MOONLAKE IMMUNOTHERAPEUTICS MLTX
CLASS A ORD · Common Stock · CUSIP 61559X104
- SectorHealth care
- IndustryPharmaceutical Preparations
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($36.3k this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $19.48. Options: 12 managers hold calls ($33.5m notional), 7 hold puts ($11.2m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 24 |
| Q4 2022 | 34 |
| Q1 2023 | 44 |
| Q2 2023 | 85 |
| Q3 2023 | 120 |
| Q4 2023 | 127 |
| Q1 2024 | 115 |
| Q2 2024 | 112 |
| Q3 2024 | 110 |
| Q4 2024 | 117 |
| Q1 2025 | 137 |
| Q2 2025 | 131 |
| Q3 2025 | 134 |
| Q4 2025 | 131 |
| Q1 2026 | 147 |
| Q2 2026 | 173 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 67 | 42 |
| Q4 2024 | 66 | 45 |
| Q1 2025 | 66 | 56 |
| Q2 2025 | 58 | 79 |
| Q3 2025 | 80 | 85 |
| Q4 2025 | 98 | 70 |
| Q1 2026 | 86 | 65 |
| Q2 2026 | 112 | 59 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $33.1m | $14.4m | 0.43 |
| Q4 2025 | $37.5m | $13.6m | 0.36 |
| Q1 2026 | $34.0m | $9.3m | 0.27 |
| Q2 2026 | $33.5m | $11.2m | 0.34 |
Biggest buyers
| T. Rowe Price Investment Management, Inc. | New | +4.3m |
| Logos Global Management LP | Added | +1.2m |
| D. E. Shaw & Co., Inc. | Added | +974.8k |
| Weiss Asset Management LP | Added | +873.5k |
| Trails Edge Capital Partners, LP | New | +750.0k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Added | +680.6k |
| CITADEL ADVISORS LLC | Added | +649.2k |
| TWO SIGMA INVESTMENTS, LP | Added | +593.0k |
| Deep Track Capital, LP | Added | +590.2k |
| Qube Research & Technologies Ltd | Added | +453.3k |
Biggest sellers
| Cormorant Asset Management, LP | Reduced | -1.3m |
| GOLDMAN SACHS GROUP INC | Reduced | -1.0m |
| Jefferies Financial Group Inc. | Sold out | -500.0k |
| Casdin Capital, LLC | Sold out | -450.0k |
| ADAR1 Capital Management, LLC | Reduced | -430.1k |
| Holocene Advisors, LP | Reduced | -350.0k |
| First Turn Management, LLC | Sold out | -315.6k |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -253.3k |
| Longaeva Partners L.P. | Reduced | -248.4k |
| Point72 Asset Management, L.P. | Reduced | -209.8k |
Biggest calls
| Caption Management, LLC | New | $6.4m326.9k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $6.2m321.0k shares |
| JANE STREET GROUP, LLC | Added | $5.3m274.0k shares |
| CITADEL ADVISORS LLC | Reduced | $5.3m273.1k shares |
| GROUP ONE TRADING LLC | Added | $3.6m183.0k shares |
| J. Goldman & Co LP | New | $1.9m100.0k shares |
| Centiva Capital, LP | Reduced | $1.9m100.0k shares |
| IMC-Chicago, LLC | Reduced | $1.1m54.5k shares |
| SIMPLEX TRADING, LLC | Reduced | $1.1m54.3k shares |
| TUDOR INVESTMENT CORP ET AL | Added | $379.7k19.5k shares |
Biggest puts
| CITADEL ADVISORS LLC | Added | $4.1m211.8k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $2.9m151.2k shares |
| Caption Management, LLC | New | $2.5m128.9k shares |
| JANE STREET GROUP, LLC | Added | $819.7k42.1k shares |
| SIMPLEX TRADING, LLC | Added | $687.3k35.3k shares |
| GROUP ONE TRADING LLC | Reduced | $105.1k5.4k shares |
| Walleye Capital LLC | Reduced | $52.6k2.7k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BIOTECHNOLOGY VALUE FUND L P 13D · may seek influence -2.6 pts · filed 2026-06-29 | 19.7% |
| Deep Track Capital, LP 13G · passive investor +3.3 pts · filed 2026-08-14 | 9.7% |
| T. Rowe Price Investment Management, Inc. 13G · institution new · filed 2026-08-14 | 5.3% |
Fell to 5% or below in the last year: Cormorant Asset Management, LP (4.3%, 2026-08-14), Avoro Capital Advisors LLC (3.1%, 2025-11-14)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 2 | $109.2m | — |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 0 | — | 1 | $1.1m | — |
| Q4 2025 | 1 | $98.8k | 2 | $4.0m | — |
| Q1 2026 | 0 | — | 1 | $63.0m | — |
| Q2 2026 | 0 | — | 3 | $8.8m | $6.0m |
| Q3 2026 | 0 | — | 2 | $5.3m | $5.3m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-07-27 | Reich Kristian Chief Scientific Officer · See footnote. | Sold plan | $22.0k1.1k shares |
| 2026-07-22 | Reich Kristian Chief Scientific Officer · See footnote. | Sold plan | $49.0k2.4k shares |
| 2026-07-21 | Reich Kristian Chief Scientific Officer · See footnote. | Sold plan | $1.0m50.0k shares |
| 2026-07-20 | Reich Kristian Chief Scientific Officer · See footnote. | Sold plan | $877.9k43.7k shares |
| 2026-07-15 | Reich Kristian Chief Scientific Officer · See footnote. | Sold plan | $322.3k16.1k shares |
| 2026-07-10 | Santos da Silva Jorge Chief Executive Officer, director | Sold plan | $1.4m68.3k shares |
| 2026-07-09 | Santos da Silva Jorge Chief Executive Officer, director | Sold plan | $679.1k33.9k shares |
| 2026-07-01 | Santos da Silva Jorge Chief Executive Officer, director | Sold plan | $956.9k47.8k shares |
| 2026-06-22 | Bodenstedt Matthias Chief Financial Officer | Sold plan | $862.2k39.1k shares |
| 2026-06-18 | Bodenstedt Matthias Chief Financial Officer | Sold plan | $54.8k2.8k shares |
| 2026-06-17 | Reich Kristian Chief Scientific Officer · See footnote. | Sold plan | $971.5k50.0k shares |
| 2026-06-17 | Bodenstedt Matthias Chief Financial Officer | Sold plan | $296.8k15.1k shares |
| 2026-06-16 | Reich Kristian Chief Scientific Officer · See footnote. | Sold plan | $935.0k50.0k shares |
| 2026-06-15 | Reich Kristian Chief Scientific Officer · See footnote. | Sold plan | $944.5k50.0k shares |
| 2026-05-11 | Bodenstedt Matthias Chief Financial Officer | Sold plan | $273.3k13.7k shares |
| 2026-04-14 | Bodenstedt Matthias Chief Financial Officer | Sold plan | $47.5k2.4k shares |
| 2026-04-13 | Santos da Silva Jorge Chief Executive Officer, director | Sold | $945.6k51.9k shares |
| 2026-04-10 | Santos da Silva Jorge Chief Executive Officer, director | Sold | $1.8m98.1k shares |
| 2026-04-10 | Bodenstedt Matthias Chief Financial Officer | Sold plan | $37.6k1.9k shares |
| 2026-04-09 | Bodenstedt Matthias Chief Financial Officer | Sold plan | $1.6m85.9k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BVF INC/IL 7.97% of their portfolio | 16.0m $311.5m | Unchanged |
| Deep Track Capital, LP 2.01% of their portfolio | 7.0m $136.3m | Added +590.2k |
| T. Rowe Price Investment Management, Inc. 0.05% of their portfolio | 4.3m $83.3m | New |
| D. E. Shaw & Co., Inc. 0.04% of their portfolio | 3.4m $65.5m | Added +974.8k |
| Cormorant Asset Management, LP 3.20% of their portfolio | 3.2m $62.4m | Reduced -1.3m |
| Jupiter Topco LLC 0.02% of their portfolio | 3.1m $60.1m | First filing |
| Logos Global Management LP 2.24% of their portfolio | 2.7m $52.1m | Added +1.2m |
| Weiss Asset Management LP 0.56% of their portfolio | 2.6m $50.3m | Added +873.5k |
| CITADEL ADVISORS LLC 0.02% of their portfolio | 2.0m $38.4m | Added +649.2k |
| TWO SIGMA INVESTMENTS, LP 0.03% of their portfolio | 1.7m $33.4m | Added +593.0k |
| MPM BIOIMPACT LLC 1.91% of their portfolio | 1.6m $31.3m | Reduced -204.1k |
| Vivo Capital, LLC 2.49% of their portfolio | 1.4m $27.3m | Added +400.0k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 1.4m $27.6m | Added +297.9k |
| Point72 Asset Management, L.P. 0.03% of their portfolio | 1.2m $22.6m | Reduced -209.8k |
| BlackRock, Inc. 0.00% of their portfolio | 1.1m $21.3m | Added +72.9k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 1.0m $20.3m | Reduced -253.3k |
| Balyasny Asset Management L.P. 0.03% of their portfolio | 912.7k $17.8m | Reduced -152.9k |
| GREAT POINT PARTNERS LLC 3.93% of their portfolio | 855.8k $16.7m | Added +355.8k |
| JANE STREET GROUP, LLC 0.01% of their portfolio | 853.4k $16.6m | Added +399.8k |
| Candriam S.C.A. 0.07% of their portfolio | 769.8k $15.0m | Reduced -48.4k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 751.9k $14.6m | Added +27.1k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.01% of their portfolio | 750.8k $14.6m | Added +680.6k |
| Trails Edge Capital Partners, LP 2.32% of their portfolio | 750.0k $14.6m | New |
| HRT FINANCIAL LP 0.03% of their portfolio | 679.2k $13.2m | Added +191.7k |
| RENAISSANCE TECHNOLOGIES LLC 0.02% of their portfolio | 643.3k $12.5m | Added +366.5k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 636.2k $12.4m | Added +60.1k |
| MORGAN STANLEY 0.00% of their portfolio | 563.6k $11.0m | Reduced -50.9k |
| MARSHALL WACE, LLP 0.01% of their portfolio | 550.4k $10.7m | Added +439.0k |
| Qube Research & Technologies Ltd 0.01% of their portfolio | 496.2k $9.7m | Added +453.3k |
| ALGERT GLOBAL LLC 0.09% of their portfolio | 387.0k $7.5m | Added +235.7k |
| Rhenman & Partners Asset Management AB 0.71% of their portfolio | 384.8k $7.5m | Added +145.3k |
| Trexquant Investment LP 0.05% of their portfolio | 377.9k $7.4m | Reduced -117.4k |
| Capricorn Fund Managers Ltd 0.58% of their portfolio | 374.9k $7.3m | New |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 358.9k $7.0m | Added +312.7k |
| Kalehua Capital Management LLC 2.18% of their portfolio | 351.5k $6.8m | Unchanged |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 341.5k $6.6m | Added +101.7k |
| Jump Financial, LLC 0.06% of their portfolio | 336.2k $6.5m | Added +10.3k |
| UBS Group AG 0.00% of their portfolio | 328.5k $6.4m | Added +324.6k |
| Granahan Investment Management, LLC 0.22% of their portfolio | 313.9k $6.1m | Added +93.3k |
| Boxer Capital Management, LLC 0.40% of their portfolio | 275.0k $5.4m | Unchanged |
| Susquehanna Portfolio Strategies, LLC 0.08% of their portfolio | 254.0k $4.9m | Unchanged |
| Holocene Advisors, LP 0.01% of their portfolio | 250.0k $4.9m | Reduced -350.0k |
| Burkehill Global Management, LP 0.18% of their portfolio | 250.0k $4.9m | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 247.7k $4.8m | Reduced -93.7k |
| Walleye Capital LLC 0.02% of their portfolio | 246.9k $4.8m | Reduced -73.6k |
| J. Goldman & Co LP 0.15% of their portfolio | 215.9k $4.2m | Added +79.0k |
| Y-Intercept (Hong Kong) Ltd 0.08% of their portfolio | 215.8k $4.2m | Added +88.8k |
| ACUTA CAPITAL PARTNERS, LLC 2.93% of their portfolio | 215.7k $4.2m | Added +23.9k |
| Verition Fund Management LLC 0.03% of their portfolio | 207.1k $4.0m | New |
| HighVista Strategies LLC 0.83% of their portfolio | 187.9k $3.7m | Reduced -6.0k |
| RICE HALL JAMES & ASSOCIATES, LLC 0.17% of their portfolio | 183.8k $3.6m | Added +16.0k |
| CONGRESS ASSET MANAGEMENT CO 0.02% of their portfolio | 180.4k $3.5m | Added +1.9k |
| Voleon Capital Management LP 0.06% of their portfolio | 173.9k $3.4m | Reduced -199.1k |
| Exome Asset Management LLC 2.00% of their portfolio | 166.5k $3.2m | Reduced -48.9k |
| Longaeva Partners L.P. 0.09% of their portfolio | 161.6k $3.1m | Reduced -248.4k |
| XTX Topco Ltd 0.04% of their portfolio | 152.5k $3.0m | Added +40.4k |
| FMR LLC 0.00% of their portfolio | 143.6k $2.8m | Unchanged |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 130.3k $2.5m | Added +35.0k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 129.4k $2.5m | Reduced -1.0m |
| TD Asset Management Inc 0.00% of their portfolio | 128.3k $2.5m | Reduced -14.4k |
| Engineers Gate Manager LP 0.03% of their portfolio | 111.6k $2.2m | New |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.00% of their portfolio | 110.0k $2.1m | New |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 109.6k $2.1m | Reduced -9.4k |
| Quadrature Capital Ltd 0.02% of their portfolio | 109.2k $2.1m | New |
| GSA CAPITAL PARTNERS LLP 0.13% of their portfolio | 106.7k $2.1m | Added +26.5k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 105.7k $2.1m | Added +31.6k |
| Polymer Capital Management (HK) LTD 0.20% of their portfolio | 100.5k $2.0m | New |
| HEIGHTS CAPITAL MANAGEMENT, INC 0.45% of their portfolio | 100.0k $1.9m | New |
| Ghisallo Capital Management LLC 0.04% of their portfolio | 100.0k $1.9m | New |
| SummitTX Capital, L.P. 0.05% of their portfolio | 99.4k $1.9m | New |
| Jain Global LLC 0.02% of their portfolio | 99.1k $1.9m | Added +83.8k |
| STATE STREET CORP 0.00% of their portfolio | 87.2k $1.7m | Added +30.7k |
| Swiss National Bank 0.00% of their portfolio | 87.1k $1.7m | Added +25.6k |
| Squarepoint Ops LLC 0.00% of their portfolio | 85.1k $1.7m | Reduced -25.1k |
| Monashee Investment Management LLC 2.45% of their portfolio | 75.0k $1.5m | New |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 74.8k $1.5m | Added +2.5k |
| Mariner, LLC 0.00% of their portfolio | 72.9k $1.4m | Added +27.9k |
| Lion Point Capital, LP 6.29% of their portfolio | 67.5k $1.3m | Unchanged |
| CAPITAL FUND MANAGEMENT S.A. 0.01% of their portfolio | 65.4k $1.3m | Added +54.1k |
| TUDOR INVESTMENT CORP ET AL 0.00% of their portfolio | 58.7k $1.1m | Reduced -2.8k |
| Headlands Technologies LLC 0.12% of their portfolio | 57.1k $1.1m | Reduced -40.0k |
| Stonepine Capital Management, LLC 0.74% of their portfolio | 50.0k $973.5k | New |
| Nuveen, LLC 0.00% of their portfolio | 48.8k $950.8k | Added +15.4k |
| ExodusPoint Capital Management, LP 0.01% of their portfolio | 46.6k $908.2k | Reduced -73.7k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 45.7k $889.0k | Added +26.2k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 37.8k $736.7k | Added +8.5k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.00% of their portfolio | 36.2k $704.7k | Added +12.4k |
| FRED ALGER MANAGEMENT, LLC 0.00% of their portfolio | 32.3k $628.0k | New |
| Campbell & CO Investment Adviser LLC 0.03% of their portfolio | 29.7k $577.8k | New |
| Aquatic Capital Management LLC 0.02% of their portfolio | 28.1k $547.8k | New |
| Quantbot Technologies LP 0.02% of their portfolio | 27.8k $541.4k | Added +27.7k |
| Schonfeld Strategic Advisors LLC 0.00% of their portfolio | 27.6k $536.9k | Reduced -1.1k |
| ADAR1 Capital Management, LLC 0.02% of their portfolio | 27.0k $525.7k | Reduced -430.1k |
| ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio | 26.7k $516.0k | Added +10.2k |
| FOX RUN MANAGEMENT, L.L.C. 0.09% of their portfolio | 26.6k $517.7k | Added +10.1k |
| PRELUDE CAPITAL MANAGEMENT, LLC 0.04% of their portfolio | 26.0k $506.2k | Reduced -22.9k |
| IEQ CAPITAL, LLC 0.00% of their portfolio | 24.9k $483.9k | New |
| OPTIMIZE FINANCIAL INC. 0.17% of their portfolio | 24.3k $473.8k | Reduced -84 |
| Sound Capital Solutions LLC 0.11% of their portfolio | 24.3k $473.8k | First filing |
| IMC-Chicago, LLC 0.00% of their portfolio | 23.0k $448.7k | Added +11.7k |