SDRL SEADRILL 2021 LTD

Ownership history in CITADEL ADVISORS LLC  ·  28 quarters on record

AI Ownership Summary

CITADEL ADVISORS LLC reported SEADRILL 2021 LTD (SDRL) in 28 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.01% in 2025 Q4. The latest visible filing shows SDRL 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 SDRL 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 SEADRILL 2021 LTD, 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

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

High-water mark
Peak Conviction
0.01% 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 SDRL — position size vs. price
% of Fund (quarterly)    SDRL price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 23 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 5,800 -1,271,492 -99.5% 0.00% $201K 2026-02-14 (Est.) $42.66
2025 Q4 ADDED 1,277,292 +1,209,679 +1789.1% 0.01% $44.2M 2026-02-14 (Est.) $42.66
2025 Q3 ADDED 67,613 +34,713 +105.5% 0.00% $2.0M 2025-11-14 $30.07
2025 Q3 ADDED 32,900 +15,700 +91.3% 0.00% $994K 2025-11-14 $30.07
2025 Q3 ADDED 17,200 +1,500 +9.6% 0.00% $520K 2025-11-14 $30.07
2025 Q2 REDUCED 15,700 -48,000 -75.4% 0.00% $412K 2025-08-14 $29.01
2025 Q2 REDUCED 63,700 -4,563 -6.7% 0.00% $1.7M 2025-08-14 $29.01
2025 Q1 REDUCED 68,263 -7,937 -10.4% 0.00% $1.7M 2025-05-15 $24.83
2025 Q1 ADDED 76,200 +33,300 +77.6% 0.00% $1.9M 2025-05-15 $24.83
2025 Q1 ADDED 42,900 +19,000 +79.5% 0.00% $1.1M 2025-05-15 $24.83
2024 Q4 ADDED 23,900 +15,400 +181.2% 0.00% $930K 2025-02-14 $31.14
2024 Q4 REDUCED 8,500 -51,300 -85.8% 0.00% $331K 2025-02-14 $31.14
2024 Q3 ADDED 59,800 +37,800 +171.8% 0.00% $2.4M 2024-11-14 $41.61
2024 Q3 ADDED 22,000 +15,581 +242.7% 0.00% $874K 2024-11-14 $41.61
2024 Q3 REDUCED 6,419 -81,381 -92.7% 0.00% $255K 2024-11-14 $41.61
2024 Q2 ADDED 87,800 +41,100 +88.0% 0.00% $4.5M 2024-08-14 $44.43
2024 Q2 ADDED 46,700 +1,600 +3.5% 0.00% $2.4M 2024-08-14 $44.43
2024 Q1 REDUCED 45,100 -148,673 -76.7% 0.00% $2.3M 2024-05-15 $50.99
2024 Q1 ADDED 193,773 +65,773 +51.4% 0.00% $9.7M 2024-05-15 $50.99
2024 Q1 ADDED 128,000 +123,000 +2460.0% 0.00% $6.4M 2024-05-15 $50.99
2023 Q4 REDUCED 5,000 -143,296 -96.6% 0.00% $236K 2024-02-14 $42.86
2023 Q4 ADDED 148,296 +97,296 +190.8% 0.00% $7.0M 2024-02-14 $42.86
2023 Q4 REDUCED 51,000 -158,143 -75.6% 0.00% $2.4M 2024-02-14 $42.86
5 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About CITADEL ADVISORS LLC and SDRL

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 SDRL?

CITADEL ADVISORS LLC reported SDRL across 23 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

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

The largest reported portfolio weight for SDRL was 0.01% in 2025 Q4.

What is the latest reported SDRL position on this page?

The most recent filing on this page is 2025 Q4, when CITADEL ADVISORS LLC reported 5,800 shares, equal to 0.00% of portfolio, with an estimated market value of $201K.

What does the chart on this SDRL ownership page compare?

The chart compares CITADEL ADVISORS LLC's quarterly SDRL 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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