Vault-13

ARMATA PHARMACEUTICALS INC ARMP

COM · Common Stock · CUSIP 04216R102

Company in Los Angeles, United States

53 institutional holders +8 vs Q1 2026
4,982,6245.0m shares reported held*
13.4% of all shares outstanding*
$32.3mreported value*
19 new 17 added 3 reduced 11 sold out net bought ≈ $6.8m (+1.1m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 37.2m as of 2026-08-06, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $6.48. Options: 0 managers hold calls (— notional), 1 hold puts ($10.4k).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0204060Q3 22: 21Q4 22: 27Q1 23: 24Q2 23: 23Q3 23: 24Q4 23: 26Q1 24: 25Q2 24: 24Q3 24: 25Q4 24: 25Q1 25: 27Q2 25: 30Q3 25: 28Q4 25: 36Q1 26: 45Q2 26: 5353Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 202221
Q4 202227
Q1 202324
Q2 202323
Q3 202324
Q4 202326
Q1 202425
Q2 202424
Q3 202425
Q4 202425
Q1 202527
Q2 202530
Q3 202528
Q4 202536
Q1 202645
Q2 202653

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
40040Q3 24: 8 bought or addedQ3 24: 8 cut or sold outQ4 24: 5 bought or addedQ4 24: 9 cut or sold outQ4 24Q1 25: 4 bought or addedQ1 25: 9 cut or sold outQ2 25: 10 bought or addedQ2 25: 6 cut or sold outQ2 25Q3 25: 7 bought or addedQ3 25: 6 cut or sold outQ4 25: 22 bought or addedQ4 25: 5 cut or sold outQ4 25Q1 26: 21 bought or addedQ1 26: 7 cut or sold outQ2 26: 36 bought or addedQ2 26: 14 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 202488
Q4 202459
Q1 202549
Q2 2025106
Q3 202576
Q4 2025225
Q1 2026217
Q2 20263614

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$5k$10k$15kQ3 25 calls: $0Q3 25 puts: $0Q3 25P/C —Q4 25 calls: $0Q4 25 puts: $0Q4 25P/C —Q1 26 calls: $0Q1 26 puts: $0Q1 26P/C —Q2 26 calls: $0Q2 26 puts: $10.4kQ2 26P/C —
Numbers
QuarterCallsPutsP/C
Q3 2025$0$0—
Q4 2025$0$0—
Q1 2026$0$0—
Q2 2026$0$10.4k—

Biggest buyers

BlackRock, Inc. Added +494,936+494.9k
MILLENNIUM MANAGEMENT LLC Added +212,508+212.5k
GEODE CAPITAL MANAGEMENT, LLC Added +155,995+156.0k
VANGUARD CAPITAL MANAGEMENT LLC Added +121,940+121.9k
Dauntless Investment Group, LLC Added +113,311+113.3k
VANGUARD PORTFOLIO MANAGEMENT LLC New +81,354+81.4k
STATE STREET CORP Added +78,800+78.8k
NORTHERN TRUST CORP Added +65,145+65.1k
Bank of New York Mellon Corp New +29,749+29.7k
CHARLES SCHWAB INVESTMENT MANAGEMENT INC New +28,857+28.9k

Biggest sellers

683 Capital Management, LLC Sold out -137,000-137.0k
SEI INVESTMENTS CO Sold out -74,192-74.2k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Sold out -64,759-64.8k
Informed Momentum Co LLC Sold out -60,955-61.0k
GOLDMAN SACHS GROUP INC Sold out -60,953-61.0k
JANE STREET GROUP, LLC Sold out -27,998-28.0k
Qube Research & Technologies Ltd Sold out -26,628-26.6k
EDGEWOOD MANAGEMENT LLC Reduced -20,000-20.0k
HRT FINANCIAL LP Sold out -10,595-10.6k
Madison Asset Management, LLC Reduced -500-500

Biggest calls

None

Biggest puts

SIMPLEX TRADING, LLC New $10.4k1.6k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Innoviva, Inc. 13D · may seek influence -0.4 pts · filed 2026-05-13
Stated purposeItem 4 in Schedule 13D is hereby supplemented as follows: On May 12, 2026, the Issuer entered into, as borrower, a credit and security agreement (the "May 2026 Credit Agreement") with Innoviva Sub, as lender, pursuant to which the Issuer borrowed from Innoviva Sub $25,000,000. On the date of this Amendment No. 15, the Reporting Persons collectively own 25,076,769 shares of Common Stock of the Issuer, warrants to acquire an additional 10,653,847 shares of Common Stock of the Issuer, and the right to acquire an additional 19,736,843 shares of Common Stock of the Issuer upon conversion of the convertible loan (excluding any accrued interest). Full filing
82.7% -0.4 pts 55.5m≈ $219.2m 2026-05-13

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Madison Asset Management, LLC 0.16% of their portfolio MADISON, WI 2,107,1752.1m $13.7m $13.7m 0.16% Reduced -500 -500
2 BlackRock, Inc. 0.00% of their portfolio New York, NY 559,986560.0k $3.6m $3.6m 0.00% Added +494.9k +494,936
3 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 487,968488.0k $3.2m $3.2m 0.00% Added +121.9k +121,940
4 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 470,500470.5k $3.0m $3.0m 0.00% Added +212.5k +212,508
5 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 270,550270.6k $1.8m $1.8m 0.00% Added +156.0k +155,995
6 Dauntless Investment Group, LLC 2.29% of their portfolio Milford, MI 203,891203.9k $1.3m $1.3m 2.29% Added +113.3k +113,311
7 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 129,600129.6k $839.8k $839.8k 0.00% Added +78.8k +78,800
8 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 89,79189.8k $581.8k $581.8k 0.00% Added +65.1k +65,145
9 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 81,35481.4k $527.2k $527.2k 0.00% New
10 EDGEWOOD MANAGEMENT LLC 0.01% of their portfolio GREENWICH, CT 80,00080.0k $518.4k $518.4k 0.01% Reduced -20.0k -20,000
11 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 79,49579.5k $515.1k $515.1k 0.00% Added +11.6k +11,631
12 Grey Ledge Advisors, LLC 0.07% of their portfolio GUILFORD, CT 50,00050.0k $324.0k $324.0k 0.07% Added +20.0k +20,000
13 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 48,31848.3k $313.1k $313.1k 0.00% Added +9.8k +9,822
14 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio HOUSTON, TX 44,68244.7k $289.5k $289.5k 0.01% Unchanged
15 SeaCrest Wealth Management, LLC 0.03% of their portfolio PURCHASE, NY 41,52441.5k $269.1k $269.1k 0.03% Unchanged
16 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 29,74929.7k $192.8k $192.8k 0.00% New
17 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 28,85728.9k $187.0k $187.0k 0.00% New
18 Hudson Bay Capital Management LP 0.00% of their portfolio STAMFORD, CT 17,58417.6k $113.9k $113.9k 0.00% Unchanged
19 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 15,90515.9k $103.1k $103.1k 0.00% New
20 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 15,40015.4k $99.8k $99.8k 0.00% New
21 UBS Group AG 0.00% of their portfolio ZURICH, V8 13,69713.7k $88.8k $88.8k 0.00% Added +9.3k +9,348
22 CAPTRUST FINANCIAL ADVISORS 0.00% of their portfolio RALEIGH, NC 13,14013.1k $85.1k $85.1k 0.00% Unchanged
23 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 11,96612.0k $77.5k $77.5k 0.00% New
24 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 11,30511.3k $73.3k $73.3k 0.00% Reduced -409 -409
25 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 10,82610.8k $70.2k $70.2k 0.00% New
26 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 10,81910.8k $70.1k $70.1k 0.00% Added +10.8k +10,818
27 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 8,4538.5k $54.8k $54.8k 0.00% New
28 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 6,0956.1k $39.5k $39.5k 0.00% New
29 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 5,6035.6k $36.3k $36.3k 0.00% Added +443 +443
30 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 5,4615.5k $35.4k $35.4k 0.00% New
31 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 4,9164.9k $31.8k $31.8k 0.00% New
32 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 4,5834.6k $29.7k $29.7k 0.00% Added +1.2k +1,216
33 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 3,9644.0k $25.7k $25.7k 0.00% Unchanged
34 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 3,0383.0k $19.7k $19.7k 0.00% New
35 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 2,9843.0k $19.3k $19.3k 0.00% Added +2.8k +2,830
36 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 2,3002.3k $14.9k $14.9k 0.00% New
37 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 2,0342.0k $13.2k $13.2k 0.00% Added +1.8k +1,757
38 Cornerstone National Bank & Trust Co 0.00% of their portfolio PALATINE, IL 1,4281.4k $8.4k $8.4k 0.00% Unchanged
39 Legal & General Group Plc 0.00% of their portfolio London, X0 1,1611.2k $7.5k $7.5k 0.00% New
40 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 1,0761.1k $7.0k $7.0k 0.00% New
41 Measured Wealth Private Client Group, LLC 0.00% of their portfolio PORTSMOUTH, NH 1,0001.0k $6.5k $6.5k 0.00% Unchanged
42 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 969969 $6.3k $6.3k 0.00% New
43 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 794794 $5.1k $5.1k 0.00% New
44 Trifecta Capital Advisors, LLC 0.00% of their portfolio NORTHBROOK, IL 714714 $4.6k $4.6k 0.00% Unchanged
45 NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio MILWAUKEE, WI 571571 $3.7k $3.7k 0.00% Unchanged
46 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 497497 $3.0k $3.0k 0.00% New
47 FMR LLC 0.00% of their portfolio BOSTON, MA 364364 $2.4k $2.4k 0.00% Added +342 +342
48 Silver Grove Financial Group, Inc. 0.00% of their portfolio ORCHARD PARK, NY 200200 $1.3k $1.3k 0.00% Unchanged
49 SALEM INVESTMENT COUNSELORS INC 0.00% of their portfolio WINSTON-SALEM, NC 100100 $648 $648 0.00% Unchanged
50 WHITTIER TRUST CO 0.00% of their portfolio SOUTH PASADENA, CA 100100 $544 $544 0.00% Unchanged
51 Geneos Wealth Management Inc. 0.00% of their portfolio ENGLEWOOD, CO 9292 $596 $596 0.00% Unchanged
52 Sterling Capital Management LLC 0.00% of their portfolio CHARLOTTE, NC 4242 $272 $272 0.00% New
53 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 33 $19 $19 0.00% Unchanged