MEIP β€” MEI PHARMA INC

Ownership history in CITADEL ADVISORS LLC  Β·  57 quarters on record

AI Ownership Summary

CITADEL ADVISORS LLC reported MEI PHARMA INC (MEIP) in 57 quarterly 13F filings from 2024 Q1 through 2025 Q4. The latest visible filing shows MEIP 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 MEIP 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 MEI PHARMA 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
2025 Q4

MEIP 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 Q1 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 MEIP β€” position size vs. price
% of Fund (quarterly)    MEIP price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 16 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED 1,378,311 +1,323,411 +2410.6% 0.00% $1.8M 2026-02-14 (Est.) $1.12
2025 Q4 REDUCED 54,900 -2,046,370 -97.4% 0.00% $72K 2026-02-14 (Est.) $1.12
2025 Q3 ADDED 2,101,270 +2,079,770 +9673.3% 0.00% $5.1M 2025-11-14 β€”
2025 Q3 REDUCED 21,500 -46,000 -68.1% 0.00% $52K 2025-11-14 β€”
2025 Q3 ADDED 67,500 +30,354 +81.7% 0.00% $163K 2025-11-14 β€”
2025 Q1 ADDED 37,146 +36,546 +6091.0% 0.00% $81K 2025-05-15 β€”
2025 Q1 REDUCED 600 -12,000 -95.2% 0.00% $1K 2025-05-15 β€”
2025 Q1 REDUCED 12,600 -24,065 -65.6% 0.00% $28K 2025-05-15 β€”
2024 Q4 ADDED 36,665 +24,065 +191.0% 0.00% $90K 2025-02-14 β€”
2024 Q4 ADDED 12,600 +12,200 +3050.0% 0.00% $31K 2025-02-14 β€”
2024 Q4 REDUCED 400 -15,487 -97.5% 0.00% $984 2025-02-14 β€”
2024 Q2 ADDED 15,887 +15,287 +2547.8% 0.00% $46K 2024-08-14 β€”
2024 Q2 ADDED 600 +300 +100.0% 0.00% $2K 2024-08-14 β€”
2024 Q2 REDUCED 300 -390 -56.5% 0.00% $873 2024-08-14 β€”
2024 Q1 REDUCED 690 -16,210 -95.9% 0.00% $3K 2024-05-15 β€”
2024 Q1 ADDED 16,900 +16,382 +3162.5% 0.00% $68K 2024-05-15 β€”
41 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding MEIP

As of 2026 Q1 β€” sorted by position size

Farther Finance Advisors, LLC 0.0%

FAQ About CITADEL ADVISORS LLC and MEIP

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 MEIP?

CITADEL ADVISORS LLC reported MEIP across 16 quarterly 13F filings, from 2024 Q1 through 2025 Q4.

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

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

What is the latest reported MEIP position on this page?

The most recent filing on this page is 2025 Q4, when CITADEL ADVISORS LLC reported 1,378,311 shares, equal to 0.00% of portfolio, with an estimated market value of $1.8M.

What does the chart on this MEIP ownership page compare?

The chart compares CITADEL ADVISORS LLC's quarterly MEIP 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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