ALTIMMUNE INC COM NEW is a security (CUSIP 02155H200) tracked across SEC portfolio filings. 192 institutional managers reported $219.6M on Form 13F as of 2026-06-30; 16 registered fund positions totaling $18.4M via N-PORT as of 2026-05-31.
Showing 15 of 192 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| BlackRock, Inc. | New York, NY | $39.4M | 12,795,277 |
| VANGUARD GROUP INC | Valley Forge, PA | $34.3M | 9,491,159 |
| STATE STREET CORP | BOSTON, MA | $22.0M | 7,145,550 |
| MARSHALL WACE, LLP | LONDON, X0 | $12.4M | 4,017,901 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $10.0M | 3,258,191 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $9.6M | 3,107,096 |
| Alyeska Investment Group, L.P. | CHICAGO, IL | $8.1M | 2,644,600 |
| TWO SIGMA INVESTMENTS, LP | New York, NY | $7.6M | 2,478,900 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $7.5M | 1,325,956 |
| Nuveen, LLC | CHARLOTTE, NC | $7.2M | 2,334,601 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $4.2M | 1,350,649 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $3.2M | 1,045,926 |
| NORTHERN TRUST CORP | CHICAGO, IL | $3.1M | 996,721 |
| CITADEL ADVISORS LLC | MIAMI, FL | $3.0M | 448,873 |
| UBS Group AG | Zurich, V8 | $2.8M | 904,768 |
Showing 15 of 16 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD STRATEGIC EQUITY FUND | VANGUARD HORIZON FUNDS | $5.7M | 5.59% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $4.4M | 0.53% |
| VANGUARD EXPLORER FUND | VANGUARD EXPLORER FUND | $3.2M | 1.45% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $2.0M | 1.17% |
| VANGUARD MARKET NEUTRAL FUND | VANGUARD MONTGOMERY FUNDS | $1.1M | 24.53% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $653K | 1.35% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $581K | 0.78% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $236K | 0.04% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $177K | 0.06% |
| BlackRock Advantage SMID Cap Fund, Inc. | BlackRock Advantage SMID Cap Fund, Inc. | $167K | 2.21% |
| GMO U.S. Equity Fund | GMO TRUST | $109K | 4.94% |
| DWS Small Cap Index VIP | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $56K | 1.33% |
| Invesco NASDAQ Future Gen 200 ETF | Invesco Exchange-Traded Fund Trust II | $54K | 28.76% |
| Weiss Strategic Interval Fund | Weiss Strategic Interval Fund | $53K | 1.04% |
| Blackstone Alternative Multi-Strategy Fund | Blackstone Alternative Investment Funds | $25K | 0.07% |