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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.

Q2 2021 vs. Q1 2021

How the institutions holding Integral Ad Science Holding Corp. changed between Q1 2021 and Q2 2021.

All holders in Q2 2021All holders in Q1 2021

13F holders of IAS: Q1 2021 compared with Q2 2021
MeasureQ1 2021Q2 2021Change
Holders070+70
Shares0143.9M+143.9M
Value$0$2.96B+$2.96B

New holders (70)

Institutions that held Integral Ad Science Holding Corp. at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to IAS in Q2 2021
InstitutionSharesValue% of portfolio
Vista Equity Partners Management, LLC94,380,000$1.94B21.09%
Atlas Venture Advisors, Inc.22,722,770$467.6M48.54%
Sapphire Ventures, L.L.C.10,086,035$207.6M17.98%
TimesSquare Capital Management, LLC1,450,000$29.8M0.24%
Indaba Capital Management, L.P.1,363,016$28.1M3.03%
Shelter Haven Capital Management, L.P.1,317,301$27.1M9.69%
FMR LLC1,104,100$22.7M0.00%
Price T Rowe Associates Inc1,000,000$20.6M0.00%
Adage Capital Partners GP, L.L.C.700,000$14.4M0.03%
Driehaus Capital Management LLC668,260$13.8M0.18%
Schonfeld Strategic Advisors LLC650,000$13.4M0.15%
Wellington Management Group LLP606,305$12.5M0.00%
Polar Asset Management Partners Inc.603,903$12.4M0.15%
Citadel Advisors LLC514,037$10.6M0.01%
Ion Asset Management Ltd.500,000$10.3M1.27%
Millennium Management LLC412,457$8.49M0.01%
Frontier Capital Management Co LLC400,000$8.23M0.06%
Islet Management, LP400,000$8.23M0.43%
Stony Point Capital LLC400,000$8.23M2.15%
Alyeska Investment Group, L.P.350,000$7.20M0.08%
Ghisallo Capital Management LLC272,000$5.60M0.21%
BlackRock Inc.250,000$5.15M0.00%
Blackstone Group Inc.250,000$5.14M0.01%
Davidson Kempner Capital Management LP235,700$4.87M0.04%
TCW Group Inc230,000$4.73M0.04%
Federated Hermes, Inc.220,000$4.53M0.01%
Norges Bank200,000$4.12M0.00%
Tudor Investment Corp Et Al198,533$4.09M0.08%
Marshall Wace North America L.P.150,000$3.09M0.01%
Element Capital Management LLC150,000$3.09M0.49%
Caas Capital Management LP150,000$3.09M0.16%
Brookfield Asset Management Inc.145,000$2.98M0.01%
Rokos Capital Management LLP150,000$2.70M0.14%
Walleye Capital LLC130,000$2.67M0.10%
Calamos Advisors LLC125,537$2.58M0.01%
JPMorgan Chase & Co100,000$2.06M0.00%
Point72 Asset Management, L.P.100,000$2.06M0.01%
Vanguard Group Inc98,594$2.03M0.00%
Geode Capital Management, LLC105,000$1.96M0.00%
ExodusPoint Capital Management, LP80,300$1.65M0.03%
Monashee Investment Management LLC80,000$1.65M0.20%
LMR Partners LLP75,000$1.54M0.02%
Squarepoint Ops LLC60,500$1.25M0.01%
Goldman Sachs Group Inc56,300$1.16M0.00%
Laurion Capital Management LP50,000$1.03M0.02%
Healthcare of Ontario Pension Plan Trust Fund50,000$1.03M0.00%
Pentwater Capital Management LP43,911$904.0K0.01%
Teacher Retirement System of Texas40,000$823.0K0.00%
Balyasny Asset Management LLC40,000$823.0K0.00%
Hound Partners, LLC40,000$823.0K0.04%
Voloridge Investment Management, LLC40,000$823.0K0.01%
Zimmer Partners, LP40,000$823.0K0.01%
Jane Street Group, LLC38,772$798.0K0.00%
Woodline Partners LP35,003$720.0K0.01%
Morgan Stanley33,553$690.0K0.00%
Landscape Capital Management, L.L.C.30,319$624.0K0.08%
Northern Trust Corp28,194$580.0K0.00%
Legal & General Group Plc20,000$421.0K0.00%
American Financial Group Inc20,000$412.0K0.11%
Symmetry Investments LP20,000$412.0K0.12%
Waratah Capital Advisors Ltd.15,145$312.0K0.02%
Hudson Bay Capital Management LP15,000$309.0K0.00%
Boothbay Fund Management, LLC15,000$309.0K0.01%
BlueCrest Capital Management Ltd15,000$309.0K0.01%
Qube Research & Technologies Ltd14,600$300.0K0.00%
Maven Securities LTD13,889$286.0K0.03%
Centiva Capital, LP10,555$217.0K0.02%
Washington Harbour Partners LP10,000$206.0K0.03%
Ovata Capital Management Ltd1,000$21.0K0.01%
Advisor Group Holdings, Inc.500$10.0K0.00%

Sold out (0)

Institutions that held Integral Ad Science Holding Corp. at the end of Q1 2021 and filed for Q2 2021 without it.

None.