Ticker · CUSIP 452521107
···Share
Holders (tracked)
6
Combined shares
1,010,609
Combined value
$6.63M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
-3 vs previous quarter over the last 8.
692024Q12025Q4

SEC event timeline

14 events
  1. +85,382 shares · 2025Q4
    13F
  2. +21,921 shares · 2025Q4
    13F
  3. −117,739 shares · 2025Q4
    13F
  4. −91,509 shares · 2025Q4
    13F
  5. −69,482 shares · 2025Q4
    13F
  6. −103,513 shares · 2025Q4
    13F
  7. −113,783 shares · 2025Q3
    13F
  8. +11,725 shares · 2025Q3
    13F
  9. +294,393 shares · 2025Q3
    13F
  10. +45,881 shares · 2025Q3
    13F
  11. +204,972 shares · 2025Q3
    13F
  12. +665 shares · 2025Q3
    13F
  13. +103,513 shares · 2025Q3
    13F
  14. −81,300 shares · 2024Q3
    13F

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 positions0
Added to2
Trimmed2
Exited2

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
9
$11.8M
2022Q2
8
$8.7M
2022Q3
7
$8K
2022Q4
9
$10.3M
2023Q1
11
$14.8M
2023Q2
8
$17.0M
2023Q3
9
$18.0M
2023Q4
8
$23.2M
2024Q1
9
$27.7M
2024Q2
10
$40.7M
2024Q3
8
$21.6M
2024Q4
8
$15.2M
2025Q1
9
$9.4M
2025Q2
9
$7.2M
2025Q3
9
$9.8M
2025Q4
6
$6.6M

Who owns IMMR

6 super-investors · 2025Q4
Tracked stake
1.01M
shares
Combined value
$7M
% of shares outstanding
shares-out unknown
Quarter action mix
Added3Trim2Held1
#ManagerSharesValue
1Izzy Englander
Millennium Mgmt
445.2K$3M
2D.E. Shaw & Co.404.8K$3M
3AQR Capital Management54.5K$371K
4Ken Griffin
Citadel Advisors
38.6K$262K
5Ken Griffin
Citadel Advisors
32.0K$218K
6T. Rowe Price35.4K$241

Recent moves

20 transactions
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