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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, Q2 2023

Institutional positions in Integral Ad Science Holding Corp. as of Jun 30, 2023. 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

Institutional holders
168
+52 vs. Q1 2023
Shares held
150.6M
+761.8K (+0.5%) vs. Q1 2023
Total value
$2.71B
+$569.8M (+26.6%) vs. Q1 2023
New holders
65
55 more added
Sold out
13
36 more reduced

Compare with Q1 2023: 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 holdersQ2 2023: 168 institutions
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 heldQ2 2023: $2.71B
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, Q2 2023

Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q1 2023.

Institutions holding IAS in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Level Four Advisory Services, LLC28,455$511.6K0.03%+28,455New
Citigroup Inc27,773$499.4K0.00%+26,268+1,745.4%Added
First Trust Advisors LP26,542$477.2K0.00%−98,164−78.7%Reduced
Bailard, Inc.26,300$472.9K0.02%+26,300New
Legato Capital Management LLC25,455$457.7K0.06%+25,455New
Healthcare of Ontario Pension Plan Trust Fund24,395$438.6K0.00%+24,395New
State of Wisconsin Investment Board22,953$412.7K0.00%−25,247−52.4%Reduced
Seven Eight Capital, LP22,405$402.8K0.07%+22,405New
TownSquare Capital, LLC20,090$361.2K0.01%−19,558−49.3%Reduced
MetLife Investment Management19,760$355.3K0.00%00.0%Unchanged
Janus Henderson Group PLC19,607$352.3K0.00%+19,607New
Dynamic Technology Lab Private Ltd18,609$334.0K0.04%+18,609New
Putnam Investments LLC18,194$327.1K0.00%+18,194New
American International Group, Inc.18,185$327.0K0.00%−247−1.3%Reduced
Franklin Resources Inc17,872$321.3K0.00%+17,872New
Aquatic Capital Management LLC17,600$316.0K0.02%+15,100+604.0%Added
Envestnet Asset Management Inc17,276$310.6K0.00%+17,276New
Stephens Inc16,017$288.0K0.01%+16,017New
Osterweis Capital Management Inc15,850$285.0K0.02%+15,850New
Manufacturers Life Insurance Company, The15,028$270.2K0.00%−3,275−17.9%Reduced
Richelieu Gestion PLC14,446$260.0K0.22%−4,224−22.6%Reduced
Squarepoint Ops LLC14,034$252.3K0.00%+14,034New
M&T Bank Corp13,469$242.3K0.00%−5,673−29.6%Reduced
Lazard Asset Management LLC13,156$235.0K0.00%+5,383+69.3%Added
Y-Intercept (Hong Kong) Ltd12,335$221.8K0.02%+12,335New
American Trust12,026$216.2K0.01%−2,206−15.5%Reduced
Advisor Group Holdings, Inc.11,927$214.4K0.00%+9,188+335.5%Added
GWM Advisors LLC11,675$209.9K0.00%+11,675New
Pinnacle Wealth Planning Services, Inc.11,508$206.9K0.03%00.0%Unchanged
Algert Global LLC11,440$205.7K0.01%+11,440New
AQR Capital Management LLC10,967$197.2K0.00%+10,967New
Arizona State Retirement System10,850$195.1K0.00%+10,850New
State Board of Administration of Florida Retirement System10,730$192.9K0.00%+10,730New
Jag Capital Management, LLC10,138$182.3K0.02%+10,138New
Zurcher Kantonalbank (Zurich Cantonalbank)7,124$128.1K0.00%+7,124New
Counterpoint Mutual Funds LLC6,924$124.5K0.12%−673−8.9%Reduced
Amundi6,620$118.1K0.00%00.0%Unchanged
Globeflex Capital L P6,568$118.1K0.01%+6,568New
Amalgamated Bank5,795$104.0K0.00%+1,397+31.8%Added
State of Wyoming5,189$93.3K0.03%−619−10.7%Reduced
Covestor Ltd4,445$80.0K0.06%+4,431+31,650.0%Added
Ameritas Investment Partners, Inc.2,999$53.9K0.00%+500+20.0%Added
Royal Bank of Canada2,808$50.0K0.00%+337+13.6%Added
Metropolitan Life Insurance Co2,230$40.1K0.00%00.0%Unchanged
Lindbrook Capital, LLC2,068$37.2K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,608$28.9K0.00%+515+47.1%Added
Nisa Investment Advisors, LLC1,387$24.9K0.00%00.0%Unchanged
Signaturefd, LLC1,319$23.7K0.00%−20−1.5%Reduced
The PNC Financial Services Group, Inc.1,135$20.4K0.00%+384+51.1%Added
Quadrant Capital Group LLC1,092$19.6K0.00%+53+5.1%Added
Parallel Advisors, LLC767$13.8K0.00%+57+8.0%Added
Leonteq Securities AG540$9.71K0.00%−1,216−69.2%Reduced
US Bancorp507$9.12K0.00%00.0%Unchanged
Private Trust Co NA496$8.92K0.00%−156−23.9%Reduced
Fisher Asset Management, LLC452$8.13K0.00%+452New
Northwestern Mutual Wealth Management Co300$5.39K0.00%+295+5,900.0%Added
Steward Partners Investment Advisory, LLC250$4.50K0.00%+250New
Point72 Asset Management, L.P.245$4.41K0.00%+245New
CWM, LLC199$4.00K0.00%00.0%Unchanged
Global Retirement Partners, LLC173$3.11K0.00%−56−24.5%Reduced
Baker Avenue Asset Management, LP52$9350.00%00.0%Unchanged
Allworth Financial LP39$7020.00%00.0%Unchanged
Farther Finance Advisors, LLC35$6290.00%00.0%Unchanged
Allspring Global Investments Holdings, LLC19$3410.00%+19New
JFS Wealth Advisors, LLC10$1800.00%+10New
Crewe Advisors LLC7$1260.00%+7New
SJS Investment Consulting Inc.5$900.00%+5New
Disciplined Investments, LLC3$540.00%+3New
Wellington Management Group LLP0$00.00%−972,367−100.0%Sold out
Indaba Capital Management, L.P.0$00.00%−538,000−100.0%Sold out
EVR Research LP0$00.00%−370,000−100.0%Sold out
Industrial Alliance Investment Management Inc.0$00.00%−239,920−100.0%Sold out
Cornercap Investment Counsel Inc0$00.00%−37,041−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−23,876−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−15,900−100.0%Sold out
SG Americas Securities, LLC0$00.00%−14,220−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−11,657−100.0%Sold out
Simplex Trading, LLC0$00.00%−1,103−100.0%Sold out
TCI Wealth Advisors, Inc.0$00.00%−419−100.0%Sold out
Ellevest, Inc.0$00.00%−314−100.0%Sold out
Ronald Blue Trust, Inc.0$00.00%−190−100.0%Sold out