ALTIMMUNE INC (ALT): Institutional Ownership
Hedge funds and institutional managers reporting a position in ALT · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
13
13F filers
Aggregate Value
$10.1M
Across holders
Last Price
$2.82
2026-06-26
Sector
Health Care
GICS
Holder activity4 new3 added6 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 2.48M | $7.6M | 75.5% | 0.0% | Added | +$3.7M | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 229K | $707K | 7.0% | 0.0% | Reduced | $-1.9M | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 130K | $400K | 4.0% | 0.0% | Added | +$342K | Q1 2026 |
| Grantham, Mayo, Van Otterloo & Co. LLC CIK 0001352662 | Institutional Manager | 126K | $389K | 3.9% | 0.0% | Reduced | $-142K | Q1 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 69K | $251K | 2.5% | 0.0% | New | — | Q4 2025 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 78K | $241K | 2.4% | 0.0% | Reduced | $-110K | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 60K | $217K | 2.1% | 0.0% | New | — | Q4 2025 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 49K | $150K | 1.5% | 0.0% | Added | +$113K | Q1 2026 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 13K | $47K | 0.5% | 0.0% | New | — | Q4 2025 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 13K | $46K | 0.5% | 0.0% | New | — | Q4 2025 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 8K | $23K | 0.2% | 0.0% | Reduced | $-1.8M | Q1 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 52 | $160 | 0.0% | 0.0% | Reduced | $-65K | Q1 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 2 | $6 | 0.0% | 0.0% | Reduced | $-10K | Q1 2026 |
Added
Hedge Fund
$7.6M· 75.5% of total· 0.0% port· 2.48M sh· +$3.7M QoQ· Q1 2026
Reduced
Hedge Fund
$707K· 7.0% of total· 0.0% port· 229K sh· $-1.9M QoQ· Q1 2026
Added
Hedge Fund
$400K· 4.0% of total· 0.0% port· 130K sh· +$342K QoQ· Q1 2026
Reduced
Institutional Manager
$389K· 3.9% of total· 0.0% port· 126K sh· $-142K QoQ· Q1 2026
New
Hedge Fund
$251K· 2.5% of total· 0.0% port· 69K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$241K· 2.4% of total· 0.0% port· 78K sh· $-110K QoQ· Q1 2026
New
Hedge Fund
$217K· 2.1% of total· 0.0% port· 60K sh· — QoQ· Q4 2025
Added
Hedge Fund
$150K· 1.5% of total· 0.0% port· 49K sh· +$113K QoQ· Q1 2026
New
Hedge Fund
$47K· 0.5% of total· 0.0% port· 13K sh· — QoQ· Q4 2025
New
Hedge Fund
$46K· 0.5% of total· 0.0% port· 13K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$23K· 0.2% of total· 0.0% port· 8K sh· $-1.8M QoQ· Q1 2026
Reduced
Hedge Fund
$160· 0.0% of total· 0.0% port· 52 sh· $-65K QoQ· Q1 2026
Reduced
Hedge Fund
$6· 0.0% of total· 0.0% port· 2 sh· $-10K QoQ· Q1 2026