INTEGRAL AD SCIENCE HOLDING CORP. - Common Stock, $0.001 par value per share (IAS)

Q: What does CUSIP 45828L108 represent in this 13F holders report?

CUSIP 45828L108 is the security identifier for IAS - INTEGRAL AD SCIENCE HOLDING CORP. - Common Stock, $0.001 par value per share used to aggregate holder disclosures.

Q: How many institutions held IAS - INTEGRAL AD SCIENCE HOLDING CORP. - Common Stock, $0.001 par value per share in Q2 2021?

70 institutional investors reported IAS - INTEGRAL AD SCIENCE HOLDING CORP. - Common Stock, $0.001 par value per share for Q2 2021. Use the holders table for investor-level position and value details.

CUSIP: 45828L108

Q2 2021 13F Holders as of 30 Jun 2021

Type / Class: Equity / Common Stock, $0.001 par value per share
Shares outstanding: 167,832,380
Total 13F shares: 143,921,089
Share change: +143,921,089
Total reported value: $2,961,335,000
Price per share: $20.58
Number of holders: 70
Value change: +$2,961,335,000
Number of buys: 70

Quarterly Holders Quick Answers

What is CUSIP 45828L108?
CUSIP 45828L108 identifies IAS - INTEGRAL AD SCIENCE HOLDING CORP. - Common Stock, $0.001 par value per share in SEC institutional holdings data.

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Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q3 2021

Recent filing periods for CUSIP 45828L108:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of IAS - INTEGRAL AD SCIENCE HOLDING CORP. - Common Stock, $0.001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

No top shareholder records were found across 13F, 13D/G, and Forms 3/4/5 for this issuer.

Institutional Holders of INTEGRAL AD SCIENCE HOLDING CORP. - Common Stock, $0.001 par value per share (IAS) as of Q2 2021

As of 30 Jun 2021, INTEGRAL AD SCIENCE HOLDING CORP. - Common Stock, $0.001 par value per share (IAS) was held by 70 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 143,921,089 shares. The largest 10 holders included VISTA EQUITY PARTNERS MANAGEMENT, LLC, Atlas Venture Advisors, Inc., SAPPHIRE VENTURES, L.L.C., TimesSquare Capital Management, LLC, Indaba Capital Management, L.P., Shelter Haven Capital Management, L.P., FMR LLC, PRICE T ROWE ASSOCIATES INC /MD/, ADAGE CAPITAL PARTNERS GP, L.L.C., and DRIEHAUS CAPITAL MANAGEMENT LLC. This page lists 70 institutional shareholders reporting positions in this security for the Q2 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q2 2021 vs Q4 2025 Across Filers

Q4 2025 holders

Q2 2021 holders

Holder diff

Investor	Q4 2025 Shares	Q2 2021 Shares	Share Diff	Share Chg %	Q4 2025 Value $	Q2 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.