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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.

Q1 2022 vs. Q4 2021

How the institutions holding Integral Ad Science Holding Corp. changed between Q4 2021 and Q1 2022.

All holders in Q1 2022All holders in Q4 2021

13F holders of IAS: Q4 2021 compared with Q1 2022
MeasureQ4 2021Of which not filed for Q1 2022Q1 2022Change
Holders80192+13
Shares153.4M3.13M148.7M−1.52M (−1.0%)
Value$3.41B$69.6M$2.05B−$1.28B (−38.5%)

1 institution that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (33)

Institutions that held Integral Ad Science Holding Corp. at the end of Q1 2022 but not at the end of Q4 2021.

Institutions new to IAS in Q1 2022
InstitutionSharesValue% of portfolio
Southpoint Capital Advisors LP1,515,600$20.9M0.41%
Ensign Peak Advisors, Inc377,840$5.21M0.01%
HarbourVest Partners LLC305,298$4.21M0.86%
Citadel Advisors LLC247,416$3.41M0.00%
Los Angeles Capital Management LLC150,400$2.08M0.01%
Cubist Systematic Strategies, LLC134,984$1.86M0.02%
Jump Financial, LLC110,333$1.52M0.06%
M&G Investment Management Ltd107,724$1.51M0.00%
Investor AB87,228$1.20M0.03%
Brookfield Asset Management Inc.72,049$994.0K0.00%
HRT Financial LP66,815$922.0K0.01%
Dynamic Technology Lab Private Ltd62,951$869.0K0.10%
Invesco Ltd.50,221$693.0K0.00%
ExodusPoint Capital Management, LP48,659$671.0K0.01%
Two Sigma Investments, LP45,710$631.0K0.00%
Quantbot Technologies LP35,669$492.0K0.04%
Qube Research & Technologies Ltd27,987$386.0K0.00%
Marshall Wace, LLP16,744$232.0K0.00%
Boothbay Fund Management, LLC16,832$232.0K0.01%
Blueshift Asset Management, LLC16,649$230.0K0.02%
CenterBook Partners LP15,215$210.0K0.07%
Parametric Portfolio Associates LLC14,641$202.0K0.00%
Picton Mahoney Asset Management14,350$198.0K0.01%
Cornerstone Investment Partners, LLC12,225$169.0K0.01%
Barclays PLC11,878$164.0K0.00%
Gsa Capital Partners LLP11,903$164.0K0.02%
Paloma Partners Management Co11,029$152.0K0.01%
Richelieu Gestion PLC6,774$93.0K0.07%
Amalgamated Bank3,105$43.0K0.00%
Amalgamated Financial Corp.3,105$43.0K0.00%
Global Retirement Partners, LLC174$2.00K0.00%
Quadrant Capital Group LLC24$00.00%
Covestor Ltd21$00.00%

Sold out (20)

Institutions that held Integral Ad Science Holding Corp. at the end of Q4 2021 and filed for Q1 2022 without it.

Institutions that sold out of IAS in Q1 2022
InstitutionShares, Q4 2021Value, Q4 2021
August Capital Management VI, L.L.C.6,285,864$139.6M
G2 Investment Partners Management LLC373,297$8.29M
Lisanti Capital Growth, LLC270,785$6.01M
Adage Capital Partners GP, L.L.C.250,000$5.55M
Blackstone Group Inc.200,000$4.44M
Calamos Advisors LLC170,538$3.79M
Ghisallo Capital Management LLC150,000$3.33M
Thames Capital Management LLC135,851$3.02M
Russell Investments Group, Ltd.113,444$2.52M
Laurion Capital Management LP46,600$1.03M
Squarepoint Ops LLC42,877$952.0K
Renaissance Technologies LLC30,219$671.0K
Prudential Financial Inc29,170$648.0K
Panagora Asset Management Inc20,618$458.0K
Pentwater Capital Management LP20,000$444.0K
Stifel Financial Corp18,546$412.0K
LPL Financial LLC12,658$281.0K
Spouting Rock Asset Management, LLC10,583$235.0K
UBS Group AG7,262$161.0K
US Bancorp232$5.00K

Not filed for Q1 2022 yet (1)

Institutions that held Integral Ad Science Holding Corp. at the end of Q4 2021 and haven't filed a 13F for Q1 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IAS in Q4 2021 that haven't filed for Q1 2022
InstitutionShares, Q4 2021Value, Q4 2021
Shelter Haven Capital Management, L.P.3,134,350$69.6M