IAS INTEGRAL AD SCIENCE HLDNG CO

Ownership history in CITADEL ADVISORS LLC  ·  37 quarters on record

AI Ownership Summary

CITADEL ADVISORS LLC reported INTEGRAL AD SCIENCE HLDNG CO (IAS) in 37 quarterly 13F filings from 2023 Q3 through 2025 Q3. The latest visible filing shows IAS 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 IAS 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 INTEGRAL AD SCIENCE HLDNG CO, 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 Q3

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

High-water mark
Peak Conviction
0.0% in 2023 Q4

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 Q3

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 IAS — position size vs. price
% of Fund (quarterly)    IAS price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 24 quarters  
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 24,900 -38,917 -61.0% 0.00% $253K 2025-11-14
2025 Q2 ADDED 63,817 +51,417 +414.7% 0.00% $530K 2025-08-14
2025 Q2 REDUCED 12,400 -124,483 -90.9% 0.00% $103K 2025-08-14
2025 Q1 ADDED 136,883 +135,083 +7504.6% 0.00% $1.1M 2025-05-15
2025 Q1 REDUCED 1,800 -9,600 -84.2% 0.00% $15K 2025-05-15
2025 Q1 REDUCED 11,400 -694,943 -98.4% 0.00% $92K 2025-05-15
2024 Q4 ADDED 706,343 +701,943 +15953.2% 0.00% $7.4M 2025-02-14
2024 Q4 REDUCED 4,400 -17,700 -80.1% 0.00% $46K 2025-02-14
2024 Q4 REDUCED 22,100 -1,038,129 -97.9% 0.00% $231K 2025-02-14
2024 Q3 ADDED 1,060,229 +1,037,929 +4654.4% 0.00% $11.5M 2024-11-14
2024 Q3 REDUCED 22,300 -10,600 -32.2% 0.00% $241K 2024-11-14
2024 Q3 REDUCED 32,900 -1,670,393 -98.1% 0.00% $356K 2024-11-14
2024 Q2 ADDED 1,703,293 +1,668,793 +4837.1% 0.00% $16.6M 2024-08-14
2024 Q2 ADDED 34,500 +28,000 +430.8% 0.00% $335K 2024-08-14
2024 Q2 REDUCED 6,500 -1,028,585 -99.4% 0.00% $63K 2024-08-14
2024 Q1 ADDED 1,035,085 +1,010,285 +4073.7% 0.00% $10.3M 2024-05-15
2024 Q1 ADDED 24,800 +23,800 +2380.0% 0.00% $247K 2024-05-15
2024 Q1 REDUCED 1,000 -1,223,524 -99.9% 0.00% $10K 2024-05-15
2023 Q4 ADDED 1,224,524 +1,211,724 +9466.6% 0.00% $17.6M 2024-02-14
2023 Q4 REDUCED 12,800 -9,600 -42.9% 0.00% $184K 2024-02-14
2023 Q4 REDUCED 22,400 -900,634 -97.6% 0.00% $322K 2024-02-14
2023 Q3 ADDED 923,034 +921,134 +48480.7% 0.00% $11.0M 2023-11-14
2023 Q3 REDUCED 1,900 -19,100 -91.0% 0.00% $23K 2023-11-14
2023 Q3 REDUCED 21,000 -1,526,135 -98.6% 0.00% $250K 2023-11-14
13 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding IAS

As of 2025 Q4 — sorted by position size

PITCAIRN CO 3Y 7Y 0.02% IFP Advisors, Inc 3Y 7Y 0.0% HUNTINGTON NATIONAL BANK 3Y 7Y 0.0%

FAQ About CITADEL ADVISORS LLC and IAS

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 IAS?

CITADEL ADVISORS LLC reported IAS across 24 quarterly 13F filings, from 2023 Q3 through 2025 Q3.

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

The largest reported portfolio weight for IAS was 0.00% in 2023 Q4.

What is the latest reported IAS position on this page?

The most recent filing on this page is 2025 Q3, when CITADEL ADVISORS LLC reported 24,900 shares, equal to 0.00% of portfolio, with an estimated market value of $253K.

What does the chart on this IAS ownership page compare?

The chart compares CITADEL ADVISORS LLC's quarterly IAS 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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