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ALTALT
20 quarters

Position history for MWMARSHALL WACE, LLP's holdings in ALTIMMUNE INC

Yes. Marshall Wace holds 6,841,055 shares of ALT (Altimmune), worth $20.8M, as of its Q2 2026 13F filing. It increased the position by 2,823,154 shares (+70.3%) from Q1 2026. Marshall Wace has held ALT since Q4 2025, across 3 quarterly 13F filings.

Current Value

$20.8M

Current Shares

6.8M

Total Value Change

+$20.4M

Total Shares Change

+6.8M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Increased
6.8M
+70.3%
$20.8M0.0%$3.04
42
2026-Q1
Increased
4M
+335.4%
$12.4M0.0%$3.08
45
2025-Q4
New
922,777
-
$3.3M0.0%$3.61
37
2025-Q3
Exited
0
-100.0%
$00.0%$3.77
0
2025-Q2
Decreased
22,100
-98.1%
$85,5270.0%$3.87
0
2025-Q1
Increased
1.2M
+1683.3%
$5.8M0.0%$5.00
44
2024-Q4
New
65,517
-
$472,3780.0%$7.21
33
2024-Q1
Exited
0
-100.0%
$00.0%$10.18
0
2023-Q4
Decreased
86,132
-95.2%
$968,9850.0%$11.25
0
2023-Q3
Decreased
1.8M
-12.7%
$4.7M0.0%$2.60
0
2023-Q2
Increased
2.1M
+28.9%
$7.3M0.0%$3.53
34
2023-Q1
Increased
1.6M
+28.8%
$6.7M0.0%$4.22
34
2022-Q4
Increased
1.2M
+12.8%
$20.4M0.0%$16.45
32
2022-Q3
Increased
1.1M
+306.5%
$14M0.0%$12.77
45
2022-Q2
New
270,330
-
$3.2M0.0%$11.70
37
2021-Q4
Exited
0
-100.0%
$00.0%$9.16
0
2021-Q3
Decreased
478,923
-48.4%
$5.4M0.0%$11.31
0
2021-Q2
New
928,716
-
$9.1M0.0%$9.85
38
2021-Q1
Exited
0
-100.0%
$00.0%$14.13
0
2020-Q4
New
31,049
-
$350,0000.0%$11.28
33

Other major holders of ALT: STATE STREET CORP, Janus Henderson Group Ltd., BlackRock, Inc., Nuveen Asset Management, LLC

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