MoonLake Immunotherapeutics

MLTX

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001821586

SEC filings (opens in a new tab)

In the last 90 days, MoonLake Immunotherapeutics insiders filed 0 open-market purchases and 5 sales; 172 institutions reported holding it in 13F filings for Q2 2026, worth $1.43B in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding MoonLake Immunotherapeutics changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of MLTX: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	134	4	130	0
Shares	37.6M	129.2K	56.4M	+18.9M (+50.3%)
Value	$269.7M	$926.7K	$742.9M	+$474.1M (+176.4%)

4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (47)

Institutions that held MoonLake Immunotherapeutics at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to MLTX in Q4 2025
Institution	Shares	Value	% of portfolio
Deep Track Capital, LP	4,610,071	$60.8M	1.39%
D. E. Shaw & Co., Inc.	2,480,767	$32.7M	0.02%
Logos Global Management LP	1,750,000	$23.1M	1.54%
Vivo Capital, LLC	1,000,000	$13.2M	0.85%
Jump Financial, LLC	425,559	$5.61M	0.07%
Soleus Capital Management, L.P.	400,000	$5.27M	0.22%
StemPoint Capital LP	348,401	$4.59M	0.79%
Weiss Asset Management LP	332,961	$4.39M	0.06%
Susquehanna Portfolio Strategies, LLC	253,974	$3.35M	0.05%
Algert Global LLC	221,616	$2.92M	0.05%
ExodusPoint Capital Management, LP	212,996	$2.81M	0.03%
Granahan Investment Management Inc	198,307	$2.61M	0.11%
Eagle Health Investments LP	187,600	$2.47M	0.54%
Trexquant Investment LP	184,319	$2.43M	0.02%
Kalehua Capital Management LLC	175,734	$2.32M	2.29%
Renaissance Technologies LLC	134,472	$1.77M	0.00%
Tudor Investment Corp Et Al	103,516	$1.36M	0.01%
J. Goldman & Co LP	101,467	$1.34M	0.05%
Y-Intercept (Hong Kong) Ltd	95,972	$1.26M	0.03%
Gsa Capital Partners LLP	89,236	$1.18M	0.10%
Brevan Howard Capital Management LP	78,638	$1.04M	0.02%
Walleye Capital LLC	75,752	$998.4K	0.01%
Jain Global LLC	70,611	$930.7K	0.01%
Acuta Capital Partners, LLC	59,280	$781.3K	0.53%
Quadrature Capital Ltd	50,217	$661.9K	0.01%
Cinctive Capital Management LP	37,194	$490.2K	0.03%
IMC-Chicago, LLC	36,468	$480.6K	0.01%
AQR Capital Management LLC	32,886	$433.4K	0.00%
Entropy Technologies, LP	30,300	$399.4K	0.02%
Graham Capital Management, L.P.	24,292	$320.2K	0.01%
Mariner, LLC	20,159	$265.7K	0.00%
Skopos Labs, Inc.	14,920	$204.3K	0.01%
Vident Advisory, LLC	15,444	$203.6K	0.00%
Campbell & CO Investment Adviser LLC	13,448	$177.2K	0.01%
Virtu Financial LLC	12,582	$166.0K	0.01%
HSBC Holdings PLC	11,095	$146.7K	0.00%
Persistent Asset Partners Ltd	8,523	$112.3K	0.05%
Quantbot Technologies LP	6,266	$82.6K	0.00%
T. Rowe Price Investment Management, Inc.	3,557	$47.0K	0.00%
Kestra Advisory Services, LLC	2,000	$26.4K	0.00%
ACT Capital Management, LLC	1,500	$19.8K	0.02%
Parallel Advisors, LLC	1,484	$19.6K	0.00%
DecisionPoint Financial, LLC	1,219	$16.1K	0.00%
Basecamp Wealth Advisors LLC	272	$3.58K	0.00%
Quadrant Capital Group LLC	210	$2.77K	0.00%
Rothschild Investment LLC	1	$13	0.00%
Global Retirement Partners, LLC	1	$13	0.00%

Sold out (47)

Institutions that held MoonLake Immunotherapeutics at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of MLTX in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Avoro Capital Advisors LLC	2,000,000	$14.3M
Adage Capital Partners GP, L.L.C.	1,500,000	$10.8M
Ikarian Capital, LLC	435,839	$3.12M
Marshall Wace, LLP	321,109	$2.30M
Verition Fund Management LLC	272,768	$1.96M
Boothbay Fund Management, LLC	258,779	$1.86M
Decheng Capital LLC	181,600	$1.30M
Exome Asset Management LLC	178,084	$1.28M
Schroder Investment Management Group	195,490	$1.22M
ADAR1 Capital Management, LLC	151,495	$1.09M
Clearbridge Investments, LLC	135,496	$971.5K
Catalio Capital Management, LP	133,131	$954.5K
Pictet Asset Management Holding SA	131,991	$946.4K
Caption Management, LLC	90,800	$651.0K
Sphera Funds Management Ltd.	71,010	$509.1K
Principal Financial Group Inc	70,943	$508.7K
Engineers Gate Manager LP	58,810	$421.7K
Prelude Capital Management, LLC	44,779	$321.1K
Twinbeech Capital LP	43,735	$313.6K
Two Sigma Securities, LLC	36,405	$261.0K
Bellevue Group AG	35,052	$251.3K
Franklin Resources Inc	33,577	$240.7K
Silverarc Capital Management, LLC	30,000	$215.1K
Hudson Bay Capital Management LP	20,000	$143.4K
HighVista Strategies LLC	19,059	$136.7K
Victory Capital Management Inc	18,790	$134.7K
Rangeley Capital, LLC	15,000	$107.5K
MYDA Advisors LLC	15,000	$107.5K
Harbor Capital Advisors, Inc.	13,706	$98.0K
Erste Asset Management GmbH	15,000	$93.7K
Mirae Asset Global ETFs Holdings Ltd.	11,954	$85.7K
Handelsbanken Fonder AB	10,600	$76.0K
Quarry LP	9,001	$64.5K
Aquatic Capital Management LLC	7,890	$56.6K
Covestor Ltd	6,437	$46.0K
FNY Investment Advisers, LLC	4,000	$28.0K
Sectoral Asset Management Inc	956	$6.86K
Assetmark, Inc	888	$6.37K
Bessemer Group Inc	710	$6.00K
SRS Capital Advisors, Inc.	82	$588
Principal Securities, Inc.	54	$387
Private Trust Co NA	52	$373
J.Safra Asset Management Corp	51	$366
TD Private Client Wealth LLC	17	$122
Montag A & Associates Inc	7	$51
GAMMA Investing LLC	6	$43
True Wealth Design, LLC	5	$36

Not filed for Q4 2025 yet (4)

Institutions that held MoonLake Immunotherapeutics at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MLTX in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
AXA Investment Managers S.A.	60,755	$435.6K
Cubist Systematic Strategies, LLC	33,878	$242.9K
HAP Trading, LLC	31,073	$222.8K
Point72 Asia (Singapore) Pte. Ltd.	3,535	$25.3K