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Disclosery

ARMP ARMATA PHARMACEUTICALS INC

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COM (common), issuer CIK 921114

43 managers (45 13F filers) reported a position in ARMP shares at 2026-03-31, 3,927,411 shares in all. 10 filers opened a position and 3 filers sold out during the quarter.

Managers
43
13F filers
45
New
10
Added
11
Reduced
4
Sold out
3
Shares held by filers
3,927,411

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Madison Asset Management, LLCin group Madison Asset Management, LLC2,107,675$21.6M0.27%new13F-HRTimelineGroup
VANGUARD GROUP INCgroup of 3 filers holding437,856$4.48MnewTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC257,992$2.64M<0.01%+231,90413F-HRTimelineGroup
683 Capital Management, LLCin group 683 Capital Management, LLC137,000$1.4M0.13%-2,86013F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC114,555$1.17M<0.01%+4,66713F-HRTimelineGroup
EDGEWOOD MANAGEMENT LLC100,000$1.02M0.01%013F-HRTimeline
Dauntless Investment Group, LLC90,580$928K2.61%+84,44913F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
SEI INVESTMENTS COin group SEI INVESTMENTS CO74,192$760K<0.01%new13F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.65,050$666K<0.01%-7,71413F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…64,759$663K<0.01%+40,39913F-HRTimelineGroup
Informed Momentum Co LLC60,955$624K0.07%new13F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC60,953$624K<0.01%+15,79013F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP50,800$520K<0.01%013F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC44,682$458K0.01%013F-HRTimeline
SeaCrest Wealth Management, LLC41,524$425K0.05%+53613F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC38,496$394K<0.01%-30,00013F-HRTimeline
Grey Ledge Advisors, LLC30,000$307K0.07%013F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC27,998$287K<0.01%+10,84513F-HRTimelineGroup
Qube Research & Technologies Ltd26,628$273K<0.01%+3,27213F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP24,646$252K<0.01%013F-HRTimelineGroup
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…17,584$180K<0.01%new13F-HRTimelineGroup
CAPTRUST FINANCIAL ADVISORS13,140$135K<0.01%013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/11,714$120K<0.01%+8,19813F-HRTimelineGroup
HRT FINANCIAL LP10,595$108K<0.01%new13F-HRTimeline
CITIGROUP INCin group CITIGROUP INC5,160$52.8K<0.01%new13F-HRTimelineGroup
UBS Group AGin group UBS Group AG4,349$44.5K<0.01%+3,32813F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY3,367$34.5K<0.01%+1,09813F-HRTimelineGroup
Cornerstone National Bank & Trust Co1,428$15.1K0.01%013F-HRTimeline
Measured Wealth Private Client Group, L…1,000$10.2K<0.01%013F-HRTimeline
Trifecta Capital Advisors, LLC714$7.31K<0.01%013F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…571$5.85K<0.01%013F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.357$3.66K<0.01%013F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…277$2.84K<0.01%-1,32713F-HRTimelineGroup
Silver Grove Financial Group, Inc.200$2.05K<0.01%new13F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC154$1.58K<0.01%new13F-HRTimelineGroup
WHITTIER TRUST CO100$1.05K<0.01%013F-HRTimeline
SALEM INVESTMENT COUNSELORS INC100$1.02K<0.01%new13F-HR/ATimeline
Geneos Wealth Management Inc.92$942<0.01%013F-HRTimeline
MAI Capital Management71$728<0.01%013F-HRTimeline
Team Financial Group, LLC71$727<0.01%013F-HRTimeline
FMR LLCin group FMR LLC22$225<0.01%new13F-HRTimelineGroup
SBI Securities Co., Ltd.3$31<0.01%013F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN1$5<0.01%013F-HR/ATimelineGroup