MLTX · MoonLake Immunotherapeutics · Holdings

$12.51 -0.67 (-5.08%) At close · Sep 11

Market Cap

$1.06B

85.11M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 175

Total Value: $1,464,218,864

Total Shares: 75,203,850

Showing 1–100 of 186 holdings by value · page 1 of 2

Institutional Ownership Trend

23 quarters

Holder Concentration

Across 175 13F filers · Δ vs Mar 31, 2026

Top Holder

21.3%

−3.3 pts

Top 5

45.0%

−5.3 pts

Top 10

61.7%

−1.7 pts

HHI

703

Broadly held−161

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +26

Institutional value: +20.8%

Shares held: +15.7%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mid Logos Global Management LP	+1,175,000	2,675,000
Mega D. E. Shaw & Co., Inc.	+974,846	3,365,507
Mid Weiss Asset Management LP	+873,485	2,581,813
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	+680,637	750,777
Mega JANE STREET GROUP, LLC	+596,961	1,169,486

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mid Cormorant Asset Management, LP	−1,275,000	3,205,433
Mega GOLDMAN SACHS GROUP INC	−1,000,799	129,434
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	−488,682	719,942
Mid ADAR1 Capital Management, LLC	−450,137	27,000
Large Holocene Advisors, LP	−350,000	250,000

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega T. Rowe Price Investment Management, Inc.	4,280,624	$83,343,749
Mega Jupiter Topco LLC	3,085,906	$60,082,589
Small Trails Edge Capital Partners, LP	750,000	$14,602,500
Large Caption Management, LLC	455,800	$8,874,426
Mid Capricorn Fund Managers Ltd	374,866	$7,298,641

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mega JANUS HENDERSON GROUP PLC	3,451,628	$64,338,345
Large Jefferies Financial Group Inc.	500,000	$9,320,000
Mid Casdin Capital, LLC	450,000	$8,388,000
Small First Turn Management, LLC	315,563	$5,882,094
Small Ishara Investments LP	174,250	$3,248,020

Filter: New 44 Increased 73 Reduced 44 Sold out 18 Unchanged 14

Showing 100 of 186

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BVF INC/IL

$311,544,999

21.28%

16,001,284

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BVF PARTNERS L P/IL	16,001,284	$311,544,999	100.0%	Defined

Deep Track Capital, LP

$136,271,016

9.31%

6,999,025

T. Rowe Price Investment Management, Inc.

$83,343,749

5.69%

4,280,624

D. E. Shaw & Co., Inc.

$65,526,421

4.48%

3,365,507

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	3,365,507	$65,526,421	100.0%	Defined

Cormorant Asset Management, LP

$62,409,780

4.26%

3,205,433

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Chen Bihua	3,205,433	$62,409,780	100.0%	Defined

Jupiter Topco LLC

$60,082,589

4.10%

3,085,906

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JANUS HENDERSON INVESTORS UK Ltd	19,100	$371,877	0.6%	Defined
JANUS HENDERSON INVESTORS US LLC	3,066,806	$59,710,712	99.4%	Defined

Logos Global Management LP

$52,082,250

3.56%

2,675,000

Weiss Asset Management LP

$50,267,899

3.43%

2,581,813

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WEISS ANDREW M joint	2,581,813	$50,267,899	100.0%	Defined

CITADEL ADVISORS LLC

$38,412,226

2.62%

1,972,893

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	1,972,893	$38,412,226	100.0%	Defined

TWO SIGMA INVESTMENTS, LP

$33,397,845

2.28%

1,715,349

MPM BIOIMPACT LLC

$31,287,647

2.14%

1,606,967

Vivo Capital, LLC

$27,258,000

1.86%

1,400,000

JPMORGAN CHASE & CO

$26,993,635

1.84%

1,386,422

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	991,389	$19,302,343	71.5%	Defined
J.P. Morgan Securities plc	4,333	$84,363	0.3%	Defined
J.P. MORGAN MANSART MANAGEMENT Ltd	390,700	$7,606,929	28.2%	Defined

Point72 Asset Management, L.P.

$22,560,512

1.54%

1,158,732

BlackRock, Inc.

$21,315,574

1.46%

1,094,791

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	130,756	$2,545,819	11.9%	Sole
BlackRock Investment Management (Australia) Ltd	5	$97	0.0%	Sole
BlackRock Asset Management Canada Ltd	26,409	$514,183	2.4%	Sole
BlackRock Investment Management, LLC	30,212	$588,227	2.8%	Sole
BLACKROCK ADVISORS LLC	240,853	$4,689,407	22.0%	Sole
BlackRock Fund Advisors	100,193	$1,950,757	9.2%	Sole
BlackRock Institutional Trust Company, N.A.	53,980	$1,050,990	4.9%	Sole
BlackRock Fund Managers Ltd.	8,676	$168,921	0.8%	Sole
BlackRock Investment Management (UK) Ltd.	54,284	$1,056,909	5.0%	Sole
BlackRock Asset Management Ireland Ltd	47,780	$930,276	4.4%	Sole
BlackRock (Luxembourg) S.A.	343,128	$6,680,702	31.3%	Sole
BlackRock Asset Management Schweiz AG	3,339	$65,010	0.3%	Sole
Aperio Group, LLC	55,176	$1,074,276	5.0%	Sole

PRICE T ROWE ASSOCIATES INC /MD/

$20,278,530

1.38%

1,041,527

Balyasny Asset Management L.P.

$17,770,561

1.21%

912,715

GREAT POINT PARTNERS LLC

$16,662,679

1.14%

855,813

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JAY JEFFREY R joint	855,813	$16,662,679	100.0%	Defined

JANE STREET GROUP, LLC

$16,615,424

1.13%

853,386

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	453,244	$8,824,660	53.1%	Defined
Jane Street Global Trading, LLC	400,142	$7,790,764	46.9%	Defined

Candriam S.C.A.

$14,987,344

1.02%

769,766

BANK OF AMERICA CORP /DE/

$14,639,433

1.00%

751,897

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	707,717	$13,779,249	94.1%	Defined
MANAGED ACCOUNT ADVISORS LLC joint	44,180	$860,184	5.9%	Defined

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

$14,617,628

1.00%

750,777

Trails Edge Capital Partners, LP

$14,602,500

1.00%

750,000

HRT FINANCIAL LP

$13,224,880

0.90%

679,244

RENAISSANCE TECHNOLOGIES LLC

$12,524,427

0.86%

643,268

MILLENNIUM MANAGEMENT LLC

$12,386,560

0.85%

636,187

MORGAN STANLEY

$10,973,328

0.75%

563,602

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	2,231	$43,437	0.4%	Defined
MORGAN STANLEY & CO. LLC	1	$19	0.0%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	545,080	$10,612,707	96.7%	Defined
MORGAN STANLEY SMITH BARNEY LLC	9,362	$182,278	1.7%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	6,928	$134,887	1.2%	Defined

MARSHALL WACE, LLP

$10,715,333

0.73%

550,351

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	550,351	$10,715,333	100.0%	Other

Qube Research & Technologies Ltd

$9,661,831

0.66%

496,242

ALGERT GLOBAL LLC

$7,534,111

0.51%

386,960

Rhenman & Partners Asset Management AB

$7,492,056

0.51%

384,800

Trexquant Investment LP

$7,358,608

0.50%

377,946

Capricorn Fund Managers Ltd

$7,298,641

0.50%

374,866

AQR CAPITAL MANAGEMENT LLC

$6,987,468

0.48%

358,884

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Petros Family Wealth, LLC	56	$1,090	0.0%	Other
KEB ASSET MANAGEMENT, LLC	59	$1,148	0.0%	Other
RF&L WEALTH MANAGEMENT, LLC	10	$194	0.0%	Other
Prism Planning Partners LLC	64	$1,246	0.0%	Other
Compound Planning, Inc.	9	$175	0.0%	Other
Arax Advisory Partners	1,866	$36,331	0.5%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	735	$14,310	0.2%	Other
Stokes Family Office, LLC	110	$2,141	0.0%	Other
Held directly	355,975	$6,930,833	99.2%	Defined

BNP PARIBAS ARBITRAGE, SA

$6,649,725

0.45%

341,537

Jump Financial, LLC

$6,546,650

0.45%

336,243

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jump Trading Holdings, LLC joint	3,813	$74,238	1.1%	Defined
Leap GP LLC joint	332,430	$6,472,412	98.9%	Defined

UBS Group AG

$6,396,323

0.44%

328,522

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	1,098	$21,378	0.3%	Defined
UBS AG	327,124	$6,369,104	99.6%	Defined
UBS Switzerland AG	300	$5,841	0.1%	Defined

Caption Management, LLC

$6,364,743

0.43%

326,900

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$6,249,870

0.43%

321,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	321,000	$6,249,870	100.0%	Other

Granahan Investment Management, LLC

$6,111,321

0.42%

313,884

Boxer Capital Management, LLC

$5,354,250

0.37%

275,000

JANE STREET GROUP, LLC

$5,334,780

0.36%

274,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	274,000	$5,334,780	100.0%	Defined

CITADEL ADVISORS LLC

$5,317,257

0.36%

273,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	273,100	$5,317,257	100.0%	Defined

Susquehanna Portfolio Strategies, LLC

$4,944,873

0.34%

253,974

Holocene Advisors, LP

$4,867,500

0.33%

250,000

Burkehill Global Management, LP

$4,867,500

0.33%

250,000

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$4,823,536

0.33%

247,742

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	247,742	$4,823,536	100.0%	Other

Walleye Capital LLC

$4,806,539

0.33%

246,869

J. Goldman & Co LP

$4,204,449

0.29%

215,945

Y-Intercept (Hong Kong) Ltd

$4,202,580

0.29%

215,849

ACUTA CAPITAL PARTNERS, LLC

$4,198,744

0.29%

215,652

CITADEL ADVISORS LLC

$4,123,746

0.28%

211,800

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	211,800	$4,123,746	100.0%	Defined

Verition Fund Management LLC

$4,032,275

0.28%

207,102

HighVista Strategies LLC

$3,659,308

0.25%

187,946

RICE HALL JAMES & ASSOCIATES, LLC

$3,578,605

0.24%

183,801

CONGRESS ASSET MANAGEMENT CO

$3,513,322

0.24%

180,448

Kalehua Capital Management LLC

$3,421,540

0.23%

175,734

Voleon Capital Management LP

$3,386,008

0.23%

173,909

Exome Asset Management LLC

$3,241,618

0.22%

166,493

Longaeva Partners L.P.

$3,145,514

0.21%

161,557

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Balyasny Asset Management L.P.	161,557	$3,145,514	100.0%	Other

XTX Topco Ltd

$2,968,629

0.20%

152,472

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	152,472	$2,968,629	100.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$2,943,864

0.20%

151,200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	151,200	$2,943,864	100.0%	Other

FMR LLC

$2,795,093

0.19%

143,559

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	143,558	$2,795,074	100.0%	Defined
STRATEGIC ADVISERS LLC	1	$19	0.0%	Defined

VANGUARD PORTFOLIO MANAGEMENT LLC

$2,537,466

0.17%

130,327

GOLDMAN SACHS GROUP INC

$2,520,079

0.17%

129,434

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	129,434	$2,520,079	100.0%	Defined

Caption Management, LLC

$2,509,683

0.17%

128,900

TD Asset Management Inc

$2,497,494

0.17%

128,274

Engineers Gate Manager LP

$2,172,657

0.15%

111,590

NOMURA ASSET MANAGEMENT INTERNATIONAL INC.

$2,141,700

0.15%

110,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NOMURA HOLDINGS INC joint	110,000	$2,141,700	100.0%	Defined

MANUFACTURERS LIFE INSURANCE COMPANY, THE

$2,133,522

0.15%

109,580

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MANULIFE FINANCIAL CORP joint	109,580	$2,133,522	100.0%	Defined

Quadrature Capital Ltd

$2,126,201

0.15%

109,204

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	109,204	$2,126,201	100.0%	Other

GSA CAPITAL PARTNERS LLP

$2,077,351

0.14%

106,695

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

$2,058,737

0.14%

105,739

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Asset Management Switzerland AG	86,553	$1,685,186	81.9%	Defined
Held directly	19,186	$373,551	18.1%	Defined

Polymer Capital Management (HK) LTD

$1,956,014

0.13%

100,463

Centiva Capital, LP

$1,947,000

0.13%

100,000

HEIGHTS CAPITAL MANAGEMENT, INC

$1,947,000

0.13%

100,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
CVI Investments, Inc.	100,000	$1,947,000	100.0%	Other

Ghisallo Capital Management LLC

$1,947,000

0.13%

100,000

J. Goldman & Co LP

$1,947,000

0.13%

100,000

SummitTX Capital, L.P.

$1,934,753

0.13%

99,371

Jain Global LLC

$1,929,983

0.13%

99,126

STATE STREET CORP

$1,697,122

0.12%

87,166

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS EUROPE LIMITED joint	87,166	$1,697,122	100.0%	Defined

Swiss National Bank

$1,695,837

0.12%

87,100

Squarepoint Ops LLC

$1,657,812

0.11%

85,147

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	85,147	$1,657,812	100.0%	Defined

Monashee Investment Management LLC

$1,460,250

0.10%

75,000

GEODE CAPITAL MANAGEMENT, LLC

$1,455,577

0.10%

74,760

Mariner, LLC

$1,418,876

0.10%

72,875

Lion Point Capital, LP

$1,314,225

0.09%

67,500

CAPITAL FUND MANAGEMENT S.A.

$1,273,221

0.09%

65,394

TUDOR INVESTMENT CORP ET AL

$1,143,667

0.08%

58,740

Headlands Technologies LLC

$1,111,483

0.08%

57,087

Stonepine Capital Management, LLC

$973,500

0.07%

50,000

Nuveen, LLC

$950,817

0.06%

48,835

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Nuveen Asset Management, LLC joint	15,169	$295,340	31.1%	Defined
TEACHERS ADVISORS, LLC joint	33,666	$655,477	68.9%	Defined

ExodusPoint Capital Management, LP

$908,197

0.06%

46,646

NORTHERN TRUST CORP

$888,998

0.06%

45,660

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	31,451	$612,350	68.9%	Defined
NORTHERN TRUST GLOBAL INVESTMENTS LTD	14,209	$276,648	31.1%	Defined

JANE STREET GROUP, LLC

$819,687

0.06%

42,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	42,100	$819,687	100.0%	Defined

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

$736,725

0.05%

37,839

VANGUARD ASSET MANAGEMENT, Ltd

$704,716

0.05%

36,195

FRED ALGER MANAGEMENT, LLC

$627,985

0.04%

32,254

Campbell & CO Investment Adviser LLC

$577,830

0.04%

29,678

Aquatic Capital Management LLC

$547,768

0.04%

28,134

Key facts CIK 1821586 CUSIP 61559X104 13F (30d) 115 filings 115 filers Visit website Investor relations