Integral Ad Science Holding

IAS · NASDAQ

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Who owns IAS

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 0.3% of IAS’s shares.

  • Secor (Tania)0.1%
  • Putman (Jill)0.0%
  • Washington Harbour Partners L.P.0.0%
  • UBS Fund Management (Switzerland) AG0.0%
  • Next 6 largest institutions0.1%
  • All other shareholders99.7%
Top institutional holders of IAS
HolderShares% of shares
Secor (Tania)235.77K0.14%
Putman (Jill)83.92K0.05%
Washington Harbour Partners L.P.68.52K0.04%
UBS Fund Management (Switzerland) AG59.26K0.04%
BlackRock Fund Advisors49.51K0.03%
Investors Towarzystwo Funduszy Inwestycyjnych S.A.21.00K0.01%
MFS Investment Management19.28K0.01%
DFA Australia Ltd.12.96K0.01%
Corton Capital Inc12.72K0.01%
BlackRock Advisors, LLC9.15K0.01%

Largest mutual fund holders

Top mutual fund holders of IAS
HolderShares% of shares
First Trust Merger Arbitrage Fund1.80M1.07%
Arbitrage Fund908.38K0.54%
iShares Russell 2000 Small-Cap Index Fund124.70K0.07%
Water Island Event-Driven Fund58.40K0.03%
BlackRock Diversified Equity Fund49.51K0.03%

Short interest

Settled Dec 15, 2025

Shares short
6.49M
Days to cover
6.27
% of shares outstanding
3.86%
Average daily volume
1.03M
Change since last report
−4.8%

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