IAC Inc. - Common Stock, par value $0.0001 (IAC) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2017 to Q4 2025

Type / Class
Equity / Common Stock, par value $0.0001
Symbol
IAC on Nasdaq
Shares outstanding
71,638,932
Price per share
$39.64
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
51,285,328
Total reported value
$2,005,048,916
% of total 13F portfolios
0.01%
Share change
+2,320,749
Value change
+$92,258,753
Number of holders
265
Price from insider filings
$39.64
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of IAC Inc. - Common Stock, par value $0.0001 (IAC) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD GROUP INC 10% +2.8% $278,432,719 -$2,651,781 7,832,144 -0.94% The Vanguard Group 31 Mar 2025
Diller Barry 8.1% $252,427,361 7,100,629 BARRY DILLER 13 Jan 2025
ARISTEIA CAPITAL, L.L.C. 8% $226,045,475 5,702,459 Aristeia Capital, L.L.C. 31 Dec 2025
HighSage Ventures LLC 7.3% +8.6% $219,028,027 +$16,814,612 5,394,779 +8.3% Stier Jennifer 30 Jun 2025
SOUTHEASTERN ASSET MANAGEMENT INC/TN/ 5.6% $158,137,438 3,989,340 Southeastern Asset Management, Inc. 31 Dec 2025
JPMORGAN CHASE & CO 4.9% -43% $124,354,035 -$98,221,902 3,649,957 -44% JPMORGAN CHASE & CO. 30 Sep 2025
LEVIN JOSEPH 1.3% $36,320,937 1,021,686 Joseph M. Levin 13 Jan 2025

As of 31 Dec 2025, 265 institutional investors reported holding 51,285,328 shares of IAC Inc. - Common Stock, par value $0.0001 (IAC). This represents 72% of the company’s total 71,638,932 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of IAC Inc. - Common Stock, par value $0.0001 (IAC) together control 60% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 11% 7,777,357 -1.1% 0.01% $304,094,658
VANGUARD GROUP INC 9.7% 6,921,604 -4.9% 0% $270,634,717
SOUTHEASTERN ASSET MANAGEMENT INC/TN/ 5.6% 3,989,340 +44% 6.9% $155,983,194
BANK OF MONTREAL /CAN/ 4.4% 3,128,104 +42721% 0.05% $122,308,867
Davis Selected Advisers 3.5% 2,514,072 +12% 0.44% $98,300,787
Patient Capital Management, LLC 3.3% 2,374,050 +13% 3.6% $92,825,369
STATE STREET CORP 3.1% 2,192,573 -4.4% 0% $85,729,604
THOMPSON SIEGEL & WALMSLEY LLC 2.7% 1,920,126 -3.4% 1.3% $75,077,000
Helikon Investments Ltd 2.6% 1,866,442 +41% 3.9% $72,977,882
GEODE CAPITAL MANAGEMENT, LLC 1.6% 1,178,615 -6.3% 0% $46,094,517
MORGAN STANLEY 1.3% 907,983 +5.2% 0% $35,502,188
UBS Group AG 1.1% 781,195 +11% 0.01% $30,544,725
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.1% 779,372 -0.69% 0% $30,473,445
Boston Partners 1% 744,569 0.03% $29,113,848
Apollo Management Holdings, L.P. 0.98% 700,000 0.27% $27,370,000
JPMORGAN CHASE & CO 0.89% 635,864 -83% 0% $24,862,287
BROWN ADVISORY INC 0.88% 630,495 -11% 0.03% $24,652,354
ALLEN HOLDING INC /NY 0.84% 601,100 0% 2.2% $23,503,010
Allspring Global Investments Holdings, LLC 0.83% 592,879 -5.9% 0.04% $23,145,996
PUBLIC SECTOR PENSION INVESTMENT BOARD 0.7% 502,293 -0.46% 0.07% $19,639,656
Applied Fundamental Research, LLC 0.63% 448,254 0% 17% $17,526,731
NORTHERN TRUST CORP 0.62% 447,286 -9.8% 0% $17,488,884
ROYAL BANK OF CANADA 0.6% 432,991 -30% 0% $16,929,000
ACR Alpine Capital Research, LLC 0.6% 430,987 +137% 0.26% $16,851,592
HIGHBRIDGE CAPITAL MANAGEMENT LLC 0.58% 417,452 -14% 0.75% $16,322,373

Institutional Holders of IAC Inc. - Common Stock, par value $0.0001 (IAC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 51,285,328 $2,005,048,916 +$92,258,753 $39.10 265
2025 Q3 69,626,069 $2,379,034,902 -$80,171,697 $34.07 339
2025 Q2 71,564,248 $2,673,949,908 +$93,431,262 $37.34 339
2025 Q1 68,423,058 $3,130,129,761 -$20,474,549 $45.94 329
2024 Q4 69,244,030 $2,986,916,976 -$88,122,580 $43.14 347
2024 Q3 69,382,999 $3,733,853,917 -$204,721,332 $53.82 360
2024 Q2 73,232,059 $3,431,605,288 +$258,568,607 $46.85 350
2024 Q1 67,341,414 $3,591,200,313 +$11,268,477 $53.34 352
2023 Q4 67,225,918 $3,521,513,672 -$48,646,670 $52.38 346
2023 Q3 68,206,021 $3,435,093,895 -$82,151,033 $50.39 344
2023 Q2 69,635,073 $4,357,340,780 +$11,539,597 $62.80 359
2023 Q1 69,636,373 $3,591,521,048 -$182,770,780 $51.60 357
2022 Q4 74,077,960 $3,288,205,500 -$96,213,728 $44.40 365
2022 Q3 74,722,845 $4,137,569,838 -$27,396,758 $55.38 369
2022 Q2 74,769,747 $5,675,729,771 +$3,188,180 $75.97 380
2022 Q1 74,591,501 $7,477,054,717 -$63,910,830 $100.28 394
2021 Q4 74,568,175 $9,743,443,398 +$205,645,145 $130.71 450
2021 Q3 72,259,744 $9,414,925,492 +$28,595,976 $130.29 447
2021 Q2 71,697,925 $11,044,059,992 +$11,006,691,017 $154.17 469
2021 Q1 356 $55,000 $154.49 1
2020 Q4 356 $55,000 $154.49 1
2020 Q3 356 $55,000 $154.49 1
2020 Q2 356 $55,000 $154.49 1
2020 Q1 356 $55,000 $154.49 1
2019 Q4 356 $55,000 $154.49 1
2019 Q3 356 $55,000 -$109,000 $154.49 1
2019 Q2 856 $164,000 $186.25 2
2019 Q1 856 $160,000 $182.25 2
2018 Q4 500 $92,000 $184.00 1
2018 Q3 500 $108,000 $216.00 1
2018 Q2 500 $76,000 $152.00 1
2018 Q1 500 $78,000 $156.00 1
2017 Q4 500 $61,000 $122.00 1
2017 Q3 500 $59,000 $118.00 1
2017 Q2 500 $52,000 +$52,000 $104.00 1