Group One Trading’s Altimmune ALT Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$342K Sell
111,200
-312,500
-74% -$1.33M ﹤0.01% 3687
2025
Q4
$1.53M Buy
423,700
+195,100
+85% +$851K ﹤0.01% 2504
2025
Q3
$862K Sell
228,600
-423,700
-65% -$1.64M ﹤0.01% 3180
2025
Q2
$2.52M Buy
652,300
+598,100
+1,104% +$3.24M 0.01% 1909
2025
Q1
$271K Sell
54,200
-101,900
-65% -$645K ﹤0.01% 3711
2024
Q4
$1.13M Buy
156,100
+59,800
+62% +$457K ﹤0.01% 2472
2024
Q3
$591K Buy
96,300
+12,900
+15% +$87.4K ﹤0.01% 2735
2024
Q2
$555K Buy
83,400
+13,400
+19% +$98.9K ﹤0.01% 2471
2024
Q1
$713K Sell
70,000
-326,900
-82% -$3.32M ﹤0.01% 2405
2023
Q4
$4.47M Buy
396,900
+340,300
+601% +$1.42M 0.01% 1228
2023
Q3
$147K Buy
56,600
+21,000
+59% +$60.2K ﹤0.01% 4077
2023
Q2
$126K Sell
35,600
-55,400
-61% -$249K ﹤0.01% 4391
2023
Q1
$384K Buy
91,000
+52,500
+136% +$624K ﹤0.01% 3015
2022
Q4
$633K Sell
38,500
-269,100
-87% -$3.02M ﹤0.01% 2820
2022
Q3
$3.93M Buy
307,600
+277,000
+905% +$4.09M 0.01% 1357
2022
Q2
$358K Buy
30,600
+1,800
+6% +$11.1K ﹤0.01% 3731
2022
Q1
$175K Buy
28,800
+400
+1% +$2.95K ﹤0.01% 4937
2021
Q4
$260K Sell
28,400
-14,700
-34% -$156K ﹤0.01% 4806
2021
Q3
$487K Hold
43,100
﹤0.01% 4211
2021
Q2
$425K Buy
43,100
+4,900
+13% +$67K ﹤0.01% 4395
2021
Q1
$540K Sell
38,200
-68,300
-64% -$1.1M ﹤0.01% 3951
2020
Q4
$1.2M Buy
106,500
+73,600
+224% +$867K ﹤0.01% 2493
2020
Q3
$434K Buy
32,900
+21,800
+196% +$436K ﹤0.01% 2969
2020
Q2
$119K Buy
+11,100
New +$61K ﹤0.01% 3768
2018
Q4
Sell
-10,000
Closed -$44K 4817
2018
Q3
$44K Buy
+10,000
New +$109K ﹤0.01% 4035
2016
Q4
Sell
-146
Closed -$127K 4390
2016
Q3
$127K Buy
146
+66
+83% +$51.8K ﹤0.01% 2784
2016
Q2
$59K Buy
+80
New +$54.7K ﹤0.01% 3203
2015
Q4
Sell
-11
Closed -$4K 4699
2015
Q3
$4K Hold
11
﹤0.01% 4531
2015
Q2
$6K Buy
11
+4
+57% +$2.02K ﹤0.01% 4431
2015
Q1
$3K Sell
7
-46
-87% -$22.9K ﹤0.01% 4474
2014
Q4
$29K Sell
53
-20
-27% -$10.3K ﹤0.01% 3744
2014
Q3
$39K Sell
73
-10
-12% -$5.23K ﹤0.01% 3700
2014
Q2
$35K Buy
83
+35
+73% +$15.8K ﹤0.01% 3779
2014
Q1
$26K Buy
48
+47
+4,700% +$27.5K ﹤0.01% 4080
2013
Q4
$1K Sell
1
-18
-95% -$10.7K ﹤0.01% 5122
2013
Q3
$12K Sell
19
-147
-89% -$84.2K ﹤0.01% 4412
2013
Q2
$79K Buy
+166
New +$82.3K ﹤0.01% 3030

Other funds holding ALT

Group One Trading's ALT Position: Q1 2026 in Review

Group One Trading reduced its Altimmune (ALT) stake by 79% in Q1 2026, selling an estimated $105K and leaving 6,695 shares worth $20.6K. The position accounts for ﹤0.01% of the portfolio, ranked #5951.

Group One Trading first reported a position in ALT in Q2 2013 and has held it in 38 quarters since. The position peaked at $6.16M in Q4 2023. 173 funds tracked by Wall St. Rank hold ALT as of Q1 2026.

  • Group One Trading held 6,695 shares of Altimmune worth $20.6K as of Q1 2026.
  • Group One Trading sold 24,677 Altimmune shares in Q1 2026, an estimated $105K.
  • Altimmune made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #5951 holding.
  • Group One Trading first reported a position in Altimmune in Q2 2013 and has held it in 38 quarters since.
  • Group One Trading's Altimmune position peaked at $6.16M in Q4 2023.
  • 173 funds tracked by Wall St. Rank held Altimmune as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.