Ticker · CUSIP 46121Y201
Holders (tracked)
11
Combined shares
889,234
Combined value
$24.66M
Last close
$35.19
Quarter
2025Q4
Price · 1Y$35.19+6.11 (+21.01%)H $48.84 · L $23.94 · Avg Vol 217K
Position opened
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
Price is +26.9% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
18 events
- D.E. Shaw & Co. added2026-02-17+23,077 shares · 2025Q4Position
- Two Sigma Investments trimmed2026-02-17−13,577 shares · 2025Q4Position
- Ken Griffin (Citadel Advisors) added2026-02-17+18,617 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−67,633 shares · 2025Q4Position
- Steve Cohen (Point72) opened position2026-02-17+21,251 shares · 2025Q4Position
- +39,086 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−2,836 shares · 2025Q4Position
- Renaissance Technologies added2026-02-12+67,621 shares · 2025Q4Position
- −21,500 shares · 2025Q4Position
- −80,440 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+6,424 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+17,420 shares · 2025Q3Position
- Steve Cohen (Point72) exited2025-11-14−7,700 shares · 2025Q3Position
- Two Sigma Investments trimmed2025-11-14−10,620 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−10,335 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+64,200 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-12−32,400 shares · 2024Q3Position
- −127,500 shares · 2025Q3Position
Insider activity
Last 30 days
Net (open-market)
$0
Buys
0 · $0
Sells
0 · $0
Unique insiders
1
| Date | Insider | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| 04-12 | Ingold Cris Chief Accounting Officer · Officer | F | 711 | $37.35 | $26.6K |
Follow-the-investor returns
If you'd copied each holder of IPI…
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 | 2021Q2 | $23.76 | +48.1% | $8.8M |
| Renaissance Technologies | 2020Q3 | $27.76 | +26.8% | $5.9M |
| D.E. Shaw & Co. | 2020Q3 | $28.54 | +23.3% | $5.6M |
| Ken Griffin (Citadel Advisors) | 2020Q3 | $28.78 | +22.3% | $964K |
| Ken Griffin (Citadel Advisors) | 2020Q3 | $28.78 | +22.3% | $964K |
| Ken Griffin (Citadel Advisors) | 2020Q3 | $28.78 | +22.3% | $964K |
| AQR Capital Management | 2021Q2 | $29.04 | +21.2% | $363K |
| Steve Cohen (Point72) | 2025Q2 | $30.63 | +14.9% | $748K |
| Paul Tudor Jones (Tudor Investment) | 2022Q1 | $33.62 | +4.7% | $1.4M |
| Izzy Englander (Millennium Mgmt) | 2021Q2 | $34.53 | +1.9% | $1.0M |
| Two Sigma Investments | 2021Q1 | $61.84 | -43.1% | $323K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions2
- Paul Tudor Jones (Tudor Investment)+39,086$1.1M
- Steve Cohen (Point72)+21,251$589K
Added to3
- Renaissance Technologies+67,621$1.9M
- D.E. Shaw & Co.+23,077$640K
- Ken Griffin (Citadel Advisors)+18,617$516K
Trimmed4
- Izzy Englander (Millennium Mgmt)−67,633$1.9M
- First Eagle Investment Management−21,500$596K
- Two Sigma Investments−13,577$376K
- AQR Capital Management−2,836$79K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 12 | $5.00B |
| 2022Q2 | 11 | $82.7M |
| 2022Q3 | 8 | $63.0M |
| 2022Q4 | 8 | $42.5M |
| 2023Q1 | 8 | $41.1M |
| 2023Q2 | 9 | $41.4M |
| 2023Q3 | 9 | $42.8M |
| 2023Q4 | 7 | $38.8M |
| 2024Q1 | 8 | $31.5M |
| 2024Q2 | 11 | $41.9M |
| 2024Q3 | 8 | $23.6M |
| 2024Q4 | 7 | $23.5M |
| 2025Q1 | 9 | $30.4M |
| 2025Q2 | 11 | $36.5M |
| 2025Q3 | 9 | $26.2M |
| 2025Q4 | 11 | $24.7M |
Who owns IPI
11 super-investors · 2025Q4
Tracked stake
889.2K
shares
Combined value
$25M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added5Trim4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | First Eagle Investment Management | 249.2K | $7M |
| 2 | Renaissance Technologies | 167.1K | $5M |
| 3 | D.E. Shaw & Co. | 159.0K | $4M |
| 4 | Ken Griffin Citadel Advisors | 137.0K | $4M |
| 5 | Ken Griffin Citadel Advisors | 40.3K | $1M |
| 6 | Paul Tudor Jones Tudor Investment | 39.1K | $1M |
| 7 | Izzy Englander Millennium Mgmt | 29.4K | $816K |
| 8 | Ken Griffin Citadel Advisors | 27.4K | $760K |
| 9 | Steve Cohen Point72 | 21.3K | $589K |
| 10 | AQR Capital Management | 10.3K | $286K |
| 11 | Two Sigma Investments | 9.2K | $255K |
Recent moves
20 transactions
- −13,577 · 2025Q4
- +39,086 · 2025Q4
- +18,617 · 2025Q4
- −67,633 · 2025Q4
- +21,251 · 2025Q4
- −2,836 · 2025Q4
- +23,077 · 2025Q4
- +67,621 · 2025Q4
- −21,500 · 2025Q4
- −80,440 · 2025Q3
- +6,424 · 2025Q3
- −7,700 · 2025Q3
- −10,620 · 2025Q3
- +17,420 · 2025Q3
- TRIMD.E. Shaw & Co.−10,335 · 2025Q3
- +64,200 · 2025Q3
- −32,400 · 2024Q3
- −127,500 · 2025Q3
- +55,731 · 2025Q2
- +7,700 · 2025Q2
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