MLTX Institutional Ownership
Who owns MoonLake Immunotherapeutics and what the big funds did with it last quarter, from every SEC 13F filing. 173 funds reported holding MLTX at Jun 30, 2026, together owning 86.3% of the company.
- ▲112 buying vs 60 selling
- ▲Held by funds +11.9 pts
- ▲Funds holding +25
- ▲Superinvestors: 3 added, 1 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 173 | 148 | +16.9% |
| In funds' top 10 | 3 | 3 | 0.0% |
| 13F shares | 73.4M | 63.3M | +16.0% |
| Held by funds | 86.3% | 74.4% | +11.9 pts |
| New positions | 40 | 37 | +8.1% |
| Increased | 72 | 50 | +44.0% |
| Reduced | 44 | 43 | +2.3% |
| Sold out | 16 | 21 | −23.8% |
| Calls (shares) | 563K | 212K | +165.4% |
| Puts (shares) | 132K | 6,400 | +1956.3% |
| Put/call ratio | 0.23 | 0.03 | +674.7% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in MLTX
All superinvestors →
Who owns MLTX
share of fund held shares- Index and passive funds2.1%
- Active managers and hedge funds90.5%
- Banks and brokers7.1%
- Pensions, insurers and other0.3%
The top 10 holders own 62.5% of all MLTX shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
23 funds changed their position- Capricorn Fund Managers LtdSold out−375K sh
- Y-Intercept (Hong Kong) LtdTrimmed−127K sh
- Congress Asset Management CoAdded+43K sh
- Achmea Investment Management B.V.New+38K sh
- BankPlus Wealth Management LLCNew+30K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Bvf Inc/il | 18.80% | 16M | $312M | 0 |
| 2 | Deep Track Capital, LP | 8.22% | 7M | $136M | +590K |
| 3 | T. Rowe Price Investment Management, Inc. | 5.03% | 4.3M | $83.3M | +4.3M |
| 4 | D. E. Shaw & Co., Inc. | 3.95% | 3.4M | $65.5M | +975K |
| 5 | Cormorant Asset Management, LP | 3.77% | 3.2M | $62.4M | −1.3M |
| 6 | Jupiter Topco LLC | 3.63% | 3.1M | $60.1M | – |
| 7 | Logos Global Management LP | 3.14% | 2.7M | $52.1M | +1.2M |
| 8 | Weiss Asset Management LP | 3.03% | 2.6M | $50.3M | +873K |
| 9 | Citadel Advisors LLC | 2.32% | 2M | $38.4M | +649K |
| 10 | Two Sigma Investments, LP | 2.02% | 1.7M | $33.4M | +593K |
- T. Rowe Price Investment Management, Inc.+4.3M sh+$83.3M
- Logos Global Management LP+1.2M sh+$22.9M
- D. E. Shaw & Co., Inc.+975K sh+$19M
- Weiss Asset Management LP+873K sh+$17M
- Trails Edge Capital Partners, LP+750K sh+$14.6M
- Arrowstreet Capital, Limited Partnership+681K sh+$13.3M
- Citadel Advisors LLC+649K sh+$12.6M
- Two Sigma Investments, LP+593K sh+$11.5M
- Cormorant Asset Management, LP−1.3M sh−$24.8M
- Goldman Sachs Group Inc−1M sh−$19.5M
- Jefferies Financial Group Inc.−500K sh−$9.3M
- Casdin Capital, LLC−450K sh−$8.4M
- ADAR1 Capital Management, LLC−430K sh−$8.4M
- Holocene Advisors, LP−350K sh−$6.8M
- First Turn Management, LLC−316K sh−$5.9M
- Price T Rowe Associates Inc /md/−253K sh−$4.9M
MLTX institutional ownership FAQ
Who owns the most MLTX stock?
In Q2 2026 13F filings the largest holder of MLTX was Bvf Inc/il, followed by Deep Track Capital, LP and T. Rowe Price Investment Management, Inc.. Index fund managers are usually the biggest holders of large companies.
What percentage of MLTX is owned by institutions?
Funds that file 13F reports held 86.3% of MLTX's shares at Jun 30, 2026, compared with 74.4% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying MLTX?
In Q2 2026, 112 funds bought MLTX (40 of them new positions) and 60 sold (16 sold out completely). Among well known investors, 3 added and 1 cut. Our fund sentiment for MLTX is strongly bullish.
What is MLTX's institutional put/call ratio?
Funds reported $2.6M of MLTX puts against $11M of calls, a put/call ratio of 0.23 (0.03 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this MLTX ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.