AOSL — SEMICONDUCTOR Cmn

Ownership history in CITADEL ADVISORS LLC  ·  80 quarters on record

AI Ownership Summary

CITADEL ADVISORS LLC reported SEMICONDUCTOR Cmn (AOSL) in 80 quarterly 13F filings from 2023 Q3 through 2025 Q4. The latest visible filing shows AOSL 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 AOSL 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 SEMICONDUCTOR Cmn, 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

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

High-water mark
Peak Conviction
0.0% in 2023 Q3

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

Time in book
Holding Window
2023 Q3 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.

AOSL stock page CITADEL ADVISORS LLC fund profile CITADEL ADVISORS LLC full holdings
How CITADEL ADVISORS LLC held AOSL — position size vs. price
% of Fund (quarterly)    AOSL price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 27 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED 108,818 +85,718 +371.1% 0.00% $2.2M 2026-02-14 (Est.) $22.65
2025 Q4 REDUCED 23,100 -9,500 -29.1% 0.00% $458K 2026-02-14 (Est.) $22.65
2025 Q3 ADDED 32,600 +11,000 +50.9% 0.00% $911K 2025-11-14 $18.46
2025 Q3 ADDED 21,600 +1,127 +5.5% 0.00% $604K 2025-11-14 $18.46
2025 Q2 REDUCED 20,473 -23,327 -53.3% 0.00% $525K 2025-08-14 $27.06
2025 Q2 REDUCED 43,800 -34,500 -44.1% 0.00% $1.1M 2025-08-14 $27.06
2025 Q1 ADDED 78,300 +61,777 +373.9% 0.00% $1.9M 2025-05-15 $23.46
2025 Q1 REDUCED 16,523 -39,177 -70.3% 0.00% $411K 2025-05-15 $23.46
2025 Q1 REDUCED 55,700 -46,836 -45.7% 0.00% $1.4M 2025-05-15 $23.46
2024 Q4 ADDED 102,536 +54,436 +113.2% 0.00% $3.8M 2025-02-14 $34.74
2024 Q4 REDUCED 48,100 -3,800 -7.3% 0.00% $1.8M 2025-02-14 $34.74
2024 Q4 ADDED 51,900 +40,100 +339.8% 0.00% $1.9M 2025-02-14 $34.74
2024 Q3 REDUCED 11,800 -15,200 -56.3% 0.00% $438K 2024-11-14 $29.85
2024 Q3 ADDED 27,000 +10,217 +60.9% 0.00% $1.0M 2024-11-14 $29.85
2024 Q3 ADDED 16,783 +10,383 +162.2% 0.00% $623K 2024-11-14 $29.85
2024 Q2 REDUCED 6,400 -8,700 -57.6% 0.00% $239K 2024-08-14 $35.09
2024 Q2 REDUCED 15,100 -93,064 -86.0% 0.00% $564K 2024-08-14 $35.09
2024 Q2 ADDED 108,164 +98,364 +1003.7% 0.00% $4.0M 2024-08-14 $35.09
2024 Q1 REDUCED 9,800 -1,700 -14.8% 0.00% $216K 2024-05-15 $27.79
2024 Q1 REDUCED 11,500 -155,249 -93.1% 0.00% $253K 2024-05-15 $27.79
2024 Q1 ADDED 166,749 +159,349 +2153.4% 0.00% $3.7M 2024-05-15 $27.79
2023 Q4 REDUCED 7,400 -174,797 -95.9% 0.00% $193K 2024-02-14 $22.89
2023 Q4 ADDED 182,197 +164,997 +959.3% 0.00% $4.7M 2024-02-14 $22.89
2023 Q4 ADDED 17,200 +10,800 +168.8% 0.00% $448K 2024-02-14 $22.89
2023 Q3 REDUCED 6,400 -222,755 -97.2% 0.00% $191K 2023-11-14 $22.70
2023 Q3 ADDED 229,155 +214,055 +1417.6% 0.00% $6.8M 2023-11-14 $22.70
2023 Q3 REDUCED 15,100 -21,500 -58.7% 0.00% $451K 2023-11-14 $22.70
53 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding AOSL

As of 2025 Q4 — sorted by position size

Gagnon Advisors, LLC 3Y 7Y 1.51% GAGNON SECURITIES LLC 3Y 7Y 0.87% Uniplan Investment Counsel, Inc. 3Y 7Y 0.85% Mork Capital Management, LLC 3Y 7Y 0.54% Numerai GP LLC 3Y 0.29% Redwood Wealth Management Group, LLC 3Y 0.12% PEREGRINE CAPITAL MANAGEMENT LLC 3Y 7Y 0.11% ROYCE & ASSOCIATES LP 3Y 7Y 0.1% WINTON GROUP Ltd 3Y 7Y 0.09% AXQ CAPITAL, LP 3Y 0.09%

FAQ About CITADEL ADVISORS LLC and AOSL

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 AOSL?

CITADEL ADVISORS LLC reported AOSL across 27 quarterly 13F filings, from 2023 Q3 through 2025 Q4.

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

The largest reported portfolio weight for AOSL was 0.00% in 2023 Q3.

What is the latest reported AOSL position on this page?

The most recent filing on this page is 2025 Q4, when CITADEL ADVISORS LLC reported 108,818 shares, equal to 0.00% of portfolio, with an estimated market value of $2.2M.

What does the chart on this AOSL ownership page compare?

The chart compares CITADEL ADVISORS LLC's quarterly AOSL 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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