Integral Ad Science HoldingIAS

13F holders, Q3 2024 (September 30)
172holders +16
41new positions
26sold out
4famous investors
$10.81avg. 13F price*

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

050100150200 Q1 2024: 166Q1 2024Q2 2024: 156Q2 2024Q3 2024: 172Q3 2024Q4 2024: 165Q4 2024Q1 2025: 187Q1 2025Q2 2025: 170Q2 2025Q3 2025: 171Q3 2025Q4 2025: 2Q4 2025Q1 2026: 1Q1 2026Q2 2026: 1Q2 2026

Total Exit/New Position Q2 2024 → Q3 2024

InstitutionsTotal Value
New Positions41$15.3M
Exits26$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
LPL Financial LLC 0.00% New 23,116 $250K
Federated Hermes, Inc. 0.00% No change 22,500 $243K
Engineers Gate Manager LP 0.00% Reduce -18.0% 21,179 $229K
Arizona State Retirement System 0.00% Add +3.5% 20,803 $225K
Petrus Trust Company, LTA 0.02% New 20,376 $220K
New York State Common Retirement Fund 0.00% No change 19,968 $216K
PEAK6 Investments LLC 0.01% New 19,714 $213K
Intech Investment Management LLC 0.00% New 18,450 $199K
Marex Group Ltd 0.00% No change 17,000 $184K
Corient Private Wealth LP 0.00% New 16,839 $182K
Dynamic Technology Lab Private Ltd 0.02% New 16,623 $180K
Versor Investments LP 0.03% Reduce -38.9% 16,500 $178K
Corton Capital Inc. 0.08% New 16,089 $174K
HSBC Holdings PLC 0.00% Reduce -15.4% 15,734 $172K
Bridgefront Capital, LLC 0.06% Reduce -7.5% 14,871 $161K
Osterweis Capital Management Inc. 0.01% No change 14,285 $154K
ProShare Advisors LLC 0.00% New 13,656 $148K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 13,148 $142K
Public Employees Retirement System of Ohio 0.00% New 12,800 $138K
American Trust 0.01% Reduce -9.5% 12,045 $130K
Stoneridge Investment Partners LLC 0.05% New 11,600 $125K
Dakota Wealth Management 0.00% Reduce -6.1% 11,511 $124K
Pinnacle Wealth Planning Services, Inc. 0.02% No change 11,508 $124K
State of Wisconsin Investment Board 0.00% New 10,577 $114K
Quantbot Technologies LP 0.00% New 9,772 $106K
Royal Bank of Canada 0.00% Reduce -75.0% 8,773 $94K
Tower Research Capital LLC (TRC) 0.00% Reduce -49.1% 6,926 $75K
Ameritas Investment Partners, Inc. 0.00% No change 6,724 $73K
Acadian Asset Management LLC 0.00% New 6,320 $68K
FMR LLC 0.00% Add +18.5% 5,456 $59K
ANTIPODES PARTNERS Ltd 0.00% New 5,023 $54K
nVerses Capital, LLC 0.02% New 4,200 $45K
Cwm, LLC 0.00% Add +936.4% 4,125 $45K
Point72 (DIFC) Ltd 0.00% New 3,828 $41K
Concourse Financial Group Securities, Inc. 0.00% Reduce -0.2% 2,545 $28K
Lindbrook Capital, LLC 0.00% Add +1.7% 2,473 $27K
Amalgamated Bank 0.00% No change 2,276 $25K
Aster Capital Management (DIFC) Ltd 0.00% — 1,846 $20K
Nisa Investment Advisors, LLC 0.00% Reduce -99.6% 1,588 $17K
Simplex Trading, LLC 0.00% Reduce -92.7% 1,386 $14K
Comerica Bank 0.00% Add +109.3% 1,283 $14K
Osaic Holdings, Inc. 0.00% Add +2.2% 1,231 $13K
Quadrant Capital Group LLC 0.00% Reduce -9.4% 941 $10K
Signaturefd, LLC 0.00% No change 931 $10K
PNC Financial Services Group, Inc. 0.00% Add +12.7% 870 $9K
Point72 Hong Kong Ltd 0.00% New 654 $7K
Parallel Advisors, LLC 0.00% No change 544 $6K
GAMMA Investing LLC 0.00% Add +130.7% 473 $5K
Earned Wealth Advisors, LLC 0.00% New 418 $5K
True Wealth Design, LLC 0.00% New 302 $3K
IFP Advisors, Inc 0.00% Reduce -28.2% 300 $3K
Sterling Capital Management LLC 0.00% — 232 $3K
Trust Co. of Vermont 0.00% New 207 $2K
CIBC Private Wealth Group LLC 0.00% New 180 $2K
Versant Capital Management, Inc 0.00% Reduce -10.8% 166 $2K
Blue Trust, Inc. 0.00% New 168 $2K
Farther Finance Advisors, LLC 0.00% Add +0.9% 111 $1K
Allspring Global Investments Holdings, LLC 0.00% No change 110 $1K
Rothschild Investment LLC 0.00% Add +75.0% 105 $1K
Bessemer Group Inc. 0.00% New 75 $1K
Fifth Third Bancorp 0.00% New 88 $951
Allworth Financial LP 0.00% No change 65 $703
Smartleaf Asset Management LLC 0.00% Reduce -38.4% 61 $671
Private Wealth Management Group, LLC 0.00% No change 50 $541
Northwestern Mutual Wealth Management Co. 0.00% Reduce -66.0% 34 $368
JFS Wealth Advisors, LLC 0.00% Add +4.0% 26 $282
SJS Investment Consulting Inc. 0.00% Reduce -9.1% 10 $109
DiNuzzo Private Wealth, Inc. 0.00% Reduce -28.6% 5 $55
Claris Advisors, LLC / Mo / 0.00% New 2 $22
Huntington National Bank 0.00% No change 1 $11
Hemington Wealth Management 0.00% New 7 $0
Covestor Ltd 0.00% Reduce -10.0% 9 $0

"% of holder's portfolio" is IAS's weight in each manager's 13F, not the share of Integral Ad Science Holding the manager owns.