Ticker · CUSIP 45257L108
Holders (tracked)
2
Combined shares
201,346
Combined value
$575.9K
Last close
$0.58
Quarter
2025Q4
Price · 1Y$0.58-0.96 (-62.34%)H $3.18 · L $0.31 · Avg Vol 3.7M
Position opened
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
Price is -79.6% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
4 events
- Ken Griffin (Citadel Advisors) exited2026-02-17−44,072 shares · 2025Q4Position
- Two Sigma Investments opened position2026-02-17+94,595 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+57,454 shares · 2025Q4Position
- +49,297 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of IMMP…
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 |
|---|---|---|---|---|
| Izzy Englander (Millennium Mgmt) | 2020Q1 | $2.40 | -75.7% | $62K |
| Two Sigma Investments | 2023Q2 | $2.66 | -78.0% | $55K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Two Sigma Investments+94,595$271K
Added to1
- Izzy Englander (Millennium Mgmt)+57,454$164K
Trimmed0
—
Exited1
- Ken Griffin (Citadel Advisors)−44,072$77K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 4 | $4.6M |
| 2022Q2 | 4 | $3.4M |
| 2022Q3 | 4 | $2.5M |
| 2022Q4 | 4 | $1.4M |
| 2023Q1 | 4 | $1.1M |
| 2023Q2 | 5 | $526K |
| 2023Q3 | 4 | $1.5M |
| 2023Q4 | 4 | $1.7M |
| 2024Q1 | 5 | $2.6M |
| 2024Q2 | 7 | $2.7M |
| 2024Q3 | 4 | $191K |
| 2024Q4 | 4 | $103K |
| 2025Q1 | 4 | $138K |
| 2025Q2 | 2 | $62K |
| 2025Q3 | 3 | $183K |
| 2025Q4 | 2 | $576K |
Who owns IMMP
2 super-investors · 2025Q4
Tracked stake
201.3K
shares
Combined value
$576K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Izzy Englander Millennium Mgmt | 106.8K | $305K |
| 2 | Two Sigma Investments | 94.6K | $271K |
Recent moves
20 transactions
- −44,072 · 2025Q4
- +57,454 · 2025Q4
- +94,595 · 2025Q4
- +49,297 · 2025Q3
- −15,405 · 2025Q2
- −962 · 2025Q1
- −19,242 · 2024Q4
- −35,603 · 2024Q3
- −278,249 · 2024Q2
- ADDBlackRock+89,621 · 2024Q2
- +289,035 · 2024Q1
- ADDBlackRock+103,232 · 2024Q1
- −726,179 · 2023Q4
- NEWBlackRock+646,228 · 2023Q4
- −25,646 · 2023Q3
- +615,447 · 2023Q3
- +25,646 · 2023Q2
- −358,980 · 2023Q2
- −197,414 · 2023Q1
- −340,915 · 2022Q4
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