ2 2023: $2.86BQ3 2023: $3.21BQ4 2023: $3.53BQ1 2024: $2.99BQ2 2024: $2.67BQ3 2024: $3.14BQ4 2024: $3.43BQ1 2025: $2.34BQ2 2025: $2.77BQ3 2025: $269.7MQ4 2025: $742.9MQ1 2026: $1.17BQ2 2026: $1.43B
Institutions holding MLTX and their total value by quarter
QuarterHoldersValue
Q2 2026172$1.43B
Q1 2026147$1.17B
Q4 2025130$742.9M
Q3 2025134$269.7M
Q2 2025130$2.77B
Q1 2025136$2.34B
Q4 2024116$3.43B
Q3 2024109$3.14B
Q2 2024111$2.67B
Q1 2024114$2.99B
Q4 2023125$3.53B
Q3 2023118$3.21B
Q2 202383$2.86B
Q1 202343$843.2M
Q4 202233$396.4M
Q3 202224$291.4M
Q2 202223$190.1M
Q1 202227$123.4M
Q4 202145$112.8M
Q3 202143$111.1M
Q2 202146$115.8M
Q1 202142$108.9M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding MoonLake Immunotherapeutics; share changes are against Q3 2025.

Institutions holding MLTX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Goldman Sachs Group Inc270,665$3.57M0.00%−92,206−25.4%Reduced
Boxer Capital Management, LLC275,000$3.62M0.79%+25,000+10.0%Added
BlackRock, Inc.286,593$3.78M0.00%+161,212+128.6%Added
Schonfeld Strategic Advisors LLC322,261$4.25M0.02%−643,144−66.6%Reduced
Weiss Asset Management LP332,961$4.39M0.06%+332,961New
StemPoint Capital LP348,401$4.59M0.79%+348,401New
Rhenman & Partners Asset Management AB364,000$4.80M0.45%+157,000+75.8%Added
Citadel Advisors LLC380,890$5.02M0.00%+331,556+672.1%Added
Soleus Capital Management, L.P.400,000$5.27M0.22%+400,000New
Jump Financial, LLC425,559$5.61M0.07%+425,559New
Voleon Capital Management LP499,099$6.58M0.14%+458,826+1,139.3%Added
Jefferies Financial Group Inc.500,000$6.59M0.05%+475,000+1,900.0%Added
Susquehanna International Group, LLP549,236$7.24M0.01%+354,495+182.0%Added
HRT Financial LP635,901$8.38M0.03%+492,626+343.8%Added
Nuveen, LLC637,434$8.40M0.00%+1,735+0.3%Added
Point72 Asset Management, L.P.772,500$10.2M0.02%+762,700+7,782.7%Added
Two Sigma Investments, LP784,811$10.3M0.02%+330,543+72.8%Added
Millennium Management LLC802,722$10.6M0.01%+713,550+800.2%Added
JPMorgan Chase & Co837,739$11.0M0.00%+663,578+381.0%Added
Price T Rowe Associates Inc959,553$12.6M0.00%+136,596+16.6%Added
Vivo Capital, LLC1,000,000$13.2M0.85%+1,000,000New
Morgan Stanley1,044,581$13.8M0.00%+787,926+307.0%Added
Balyasny Asset Management LLC1,571,071$20.7M0.04%−128,164−7.5%Reduced
Jane Street Group, LLC1,682,148$22.2M0.03%+1,660,170+7,553.8%Added
Logos Global Management LP1,750,000$23.1M1.54%+1,750,000New
Janus Henderson Group PLC2,095,988$27.7M0.01%+2,084,888+18,782.8%Added
D. E. Shaw & Co., Inc.2,480,767$32.7M0.02%+2,480,767New
Cormorant Asset Management, LP4,355,433$57.4M3.25%+2,361,260+118.4%Added
Deep Track Capital, LP4,610,071$60.8M1.39%+4,610,071New
BVF Inc19,751,284$260.3M8.76%00.0%Unchanged
Bessemer Group Inc0$00.00%−710−100.0%Sold out
Avoro Capital Advisors LLC0$00.00%−2,000,000−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−1,500,000−100.0%Sold out
Ikarian Capital, LLC0$00.00%−435,839−100.0%Sold out
Marshall Wace, LLP0$00.00%−321,109−100.0%Sold out
Verition Fund Management LLC0$00.00%−272,768−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−258,779−100.0%Sold out
Decheng Capital LLC0$00.00%−181,600−100.0%Sold out
Exome Asset Management LLC0$00.00%−178,084−100.0%Sold out
Schroder Investment Management Group0$00.00%−195,490−100.0%Sold out
ADAR1 Capital Management, LLC0$00.00%−151,495−100.0%Sold out
Clearbridge Investments, LLC0$00.00%−135,496−100.0%Sold out
Catalio Capital Management, LP0$00.00%−133,131−100.0%Sold out
Pictet Asset Management Holding SA0$00.00%−131,991−100.0%Sold out
Caption Management, LLC0$00.00%−90,800−100.0%Sold out
Sphera Funds Management Ltd.0$00.00%−71,010−100.0%Sold out
Principal Financial Group Inc0$00.00%−70,943−100.0%Sold out
Engineers Gate Manager LP0$00.00%−58,810−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−44,779−100.0%Sold out
Twinbeech Capital LP0$00.00%−43,735−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−36,405−100.0%Sold out
Bellevue Group AG0$00.00%−35,052−100.0%Sold out
Franklin Resources Inc0$00.00%−33,577−100.0%Sold out
Silverarc Capital Management, LLC0$00.00%−30,000−100.0%Sold out
Hudson Bay Capital Management LP0$00.00%−20,000−100.0%Sold out
HighVista Strategies LLC0$00.00%−19,059−100.0%Sold out
Victory Capital Management Inc0$00.00%−18,790−100.0%Sold out
Rangeley Capital, LLC0$00.00%−15,000−100.0%Sold out
MYDA Advisors LLC0$00.00%−15,000−100.0%Sold out
Harbor Capital Advisors, Inc.0$00.00%−13,706−100.0%Sold out
Erste Asset Management GmbH0$00.00%−15,000−100.0%Sold out
Mirae Asset Global ETFs Holdings Ltd.0$00.00%−11,954−100.0%Sold out
Handelsbanken Fonder AB0$00.00%−10,600−100.0%Sold out
Quarry LP0$00.00%−9,001−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−7,890−100.0%Sold out
Covestor Ltd0$00.00%−6,437−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−4,000−100.0%Sold out
Sectoral Asset Management Inc0$00.00%−956−100.0%Sold out
Assetmark, Inc0$00.00%−888−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−82−100.0%Sold out
Principal Securities, Inc.0$00.00%−54−100.0%Sold out
Private Trust Co NA0$00.00%−52−100.0%Sold out
J.Safra Asset Management Corp0$00.00%−51−100.0%Sold out
TD Private Client Wealth LLC0$00.00%−17−100.0%Sold out
Montag A & Associates Inc0$00.00%−7−100.0%Sold out
GAMMA Investing LLC0$00.00%−6−100.0%Sold out
True Wealth Design, LLC0$00.00%−5−100.0%Sold out
AXA Investment Managers S.A.––––Not filed
Cubist Systematic Strategies, LLC––––Not filed
HAP Trading, LLC––––Not filed
Point72 Asia (Singapore) Pte. Ltd.––––Not filed