Jefferies Financial Group Inc. MLTX MOONLAKE IMMUNOTHERAPEUTICS

Ownership history in Jefferies Financial Group Inc.  ·  33 quarters on record

AI Ownership Summary

Jefferies Financial Group Inc. reported MOONLAKE IMMUNOTHERAPEUTICS (MLTX) in 33 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 0.06% in 2026 Q1. The latest visible filing shows MLTX at 0.06% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this MLTX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Jefferies Financial Group Inc.'s position in MOONLAKE IMMUNOTHERAPEUTICS, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

MLTX was reported at 0.06% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.06% in 2026 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How Jefferies Financial Group Inc. held MLTX — position size vs. price
% of Fund (quarterly)    MLTX price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 11 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 UNCHANGED 500,000 0% 0.06% $9.3M 2026-05-08 $17.06
2025 Q4 ADDED 500,000 +475,000 +1900.0% 0.03% $6.6M 2026-02-09 $15.75
2025 Q3 ADDED 25,000 +19,811 +381.8% 0.00% $179K 2025-11-13 $12.56
2025 Q2 REDUCED 48.1% -86.8% 5,189 -4,811 -48.1% 0.00% $245K 2025-08-14 (Est.) $54.88
2025 Q1 ADDED 10,000 +3,750 +60.0% 0.00% $391K 2025-05-08 $39.74
2024 Q4 REDUCED 29.0% -27.9% 6,250 -2,550 -29.0% 0.00% $338K 2025-02-14 $43.21
2024 Q1 REDUCED 28.6% -16.8% 8,800 -3,532 -28.6% 0.00% $442K 2024-05-13 $41.71
2024 Q1 REDUCED 12,332 -168 -1.3% 0.01% $619K 2024-05-13 $41.71
2023 Q4 ADDED 12,500 +1,925 +18.2% 0.00% $755K 2024-02-14 $62.50
2023 Q4 REDUCED 39.2% -19.5% 10,575 -6,825 -39.2% 0.00% $639K 2024-02-14 $62.50
2023 Q4 REDUCED 81.4% -19.5% 17,400 -76,389 -81.4% 0.01% $1.1M 2024-02-14 $62.50
22 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About Jefferies Financial Group Inc. and MLTX

These are the practical questions this page is built to answer before you even open the full history table.

How long has Jefferies Financial Group Inc. reported owning MLTX?

Jefferies Financial Group Inc. reported MLTX across 11 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported MLTX position in Jefferies Financial Group Inc.'s portfolio?

The largest reported portfolio weight for MLTX was 0.06% in 2026 Q1.

What is the latest reported MLTX position on this page?

The most recent filing on this page is 2026 Q1, when Jefferies Financial Group Inc. reported 500,000 shares, equal to 0.06% of portfolio, with an estimated market value of $9.3M.

What does the chart on this MLTX ownership page compare?

The chart compares Jefferies Financial Group Inc.'s quarterly MLTX portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did Jefferies Financial Group Inc. time their MLTX position?

Based on 13F filing dates vs. subsequent MLTX price moves, Jefferies Financial Group Inc. correctly timed 10 out of 13 reported position changes (77%). The annualised alpha on MLTX relative to SPY over the holding period was -19.1%.

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