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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, Q3 2023

Institutional positions in Integral Ad Science Holding Corp. as of Sep 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
164
−4 vs. Q2 2023
Shares held
150.3M
−349.4K (−0.2%) vs. Q2 2023
Total value
$1.79B
−$917.3M (−33.9%) vs. Q2 2023
New holders
29
73 more added
Sold out
33
47 more reduced

Compare with Q2 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 holdersQ3 2023: 164 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 heldQ3 2023: $1.79B
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, Q3 2023

Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q2 2023.

Institutions holding IAS in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
UBS Asset Management Americas Inc23,754$282.4K0.00%+23,754New
Prelude Capital Management, LLC23,660$281.3K0.03%+23,660New
AQR Capital Management LLC22,933$272.7K0.00%+11,966+109.1%Added
Deutsche Bank AG22,870$271.9K0.00%−163,407−87.7%Reduced
TownSquare Capital, LLC22,662$269.5K0.00%+2,572+12.8%Added
Los Angeles Capital Management LLC22,198$263.9K0.00%−38,380−63.4%Reduced
Petrus Trust Company, LTA20,064$238.6K0.03%+20,064New
Janus Henderson Group PLC19,714$234.2K0.00%+107+0.5%Added
Truist Financial Corp18,196$216.3K0.00%+18,196New
Franklin Resources Inc18,031$214.4K0.00%+159+0.9%Added
Capstone Investment Advisors, LLC16,525$196.5K0.01%+16,525New
Jane Street Group, LLC16,484$196.0K0.00%−12,442−43.0%Reduced
New York State Common Retirement Fund16,181$192.4K0.00%−138,133−89.5%Reduced
Fifth Third Bancorp15,929$189.4K0.00%+15,929New
Osterweis Capital Management Inc15,850$188.5K0.01%00.0%Unchanged
Citigroup Inc15,809$188.0K0.00%−11,964−43.1%Reduced
Arizona State Retirement System15,439$183.6K0.00%+4,589+42.3%Added
Lazard Asset Management LLC14,641$173.0K0.00%+1,485+11.3%Added
Richelieu Gestion PLC14,446$172.0K0.16%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)13,936$165.7K0.00%+6,812+95.6%Added
Principal Financial Group Inc13,819$164.3K0.00%−23,465−62.9%Reduced
State Board of Administration of Florida Retirement System13,670$162.5K0.00%+2,940+27.4%Added
M&T Bank Corp13,660$162.2K0.00%+191+1.4%Added
American Trust13,328$158.5K0.01%+1,302+10.8%Added
Winton Group Ltd13,262$157.7K0.01%+13,262New
Aquatic Capital Management LLC12,100$144.0K0.01%−5,500−31.3%Reduced
Sherbrooke Park Advisers LLC11,800$140.3K0.04%+11,800New
Bayesian Capital Management, LP11,600$137.9K0.02%+11,600New
Pinnacle Wealth Planning Services, Inc.11,508$136.8K0.02%00.0%Unchanged
Price T Rowe Associates Inc10,787$129.0K0.00%+10,787New
State of Wyoming10,228$121.6K0.03%+5,039+97.1%Added
Simplex Trading, LLC8,528$101.0K0.00%+8,528New
State of Tennessee, Treasury Department8,360$99.4K0.00%+8,360New
Amalgamated Bank6,951$83.0K0.00%+1,156+19.9%Added
Royal Bank of Canada6,158$73.0K0.00%+3,350+119.3%Added
DekaBank Deutsche Girozentrale5,161$62.0K0.00%+5,161New
Skandinaviska Enskilda Banken AB (publ)4,900$58.0K0.00%+4,900New
Ameritas Investment Partners, Inc.4,800$57.1K0.00%+1,801+60.1%Added
Point72 Asset Management, L.P.4,500$53.5K0.00%+4,255+1,736.7%Added
Covestor Ltd4,429$53.0K0.04%−16−0.4%Reduced
FMR LLC3,919$46.6K0.00%−1,134,559−99.7%Reduced
Metropolitan Life Insurance Co2,847$33.9K0.00%+617+27.7%Added
Advisor Group Holdings, Inc.2,552$30.3K0.00%−9,375−78.6%Reduced
Lindbrook Capital, LLC2,051$24.4K0.00%−17−0.8%Reduced
Tower Research Capital LLC (TRC)1,905$22.6K0.00%+297+18.5%Added
Nisa Investment Advisors, LLC1,387$16.5K0.00%00.0%Unchanged
Signaturefd, LLC1,308$15.6K0.00%−11−0.8%Reduced
Federated Hermes, Inc.1,150$13.7K0.00%−47,280−97.6%Reduced
Quadrant Capital Group LLC1,039$12.4K0.00%−53−4.9%Reduced
The PNC Financial Services Group, Inc.890$10.6K0.00%−245−21.6%Reduced
Parallel Advisors, LLC767$9.12K0.00%00.0%Unchanged
US Bancorp507$6.03K0.00%00.0%Unchanged
Comerica Bank503$5.99K0.00%+503New
Private Trust Co NA496$5.90K0.00%00.0%Unchanged
Huntington National Bank235$2.79K0.00%+235New
Global Retirement Partners, LLC210$2.55K0.00%+37+21.4%Added
CWM, LLC199$2.00K0.00%00.0%Unchanged
L2 Asset Management, LLC11,963$1.06K0.00%+11,963New
Baker Avenue Asset Management, LP52$6180.00%00.0%Unchanged
Allworth Financial LP49$5830.00%+10+25.6%Added
Farther Finance Advisors, LLC35$4160.00%00.0%Unchanged
Crewe Advisors LLC10$1190.00%+3+42.9%Added
SJS Investment Consulting Inc.6$720.00%+1+20.0%Added
JFS Wealth Advisors, LLC3$360.00%−7−70.0%Reduced
Lisanti Capital Growth, LLC0$00.00%−410,555−100.0%Sold out
EAM Global Investors LLC0$00.00%−227,792−100.0%Sold out
Brookfield Asset Management Inc.0$00.00%−204,950−100.0%Sold out
HBK Investments L P0$00.00%−200,000−100.0%Sold out
Ghisallo Capital Management LLC0$00.00%−200,000−100.0%Sold out
EAM Investors, LLC0$00.00%−182,380−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−88,574−100.0%Sold out
Acadian Asset Management LLC0$00.00%−87,304−100.0%Sold out
Hudson Bay Capital Management LP0$00.00%−75,300−100.0%Sold out
Ergoteles LLC0$00.00%−65,989−100.0%Sold out
Trexquant Investment LP0$00.00%−49,154−100.0%Sold out
HRT Financial LP0$00.00%−48,373−100.0%Sold out
Jennison Associates LLC0$00.00%−34,157−100.0%Sold out
Walleye Trading LLC0$00.00%−29,142−100.0%Sold out
Level Four Advisory Services, LLC0$00.00%−28,455−100.0%Sold out
First Trust Advisors LP0$00.00%−26,542−100.0%Sold out
Bailard, Inc.0$00.00%−26,300−100.0%Sold out
Legato Capital Management LLC0$00.00%−25,455−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−24,395−100.0%Sold out
Seven Eight Capital, LP0$00.00%−22,405−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−18,609−100.0%Sold out
Stephens Inc0$00.00%−16,017−100.0%Sold out
GWM Advisors LLC0$00.00%−11,675−100.0%Sold out
Jag Capital Management, LLC0$00.00%−10,138−100.0%Sold out
Counterpoint Mutual Funds LLC0$00.00%−6,924−100.0%Sold out
Amundi0$00.00%−6,620−100.0%Sold out
Globeflex Capital L P0$00.00%−6,568−100.0%Sold out
Leonteq Securities AG0$00.00%−540−100.0%Sold out
Fisher Asset Management, LLC0$00.00%−452−100.0%Sold out
Northwestern Mutual Wealth Management Co0$00.00%−300−100.0%Sold out
Steward Partners Investment Advisory, LLC0$00.00%−250−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−19−100.0%Sold out
Disciplined Investments, LLC0$00.00%−3−100.0%Sold out