Integral Ad Science HoldingIAS
13F holders, Q3 2024 (September 30)At the end of Q3 2024, 172 institutions reported holding Integral Ad Science Holding (IAS) in their 13F filings, up 16 from Q2 2024. 41 opened new positions and 26 sold out. The largest holders were Vista Equity Partners Management, LLC ($702.8M), Atlas Venture Advisors, Inc. ($245.6M) and Vanguard Group Inc. ($95.6M). 4 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Integral Ad Science Holding
- CUSIP
- 45828L108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 41 | $15.3M |
| Exits | 26 | $34.2M |
All 13F filers, Q2 2024 → Q3 2024: 7,781,942 shares bought and 9,014,934 shares sold, net −1,232,992 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 172 holders
| Vista Equity Partners Management, LLC | 20.25% | No change | 65,010,001 | $702.8M |
| Atlas Venture Advisors, Inc. | 50.71% | No change | 22,722,770 | $245.6M |
| Vanguard Group Inc. | 0.00% | Add +1.4% | 8,842,984 | $95.6M |
| Sunriver Management LLC | 10.15% | Reduce -4.7% | 7,641,466 | $82.6M |
| P2 Capital Partners, LLC | 9.08% | Add +50.9% | 7,354,317 | $79.5M |
| BlackRock, Inc. | 0.00% | — | 6,005,389 | $64.9M |
| Dimensional Fund Advisors LP | 0.01% | Add +9.6% | 3,209,673 | $34.7M |
| Clearbridge Investments, LLC | 0.02% | Add +0.6% | 2,916,427 | $31.5M |
| TimesSquare Capital Management, LLC | 0.45% | Add +0.6% | 2,772,440 | $30.0M |
| Aberdeen Group plc | 0.04% | Add +12.5% | 2,147,656 | $23.2M |
| Ararat Capital Management LP | 7.51% | Add +15.1% | 2,012,566 | $21.8M |
| Nuveen Asset Management, LLC | 0.01% | Add +8.4% | 1,905,091 | $20.6M |
| Geode Capital Management, LLC | 0.00% | Add +6.4% | 1,834,659 | $19.8M |
| Jacobs Levy Equity Management, Inc. | 0.07% | Reduce -4.6% | 1,674,218 | $18.1M |
| State Street Corp. | 0.00% | Reduce -0.3% | 1,574,633 | $17.0M |
| Ameriprise Financial Inc. | 0.00% | Add +1112.5% | 1,137,941 | $12.3M |
| Citadel Advisors | 0.01% | Reduce -37.8% | 1,060,229 | $11.5M |
| Frontier Capital Management Co. LLC | 0.10% | Reduce -0.6% | 999,338 | $10.8M |
| Morgan Stanley | 0.00% | Reduce -10.9% | 902,419 | $9.8M |
| CenterBook Partners LP | 0.60% | Reduce -21.3% | 900,325 | $9.7M |
| JPMorgan Chase & Co. | 0.00% | Add +47.6% | 717,528 | $7.8M |
| Crestwood Capital Management, L.P. | 5.43% | Add +0.3% | 650,738 | $7.0M |
| Northern Trust Corp. | 0.00% | Add +6.1% | 610,166 | $6.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +7.5% | 595,907 | $6.4M |
| Invenomic Capital Management LP | 0.35% | Add +57.4% | 585,309 | $6.3M |
| Deutsche Bank AG | 0.00% | Reduce -75.8% | 548,241 | $5.9M |
| Algert Global LLC | 0.12% | Reduce -15.7% | 397,571 | $4.3M |
| Bank of America Corp. | 0.00% | Reduce -0.3% | 363,999 | $3.9M |
| Janus Henderson Group PLC | 0.00% | Add +65.9% | 359,370 | $3.9M |
| Atom Investors LP | 0.38% | Add +40.8% | 338,152 | $3.7M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -36.4% | 328,703 | $3.6M |
| PDT Partners, LLC | 0.27% | Add +9.9% | 283,213 | $3.1M |
| Thrivent Financial for Lutherans | 0.01% | Reduce -18.8% | 273,999 | $3.0M |
| 272 Capital LP | 1.63% | Reduce -13.5% | 263,234 | $2.8M |
| Balyasny Asset Management L.P. | 0.01% | Add +244.1% | 262,188 | $2.8M |
| UBS Group AG | 0.00% | Add +4.1% | 258,448 | $2.8M |
| Bank of New York Mellon Corp | 0.00% | Reduce -19.2% | 221,946 | $2.4M |
| Renaissance Technologies | 0.00% | Add +237.5% | 204,200 | $2.2M |
| HERALD INVESTMENT MANAGEMENT Ltd | 0.37% | No change | 200,000 | $2.2M |
| Renaissance Group LLC | 0.09% | Add +8.2% | 195,079 | $2.1M |
| Boothbay Fund Management, LLC | 0.06% | Reduce -1.6% | 175,734 | $1.9M |
| AQR Capital Management | 0.00% | Add +386.4% | 168,718 | $1.8M |
| Rice Hall James & Associates, LLC | 0.10% | New | 166,047 | $1.8M |
| Washington Harbour Partners LP | 3.12% | New | 161,300 | $1.7M |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.04% | Add +10.9% | 158,043 | $1.7M |
| Repertoire Partners LP | 2.30% | New | 155,000 | $1.7M |
| Horrell Capital Management, Inc. | 0.48% | Reduce -40.0% | 150,000 | $1.6M |
| Circumference Group LLC | 1.70% | Reduce -40.0% | 150,000 | $1.6M |
| Qube Research & Technologies Ltd | 0.00% | Reduce -35.2% | 148,632 | $1.6M |
| Essex Investment Management Co. LLC | 0.28% | New | 148,456 | $1.6M |
| Swiss National Bank | 0.00% | No change | 140,600 | $1.5M |
| Voloridge Investment Management, LLC | 0.01% | Reduce -71.9% | 137,755 | $1.5M |
| Barclays PLC | 0.00% | Add +207.1% | 127,733 | $1.4M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -10.8% | 124,071 | $1.3M |
| Cubist Systematic Strategies, LLC | 0.02% | New | 116,939 | $1.3M |
| Franklin Resources Inc. | 0.00% | Add +12.9% | 110,449 | $1.2M |
| Rhumbline Advisers | 0.00% | Add +1.9% | 108,725 | $1.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -7.7% | 108,615 | $1.2M |
| Susquehanna International Group, LLP | 0.00% | Add +19.9% | 90,843 | $982K |
| Raymond James & Associates | 0.00% | Add +43.0% | 81,924 | $886K |
| State Board of Administration of Florida Retirement System | 0.00% | Add +490.8% | 80,764 | $873K |
| Danske Bank A/S | 0.00% | New | 77,513 | $838K |
| Wells Fargo & Company | 0.00% | Reduce -3.6% | 77,502 | $838K |
| Alliancebernstein L.P. | 0.00% | No change | 76,580 | $828K |
| Canada Pension Plan Investment Board | 0.00% | No change | 72,000 | $778K |
| Legal & General Group Plc | 0.00% | Add +0.6% | 69,912 | $756K |
| Squarepoint Ops LLC | 0.00% | Reduce -75.6% | 68,919 | $745K |
| California State Teachers Retirement System | 0.00% | Reduce -2.5% | 68,310 | $738K |
| Jennison Associates LLC | 0.00% | New | 61,492 | $665K |
| Twinbeech Capital LP | 0.01% | Reduce -22.2% | 60,985 | $659K |
| Focus Partners Wealth | 0.00% | New | 60,000 | $649K |
| ExodusPoint Capital Management, LP | 0.01% | New | 56,562 | $611K |
| Citigroup Inc. | 0.00% | Add +162.7% | 53,124 | $574K |
| Legato Capital Management LLC | 0.07% | New | 50,888 | $550K |
| Bank of Montreal | 0.00% | Reduce -23.7% | 49,918 | $549K |
| Jane Street Group, LLC | 0.00% | Reduce -74.6% | 46,675 | $505K |
| Voya Investment Management LLC | 0.00% | Add +0.1% | 43,675 | $472K |
| Walleye Capital LLC | 0.01% | Reduce -2.2% | 43,470 | $470K |
| First Trust Advisors LP | 0.00% | New | 43,322 | $468K |
| Invesco Ltd. | 0.00% | Reduce -1.8% | 43,315 | $468K |
| MetLife Investment Management, LLC | 0.00% | No change | 40,798 | $441K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +16.2% | 39,687 | $429K |
| Landscape Capital Management, L.L.C. | 0.04% | Reduce -54.2% | 38,722 | $419K |
| Corebridge Financial, Inc. | 0.00% | Reduce -0.6% | 38,640 | $418K |
| SG Americas Securities, LLC | 0.00% | Reduce -6.4% | 37,730 | $408K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -0.5% | 37,680 | $407K |
| Centiva Capital, LP | 0.02% | Add +262.9% | 36,881 | $399K |
| Raymond James Financial Services Advisors, Inc. | 0.00% | Reduce -1.8% | 36,048 | $390K |
| US Bancorp \de | 0.00% | Add +540.9% | 35,776 | $387K |
| AlphaQuest LLC | 0.03% | Add +101255.9% | 34,461 | $373K |
| Point72 Asset Management | 0.00% | New | 34,303 | $371K |
| Two Sigma Advisers, LP | 0.00% | Reduce -87.6% | 32,400 | $350K |
| Y-Intercept (Hong Kong) Ltd | 0.02% | Reduce -25.6% | 30,443 | $329K |
| Victory Capital Management Inc. | 0.00% | Reduce -39.1% | 30,185 | $326K |
| Envestnet Asset Management Inc. | 0.00% | Add +1.4% | 29,619 | $320K |
| STRS Ohio | 0.00% | Reduce -54.7% | 26,900 | $291K |
| Oppenheimer & Co. Inc. | 0.00% | New | 25,971 | $281K |
| T. Rowe Price Associates Inc. | 0.00% | Add +3.8% | 23,898 | $259K |
| Fox Run Management, L.L.C. | 0.06% | New | 23,864 | $258K |
| Marshall Wace, LLP | 0.00% | New | 23,500 | $254K |
"% of holder's portfolio" is IAS's weight in each manager's 13F, not the share of Integral Ad Science Holding the manager owns.