Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MLTX held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BVF INC/IL | 16.0M | $298.3M | -19.0% | 21.736% | 9.50% |
| 2 | Deep Track Capital, LP | 6.4M | $119.5M | +39.0% | 8.706% | 2.47% |
| 3 | Cormorant Asset Management, LP | 4.5M | $83.5M | +2.9% | 6.086% | 4.19% |
| 4 | JANUS HENDERSON GROUP PLC | 3.5M | $64.3M | +64.7% | 4.689% | 0.03% |
| 5 | D. E. Shaw & Co., Inc. | 2.4M | $44.6M | -3.6% | 3.247% | 0.04% |
| 6 | MPM Oncology Impact Management LP | 1.8M | $33.8M | β | 2.460% | 2.61% |
| 7 | Weiss Asset Management LP | 1.7M | $31.8M | +413.1% | 2.321% | 0.69% |
| 8 | Logos Global Management LP | 1.5M | $28.0M | -14.3% | 2.038% | 1.40% |
| 9 | Point72 Asset Management, L.P. | 1.4M | $25.5M | +77.1% | 1.859% | 0.04% |
| 10 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1.2M | $22.5M | -2.1% | 1.642% | 0.00% |
| 11 | GOLDMAN SACHS GROUP INC | 1.1M | $21.1M | +317.6% | 1.535% | 0.00% |
| 12 | TWO SIGMA INVESTMENTS, LP | 1.1M | $20.9M | +43.0% | 1.525% | 0.02% |
| 13 | BALYASNY ASSET MANAGEMENT LLC | 1.1M | $19.9M | -32.2% | 1.448% | 0.07% |
| 14 | BlackRock, Inc. | 1.0M | $19.0M | +256.6% | 1.388% | 0.00% |
| 15 | Vivo Capital, LLC | 1.0M | $18.6M | 0.0% | 1.358% | 1.56% |
| 16 | Candriam Luxembourg S.C.A. | 818K | $15.2M | +509.0% | 1.111% | 0.08% |
| 17 | BANK OF AMERICA CORP /DE/ | 725K | $13.5M | +5255.8% | 0.985% | 0.00% |
| 18 | MORGAN STANLEY | 614K | $11.5M | -41.2% | 0.835% | 0.00% |
| 19 | Holocene Advisors, LP | 600K | $11.2M | β | 0.815% | 0.03% |
| 20 | MILLENNIUM MANAGEMENT LLC | 576K | $10.7M | -28.2% | 0.783% | 0.01% |
| 21 | Jefferies Financial Group Inc. | 500K | $9.3M | 0.0% | 0.679% | 0.06% |
| 22 | GREAT POINT PARTNERS LLC | 500K | $9.3M | β | 0.679% | 2.28% |
| 23 | Trexquant Investment LP | 495K | $9.2M | +168.7% | 0.673% | 0.09% |
| 24 | Casdin Capital, LLC | 450K | $8.4M | β | 0.611% | 0.64% |
| 25 | Longaeva Partners L.P. | 410K | $7.6M | β | 0.557% | 0.40% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in MLTX β a direct measure of their conviction.
Filings activity in MLTX during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new MLTX position in Q1 2026
Institutions that fully closed their MLTX position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 140 | +10% | 79.39% | +25.92 pp | $1.09B | +48% |
| Q4 2025 | 127 | +2.4% | 53.47% | +33.82 pp | $736M | +172% |
| Q3 2025 | 124 | 3.1% | 19.65% | 172.19 pp | $270M | 90% |
| Q2 2025 | 128 | 3.8% | 191.84% | +35.78 pp | $2.64B | +23% |
| Q1 2025 | 133 | +16% | 156.06% | 43.93 pp | $2.15B | 30% |
| Q4 2024 | 115 | +5.5% | 199.99% | +0.00 pp | $3.09B | +9.0% |
| Q3 2024 | 109 | +0.0% | 199.99% | +22.60 pp | $2.83B | +16% |
| Q2 2024 | 109 | β | 177.39% | β | $2.44B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MLTX stock.
Based on Q1 2026 13F filings, institutional ownership of MoonLake Immunotherapeutics stands at 79.4%, held across 140 reporting institutions.
BVF INC/IL is the largest reported institutional holder of MLTX, with approximately 16,001,284 shares worth $0.30B as of Q1 2026.
Yes β 4 widely-followed marquee investors appear among the top 25 institutional holders of MLTX, including Point72 Asset Management, L.P., SUSQUEHANNA INTERNATIONAL GROUP, LLP, TWO SIGMA INVESTMENTS, LP, MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for MLTX is 74 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
38 institutions opened new positions in MLTX during Q1 2026, while 25 fully exited. 78 added to existing positions and 23 trimmed.
MLTX institutional ownership rose by 25.92 percentage points quarter-over-quarter, with a net change of +13 holders.
The top 10 institutions account for 68.8% of all reported 13F value in MLTX, and the top 25 account for 87.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
MoonLake Immunotherapeutics (MLTX) Institutional Ownership