Armata PharmaceuticalsARMP

13F holders, Q3 2025 (September 30)
28holders −1
2new positions
3sold out
1famous investor
$2.99avg. 13F price*

At the end of Q3 2025, 28 institutions reported holding Armata Pharmaceuticals Inc. (ARMP) in their 13F filings, down 1 from Q2 2025. 2 opened new positions and 3 sold out. The largest holders were Vanguard Group Inc. ($885K), Geode Capital Management, LLC ($312K) and Edgewood Management LLC ($298K). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Armata Pharmaceuticals Inc.
CUSIP
04216R102
Latest filing quarter
Q2 2026

History

Number of 13F holders

0204060 Q1 2024: 24Q1 2024Q2 2024: 23Q2 2024Q3 2024: 24Q3 2024Q4 2024: 24Q4 2024Q1 2025: 26Q1 2025Q2 2025: 29Q2 2025Q3 2025: 28Q3 2025Q4 2025: 36Q4 2025Q1 2026: 45Q1 2026Q2 2026: 53Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions2$3K
Exits3$29K

All 13F filers, Q2 2025 → Q3 2025: 41,162 shares bought and 16,657 shares sold, net +24,505 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 28 holders

Vanguard Group Inc. 0.00% Add +14.2% 297,038 $885K
Geode Capital Management, LLC 0.00% No change 104,546 $312K
Edgewood Management LLC 0.00% No change 100,000 $298K
Bridgeway Capital Management, LLC 0.00% No change 44,682 $133K
Renaissance Technologies 0.00% Add +6.2% 41,296 $123K
State Street Corp. 0.00% No change 40,300 $120K
SeaCrest Wealth Management, LLC 0.01% No change 34,954 $113K
Grey Ledge Advisors, LLC 0.02% No change 30,000 $89K
BlackRock, Inc. 0.00% Add +2.9% 26,666 $79K
Northern Trust Corp. 0.00% No change 19,273 $57K
Captrust Financial Advisors 0.00% No change 13,140 $39K
Group One Trading LLC 0.00% No change 3,000 $9K
Cornerstone National Bank & Trust Co 0.00% No change 1,428 $4K
Measured Wealth Private Client Group, LLC 0.00% New 1,000 $3K
Trifecta Capital Advisors, LLC 0.00% No change 714 $2K
Northwestern Mutual Wealth Management Co. 0.00% No change 571 $2K
Osaic Holdings, Inc. 0.00% No change 457 $1K
Tower Research Capital LLC (TRC) 0.00% Reduce -79.2% 355 $1K
Salem Investment Counselors Inc. 0.00% No change 100 $298
Team Financial Group, LLC 0.00% No change 71 $212
MAI Capital Management 0.00% No change 71 $212
UBS Group AG 0.00% Add +4300.0% 44 $131
JPMorgan Chase & Co. 0.00% No change 24 $72
Bank of America Corp. 0.00% Reduce -93.2% 7 $21
Barclays PLC 0.00% New 6 $18
SBI Securities Co., Ltd. 0.00% No change 3 $9
Morgan Stanley 0.00% Reduce -98.2% 2 $6
Wells Fargo & Company 0.00% No change 1 $1

"% of holder's portfolio" is ARMP's weight in each manager's 13F, not the share of Armata Pharmaceuticals Inc. the manager owns.