Jefferies Group's SLS Position Overview
Jefferies Group (via Jefferies Financial Group Inc.) currently holds 200,459 shares of SELLAS Life Sciences Group, Inc. (SLS) worth $2.96 M, representing 0.02% of the portfolio. First purchased in 2025-Q4, this short-term holding has been held for 3 quarters.
Based on 13F filings, Jefferies Group has maintained this position in SLS for several quarters, showing initial confidence in the investment. Largest addition occurred in Q2 2026, adding 200,459 shares. Largest reduction occurred in Q1 2026, reducing 10,100 shares.
Analysis based on 13F filings available since 2013 Q2
Jefferies Group's SELLAS Life Sciences Group (SLS) Holding Value Over Time
Track share changes against reported price movement
Quarterly SELLAS Life Sciences Group (SLS) Trades by Jefferies Group
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2026 | +200,459 | New Buy | 200,459 | $14.76 |
| Q1 2026 | -10,100 | Sold Out | 0 | $0.00 |
| Q4 2025 | +10,100 | New Buy | 10,100 | $3.77 |
Jefferies Group's SELLAS Life Sciences Group Investment FAQs
Jefferies Group first purchased SELLAS Life Sciences Group, Inc. (SLS) in Q4 2025, acquiring 10,100 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Jefferies Group has held SELLAS Life Sciences Group, Inc. (SLS) for 3 quarters since Q4 2025.
Jefferies Group's largest addition to SELLAS Life Sciences Group, Inc. (SLS) was in Q2 2026, adding 200,459 shares worth $2.96 M.
According to the latest 13F filing for Q2 2026, Jefferies Group's firm, Jefferies Financial Group Inc., owns 200,459 shares of SELLAS Life Sciences Group, Inc. (SLS), valued at approximately $2.96 M.
As of the Q2 2026 filing, SELLAS Life Sciences Group, Inc. (SLS) represents approximately 0.02% of Jefferies Group's publicly disclosed stock portfolio, making it one of their key holdings.
Jefferies Group's peak holding in SELLAS Life Sciences Group, Inc. (SLS) was 200,459 shares, as reported at the end of Q2 2026.