Ticker · CUSIP 451100101
Holders (tracked)
5
Combined shares
550,122,961
Combined value
$4.15B
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
4 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−43,955 shares · 2025Q413F
- Carl Icahn added2026-02-17+30,467,595 shares · 2025Q413F
- Mario Gabelli (GAMCO) opened position2026-02-05+14,000 shares · 2025Q413F
- Carl Icahn added2025-11-14+24,149,325 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions1
- Mario Gabelli (GAMCO)+14,000$106K
Added to1
- Carl Icahn+30,467,595$230.0M
Trimmed1
- Ken Griffin (Citadel Advisors)−43,955$332K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 5 | $13.36B |
| 2022Q2 | 3 | $13.37B |
| 2022Q3 | 3 | $14.4M |
| 2022Q4 | 4 | $33.2M |
| 2023Q1 | 3 | $27.8M |
| 2023Q2 | 5 | $40.6M |
| 2023Q3 | 4 | $17.4M |
| 2023Q4 | 5 | $19.0M |
| 2024Q1 | 3 | $6.26B |
| 2024Q2 | 5 | $6.70B |
| 2024Q3 | 3 | $5.86B |
| 2024Q4 | 3 | $3.91B |
| 2025Q1 | 3 | $4.09B |
| 2025Q2 | 4 | $3.99B |
| 2025Q3 | 4 | $4.37B |
| 2025Q4 | 5 | $4.15B |
Who owns IEP
5 super-investors · 2025Q4
Tracked stake
550.12M
shares
Combined value
$4.15B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added1Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Carl Icahn | 549.40M | $4.15B |
| 2 | Ken Griffin Citadel Advisors | 317.4K | $2M |
| 3 | Ken Griffin Citadel Advisors | 206.7K | $2M |
| 4 | Ken Griffin Citadel Advisors | 184.3K | $1M |
| 5 | Mario Gabelli GAMCO | 14.0K | $106K |
Recent moves
20 transactions
- −43,955 · 2025Q4
- ADDCarl Icahn+30,467,595 · 2025Q4
- +14,000 · 2025Q4
- ADDCarl Icahn+24,149,325 · 2025Q3
- ADDCarl Icahn+43,995,449 · 2025Q2
- ADDCarl Icahn+17,581,237 · 2024Q4
- ADDCarl Icahn+26,892,947 · 2024Q3
- ADDCarl Icahn+38,434,084 · 2024Q2
- NEWBlackRock+1 · 2024Q2
- SOLDBlackRock−5 · 2024Q1
- ADDCarl Icahn+17,060,798 · 2023Q4
- NEWBlackRock+5 · 2023Q4
- ADDCarl Icahn+16,324,527 · 2023Q3
- ADDCarl Icahn+34,496,953 · 2023Q2
- ADDCarl Icahn+11,441,398 · 2022Q4
- ADDCarl Icahn+10,902,568 · 2022Q3
- ADDCarl Icahn+20,606,398 · 2022Q2
- −6,142 · 2022Q2
- +6,142 · 2022Q1
- −171,904 · 2021Q3
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