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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.

Q4 2024 vs. Q3 2024

How the institutions holding Integral Ad Science Holding Corp. changed between Q3 2024 and Q4 2024.

All holders in Q4 2024All holders in Q3 2024

13F holders of IAS: Q3 2024 compared with Q4 2024
MeasureQ3 2024Of which not filed for Q4 2024Q4 2024Change
Holders1723165−4
Shares155.3M137.7K157.1M+1.86M (+1.2%)
Value$1.68B$1.49M$1.64B−$38.0M (−2.3%)

3 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (38)

Institutions that held Integral Ad Science Holding Corp. at the end of Q4 2024 but not at the end of Q3 2024.

Institutions new to IAS in Q4 2024
InstitutionSharesValue% of portfolio
Alyeska Investment Group, L.P.3,979,205$41.5M0.16%
Rubric Capital Management LP1,973,870$20.6M0.37%
Healthcare of Ontario Pension Plan Trust Fund401,000$4.19M0.01%
Clearline Capital LP378,252$3.95M0.52%
Monimus Capital Management, LP193,482$2.02M1.90%
Schonfeld Strategic Advisors LLC186,352$1.95M0.01%
one8zero8, LLC163,050$1.70M0.37%
Vestcor Inc150,000$1.57M0.05%
Clune & Associates, Ltd.99,324$1.04M0.34%
Quinn Opportunity Partners LLC80,000$835.2K0.06%
Militia Capital Partners, LP78,000$814.3K0.38%
Raymond James Financial Inc77,314$807.2K0.00%
Eisler Capital Management Ltd.70,000$740.3K0.02%
Nine Masts Capital Ltd64,291$671.2K0.12%
Millennium Management LLC64,124$669.5K0.00%
Cantor Fitzgerald, L. P.61,000$636.8K0.02%
Tejara Capital Ltd60,000$626.4K0.41%
Highland Capital Management Fund Advisors, L.P.53,661$560.2K0.07%
LMR Partners LLP38,079$397.5K0.01%
EntryPoint Capital, LLC37,083$387.1K0.16%
Harvest Management LLC30,000$313.2K0.16%
KLP Kapitalforvaltning AS24,600$256.8K0.00%
Cornerstone Investment Partners, LLC17,941$187.3K0.01%
XTX Topco Ltd16,509$172.4K0.01%
Handelsbanken Fonder AB15,500$162.0K0.00%
Police & Firemen's Retirement System of New Jersey14,716$153.6K0.00%
Prelude Capital Management, LLC14,693$153.4K0.01%
PEAK6 LLC14,012$146.3K0.01%
ClearAlpha Technologies LP13,670$142.7K0.12%
Sherbrooke Park Advisers LLC12,604$131.6K0.04%
BNP Paribas Arbitrage, SA11,488$119.9K0.00%
Creative Planning11,059$115.5K0.00%
Alta Fox Capital Management, LLC5,800$60.6K0.02%
State of Wyoming4,903$51.2K0.01%
SBI Securities Co., Ltd.105$1.10K0.00%
EverSource Wealth Advisors, LLC34$3550.00%
Global Financial Private Client, LLC2$210.00%
Parkworth Wealth Management, Inc.1$100.00%

Sold out (42)

Institutions that held Integral Ad Science Holding Corp. at the end of Q3 2024 and filed for Q4 2024 without it.

Institutions that sold out of IAS in Q4 2024
InstitutionShares, Q3 2024Value, Q3 2024
Crestwood Capital Management, L.P.650,738$7.03M
Balyasny Asset Management LLC262,188$2.83M
Washington Harbour Partners LP161,300$1.74M
UBS Oconnor LLC158,043$1.71M
Voloridge Investment Management, LLC137,755$1.49M
Cubist Systematic Strategies, LLC116,939$1.26M
Danske Bank A/S77,513$837.9K
Squarepoint Ops LLC68,919$745.0K
Twinbeech Capital LP60,985$659.2K
ExodusPoint Capital Management, LP56,562$611.0K
Bank of Montreal49,918$549.1K
Jane Street Group, LLC46,675$504.6K
Walleye Capital LLC43,470$469.9K
Landscape Capital Management, L.L.C.38,722$418.6K
Quest Partners LLC34,461$372.5K
Point72 Asset Management, L.P.34,303$370.8K
Y-Intercept (Hong Kong) Ltd30,443$329.1K
STRS Ohio26,900$290.8K
Fox Run Management, L.L.C.23,864$258.0K
Marshall Wace, LLP23,500$254.0K
Engineers Gate Manager LP21,179$228.9K
Petrus Trust Company, LTA20,376$220.3K
CI Private Wealth, LLC16,839$182.0K
Dynamic Technology Lab Private Ltd16,623$180.0K
Corton Capital Inc.16,089$173.9K
HSBC Holdings PLC15,734$172.3K
Bridgefront Capital, LLC14,871$160.8K
Dakota Wealth Management11,511$124.4K
Pinnacle Wealth Planning Services, Inc.11,508$124.4K
Quantbot Technologies LP9,772$105.6K
Acadian Asset Management LLC6,320$68.0K
Antipodes Partners Ltd5,023$54.3K
nVerses Capital, LLC4,200$45.4K
Point72 (DIFC) Ltd3,828$41.4K
Aster Capital Management (DIFC) Ltd1,846$20.0K
Point72 Hong Kong Ltd654$7.07K
Capital Performance Advisors LLP418$4.52K
True Wealth Design, LLC302$3.27K
Ronald Blue Trust, Inc.168$1.63K
Allspring Global Investments Holdings, LLC110$1.19K
Bessemer Group Inc75$1.00K
Claris Advisors, LLC2$22

Not filed for Q4 2024 yet (3)

Institutions that held Integral Ad Science Holding Corp. at the end of Q3 2024 and haven't filed a 13F for Q4 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IAS in Q3 2024 that haven't filed for Q4 2024
InstitutionShares, Q3 2024Value, Q3 2024
Raymond James & Associates81,924$885.6K
Raymond James Financial Services Advisors, Inc.36,048$389.7K
PEAK6 Investments LLC19,714$213.1K