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Integral Ad Science Holding Corp.

IASDelisted Dec 23, 2025
Industry
Services-Computer Programming, Data Processing, Etc.
SEC CIK
0001842718

Integral Ad Science Holding Corp. was delisted on Dec 23, 2025; its insiders filed their last Form 4 on Dec 29, 2025; 171 institutions reported holding it in 13F filings for Q3 2025, worth $1.65B in total; Soros Fund Management was the only superinvestor holding it.

13F holders, Q1 2026

Institutional positions in Integral Ad Science Holding Corp. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

IAS is no longer listed, and 13F filings after Q3 2025 list far fewer holders. See Q3 2025

Institutional holders
1
−1 vs. Q4 2025
Shares held
1
−329 (−99.7%) vs. Q4 2025
Total value
$10
−$3.40K (−99.7%) vs. Q4 2025
New holders
0
0 more added
Sold out
1
0 more reduced

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IAS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 1 institution
Q1 2021: 0 institutionsQ2 2021: 70 institutionsQ3 2021: 70 institutionsQ4 2021: 80 institutionsQ1 2022: 92 institutionsQ2 2022: 93 institutionsQ3 2022: 104 institutionsQ4 2022: 107 institutionsQ1 2023: 116 institutionsQ2 2023: 168 institutionsQ3 2023: 164 institutionsQ4 2023: 173 institutionsQ1 2024: 166 institutionsQ2 2024: 156 institutionsQ3 2024: 172 institutionsQ4 2024: 165 institutionsQ1 2025: 187 institutionsQ2 2025: 170 institutionsQ3 2025: 171 institutionsQ4 2025: 2 institutionsQ1 2026: 1 institutionQ2 2026: 1 institution
Value heldQ1 2026: $10
Q1 2021: $0Q2 2021: $2.96BQ3 2021: $2.99BQ4 2021: $3.41BQ1 2022: $2.05BQ2 2022: $1.49BQ3 2022: $1.08BQ4 2022: $1.30BQ1 2023: $2.14BQ2 2023: $2.71BQ3 2023: $1.79BQ4 2023: $2.19BQ1 2024: $1.51BQ2 2024: $1.52BQ3 2024: $1.68BQ4 2024: $1.64BQ1 2025: $1.28BQ2 2025: $1.34BQ3 2025: $1.65BQ4 2025: $3.41KQ1 2026: $10Q2 2026: $10
Institutions holding IAS and their total value by quarter
QuarterHoldersValue
Q2 20261$10
Q1 20261$10
Q4 20252$3.41K
Q3 2025171$1.65B
Q2 2025170$1.34B
Q1 2025187$1.28B
Q4 2024165$1.64B
Q3 2024172$1.68B
Q2 2024156$1.52B
Q1 2024166$1.51B
Q4 2023173$2.19B
Q3 2023164$1.79B
Q2 2023168$2.71B
Q1 2023116$2.14B
Q4 2022107$1.30B
Q3 2022104$1.08B
Q2 202293$1.49B
Q1 202292$2.05B
Q4 202180$3.41B
Q3 202170$2.99B
Q2 202170$2.96B
Q1 20210$0

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q4 2025.

Institutions holding IAS in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Huntington National Bank1$100.00%00.0%Unchanged
IFP Advisors, Inc0$00.00%−329−100.0%Sold out