Novavax, Inc. (NVAX) Ownership
NVAX ownership summary
as of October 18, 2026- Institutions
- 67.6% of shares outstanding
- Insiders
- 5.05% of shares outstanding
- Shares outstanding
- 164.9M
- Float
- 144.6M shares available to trade
- Short interest
- 28.10% 46.0M shares short
- Days to cover
- 8.08 short interest down 7.7% vs prior month
- Institutions 67.55%
- Insiders 5.05%
- Other investors 27.40%
NVAX top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 8.46% | 13.9M | $157.0M | +1.1M (+8.6%) | June 30, 2026 |
| 2 | Shah Capital Management | 7.38% | 12.2M | $137.1M | −2.0M (−14.1%) | September 30, 2026 |
| 3 | State Street Corp | 7.12% | 11.7M | $132.2M | +2.8M (+30.9%) | June 30, 2026 |
| 4 | Vanguard Portfolio Management, LLC | 4.61% | 7.6M | $85.7M | +456,371 (+6.4%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 4.40% | 7.3M | $81.7M | +127,302 (+1.8%) | June 30, 2026 |
| 6 | Sanofi | 4.17% | 6.9M | $77.5M | — | June 30, 2026 |
| 7 | D. E. Shaw & Co LP | 3.43% | 5.7M | $63.6M | −2.1M (−26.7%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 2.55% | 4.2M | $47.4M | +308,957 (+7.9%) | June 30, 2026 |
| 9 | Two Sigma Investments LLC | 2.48% | 4.1M | $46.1M | +3.5M (+565.4%) | June 30, 2026 |
| 10 | Coatue Management LLC | 2.33% | 3.8M | $43.2M | — | June 30, 2026 |
| 11 | Bank of America Corp | 2.07% | 3.4M | $38.5M | −3.2M (−48.5%) | June 30, 2026 |
| 12 | The Goldman Sachs Group Inc | 1.82% | 3.0M | $33.9M | +1.6M (+113.4%) | June 30, 2026 |
| 13 | UBS Group AG | 1.13% | 1.9M | $21.1M | −2.6M (−58.2%) | June 30, 2026 |
| 14 | Millennium Management LLC | 1.07% | 1.8M | $19.9M | −2.1M (−54.1%) | June 30, 2026 |
| 15 | Citadel Advisors Llc | 1.03% | 1.7M | $19.1M | +571,567 (+50.9%) | June 30, 2026 |
| 16 | Allianz Asset Management AG | 0.96% | 1.6M | $17.8M | −280,654 (−15.1%) | June 30, 2026 |
| 17 | Northern Trust Corp | 0.88% | 1.4M | $16.3M | −61,218 (−4.1%) | June 30, 2026 |
| 18 | TSP Capital Management Group/LLC | 0.87% | 1.4M | $16.1M | +13,000 (+0.9%) | September 30, 2026 |
| 19 | Charles Schwab Investment Management Inc | 0.82% | 1.3M | $15.2M | −26,898 (−2.0%) | June 30, 2026 |
| 20 | Vanguard Fiduciary Trust Co | 0.66% | 1.1M | $12.2M | −22,086 (−2.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 9 holders added 10.4M shares and 9 cut 12.4M.
NVAX top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 3.15% | 5.2M | $58.5M | — | August 31, 2026 |
| 2 | State Street® SPDR® S&P® Biotech ETF | 2.81% | 4.6M | $52.2M | −88,550 (−1.9%) | September 30, 2026 |
| 3 | iShares Russell 2000 ETF | 2.41% | 4.0M | $44.7M | −45,760 (−1.1%) | September 30, 2026 |
| 4 | Vanguard Small Cap Index | 2.25% | 3.7M | $41.8M | −68,451 (−1.8%) | September 30, 2026 |
| 5 | Vanguard MStar Small Cap Growth Indx Inv | 1.25% | 2.1M | $23.3M | −98,577 (−4.6%) | September 30, 2026 |
| 6 | Fidelity Small Cap Index | 1.01% | 1.7M | $18.8M | +14,196 (+0.9%) | July 31, 2026 |
| 7 | iShares Russell 2000 Value ETF | 0.87% | 1.4M | $16.2M | +2,178 (+0.2%) | September 30, 2026 |
| 8 | Invesco Biotechnology & Genome ETF | 0.75% | 1.2M | $14.0M | — | September 30, 2026 |
| 9 | iShares Biotechnology ETF | 0.74% | 1.2M | $13.8M | −9,264 (−0.8%) | September 30, 2026 |
| 10 | PIMCO RAE US Small Instl | 0.62% | 1.0M | $11.4M | −282,186 (−21.7%) | June 30, 2026 |
| 11 | Jupiter Merian Glb Eq Abs Rt I USD Acc | 0.55% | 915K | $10.3M | +915,157 (0.0%) | June 30, 2026 |
| 12 | Vanguard Russell 2000 ETF | 0.54% | 886K | $10.0M | +9,651 (+1.1%) | September 30, 2026 |
| 13 | Schwab US Small-Cap ETF™ | 0.53% | 870K | $9.8M | +585 (+0.1%) | September 30, 2026 |
| 14 | Fidelity Extended Market Index | 0.49% | 814K | $9.2M | −4,066 (−0.5%) | August 31, 2026 |
| 15 | Fidelity Enhanced Small Cap Core ETF | 0.46% | 764K | $8.6M | +1,599 (+0.2%) | September 30, 2026 |
| 16 | Federated Hermes MDT Small Cap Core IS | 0.38% | 619K | $7.0M | +619,015 (0.0%) | June 30, 2026 |
| 17 | Vanguard Health Care ETF | 0.26% | 428K | $4.8M | +465 (+0.1%) | September 30, 2026 |
| 18 | iShares Genomics Immnlgy & Hlthcr ETF | 0.25% | 417K | $4.7M | +11,512 (+2.8%) | September 30, 2026 |
| 19 | Schwab Small Cap Index | 0.23% | 374K | $4.2M | +4,912 (+1.3%) | August 31, 2026 |
| 20 | Fidelity Total Market Index | 0.19% | 314K | $3.5M | +7,027 (+2.3%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
NVAX insider transactions
latest 6| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2024-12-31 | James F Young | Sell | $8.00 | 5,400 | $43,200 |
| 2024-12-24 | James F Young | Sell | $8.48 | 4,600 | $39,008 |
| 2024-12-13 | Rachel K King | Sell | $9.02 | 4,150 | $37,433 |
| 2024-06-21 | James F Young | Sell | $14.09 | 7,500 | $105,675 |
| 2024-06-18 | James F Young | Sell | $13.72 | 7,500 | $102,900 |
| 2024-05-14 | Filip Dubovsky | Sell | $13.90 | 47,312 | $657,637 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
NVAX shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns NVAX
Institutional investors own 67.6% of Novavax's shares and insiders 5.05%. The largest holder is BlackRock Inc with 8.46% of the shares (13.9M), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 9 reduced their stake in the latest filings. Short interest is 28.10% of the float, or 8.08 days of average trading volume. The share count rose 1,351.5% since 2014.
Related: NVAX analyst forecast, NVAX key metrics. See the NVAX stock overview for the latest quote and news.
NVAX ownership FAQ
Who owns the most Novavax stock?
The largest shareholders of Novavax are BlackRock Inc (8.46%), Shah Capital Management (7.38%), State Street Corp (7.12%), Vanguard Portfolio Management, LLC (4.61%), Vanguard Capital Management, LLC (4.40%).
What percentage of Novavax is owned by institutions?
Institutions hold 67.6% of Novavax's shares outstanding; insiders hold 5.05%.
Which funds own Novavax?
The largest fund holders of Novavax are Vanguard MStar Total Stk Mkt Idx Invest (3.15%), State Street® SPDR® S&P® Biotech ETF (2.81%), iShares Russell 2000 ETF (2.41%), Vanguard Small Cap Index (2.25%), Vanguard MStar Small Cap Growth Indx Inv (1.25%).
What is Novavax's short interest?
46.0M shares of Novavax were sold short, 28.10% of the float; at the average daily volume it would take 8.08 days to cover.
Are insiders buying or selling Novavax?
Of the latest 6 reported insider transactions in Novavax (since May 14, 2024), 0 were purchases and 6 were sales.
How many shares of Novavax are outstanding?
Novavax has 164.9M shares outstanding, of which 144.6M are in the public float.