Group One Trading
ALT icon

Group One Trading’s Altimmune ALT Stock Holding History

Group One Trading’s Portfolio ALT Stock Details ALT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.68M Buy
868,900
+204,700
+31% +$869K 0.01% 1814
2025
Q4 		$2.4M Buy
664,200
+156,200
+31% +$681K ﹤0.01% 2123
2025
Q3 		$1.92M Sell
508,000
-99,100
-16% -$383K ﹤0.01% 2359
2025
Q2 		$2.35M Buy
607,100
+516,500
+570% +$2.8M 0.01% 1975
2025
Q1 		$453K Sell
90,600
-458,200
-83% -$2.9M ﹤0.01% 3197
2024
Q4 		$3.96M Buy
548,800
+86,200
+19% +$659K 0.01% 1332
2024
Q3 		$2.84M Buy
462,600
+312,000
+207% +$2.11M 0.01% 1443
2024
Q2 		$1M Sell
150,600
-45,200
-23% -$334K ﹤0.01% 1977
2024
Q1 		$1.99M Sell
195,800
-447,700
-70% -$4.55M 0.01% 1482
2023
Q4 		$7.24M Buy
643,500
+414,000
+180% +$1.73M 0.02% 885
2023
Q3 		$597K Buy
229,500
+62,300
+37% +$179K ﹤0.01% 2734
2023
Q2 		$590K Sell
167,200
-89,400
-35% -$401K ﹤0.01% 2851
2023
Q1 		$1.08M Sell
256,600
-70,400
-22% -$836K ﹤0.01% 2064
2022
Q4 		$5.38M Sell
327,000
-18,800
-5% -$211K 0.01% 1095
2022
Q3 		$4.42M Buy
345,800
+268,100
+345% +$3.96M 0.01% 1258
2022
Q2 		$909K Buy
77,700
+41,500
+115% +$256K ﹤0.01% 2849
2022
Q1 		$220K Buy
36,200
+9,100
+34% +$67K ﹤0.01% 4697
2021
Q4 		$248K Sell
27,100
-180,700
-87% -$1.92M ﹤0.01% 4871
2021
Q3 		$2.35M Buy
207,800
+137,200
+194% +$1.67M ﹤0.01% 2483
2021
Q2 		$695K Buy
70,600
+15,900
+29% +$217K ﹤0.01% 3847
2021
Q1 		$773K Sell
54,700
-15,700
-22% -$254K ﹤0.01% 3529
2020
Q4 		$794K Buy
70,400
+3,200
+5% +$37.7K ﹤0.01% 2849
2020
Q3 		$887K Sell
67,200
-415,200
-86% -$8.3M ﹤0.01% 2314
2020
Q2 		$5.17M Buy
482,400
+381,800
+380% +$2.1M 0.02% 787
2020
Q1 		$323K Buy
100,600
+91,400
+993% +$210K ﹤0.01% 2373
2019
Q4 		$17K Buy
9,200
+8,100
+736% +$15K ﹤0.01% 4411
2019
Q3 		$2K Sell
1,100
-57,100
-98% -$127K ﹤0.01% 4900
2019
Q2 		$139K Sell
58,200
-31,200
-35% -$83.5K ﹤0.01% 3105
2019
Q1 		$259K Buy
+89,400
New +$266K ﹤0.01% 2507
2018
Q4 		– Sell
-700
Closed -$3K – 4816
2018
Q3 		$3K Buy
+700
New +$7.62K ﹤0.01% 4942
2017
Q2 		– Sell
-13
Closed -$3K – 4706
2017
Q1 		$3K Buy
13
+3
+30% +$1.6K ﹤0.01% 4381
2016
Q4 		$10K Sell
10
-58
-85% -$52K ﹤0.01% 3939
2016
Q3 		$59K Sell
68
-28
-29% -$22K ﹤0.01% 3254
2016
Q2 		$70K Buy
96
+43
+81% +$29.4K ﹤0.01% 3088
2016
Q1 		$30K Sell
53
-27
-34% -$13.8K ﹤0.01% 3526
2015
Q4 		$46K Buy
+80
New +$39.9K ﹤0.01% 3452
2015
Q3 		– Sell
-2
Closed -$1K – 4824
2015
Q2 		$1K Hold
2
– – ﹤0.01% 4734
2015
Q1 		$1K Sell
2
-99
-98% -$49.3K ﹤0.01% 4626
2014
Q4 		$55K Sell
101
-174
-63% -$89.3K ﹤0.01% 3303
2014
Q3 		$147K Sell
275
-12
-4% -$6.28K ﹤0.01% 2643
2014
Q2 		$121K Buy
287
+234
+442% +$106K ﹤0.01% 2804
2014
Q1 		$29K Sell
53
-68
-56% -$39.7K ﹤0.01% 3998
2013
Q4 		$68K Sell
121
-503
-81% -$300K ﹤0.01% 3358
2013
Q3 		$393K Buy
624
+103
+20% +$59K 0.01% 1822
2013
Q2 		$249K Buy
+521
New +$258K 0.01% 1957

Other funds holding ALT

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

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.