Who owns MLTX?
Institutional ownership of MoonLake Immunotherapeutics from Form 13F, Q2 2026
173 institutional managers reported holding MoonLake Immunotherapeutics (MLTX) in Form 13F filings for Q2 2026, with 73,413,782 shares worth $1.4B. The largest reported holder was BVF Inc. Managers that filed both quarters added a net 10,480,875 shares (+17.5%). 40 opened new positions and 14 sold out.
- Funds holding
- 173
- Value held
- $1.4B
- New / sold out
- 40 / 14
- Net shares, same filers
- +17.5%
Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
Largest holders of MLTX
| Fund | Value | Share of 13F holdings | Shares | Move |
|---|---|---|---|---|
| BVF Inc | $312M | 21.8% | 16,001,284 | Unchanged |
| Deep Track Capital, LP | $136M | 9.5% | 6,999,025 | Added |
| T. Rowe Price Investment Management, Inc. | $83.3M | 5.8% | 4,280,624 | New |
| D. E. Shaw & Co., Inc. | $65.5M | 4.6% | 3,365,507 | Added |
| Cormorant Asset Management, LP | $62.4M | 4.4% | 3,205,433 | Trimmed |
| Jupiter Topco LLC | $60.1M | 4.2% | 3,085,906 | First report |
| Logos Global Management LP | $52.1M | 3.6% | 2,675,000 | Added |
| Weiss Asset Management LP | $50.3M | 3.5% | 2,581,813 | Added |
| Citadel Advisors LLC | $38.4M | 2.7% | 1,972,893 | Added |
| Two Sigma Investments, LP | $33.4M | 2.3% | 1,715,349 | Added |
| MPM Bioimpact LLC | $31.3M | 2.2% | 1,606,967 | Trimmed |
| JPMorgan Chase & Co | $27.6M | 1.9% | 1,386,422 | Added |
| Vivo Capital, LLC | $27.3M | 1.9% | 1,400,000 | Added |
| Point72 Asset Management, L.P. | $22.6M | 1.6% | 1,158,732 | Trimmed |
| BlackRock, Inc. | $21.3M | 1.5% | 1,094,791 | Added |
| Price T Rowe Associates Inc | $20.3M | 1.4% | 1,041,527 | Trimmed |
| Balyasny Asset Management L.P. | $17.8M | 1.2% | 912,715 | Trimmed |
| Great Point Partners LLC | $16.7M | 1.2% | 855,813 | Added |
| Jane Street Group, LLC | $16.6M | 1.2% | 853,386 | Added |
| Candriam S.C.A. | $15.0M | 1.0% | 769,766 | Trimmed |
| Bank of America Corp | $14.6M | 1.0% | 751,897 | Added |
| Arrowstreet Capital, Limited Partnership | $14.6M | 1.0% | 750,777 | Added |
| Trails Edge Capital Partners, LP | $14.6M | 1.0% | 750,000 | New |
| HRT Financial LP | $13.2M | 0.9% | 679,244 | Added |
| Renaissance Technologies LLC | $12.5M | 0.9% | 643,268 | Added |
Share of 13F holdings is each fund's shares as a share of the 73,413,782 MLTX shares all 13F filers reported, not of shares outstanding.
Biggest buyers in Q2 2026
- T. Rowe Price Investment Management, Inc. New+$83.3M
- Logos Global Management LP Added+$22.9M
- D. E. Shaw & Co., Inc. Added+$19.0M
- Weiss Asset Management LP Added+$17.0M
- Trails Edge Capital Partners, LP New+$14.6M
- Arrowstreet Capital, Limited Partnership Added+$13.3M
- Citadel Advisors LLC Added+$12.6M
- Two Sigma Investments, LP Added+$11.5M
- Deep Track Capital, LP Added+$11.5M
- Qube Research & Technologies Ltd Added+$8.8M
Biggest sellers in Q2 2026
- Cormorant Asset Management, LP Trimmed-$24.8M
- Goldman Sachs Group Inc Trimmed-$19.5M
- Jefferies Financial Group Inc. Sold out-$9.3M
- Casdin Capital, LLC Sold out-$8.4M
- ADAR1 Capital Management, LLC Trimmed-$8.4M
- Holocene Advisors, LP Trimmed-$6.8M
- First Turn Management, LLC Sold out-$5.9M
- Price T Rowe Associates Inc Trimmed-$4.9M
- Longaeva Partners L.P. Trimmed-$4.8M
- Point72 Asset Management, L.P. Trimmed-$4.1M
The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $341M and sold $135M; 72 added and 44 trimmed.
Schedule 13D and 13G filings on MLTX
Owners of more than 5% must file within days, so these can be newer than the 13F data.
- 2026-02-17Cormorant Asset Management, LP SCHEDULE 13G filed by MoonLake ImmunotherapeuticsSchedule 13G
- 2025-08-14Avoro Capital Advisors LLC SCHEDULE 13G filed by MoonLake ImmunotherapeuticsSchedule 13G
- 2025-02-14PRICE T ROWE ASSOCIATES INC /MD/ SCHEDULE 13G filed by MoonLake ImmunotherapeuticsSchedule 13G
Questions about MLTX ownership
- Who owns MLTX stock?
- 173 institutional investment managers reported MLTX positions in their Form 13F filings for Q2 2026, holding 73,413,782 shares worth $1.4B in total. BVF Inc reported the largest position.
- Are funds buying or selling MLTX?
- In Q2 2026, 40 managers opened new MLTX positions, 72 added, 44 trimmed and 14 sold out. Managers that filed in both quarters added a net 10,480,875 shares.
- How current is this MLTX institutional ownership data?
- It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to MLTX by CUSIP. Options are left out. MLTX news and filings · MLTX insider trades · Top funds