QDEL STK Cmn

Ownership history in CITADEL ADVISORS LLC  ·  116 quarters on record

AI Ownership Summary

CITADEL ADVISORS LLC reported STK Cmn (QDEL) in 116 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.01% in 2024 Q4. The latest visible filing shows QDEL 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 QDEL 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 STK 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

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

High-water mark
Peak Conviction
0.01% in 2024 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 QDEL — position size vs. price
% of Fund (quarterly)    QDEL price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 26 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED 38,600 +23,800 +160.8% 0.00% $1.1M 2026-02-14 (Est.) $23.58
2025 Q4 REDUCED 14,800 -154,210 -91.2% 0.00% $423K 2026-02-14 (Est.) $23.58
2025 Q3 ADDED 169,010 +141,110 +505.8% 0.00% $5.0M 2025-11-14 $21.34
2025 Q3 REDUCED 27,900 -2,400 -7.9% 0.00% $822K 2025-11-14 $21.34
2025 Q3 REDUCED 30,300 -16,685 -35.5% 0.00% $892K 2025-11-14 $21.34
2025 Q2 REDUCED 46,985 -275,315 -85.4% 0.00% $1.4M 2025-08-14 $25.95
2025 Q2 ADDED 322,300 +300,900 +1406.1% 0.00% $9.3M 2025-08-14 $25.95
2025 Q2 REDUCED 21,400 -628,525 -96.7% 0.00% $617K 2025-08-14 $25.95
2025 Q1 ADDED 649,925 +448,725 +223.0% 0.00% $22.7M 2025-05-15 $33.03
2025 Q1 ADDED 201,200 +187,300 +1347.5% 0.00% $7.0M 2025-05-15 $33.03
2025 Q1 REDUCED 13,900 -675,725 -98.0% 0.00% $486K 2025-05-15 $33.03
2024 Q4 ADDED 689,625 +675,825 +4897.3% 0.01% $30.7M 2025-02-14 $40.57
2024 Q4 ADDED 13,800 +100 +0.7% 0.00% $615K 2025-02-14 $40.57
2024 Q4 REDUCED 13,700 -49,728 -78.4% 0.00% $610K 2025-02-14 $40.57
2024 Q3 ADDED 63,428 +43,728 +222.0% 0.00% $2.9M 2024-11-14 $38.96
2024 Q3 REDUCED 19,700 -19,100 -49.2% 0.00% $898K 2024-11-14 $38.96
2024 Q3 ADDED 38,800 +25,095 +183.1% 0.00% $1.8M 2024-11-14 $38.96
2024 Q2 REDUCED 13,705 -14,595 -51.6% 0.00% $455K 2024-08-14 $43.52
2024 Q2 REDUCED 28,300 -49,600 -63.7% 0.00% $940K 2024-08-14 $43.52
2024 Q2 REDUCED 77,900 -177,816 -69.5% 0.00% $2.6M 2024-08-14 $43.52
2024 Q1 ADDED 255,716 +227,916 +819.8% 0.00% $12.3M 2024-05-15 $44.96
2024 Q1 REDUCED 27,800 -71,300 -71.9% 0.00% $1.3M 2024-05-15 $44.96
2024 Q1 ADDED 99,100 +57,884 +140.4% 0.00% $4.8M 2024-05-15 $44.96
2023 Q4 ADDED 41,216 +1,116 +2.8% 0.00% $3.0M 2024-02-14 $45.27
2023 Q4 REDUCED 40,100 -80,000 -66.6% 0.00% $3.0M 2024-02-14 $45.27
2023 Q4 REDUCED 120,100 -50,201 -29.5% 0.00% $8.9M 2024-02-14 $45.27
90 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding QDEL

As of 2026 Q1 — sorted by position size

GAMMA Investing LLC 0.0% Versant Capital Management, Inc 3Y 7Y 0.0%

FAQ About CITADEL ADVISORS LLC and QDEL

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 QDEL?

CITADEL ADVISORS LLC reported QDEL across 26 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

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

The largest reported portfolio weight for QDEL was 0.01% in 2024 Q4.

What is the latest reported QDEL position on this page?

The most recent filing on this page is 2025 Q4, when CITADEL ADVISORS LLC reported 38,600 shares, equal to 0.00% of portfolio, with an estimated market value of $1.1M.

What does the chart on this QDEL ownership page compare?

The chart compares CITADEL ADVISORS LLC's quarterly QDEL 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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