Latest Period
Q1 2026
Security Snapshot
IAC Inc. - Common Stock (IAC) Institutional Ownership
CUSIP: 44891N208
13F Institutional Holders and Ownership History from Q2 2017 to Q1 2026
Institutions Reporting
329
Shares (Excl. Options)
70,446,717
Price
$40.03
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- Security type / class
- Equity / Common Stock
- Symbol
- IAC on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 70,446,717
- Total 13F value
- $2,819,154,753
- Portfolio coverage rank
- 0.01%
- Share change
- -569,240
- Value change
- -$19,719,743
- Number of holders
- 329
- Shares outstanding
- 71,221,696
- SEC-reported price per share
- $40.74
- Insider filing price
- $40.74
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- IAC - IAC Inc. - Common Stock is tracked under CUSIP 44891N208.
- 329 institutions reported positions in Q1 2026.
- 7 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 350 to 329 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $2,778,762,190 to $2,819,154,753.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 329 institutions filings for Q1 2026.
Security key
44891N208
Latest holder period
Q1 2026
13F holders
329
13D/G owners
7
CIK / CUSIP context first
Open Q1 2026 holders
IAC full holder history
IAC Inc. SEC filings
IAC Inc. company facts
IAC Inc. insider transactions
IAC Inc. 13D/G history
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 44891N208:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
7
Security
IAC
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| 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 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.1% | $144,545,928 | 3,610,940 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| LEVIN JOSEPH | 1.3% | $36,320,937 | 1,021,686 | Joseph M. Levin | 13 Jan 2025 |
As of 31 Mar 2026, 329 institutional investors reported holding 70,446,717 shares of IAC Inc. - Common Stock (IAC). This represents 99% of the company’s total 71,221,696 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
76%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 11% | 7,945,476 | +2.2% | 0.01% | $318,057,405 |
| ARISTEIA CAPITAL, L.L.C. | 8.3% | 5,908,837 | +3.6% | 5.4% | $236,530,745 |
| SOUTHEASTERN ASSET MANAGEMENT INC/TN/ | 5.6% | 4,022,729 | +0.84% | 7.9% | $161,029,842 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5% | 3,591,172 | 0% | 0.01% | $143,754,615 |
| Helikon Investments Ltd | 4.9% | 3,518,414 | +89% | 5.3% | $140,842,112 |
| Corvex Management LP | 4.7% | 3,355,075 | 0% | 5.3% | $134,303,652 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.1% | 2,917,892 | 0% | 0% | $116,803,217 |
| Patient Capital Management, LLC | 3.8% | 2,699,564 | +14% | 4% | $108,063,564 |
| Davis Selected Advisers | 3.4% | 2,413,247 | -4% | 0.44% | $96,602,764 |
| STATE STREET CORP | 3.2% | 2,255,287 | +2.9% | 0% | $90,279,139 |
| AQR CAPITAL MANAGEMENT LLC | 3.1% | 2,203,183 | +33% | 0.04% | $88,127,321 |
| BANK OF MONTREAL /CAN/ | 2.9% | 2,037,824 | -35% | 0.03% | $81,574,094 |
| THOMPSON SIEGEL & WALMSLEY LLC | 2.6% | 1,821,069 | -5.2% | 1.3% | $72,897,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.7% | 1,194,052 | +1.3% | 0% | $47,810,594 |
| Wallace Capital Management Inc. | 1.6% | 1,119,278 | +27% | 5.1% | $44,804,698 |
| Boston Partners | 1.2% | 873,339 | +17% | 0.04% | $34,959,055 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2% | 867,299 | +11% | 0.01% | $34,717,979 |
| BANK OF AMERICA CORP /DE/ | 1.2% | 831,980 | -0.57% | 0% | $33,304,159 |
| Empyrean Capital Partners, LP | 1.2% | 820,000 | +21% | 1.1% | $32,824,600 |
| MORGAN STANLEY | 1.1% | 815,871 | -10% | 0% | $32,659,370 |
| UBS Group AG | 1% | 718,589 | -8% | 0.01% | $28,765,117 |
| JPMORGAN CHASE & CO | 0.91% | 650,428 | +2.3% | 0% | $25,444,749 |
| ALLEN HOLDING INC /NY | 0.84% | 601,100 | 0% | 2.4% | $24,062,033 |
| Public Sector Pension Investment Board | 0.83% | 593,963 | +18% | 0.07% | $23,776,339 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | 0.8% | 568,456 | +36% | 1.4% | $22,237,999 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
36
Latest
Q1 2026
Rows shown
1-25 of 36
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 70,446,717 | $2,819,154,753 | -$19,719,743 | $40.03 | 329 |
| 2025 Q4 | 71,073,943 | $2,778,762,190 | +$186,090,648 | $39.10 | 350 |
| 2025 Q3 | 69,626,070 | $2,379,034,937 | -$80,171,697 | $34.07 | 340 |
| 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 |