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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 2024

Institutional positions in Integral Ad Science Holding Corp. as of Mar 31, 2024. 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
166
−5 vs. Q4 2023
Shares held
151.2M
−187.2K (−0.1%) vs. Q4 2023
Total value
$1.51B
−$671.1M (−30.8%) vs. Q4 2023
New holders
35
66 more added
Sold out
40
48 more reduced

2 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 166 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 heldQ1 2024: $1.51B
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 2024

Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q4 2023.

Institutions holding IAS in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Huntington National Bank1$100.00%−398−99.7%Reduced
DiNuzzo Private Wealth, Inc.6$600.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC9$890.00%+9New
Rothschild Investment LLC15$1500.00%+15New
SJS Investment Consulting Inc.22$2200.00%+15+214.3%Added
JFS Wealth Advisors, LLC25$2500.00%00.0%Unchanged
Allworth Financial LP39$3890.00%00.0%Unchanged
Private Wealth Management Group, LLC50$4990.00%00.0%Unchanged
GAMMA Investing LLC65$6480.00%+16+32.7%Added
CIBC Private Wealth Group, LLC94$9130.00%+94New
Nisa Investment Advisors, LLC95$9470.00%+18+23.4%Added
Farther Finance Advisors, LLC100$9710.00%00.0%Unchanged
CWM, LLC199$2.00K0.00%00.0%Unchanged
Fortitude Family Office, LLC202$2.01K0.00%+202New
Global Retirement Partners, LLC210$2.09K0.00%00.0%Unchanged
IFP Advisors, Inc300$2.99K0.00%+300New
Fifth Third Bancorp340$3.39K0.00%−21,104−98.4%Reduced
Private Trust Co NA496$4.95K0.00%00.0%Unchanged
Comerica Bank605$6.04K0.00%+85+16.3%Added
Tower Research Capital LLC (TRC)621$6.19K0.00%−9,595−93.9%Reduced
Parallel Advisors, LLC767$7.65K0.00%−11−1.4%Reduced
Quadrant Capital Group LLC1,072$10.7K0.00%−437−29.0%Reduced
The PNC Financial Services Group, Inc.1,133$11.3K0.00%+266+30.7%Added
Signaturefd, LLC1,185$11.8K0.00%−33−2.7%Reduced
Royal Bank of Canada1,515$15.0K0.00%−14,633−90.6%Reduced
Advisor Group Holdings, Inc.1,620$16.2K0.00%−258−13.7%Reduced
Headlands Technologies LLC1,897$18.9K0.00%+1,897New
Lindbrook Capital, LLC2,028$20.2K0.00%+5+0.2%Added
Amalgamated Bank2,276$23.0K0.00%−4,612−67.0%Reduced
Proequities, Inc.2,418$24.1K0.00%+2,418New
State of Wyoming2,727$27.2K0.00%+2,727New
EntryPoint Capital, LLC3,409$34.0K0.03%−4,395−56.3%Reduced
Metropolitan Life Insurance Co3,636$36.3K0.00%+789+27.7%Added
FMR LLC3,962$39.5K0.00%−1,416−26.3%Reduced
DekaBank Deutsche Girozentrale5,161$51.0K0.00%00.0%Unchanged
US Bancorp6,089$60.7K0.00%+5,582+1,101.0%Added
Covestor Ltd6,458$64.0K0.04%−429−6.2%Reduced
Ameritas Investment Partners, Inc.6,724$67.0K0.00%+1,924+40.1%Added
Hantz Financial Services, Inc.6,950$69.0K0.00%+6,950New
Simplex Trading, LLC10,594$105.0K0.00%−476−4.3%Reduced
Quest Partners LLC10,843$108.1K0.02%+10,620+4,762.3%Added
Petrus Trust Company, LTA11,321$112.9K0.01%−8,743−43.6%Reduced
Pinnacle Wealth Planning Services, Inc.11,508$114.7K0.02%00.0%Unchanged
ProShare Advisors LLC12,113$120.8K0.00%+12,113New
Vontobel Holding Ltd.12,200$121.6K0.00%00.0%Unchanged
Dakota Wealth Management12,870$128.3K0.00%+12,870New
AQR Capital Management LLC12,971$129.3K0.00%−27,763−68.2%Reduced
Verition Fund Management LLC13,098$130.6K0.00%−3,606−21.6%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)13,148$131.1K0.00%00.0%Unchanged
M&T Bank Corp13,440$133.6K0.00%−990−6.9%Reduced
American Trust13,742$137.0K0.01%+2,096+18.0%Added
Osterweis Capital Management Inc15,685$156.4K0.01%−165−1.0%Reduced
Fox Run Management, L.L.C.16,926$168.8K0.04%−317−1.8%Reduced
Marex Group plc17,000$169.5K0.01%+17,000New
Price T Rowe Associates Inc19,215$192.0K0.00%+6,878+55.8%Added
Richelieu Gestion PLC19,501$194.0K0.20%+5,055+35.0%Added
Arizona State Retirement System19,575$195.2K0.00%+4,248+27.7%Added
New York State Common Retirement Fund19,789$197.3K0.00%+3,476+21.3%Added
Teacher Retirement System of Texas22,143$221.0K0.00%−9,437−29.9%Reduced
Citigroup Inc22,635$225.7K0.00%−6,834−23.2%Reduced
Cipher Capital LP24,438$243.6K0.11%+24,438New
Raymond James Financial Services Advisors, Inc.25,950$258.7K0.00%−22,734−46.7%Reduced
Point72 Asset Management, L.P.26,500$264.2K0.00%−10,000−27.4%Reduced
Victory Capital Management Inc27,441$273.6K0.00%+5,972+27.8%Added
Keebeck Alpha, LP27,807$277.2K0.18%+27,807New
LPL Financial LLC29,138$290.5K0.00%−2,413−7.6%Reduced
Dynamic Technology Lab Private Ltd30,832$308.0K0.03%−20,420−39.8%Reduced
Sherbrooke Park Advisers LLC31,047$309.5K0.06%+31,047New
Manufacturers Life Insurance Company, The32,064$319.7K0.00%+6,948+27.7%Added
Capstone Investment Advisors, LLC32,713$326.1K0.01%+32,713New
American International Group, Inc.33,228$331.3K0.00%+9,092+37.7%Added
Pearl River Capital, LLC35,310$352.0K0.06%+35,310New
MetLife Investment Management35,334$352.3K0.00%+9,537+37.0%Added
Voya Investment Management LLC36,838$367.3K0.00%−140,215−79.2%Reduced
HSBC Holdings PLC37,754$376.4K0.00%+10,152+36.8%Added
Prelude Capital Management, LLC38,124$380.1K0.03%+21,979+136.1%Added
Gsa Capital Partners LLP39,281$392.0K0.03%+39,281New
Mirae Asset Global Investments Co., Ltd.30,568$410.5K0.00%00.0%Unchanged
Invesco Ltd.42,742$426.1K0.00%−32,528−43.2%Reduced
Quantbot Technologies LP42,826$427.0K0.02%−16,448−27.7%Reduced
Atom Investors LP46,026$458.9K0.06%+46,026New
Senvest Management, LLC46,840$467.0K0.02%+46,840New
Envestnet Asset Management Inc47,407$472.6K0.00%−4,392−8.5%Reduced
Graham Capital Management, L.P.50,862$507.1K0.01%−21,115−29.3%Reduced
Alliancebernstein L.P.51,000$508.5K0.00%00.0%Unchanged
Jane Street Group, LLC53,107$529.5K0.00%−118,695−69.1%Reduced
Principal Financial Group Inc55,919$557.5K0.00%+38,376+218.8%Added
Bank of Montreal55,927$563.7K0.00%+32,869+142.5%Added
PDT Partners, LLC58,194$580.2K0.05%−24,194−29.4%Reduced
III Capital Management59,327$591.5K0.03%+59,327New
STRS Ohio59,400$592.0K0.00%+21,600+57.1%Added
Raymond James & Associates59,422$592.4K0.00%+18,887+46.6%Added
Kodai Capital Management LP64,456$642.6K0.02%+64,456New
Renaissance Technologies LLC64,800$646.0K0.00%−413,900−86.5%Reduced
Legal & General Group Plc67,368$671.6K0.00%+14,890+28.4%Added
Man Group plc68,790$685.8K0.00%−264,239−79.3%Reduced
Formula Growth Ltd70,000$697.9K0.22%+70,000New
California State Teachers Retirement System70,832$706.2K0.00%+13,997+24.6%Added
Canada Pension Plan Investment Board72,000$717.8K0.00%−93,000−56.4%Reduced
Wells Fargo & Company72,988$727.7K0.00%+40,343+123.6%Added