Ticker · CUSIP 451107106
Holders (tracked)
16
Combined shares
4,696,933
Combined value
$594.44M
Last close
$147.96
Quarter
2025Q4
Price · 1Y$147.96+31.91 (+27.50%)H $148.40 · L $108.79 · Avg Vol 452K
Congress buy
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is +16.9% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
25 events
- +14,052 shares · 2025Q4Position
- Ken Griffin (Citadel Advisors) added2026-02-17+1,955 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−17,534 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−30,063 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+205,039 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+86,202 shares · 2025Q4Position
- Steve Cohen (Point72) added2026-02-17+30,033 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+2,524 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−305,043 shares · 2025Q4Position
- Ray Dalio (Bridgewater Associates) added2026-02-13+35,142 shares · 2025Q4Position
- George Soros (Soros Fund Mgmt) added2026-02-13+181,113 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−87,100 shares · 2025Q4Position
- Mario Gabelli (GAMCO) added2026-02-05+2,000 shares · 2025Q4Position
- Steve Cohen (Point72) trimmed2025-11-14−58,505 shares · 2025Q3Position
- Two Sigma Investments trimmed2025-11-14−71,167 shares · 2025Q3Position
- D.E. Shaw & Co. opened position2025-11-14+22,966 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+22,171 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−457,576 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+3,200 shares · 2025Q3Position
- Wellington Management trimmed2025-11-14−78,715 shares · 2025Q3Position
- George Soros (Soros Fund Mgmt) trimmed2025-11-14−2,457 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+24,700 shares · 2025Q3Position
- −65,469 shares · 2025Q3Position
- −641 shares · 2025Q3Position
- Mario Gabelli (GAMCO) added2025-11-12+4,000 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of IDA…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| First Eagle Investment Management | 2016Q1 | $87.45 | +69.2% | $13.5M |
| Wellington Management | 2016Q1 | $101.50 | +45.8% | $446.6M |
| T. Rowe Price | 2016Q1 | $104.77 | +41.2% | $7.3M |
| Paul Tudor Jones (Tudor Investment) | 2016Q1 | $105.45 | +40.3% | $2.1M |
| AQR Capital Management | 2016Q1 | $109.91 | +34.6% | $7.7M |
| Renaissance Technologies | 2016Q1 | $110.79 | +33.6% | $6.1M |
| George Soros (Soros Fund Mgmt) | 2023Q4 | $115.98 | +27.6% | $86.6M |
| Two Sigma Investments | 2019Q2 | $116.82 | +26.7% | $79.0M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $117.93 | +25.5% | $20.5M |
| Ray Dalio (Bridgewater Associates) | 2018Q2 | $120.34 | +23.0% | $8.4M |
| Mario Gabelli (GAMCO) | 2025Q1 | $122.54 | +20.7% | $1.9M |
| Steve Cohen (Point72) | 2019Q2 | $126.12 | +17.3% | $4.6M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $127.74 | +15.8% | $1.3M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $127.74 | +15.8% | $1.3M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $127.74 | +15.8% | $1.3M |
| D.E. Shaw & Co. | 2016Q1 | $128.87 | +14.8% | $804K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Paul Tudor Jones (Tudor Investment)+14,052$1.8M
Added to8
- Two Sigma Investments+205,039$25.9M
- George Soros (Soros Fund Mgmt)+181,113$22.9M
- Izzy Englander (Millennium Mgmt)+86,202$10.9M
- Ray Dalio (Bridgewater Associates)+35,142$4.4M
- Steve Cohen (Point72)+30,033$3.8M
- Mario Gabelli (GAMCO)+2,000$253K
- Ken Griffin (Citadel Advisors)+1,955$247K
- T. Rowe Price+2,524$319
Trimmed4
- Wellington Management−305,043$38.6M
- Renaissance Technologies−87,100$11.0M
- AQR Capital Management−30,063$3.8M
- D.E. Shaw & Co.−17,534$2.2M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 14 | $1.06B |
| 2022Q2 | 9 | $984.6M |
| 2022Q3 | 12 | $653.9M |
| 2022Q4 | 12 | $736.0M |
| 2023Q1 | 13 | $771.1M |
| 2023Q2 | 12 | $736.4M |
| 2023Q3 | 11 | $640.9M |
| 2023Q4 | 12 | $714.2M |
| 2024Q1 | 13 | $832.9M |
| 2024Q2 | 11 | $796.4M |
| 2024Q3 | 11 | $358.2M |
| 2024Q4 | 12 | $135.2M |
| 2025Q1 | 14 | $536.8M |
| 2025Q2 | 14 | $645.5M |
| 2025Q3 | 15 | $604.7M |
| 2025Q4 | 16 | $594.4M |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2026-03-03 | Gilbert Cisneros | Buy | $1K – $15K | PDF ↗ |
| 2025-04-09 | Josh Gottheimer | Sell (P) | $1K – $15K | PDF ↗ |
Who owns IDA
16 super-investors · 2025Q4
Tracked stake
4.70M
shares
Combined value
$594M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added10Trim4Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 3.02M | $382M |
| 2 | George Soros Soros Fund Mgmt | 585.1K | $74M |
| 3 | Two Sigma Investments | 534.0K | $68M |
| 4 | Izzy Englander Millennium Mgmt | 138.7K | $18M |
| 5 | First Eagle Investment Management | 91.3K | $12M |
| 6 | Ray Dalio Bridgewater Associates | 56.8K | $7M |
| 7 | AQR Capital Management | 51.9K | $7M |
| 8 | T. Rowe Price | 49.2K | $6M |
| 9 | Renaissance Technologies | 41.1K | $5M |
| 10 | Ken Griffin Citadel Advisors | 31.3K | $4M |
| 11 | Steve Cohen Point72 | 30.8K | $4M |
| 12 | Ken Griffin Citadel Advisors | 26.8K | $3M |
| 13 | Paul Tudor Jones Tudor Investment | 14.1K | $2M |
| 14 | Mario Gabelli GAMCO | 13.0K | $2M |
| 15 | Ken Griffin Citadel Advisors | 8.8K | $1M |
| 16 | D.E. Shaw & Co. | 5.4K | $687K |
Recent moves
20 transactions
- +86,202 · 2025Q4
- +14,052 · 2025Q4
- TRIMD.E. Shaw & Co.−17,534 · 2025Q4
- +2,524 · 2025Q4
- −30,063 · 2025Q4
- +30,033 · 2025Q4
- +1,955 · 2025Q4
- −305,043 · 2025Q4
- +205,039 · 2025Q4
- +181,113 · 2025Q4
- +35,142 · 2025Q4
- −87,100 · 2025Q4
- +2,000 · 2025Q4
- −58,505 · 2025Q3
- −457,576 · 2025Q3
- −71,167 · 2025Q3
- +22,966 · 2025Q3
- +3,200 · 2025Q3
- −78,715 · 2025Q3
- −2,457 · 2025Q3
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