Vanguard Group’s Armata Pharmaceuticals ARMP Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
$2.25M Buy
357,649
+60,611
+20% +$332K ﹤0.01% 3524
2025
Q3
$885K Buy
297,038
+36,965
+14% +$95.6K ﹤0.01% 3818
2025
Q2
$494K Hold
260,073
﹤0.01% 3921
2025
Q1
$380K Buy
260,073
+25,954
+11% +$51.7K ﹤0.01% 3940
2024
Q4
$433K Buy
234,119
+8,832
+4% +$19.9K ﹤0.01% 3977
2024
Q3
$534K Buy
225,287
+19,534
+9% +$49.9K ﹤0.01% 3959
2024
Q2
$566K Buy
205,753
+46,544
+29% +$133K ﹤0.01% 3962
2024
Q1
$665K Buy
159,209
+14,131
+10% +$51.2K ﹤0.01% 3943
2023
Q4
$470K Buy
145,078
+54,109
+59% +$128K ﹤0.01% 4048
2023
Q3
$273K Buy
90,969
+31,079
+52% +$83.3K ﹤0.01% 4200
2023
Q2
$68.3K Buy
59,890
+2,708
+5% +$3.94K ﹤0.01% 4425
2023
Q1
$95.5K Buy
57,182
+13,387
+31% +$31.1K ﹤0.01% 4411
2022
Q4
$54.3K Sell
43,795
-243,555
-85% -$634K ﹤0.01% 4438
2022
Q3
$1.21M Buy
287,350
+14,200
+5% +$57.2K ﹤0.01% 3940
2022
Q2
$1.06M Hold
273,150
﹤0.01% 4067
2022
Q1
$1.33M Buy
273,150
+10,400
+4% +$53.3K ﹤0.01% 4120
2021
Q4
$1.44M Buy
262,750
+94,092
+56% +$393K ﹤0.01% 4153
2021
Q3
$610K Buy
168,658
+1,280
+0.8% +$4.87K ﹤0.01% 4351
2021
Q2
$665K Buy
167,378
+91,782
+121% +$386K ﹤0.01% 4220
2021
Q1
$362K Buy
75,596
+60,446
+399% +$297K ﹤0.01% 4180
2020
Q4
$45K Hold
15,150
﹤0.01% 4186
2020
Q3
$48K Hold
15,150
﹤0.01% 4067
2020
Q2
$59K Hold
15,150
﹤0.01% 4024
2020
Q1
$47K Hold
15,150
﹤0.01% 4003
2019
Q4
$49K Hold
15,150
﹤0.01% 4046
2019
Q3
$56K Sell
15,150
-1
-0% -$4 ﹤0.01% 4074
2019
Q2
$61K Hold
15,151
﹤0.01% 4091
2019
Q1
$64K Hold
15,151
﹤0.01% 4045
2018
Q4
$44K Sell
15,151
-3,236
-18% -$15.8K ﹤0.01% 4080
2018
Q3
$260K Buy
18,387
+3,236
+21% +$47.2K ﹤0.01% 3967
2018
Q2
$240K Buy
15,151
+8,126
+116% +$132K ﹤0.01% 3950
2018
Q1
$107K Hold
7,025
﹤0.01% 4024
2017
Q4
$99K Buy
7,025
+4,925
+235% +$72.7K ﹤0.01% 3994
2017
Q3
$27K Buy
+2,100
New +$26.9K ﹤0.01% 4049
2017
Q2
Sell
-1,464
Closed -$88K 4075
2017
Q1
$88K Buy
1,464
+325
+29% +$22.1K ﹤0.01% 3994
2016
Q4
$70K Buy
1,139
+465
+69% +$57.8K ﹤0.01% 4003
2016
Q3
$141K Buy
674
+178
+36% +$41K ﹤0.01% 3949
2016
Q2
$107K Hold
496
﹤0.01% 4018
2016
Q1
$275K Buy
496
+6
+1% +$3.08K ﹤0.01% 3900
2015
Q4
$274K Buy
+490
New +$375K ﹤0.01% 3961

Other funds holding ARMP

Vanguard Group's ARMP Position: Q4 2025 in Review

Vanguard Group increased its Armata Pharmaceuticals (ARMP) stake by 20% in Q4 2025, buying an estimated $332K and bringing the position to 357,649 shares worth $2.25M. The position accounts for ﹤0.01% of the portfolio, ranked #3524.

Vanguard Group first reported a position in ARMP in Q4 2015 and has held it in 40 quarters since. 36 funds tracked by Wall St. Rank hold ARMP as of Q4 2025.

  • Vanguard Group held 357,649 shares of Armata Pharmaceuticals worth $2.25M as of Q4 2025.
  • Vanguard Group bought 60,611 Armata Pharmaceuticals shares in Q4 2025, an estimated $332K.
  • Armata Pharmaceuticals made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #3524 holding.
  • Vanguard Group first reported a position in Armata Pharmaceuticals in Q4 2015 and has held it in 40 quarters since.
  • 36 funds tracked by Wall St. Rank held Armata Pharmaceuticals as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.