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Livermore
ZHEN

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.

Q4 2023 vs. Q3 2023

How the institutions holding Integral Ad Science Holding Corp. changed between Q3 2023 and Q4 2023.

All holders in Q4 2023All holders in Q3 2023

13F holders of IAS: Q3 2023 compared with Q4 2023
MeasureQ3 2023Q4 2023Change
Holders164173+9
Shares150.3M152.1M+1.77M (+1.2%)
Value$1.79B$2.19B+$397.1M (+22.2%)

New holders (30)

Institutions that held Integral Ad Science Holding Corp. at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to IAS in Q4 2023
InstitutionSharesValue% of portfolio
Standard Life Aberdeen plc1,757,114$25.3M0.05%
P2 Capital Partners, LLC774,400$11.1M1.23%
HBK Investments L P300,000$4.32M0.10%
Rokos Capital Management LLP250,000$3.60M0.11%
Healthcare of Ontario Pension Plan Trust Fund219,509$3.16M0.01%
Lisanti Capital Growth, LLC169,410$2.44M0.58%
Canada Pension Plan Investment Board165,000$2.37M0.00%
First Trust Advisors LP95,703$1.38M0.00%
Ghisallo Capital Management LLC83,659$1.20M0.12%
National Bank of Canada79,000$1.17M0.00%
AXA S.A.61,300$882.1K0.00%
Dynamic Technology Lab Private Ltd51,252$738.0K0.08%
Alpha DNA Investment Management LLC39,555$569.2K0.34%
AE Wealth Management LLC35,080$531.5K0.00%
Mach-1 Financial Group, Inc.35,028$504.1K0.19%
HSBC Holdings PLC27,602$400.6K0.00%
Legato Capital Management LLC19,720$283.8K0.04%
Fox Run Management, L.L.C.17,243$248.1K0.06%
Verition Fund Management LLC16,704$240.4K0.00%
Susquehanna Portfolio Strategies, LLC14,901$214.4K0.00%
Vontobel Holding Ltd.12,200$175.6K0.00%
Mariner, LLC12,170$175.1K0.00%
Virtu Financial LLC11,569$166.0K0.01%
EntryPoint Capital, LLC7,804$112.3K0.11%
Coppell Advisory Solutions LLC1,498$21.6K0.00%
Macroview Investment Management LLC516$7.43K0.01%
Quest Partners LLC223$3.21K0.00%
Private Wealth Management Group, LLC50$7200.00%
GAMMA Investing LLC49$7130.00%
DiNuzzo Private Wealth, Inc.6$870.00%

Sold out (21)

Institutions that held Integral Ad Science Holding Corp. at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of IAS in Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
Portolan Capital Management, LLC433,855$5.16M
Advantage Alpha Capital Partners LP190,084$2.26M
Prudential Financial Inc186,840$2.22M
SEI Investments Co126,711$1.51M
Jefferies Financial Group Inc.82,500$980.9K
Dark Forest Capital Management LP73,695$876.2K
Polar Asset Management Partners Inc.66,200$787.1K
G2 Investment Partners Management LLC65,000$772.9K
Advisory Research Inc60,602$720.6K
Financial Engines Advisors L.L.C.58,509$695.7K
Aigen Investment Management, LP24,987$297.1K
State of Wisconsin Investment Board24,146$287.1K
Capstone Investment Advisors, LLC16,525$196.5K
Winton Group Ltd13,262$157.7K
Sherbrooke Park Advisers LLC11,800$140.3K
State of Wyoming10,228$121.6K
State of Tennessee, Treasury Department8,360$99.4K
Federated Hermes, Inc.1,150$13.7K
L2 Asset Management, LLC11,963$1.06K
Baker Avenue Asset Management, LP52$618
Crewe Advisors LLC10$119