Westwater Resources, Inc. (WWR) Ownership
WWR ownership summary
as of October 18, 2026- Institutions
- 12.2% of shares outstanding
- Insiders
- 5.37% of shares outstanding
- Shares outstanding
- 128.6M
- Float
- 122.8M shares available to trade
- Short interest
- 3.31% 3.5M shares short
- Days to cover
- 5.31 short interest down 5.8% vs prior month
- Institutions 12.24%
- Insiders 5.37%
- Other investors 82.39%
WWR top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard Capital Management, LLC | 3.49% | 4.5M | $1.8M | +137,309 (+3.2%) | June 30, 2026 |
| 2 | CAMBRIDGE Invest RESEARCH ADVISORS, INC. | 1.71% | 2.2M | $880,182 | +989,719 (+81.7%) | June 30, 2026 |
| 3 | Renaissance Technologies Corp | 1.25% | 1.6M | $643,516 | −83,400 (−4.9%) | June 30, 2026 |
| 4 | BlackRock Inc | 1.15% | 1.5M | $593,381 | −1 (−0.0%) | June 30, 2026 |
| 5 | Geode Capital Management, LLC | 1.02% | 1.3M | $524,889 | — | June 30, 2026 |
| 6 | Vanguard Fiduciary Trust Co | 0.62% | 797K | $318,803 | +98,590 (+14.1%) | June 30, 2026 |
| 7 | Two Sigma Investments LLC | 0.62% | 795K | $317,938 | −273,333 (−25.6%) | June 30, 2026 |
| 8 | XTX Topco Ltd | 0.41% | 524K | $209,632 | −8,163 (−1.5%) | June 30, 2026 |
| 9 | State Street Corp | 0.33% | 423K | $169,202 | — | June 30, 2026 |
| 10 | Citadel Advisors Llc | 0.31% | 402K | $160,812 | +374,272 (+1,348.3%) | June 30, 2026 |
| 11 | UBS Group AG | 0.21% | 271K | $108,215 | +38,186 (+16.4%) | June 30, 2026 |
| 12 | Northern Trust Corp | 0.21% | 270K | $107,846 | +31,831 (+13.4%) | June 30, 2026 |
| 13 | ALPS Advisors Inc | 0.16% | 204K | $81,413 | −9,854 (−4.6%) | June 30, 2026 |
| 14 | Evernest Financial Advisors LLC | 0.12% | 160K | $64,000 | +40,000 (+33.3%) | June 30, 2026 |
| 15 | Southern Financial Group, LLC | 0.09% | 117K | $46,602 | +2,039 (+1.8%) | June 30, 2026 |
| 16 | Annandale Capital, LLC | 0.08% | 100K | $40,000 | — | June 30, 2026 |
| 17 | Pinnacle Associates Inc | 0.07% | 86K | $34,360 | — | June 30, 2026 |
| 18 | Bridgeway Capital Management, LLC | 0.06% | 75K | $30,000 | — | June 30, 2026 |
| 19 | Susquehanna International Group, LLP | 0.05% | 63K | $25,229 | −159,308 (−71.6%) | June 30, 2026 |
| 20 | Wealth Enhancement Advisory Services, LLC | 0.04% | 52K | $20,996 | +52,490 (0.0%) | 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 1.8M shares and 6 cut 534K.
WWR top mutual fund and ETF holders
9 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.30% | 3.0M | $1.2M | — | August 31, 2026 |
| 2 | Fidelity Extended Market Index | 0.51% | 653K | $261,249 | −3,510 (−0.5%) | August 31, 2026 |
| 3 | Sprott Critical Materials ETF | 0.17% | 216K | $86,334 | — | September 30, 2026 |
| 4 | Fidelity Total Market Index | 0.17% | 213K | $85,336 | — | August 31, 2026 |
| 5 | Fidelity Series Total Market Index | 0.14% | 179K | $71,617 | — | August 31, 2026 |
| 6 | Vanguard MStar Inst Ttl StkMktIdxInstlPl | 0.07% | 95K | $38,095 | — | August 31, 2026 |
| 7 | EA Bridgeway Ultra-Small Company Mkt ETF | 0.06% | 74K | $29,595 | — | September 30, 2026 |
| 8 | Vanguard Balanced Index Inv | 0.05% | 65K | $25,902 | — | August 31, 2026 |
| 9 | Vanguard U.S. Eq Idx £ Acc | 0.02% | 28K | $11,094 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
WWR insider transactions
latest 1| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2024-12-23 | Terence James Cryan | Buy | $0.54 | 50,000 | $27,000 |
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.
WWR shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns WWR
Institutional investors own 12.2% of Westwater Resources's shares and insiders 5.37%. The largest holder is Vanguard Capital Management, LLC with 3.49% of the shares (4.5M), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 6 reduced their stake in the latest filings. Short interest is 3.31% of the float, or 5.31 days of average trading volume. The share count rose 238,635.4% since 2014.
Related: WWR analyst forecast, WWR key metrics. See the WWR stock overview for the latest quote and news.
WWR ownership FAQ
Who owns the most Westwater Resources stock?
The largest shareholders of Westwater Resources are Vanguard Capital Management, LLC (3.49%), CAMBRIDGE Invest RESEARCH ADVISORS, INC. (1.71%), Renaissance Technologies Corp (1.25%), BlackRock Inc (1.15%), Geode Capital Management, LLC (1.02%).
What percentage of Westwater Resources is owned by institutions?
Institutions hold 12.2% of Westwater Resources's shares outstanding; insiders hold 5.37%.
Which funds own Westwater Resources?
The largest fund holders of Westwater Resources are Vanguard MStar Total Stk Mkt Idx Invest (2.30%), Fidelity Extended Market Index (0.51%), Sprott Critical Materials ETF (0.17%), Fidelity Total Market Index (0.17%), Fidelity Series Total Market Index (0.14%).
What is Westwater Resources's short interest?
3.5M shares of Westwater Resources were sold short, 3.31% of the float; at the average daily volume it would take 5.31 days to cover.
Are insiders buying or selling Westwater Resources?
Of the latest 1 reported insider transactions in Westwater Resources (since December 23, 2024), 1 were purchases and 0 were sales.
How many shares of Westwater Resources are outstanding?
Westwater Resources has 128.6M shares outstanding, of which 122.8M are in the public float.