SLS SELLAS LIFE SCIENCES GROUP I

Ownership history in CITADEL ADVISORS LLC  ·  56 quarters on record

AI Ownership Summary

CITADEL ADVISORS LLC reported SELLAS LIFE SCIENCES GROUP I (SLS) in 56 quarterly 13F filings from 2023 Q4 through 2025 Q4. The latest visible filing shows SLS at 0.00% 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 SLS ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CITADEL ADVISORS LLC's position in SELLAS LIFE SCIENCES GROUP I, 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
2025 Q4

SLS was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% in 2025 Q4

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 2025 Q4

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 CITADEL ADVISORS LLC held SLS — position size vs. price
% of Fund (quarterly)    SLS price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 24 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 96,700 -1,796,900 -94.9% 0.00% $365K 2026-02-14 (Est.) $3.59
2025 Q4 ADDED 1,893,600 +1,699,243 +874.3% 0.00% $7.1M 2026-02-14 (Est.) $3.59
2025 Q3 ADDED 194,357 +128,957 +197.2% 0.00% $313K 2025-11-14 $1.43
2025 Q3 REDUCED 65,400 -467,700 -87.7% 0.00% $105K 2025-11-14 $1.43
2025 Q3 ADDED 533,100 +448,107 +527.2% 0.00% $858K 2025-11-14 $1.43
2025 Q2 ADDED 84,993 +51,993 +157.6% 0.00% $186K 2025-08-14 $1.55
2025 Q2 REDUCED 33,000 -426,900 -92.8% 0.00% $72K 2025-08-14 $1.55
2025 Q2 ADDED 459,900 +110,395 +31.6% 0.00% $1.0M 2025-08-14 $1.55
2025 Q1 ADDED 349,505 +323,205 +1228.9% 0.00% $377K 2025-05-15 $1.60
2025 Q1 REDUCED 26,300 -238,300 -90.1% 0.00% $28K 2025-05-15 $1.60
2025 Q1 REDUCED 264,600 -220,717 -45.5% 0.00% $286K 2025-05-15 $1.60
2024 Q4 ADDED 485,317 +456,617 +1591.0% 0.00% $505K 2025-02-14 $1.32
2024 Q4 REDUCED 28,700 -197,700 -87.3% 0.00% $30K 2025-02-14 $1.32
2024 Q4 ADDED 226,400 +179,081 +378.5% 0.00% $235K 2025-02-14 $1.32
2024 Q3 REDUCED 47,319 -27,381 -36.7% 0.00% $59K 2024-11-14 $1.27
2024 Q3 REDUCED 74,700 -88,100 -54.1% 0.00% $93K 2024-11-14 $1.27
2024 Q3 ADDED 162,800 +151,100 +1291.5% 0.00% $204K 2024-11-14 $1.27
2024 Q2 REDUCED 11,700 -136,500 -92.1% 0.00% $14K 2024-08-14 $1.20
2024 Q2 ADDED 148,200 +128,482 +651.6% 0.00% $176K 2024-08-14 $1.20
2024 Q1 ADDED 19,718 +18,118 +1132.4% 0.00% $20K 2024-05-15 $1.47
2024 Q1 REDUCED 1,600 -145,800 -98.9% 0.00% $2K 2024-05-15 $1.47
2024 Q1 ADDED 147,400 +132,100 +863.4% 0.00% $149K 2024-05-15 $1.47
2023 Q4 REDUCED 15,300 -250,700 -94.2% 0.00% $16K 2024-02-14 $0.71
2023 Q4 ADDED 266,000 +248,900 +1455.6% 0.00% $282K 2024-02-14 $0.71
32 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding SLS

As of 2026 Q1 — sorted by position size

First Financial Bank - Trust Division 3Y 7Y 0.0%

FAQ About CITADEL ADVISORS LLC and SLS

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

How long has CITADEL ADVISORS LLC reported owning SLS?

CITADEL ADVISORS LLC reported SLS across 24 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported SLS position in CITADEL ADVISORS LLC's portfolio?

The largest reported portfolio weight for SLS was 0.00% in 2025 Q4.

What is the latest reported SLS position on this page?

The most recent filing on this page is 2025 Q4, when CITADEL ADVISORS LLC reported 96,700 shares, equal to 0.00% of portfolio, with an estimated market value of $365K.

What does the chart on this SLS ownership page compare?

The chart compares CITADEL ADVISORS LLC's quarterly SLS 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.

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