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Armata Pharmaceuticals Inc (ARMP)

CUSIP: 04216R102 | NYSE | Healthcare · Biotechnology | Small Cap | 98 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13D/AInnoviva, Inc.
with Innoviva Strategic Opportunities LLC
55,467,45982.7%UnchangedMay 12, 2026No 13F filer matched
13D/AInnoviva Strategic Opportunities LLC46,756,65970.1%New 5%+ stakeJan 23, 2026No 13F filer matched
13D/AInnoviva, Inc.55,467,459
82.7% of class · May 12, 2026Unchanged
with Innoviva Strategic Opportunities LLC
No 13F filer matched
13D/AInnoviva Strategic Opportunities LLC46,756,659
70.1% of class · Jan 23, 2026New 5%+ stake
No 13F filer matched

Institutional Holders — Q3 2026

Grey Ledge Advisors, LLC100,000
0.1% of portfolio›$367.0K
SeaCrest Wealth Management, LLC41,899
0.0% of portfolio›$153.8K
Bank of New York Mellon Corp30,559
0.0% of portfolio›$112.2K
Nisa Investment Advisors, LLC13,650
0.0% of portfolio›$50.1K
Cornerstone National Bank & Trust Co1,428
0.0% of portfolio›$4.7K
Trifecta Capital Advisors, LLC714
0.0% of portfolio›$2.6K
Farther Finance Advisors, LLC597
0.0% of portfolio›$2.2K
Citigroup Inc589
0.0% of portfolio›$2.2K
Gamma Investing LLC550
0.0% of portfolio›$2.0K
Sterling Capital Management LLC389
0.0% of portfolio›$1.4K
Caitong International Asset Management Co., Ltd219
0.0% of portfolio›$804
Silver Grove Financial Group, Inc.200
0.0% of portfolio›$734
Simplex Trading, LLC183
0.0% of portfolio›$671
North Star Investment Management Corp.99
0.0% of portfolio›$363
Team Financial Group, LLC71
0.0% of portfolio›$261
EverSource Wealth Advisors, LLC13
0.0% of portfolio›$48
SBI Securities Co., Ltd.3
0.0% of portfolio›$11
IFP Advisors, Inc1
0.0% of portfolio›$4
StyleTurnoverLocationFiled
Grey Ledge Advisors, LLC
100,000$367.0K0.1%CoreLowGuilford, CT2026-11-02
SeaCrest Wealth Management, LLC
41,899$153.8K0.0%GrowthLowPurchase, NY2026-10-21
Bank of New York Mellon Corp
30,559$112.2K0.0%CoreLowNew York, NY2026-11-05
Nisa Investment Advisors, LLC
13,650$50.1K0.0%IndexVery LowSt. Louis, MO2026-10-20
Cornerstone National Bank & Trust Co
1,428$4.7K0.0%ETFMediumPalatine, IL2026-10-20
Trifecta Capital Advisors, LLC
714$2.6K0.0%Agg GrowthVery LowNorthbrook, IL2026-10-21
Farther Finance Advisors, LLC
597$2.2K0.0%IndexLowSan Francisco, CA2026-10-08
Citigroup Inc
589$2.2K0.0%CoreMediumNew York, NY2026-11-04
Gamma Investing LLC
550$2.0K0.0%IndexVery LowFoster City, CA2026-10-08
Sterling Capital Management LLC
389$1.4K0.0%GARPMediumCharlotte, NC2026-10-22
Caitong International Asset Management Co., Ltd
219$8040.0%GrowthVery HighHong Kong, South Korea2026-10-29
Silver Grove Financial Group, Inc.
200$7340.0%CoreMediumOrchard Park, NY2026-11-05
Simplex Trading, LLC
183$6710.0%CoreVery HighChicago, IL2026-11-04
North Star Investment Management Corp.
99$3630.0%CoreLowChicago, IL2026-10-27
Team Financial Group, LLC
71$2610.0%ETFLowTemecula, CA2026-10-30
EverSource Wealth Advisors, LLC
13$480.0%CoreMediumBirmingham, AL2026-11-04
SBI Securities Co., Ltd.
3$110.0%Agg GrowthLowTokyo, Mexico2026-10-22
IFP Advisors, Inc
1$40.0%GrowthLowTampa, FL2026-10-16