Armata Pharmaceuticals, Inc. (ARMP) Institutional Ownership

Institutions by Trading Activity

0Shares Outstanding

515,210Shares held by institutions

$4,580,217Value of institutional holdings

2.03%Institutional ownership %

6.10%Shares Changed QoQ

29No. of institutional investors

Armata Pharmaceuticals, Inc. (NYSE:ARMP) is held by 36 institutional investors per 13F filings through December 2025.

They owned 3.4% of outstanding stock in December 2025, up from 2.1% the prior quarter.
They increased total shares held in ARMP by 64.91% quarter over quarter, and investors in Armata Pharmaceuticals increased 44.0% from a year ago.
Among the 36 funds, 24 bought more Armata Pharmaceuticals shares, 1 sold down, and 11 held their ground.
The aggregate institutional position in Armata Pharmaceuticals amounted to 1.25Mn shares as of December 2025, up by 491.12K shares quarter on quarter, and down 154.24K shares year over year.
VANGUARD GROUP INC leads ownership in ARMP with 357.65K shares as of December 31, 2025, equal to 0.99% of outstanding shares.
The biggest buyers of Armata Pharmaceuticals for the quarter ending December 2025 included 683 Capital Management, LLC (139.86K), VANGUARD GROUP INC (60.61K), BlackRock, Inc. (46.1K), Goldman Sachs Group Inc (45.16K), OMERS ADMINISTRATION Corp (28.12K).
The largest sales of ARMP for the quarter ending December 2025 came from OSAIC HOLDINGS, INC. (100).
Business Quant data shows the 10 biggest positions in Armata Pharmaceuticals as of December 2025 are held by VANGUARD GROUP INC (357.65K), 683 Capital Management, LLC (139.86K), GEODE CAPITAL MANAGEMENT, LLC (109.89K), EDGEWOOD MANAGEMENT LLC (100.0K), BlackRock, Inc. (72.76K), RENAISSANCE TECHNOLOGIES LLC (68.5K), State Street Corp (50.8K), Goldman Sachs Group Inc (45.16K), BRIDGEWAY CAPITAL MANAGEMENT, LLC (44.68K), SeaCrest Wealth Management, LLC (40.99K).

515,210 Total Shares Held

Rows:

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	46,098	172.87%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	60,611	20.41%	$0.00
SeaCrest Wealth Management, LLC	31 Dec, 2025	6,034	17.26%	$0.00
683 Capital Management, LLC	31 Dec, 2025	139,860	0.00%	$0.00
Grey Ledge Advisors, LLC	31 Dec, 2025	0	0.00%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	5,342	5.11%	$0.00
Qube Research & Technologies Ltd	31 Dec, 2025	23,356	0.00%	$0.00
EDGEWOOD MANAGEMENT LLC	31 Dec, 2025	0	0.00%	$0.00
Dauntless Investment Group, LLC	31 Dec, 2025	6,131	0.00%	$0.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	27,200	65.87%	$0.00
Cornerstone National Bank & Trust Co	31 Dec, 2025	0	0.00%	$0.00
State Street Corp	31 Dec, 2025	10,500	26.05%	$0.00
UBS Group AG	31 Dec, 2025	977	2,220.45%	$0.00
Goldman Sachs Group Inc	31 Dec, 2025	45,163	0.00%	$0.00
Measured Wealth Private Client Group, LLC	31 Dec, 2025	0	0.00%	$0.00
BRIDGEWAY CAPITAL MANAGEMENT, LLC	31 Dec, 2025	0	0.00%	$0.00
Trifecta Capital Advisors, LLC	31 Dec, 2025	0	0.00%	$0.00
OMERS ADMINISTRATION Corp	31 Dec, 2025	28,125	0.00%	$0.00
OSAIC HOLDINGS, INC.	31 Dec, 2025	-100	-21.88%	$0.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	26,088	0.00%	$0.00

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