Ticker · CUSIP 04216R102

ARMP

ARMATA PHARMACEUTICALS INC
···Share
Holders (tracked)
3
Combined shares
105,370
Combined value
$661.7K
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
342024Q12025Q4

SEC event timeline

4 events
  1. Ken Griffin (Citadel Advisors) opened position2026-02-17
    +10,786 shares · 2025Q4
    13F
  2. Izzy Englander (Millennium Mgmt) opened position2026-02-17
    +26,088 shares · 2025Q4
    13F
  3. Renaissance Technologies added2026-02-12
    +27,200 shares · 2025Q4
    13F
  4. Renaissance Technologies added2025-11-13
    +2,400 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.
View full insider history for ARMP →

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions2
Added to1
Trimmed0
—
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
2
$520K
2022Q2
2
$395K
2022Q3
2
$396
2022Q4
4
$46K
2023Q1
3
$42K
2023Q2
2
$28K
2023Q3
2
$69K
2023Q4
2
$74K
2024Q1
4
$176K
2024Q2
5
$260K
2024Q3
4
$146K
2024Q4
1
$75K
2025Q1
4
$88K
2025Q2
1
$74K
2025Q3
1
$123K
2025Q4
3
$662K

Who owns ARMP

3 super-investors · 2025Q4
Tracked stake
105.4K
shares
Combined value
$662K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added1
#ManagerSharesValue
1Renaissance Technologies68.5K$430K
2Izzy Englander
Millennium Mgmt
26.1K$164K
3Ken Griffin
Citadel Advisors
10.8K$68K

Recent moves

20 transactions
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