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.
13F holders, Q3 2025
Institutional positions in Integral Ad Science Holding Corp. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
IAS is no longer listed, so this page shows Q3 2025. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 171
- +3 vs. Q2 2025
- Shares held
- 162.3M
- +1.01M (+0.6%) vs. Q2 2025
- Total value
- $1.65B
- +$310.3M (+23.1%) vs. Q2 2025
- New holders
- 47
- 55 more added
- Sold out
- 44
- 48 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IAS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1 | $10 |
| Q1 2026 | 1 | $10 |
| Q4 2025 | 2 | $3.41K |
| Q3 2025 | 171 | $1.65B |
| Q2 2025 | 170 | $1.34B |
| Q1 2025 | 187 | $1.28B |
| Q4 2024 | 165 | $1.64B |
| Q3 2024 | 172 | $1.68B |
| Q2 2024 | 156 | $1.52B |
| Q1 2024 | 166 | $1.51B |
| Q4 2023 | 173 | $2.19B |
| Q3 2023 | 164 | $1.79B |
| Q2 2023 | 168 | $2.71B |
| Q1 2023 | 116 | $2.14B |
| Q4 2022 | 107 | $1.30B |
| Q3 2022 | 104 | $1.08B |
| Q2 2022 | 93 | $1.49B |
| Q1 2022 | 92 | $2.05B |
| Q4 2021 | 80 | $3.41B |
| Q3 2021 | 70 | $2.99B |
| Q2 2021 | 70 | $2.96B |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Integral Ad Science Holding Corp.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Massmutual Trust Co FSB | 14 | $142 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 14 | $143 | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 18 | $182 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 23 | $234 | 0.00% | −22,135−99.9% | Reduced |
| Fifth Third Bancorp | 27 | $275 | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 27 | $275 | 0.00% | +27 | New |
| Rockefeller Capital Management L.P. | 27 | $275 | 0.00% | +27 | New |
| Larson Financial Group LLC | 47 | $478 | 0.00% | +47 | New |
| Parkside Financial Bank & Trust | 65 | $662 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 69 | $702 | 0.00% | −16−18.8% | Reduced |
| Jones Financial Companies LLLP | 137 | $1.40K | 0.00% | +137 | New |
| Signaturefd, LLC | 171 | $1.74K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 183 | $1.86K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 256 | $2.60K | 0.00% | +256 | New |
| Clearstead Advisors, LLC | 287 | $2.92K | 0.00% | +81+39.3% | Added |
| Covestor Ltd | 297 | $3.00K | 0.00% | −22−6.9% | Reduced |
| IFP Advisors, Inc | 319 | $3.24K | 0.00% | +216+209.7% | Added |
| Rothschild Investment LLC | 338 | $3.44K | 0.00% | +108+47.0% | Added |
| Allworth Financial LP | 342 | $3.48K | 0.00% | +136+66.0% | Added |
| Advisor Group Holdings, Inc. | 384 | $3.79K | 0.00% | −94−19.7% | Reduced |
| EverSource Wealth Advisors, LLC | 398 | $4.05K | 0.00% | −628−61.2% | Reduced |
| Essential Partners LLC | 427 | $4.34K | 0.00% | +422+8,440.0% | Added |
| Oxford Asset Management LLP | 457 | $4.65K | 0.00% | +457 | New |
| Farther Finance Advisors, LLC | 581 | $5.91K | 0.00% | +20+3.6% | Added |
| SRS Capital Advisors, Inc. | 621 | $6.32K | 0.00% | +621 | New |
| Huntington National Bank | 862 | $8.77K | 0.00% | −71−7.6% | Reduced |
| GAMMA Investing LLC | 922 | $9.38K | 0.00% | −41−4.3% | Reduced |
| Wealthspire Advisors, LLC | 1,000 | $10.2K | 0.00% | +1,000 | New |
| Umb Bank N A | 1,177 | $12.0K | 0.00% | −39−3.2% | Reduced |
| Nisa Investment Advisors, LLC | 1,402 | $14.3K | 0.00% | +59+4.4% | Added |
| Versant Capital Management, Inc | 1,412 | $14.4K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 1,854 | $18.9K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 2,519 | $26.0K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 3,726 | $37.9K | 0.00% | +1,535+70.1% | Added |
| State of Alaska, Department of Revenue | 4,436 | $45.0K | 0.00% | +4,436 | New |
| Sterling Capital Management LLC | 4,543 | $46.2K | 0.00% | +2,796+160.0% | Added |
| FNY Investment Advisers, LLC | 5,000 | $50.0K | 0.02% | +5,000 | New |
| FMR LLC | 4,943 | $50.3K | 0.00% | +379+8.3% | Added |
| Johnson Financial Group, Inc. | 5,904 | $60.0K | 0.00% | +5,904 | New |
| Ameritas Investment Partners, Inc. | 6,369 | $64.8K | 0.00% | −1,414−18.2% | Reduced |
| Russell Investments Group, Ltd. | 6,379 | $64.9K | 0.00% | −59,210−90.3% | Reduced |
| Longfellow Investment Management Co LLC | 7,384 | $75.1K | 0.02% | +7,384 | New |
| PenderFund Capital Management Ltd. | 9,100 | $92.5K | 0.02% | +9,100 | New |
| Gamco Investors, Inc. Et Al | 10,000 | $101.7K | 0.00% | +10,000 | New |
| Quantinno Capital Management LP | 10,635 | $108.2K | 0.00% | +10,635 | New |
| CWM, LLC | 11,305 | $115.0K | 0.00% | +2,286+25.3% | Added |
| Mirabella Financial Services LLP | 11,800 | $120.0K | 0.01% | +11,800 | New |
| Schroder Investment Management Group | 12,127 | $123.2K | 0.00% | +12,127 | New |
| Royce & Associates LP | 12,226 | $124.3K | 0.00% | +12,226 | New |
| Corton Capital Inc. | 12,720 | $129.4K | 0.32% | +652+5.4% | Added |
| Cerity Partners LLC | 12,766 | $129.8K | 0.00% | +12,766 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 13,148 | $133.7K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 13,290 | $135.2K | 0.00% | +3,132+30.8% | Added |
| State Board of Administration of Florida Retirement System | 13,670 | $139.0K | 0.00% | −45,788−77.0% | Reduced |
| Voya Investment Management LLC | 14,277 | $145.2K | 0.00% | −32,819−69.7% | Reduced |
| Sherbrooke Park Advisers LLC | 14,438 | $146.8K | 0.07% | −3,041−17.4% | Reduced |
| Citigroup Inc | 14,876 | $151.3K | 0.00% | −23,623−61.4% | Reduced |
| Mercer Global Advisors Inc | 15,429 | $156.9K | 0.00% | +4,018+35.2% | Added |
| Gotham Asset Management, LLC | 16,070 | $163.4K | 0.00% | +362+2.3% | Added |
| Intrust Bank NA | 16,668 | $169.5K | 0.01% | −685−3.9% | Reduced |
| Franklin Resources Inc | 16,865 | $171.5K | 0.00% | −674−3.8% | Reduced |
| Guggenheim Capital LLC | 17,114 | $174.0K | 0.00% | +17,114 | New |
| Cornerstone Investment Partners, LLC | 18,477 | $187.9K | 0.01% | +18,477 | New |
| New York State Common Retirement Fund | 19,968 | $203.1K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 21,530 | $219.0K | 0.02% | +21,530 | New |
| Police & Firemen's Retirement System of New Jersey | 22,650 | $230.3K | 0.00% | +4,147+22.4% | Added |
| Creative Planning | 23,507 | $239.1K | 0.00% | +8,808+59.9% | Added |
| Pitcairn Co | 24,272 | $246.8K | 0.02% | −11,670−32.5% | Reduced |
| Arizona State Retirement System | 24,415 | $248.3K | 0.00% | +516+2.2% | Added |
| Mariner, LLC | 24,502 | $249.2K | 0.00% | +10,205+71.4% | Added |
| KLP Kapitalforvaltning AS | 24,600 | $250.2K | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 25,000 | $254.3K | 0.00% | +25,000 | New |
| BNP Paribas Arbitrage, SA | 27,716 | $281.9K | 0.00% | −5,449−16.4% | Reduced |
| SEI Investments Co | 29,344 | $298.4K | 0.00% | −25,783−46.8% | Reduced |
| LPL Financial LLC | 30,135 | $306.5K | 0.00% | +2,957+10.9% | Added |
| Royal Bank of Canada | 33,858 | $344.0K | 0.00% | −78,238−69.8% | Reduced |
| Janus Henderson Group PLC | 34,000 | $345.9K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 34,919 | $355.1K | 0.00% | +21,294+156.3% | Added |
| Intech Investment Management LLC | 35,560 | $361.6K | 0.00% | −16,748−32.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 35,795 | $364.0K | 0.00% | −6,468−15.3% | Reduced |
| Jain Global LLC | 36,500 | $371.2K | 0.00% | +36,500 | New |
| Prelude Capital Management, LLC | 39,985 | $406.6K | 0.03% | +11,776+41.7% | Added |
| Price T Rowe Associates Inc | 39,935 | $407.0K | 0.00% | +2,543+6.8% | Added |
| Manufacturers Life Insurance Company, The | 40,047 | $407.3K | 0.00% | −1,631−3.9% | Reduced |
| Quest Partners LLC | 40,513 | $412.0K | 0.03% | −25,757−38.9% | Reduced |
| ProShare Advisors LLC | 40,786 | $414.8K | 0.00% | +25,155+160.9% | Added |
| Virtu Financial LLC | 42,274 | $430.0K | 0.02% | +42,274 | New |
| Wolverine Asset Management LLC | 43,393 | $441.3K | 0.01% | +43,393 | New |
| MetLife Investment Management | 44,048 | $448.0K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 45,461 | $462.3K | 0.01% | +1,630+3.7% | Added |
| Omers Administration Corp | 47,800 | $486.1K | 0.00% | +47,800 | New |
| Walleye Capital LLC | 48,127 | $489.5K | 0.00% | +48,127 | New |
| LSV Asset Management | 48,500 | $493.0K | 0.00% | +48,500 | New |
| Fifth Lane Capital, LP | 50,000 | $508.5K | 0.51% | +50,000 | New |
| Alps Advisors Inc | 54,280 | $552.0K | 0.00% | +13,510+33.1% | Added |
| Principal Financial Group Inc | 54,443 | $553.7K | 0.00% | −9,790−15.2% | Reduced |
| Two Sigma Investments, LP | 59,664 | $606.8K | 0.00% | −59,836−50.1% | Reduced |
| CastleKnight Management LP | 60,300 | $613.3K | 0.03% | +40,202+200.0% | Added |
| Grizzlyrock Capital, LLC | 61,250 | $622.9K | 0.48% | −461,889−88.3% | Reduced |
| Danske Bank A/S | 66,810 | $679.5K | 0.00% | +66,810 | New |