Security record · archived quarter
ALT
Altimmune, Inc. · Healthcare · Biotechnology
78Tracked holders
0Δ holders
58.31MShares held
$179.46MReported value
+8New positions
−8Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +30.0% · net new positions 0.0% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 82 | +6 | 85.94M | $261.24M | +14 | −8 |
| Q1 2026 | 78 | 0 | 58.31M | $179.46M | +8 | −8 |
| Q4 2025 | 77 | +2 | 45.71M | $165.02M | +3 | −1 |
| Q3 2025 | 15 | 0 | 25.85M | $97.47M | +1 | −1 |
| Q2 2025 | 12 | +1 | 18.03M | $69.77M | +1 | n/a |
| Q1 2025 | 8 | -2 | 8.83M | $44.16M | n/a | −2 |
| Q4 2024 | 10 | +1 | 7.53M | $54.26M | +1 | n/a |
| Q3 2024 | 8 | 0 | 3.66M | $22.46M | n/a | n/a |
| Q2 2024 | 8 | n/a | 3.17M | $21.05M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 12.80M | +31.9% | $39.41M | 0.0% | ▲ Add | 4 | SEC ↗ ×10 |
| 2 | State Street Global Advisors ✦ (passive) | 7.15M | +39.6% | $22.01M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 3 | Vanguard Capital Management Llc | 5.66M | n/a | $17.43M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Marshall Wace ✦ | 4.02M | +335.4% | $12.38M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 5 | Millennium Management ✦ | 3.26M | +1471.1% | $10.04M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 3.11M | +35.5% | $9.57M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 7 | Alyeska Investment Group, L.P. | 2.64M | New | $8.15M | 0.0% | New | 1 | SEC ↗ |
| 8 | Two Sigma Investments ✦ | 2.48M | +95.8% | $7.64M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 9 | Nuveen, LLC | 2.33M | +87.6% | $7.19M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 10 | Goldman Sachs Group ✦ | 1.35M | +0.1% | $4.16M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 11 | Susquehanna International Group, Llp | 1.33M | -3.1% | $4.08M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | Dimensional Fund Advisors Lp | 1.05M | +268.7% | $3.22M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 13 | Northern Trust Corp | 996.72K | +39.2% | $3.07M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 14 | UBS Group AG | 904.77K | +40.9% | $2.79M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 15 | Morgan Stanley ✦ | 775.26K | -43.0% | $2.39M | 0.0% | ▼ Trim | 3 | SEC ↗ ×7 |
| 16 | D. E. Shaw & Co. ✦ | 727.00K | -45.9% | $2.24M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 17 | Fidelity (FMR) ✦ | 673.96K | +19.5% | $2.08M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 18 | Point72 Asset Management ✦ | 665.29K | New | $2.05M | 0.0% | New | 1 | SEC ↗ |
| 19 | Schroder Investment Management Group | 667.84K | n/a | $1.92M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | Bank Of America Corp /De/ | 570.20K | +48.6% | $1.76M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 21 | Citadel Advisors ✦ | 448.87K | -66.5% | $1.38M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 22 | Bnp Paribas Financial Markets | 435.08K | +145.4% | $1.34M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 23 | Bank of New York Mellon Corp | 413.50K | +16.7% | $1.27M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 24 | Charles Schwab Investment… | 351.68K | +24.0% | $1.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 25 | Wellington Management ✦ | 248.16K | -3.5% | $764,326 | 0.0% | ▼ Trim | 8 | SEC ↗ ×3 |
| 26 | Baird Financial Group, Inc. | 237.52K | +98.9% | $731,568 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Invesco Ltd. | 227.86K | +6.1% | $701,799 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 28 | Barclays Plc | 192.87K | -51.9% | $594,042 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 29 | Commonwealth Equity Services, Llc | 160.37K | -11.6% | $493,950 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 30 | Rhumbline Advisers | 155.67K | +28.1% | $479,456 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 31 | Hsbc Holdings Plc | 154.37K | -41.6% | $476,216 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 32 | Stifel Financial Corp | 134.62K | +9.1% | $414,617 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | Man Group plc | 129.85K | +585.7% | $399,926 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | Grantham, Mayo, Van Otterloo & Co.… | 126.39K | -26.8% | $389,278 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 35 | Deutsche Bank Ag\ | 124.52K | +55.8% | $383,509 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 36 | JPMorgan Chase ✦ | 127.50K | +22.0% | $367,195 | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 37 | LPL Financial LLC | 103.76K | +113.4% | $319,568 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | Nomura Asset Management… | 100.00K | 0.0% | $308,000 | 0.0% | Held | 2 | SEC ↗ |
| 39 | Wells Fargo & Company/Mn | 95.91K | -32.1% | $295,394 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 40 | T. Rowe Price ✦ | 92.51K | +85.5% | $285,000 | 0.0% | ▲ Add | 8 | SEC ↗ |
| 41 | AQR Capital Management ✦ | 85.45K | +304.1% | $263,198 | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 42 | Alliancebernstein L.P. | 71.76K | 0.0% | $259,054 | 0.0% | Held | 2 | SEC ↗ |
| 43 | Citigroup Inc | 76.33K | +169.5% | $235,087 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 44 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 77.29K | +47.0% | $234,841 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 45 | Ameriprise Financial Inc | 71.97K | -2.5% | $221,660 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 46 | American Century Companies Inc | 62.91K | New | $193,760 | 0.0% | New | 1 | SEC ↗ |
| 47 | Raymond James Financial Inc | 53.80K | -3.7% | $165,692 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 48 | Canada Pension Plan Investment Board | 53.30K | +77.7% | $164,164 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | Rockefeller Capital Management L.P. | 46.37K | +7.4% | $142,819 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 50 | Creative Planning | 39.23K | -16.3% | $120,825 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 51 | Cetera Investment Advisers | 35.45K | +19.4% | $109,195 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Manufacturers Life Insurance… | 34.76K | +26.0% | $107,070 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | Mml Investors Services, Llc | 34.55K | 0.0% | $106,414 | 0.0% | Held | 2 | SEC ↗ |
| 54 | Corient Private Wealth LP | 30.55K | New | $94,103 | 0.0% | New | 1 | SEC ↗ |
| 55 | Blair William & Co/Il | 28.22K | -50.0% | $86,927 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 56 | Jones Financial Companies Lllp | 25.87K | +106.5% | $78,124 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 57 | Royal Bank Of Canada | 25.32K | -7.7% | $78,000 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 58 | ProShare Advisors LLC | 24.52K | +17.8% | $75,530 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | Simplex Trading, Llc | 22.84K | New | $70,350 | 0.0% | New | 1 | SEC ↗ |
| 60 | Prudential Financial Inc | 21.79K | New | $67,113 | 0.0% | New | 1 | SEC ↗ |
| 61 | New York State Common Retirement… | 21.45K | 0.0% | $66,057 | 0.0% | Held | 2 | SEC ↗ |
| 62 | Voya Investment Management Llc | 21.01K | +53.5% | $64,714 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Osaic Holdings, Inc. | 20.68K | +9.2% | $63,688 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 64 | Squarepoint Ops LLC | 18.13K | -48.1% | $55,828 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Russell Investments Group, Ltd. | 16.09K | +10.7% | $49,563 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 66 | Victory Capital Management Inc | 14.76K | +23.8% | $45,470 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | Legal & General Group Plc | 11.50K | +22.8% | $35,408 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | Quantinno Capital Management LP | 10.64K | New | $32,759 | 0.0% | New | 1 | SEC ↗ |
| 69 | IMC-Chicago, LLC | 10.00K | -94.2% | $30,812 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | California State Teachers… | 7.12K | +30.4% | $21,942 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Group One Trading Llc | 6.70K | -78.7% | $20,621 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | Mirae Asset Global Investments Co.… | 6.53K | +28.8% | $20,119 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | Cwm, Llc | 4.52K | +46.6% | $13,919 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 74 | UBS AM, a distinct business unit of… | 4.15K | +518.1% | $12,794 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 75 | Optiver Holding B.V. | 3.86K | New | $11,883 | 0.0% | New | 1 | SEC ↗ |
| 76 | Pnc Financial Services Group, Inc. | 1.55K | -35.7% | $4,780 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 77 | Us Bancorp \De\ | 890 | +59.2% | $2,741 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 78 | Northwestern Mutual Wealth… | 100 | 0.0% | $308 | 0.0% | Held | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Alyeska Investment Group, L.P. | $8.15M | 0.0% |
| Point72 Asset Management | $2.05M | 0.0% |
| American Century Companies Inc | $193,760 | 0.0% |
| Corient Private Wealth LP | $94,103 | 0.0% |
| Simplex Trading, Llc | $70,350 | 0.0% |
| Prudential Financial Inc | $67,113 | 0.0% |
| Quantinno Capital Management… | $32,759 | 0.0% |
| Optiver Holding B.V. | $11,883 | 0.0% |
Exited
| Jane Street Group, Llc | $6.44M | was 0.0% |
| LMR Partners LLP | $221,293 | was 0.0% |
| Balyasny Asset Management L.P. | $216,993 | was 0.0% |
| Gotham Asset Management | $45,735 | was 0.0% |
| TD Waterhouse Canada Inc. | $12,600 | was 0.0% |
| Zurcher Kantonalbank (Zurich… | $4,061 | was 0.0% |
| Daiwa Securities Group Inc. | $1,000 | was 0.0% |
| Fifth Third Bancorp | $903 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 170 holders, 69.15M shares, $212.24M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
Aug 13
Durso Jerome Benedict
Officer, Director · President and CEO · 15.00K sh @ 2.95 · $44,250
Open-market sales (S)
No open-market insider sales in our coverage window.
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
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