CITADEL ADVISORS LLC COSM — COSMOS HEALTH INC

Ownership history in CITADEL ADVISORS LLC  ·  10 quarters on record

AI Ownership Summary

CITADEL ADVISORS LLC reported COSMOS HEALTH INC (COSM) in 10 quarterly 13F filings from 2024 Q4 through 2026 Q2. The latest visible filing shows COSM 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.

What this COSM 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 COSMOS HEALTH INC, 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 Q2

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

High-water mark
Peak Conviction
0.0% in 2025 Q3

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

Time in book
Holding Window
2024 Q4 to 2026 Q2

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.

COSM stock page CITADEL ADVISORS LLC fund profile CITADEL ADVISORS LLC full holdings
How CITADEL ADVISORS LLC held COSM — position size vs. price
% of Fund (quarterly)    COSM price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 REDUCED 82.2% +94.7% ❌ 32,400 -149,700 -82.2% 0.00% $6K 2026-08-14 $0.22
2026 Q2 ADDED — — — 182,100 +141,794 +351.8% 0.00% $34K 2026-08-14 $0.22
2026 Q1 REDUCED 86.4% -46.9% ✅ 40,306 -255,994 -86.4% 0.00% $13K 2026-05-15 $0.30
2026 Q1 ADDED — — — 296,300 +173,144 +140.6% 0.00% $94K 2026-05-15 $0.30
2025 Q4 ADDED — — — 123,156 +107,556 +689.5% 0.00% $61K 2026-02-17 $0.37
2025 Q4 REDUCED 93.1% -36.0% ✅ 15,600 -209,907 -93.1% 0.00% $8K 2026-02-17 $0.37
2025 Q3 ADDED — — — 225,507 +128,776 +133.1% 0.00% $250K 2025-11-14 $0.72
2025 Q2 ADDED — — — 96,731 +73,731 +320.6% 0.00% $41K 2025-08-14 $0.88
2024 Q4 ADDED — — — 23,000 +16,800 +271.0% 0.00% $15K 2025-02-14 $0.62
2024 Q4 INITIATED — — — 6,200 — — 0.00% $4K 2025-02-14 $0.62

🏢 Other funds also holding COSM

As of 2026 Q2 — sorted by position size

Sassicaia Capital Advisers LLC 3Y 0.0% KESTRA PRIVATE WEALTH SERVICES, LLC 3Y 0.0% UBS Group AG 3Y 7Y 0.0% VANGUARD FIDUCIARY TRUST CO 0.0% JANE STREET GROUP, LLC 3Y 7Y 0.0% Tower Research Capital LLC (TRC) 3Y 7Y 0.0% GEODE CAPITAL MANAGEMENT, LLC 3Y 7Y 0.0% SBI Securities Co., Ltd. 0.0% NORTHERN TRUST CORP 3Y 7Y 0.0% Allworth Financial LP 3Y 7Y 0.0%

FAQ About CITADEL ADVISORS LLC and COSM

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 COSM?

CITADEL ADVISORS LLC reported COSM across 10 quarterly 13F filings, from 2024 Q4 through 2026 Q2.

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

The largest reported portfolio weight for COSM was 0.00% in 2025 Q3.

What is the latest reported COSM position on this page?

The most recent filing on this page is 2026 Q2, when CITADEL ADVISORS LLC reported 32,400 shares, equal to 0.00% of portfolio, with an estimated market value of $6K.

What does the chart on this COSM ownership page compare?

The chart compares CITADEL ADVISORS LLC's quarterly COSM 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 CITADEL ADVISORS LLC time their COSM position?

Based on 13F filing dates vs. subsequent COSM price moves, CITADEL ADVISORS LLC correctly timed 3 out of 9 reported position changes (33%). The annualised alpha on COSM relative to SPY over the holding period was +239.1%.

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