GREENWOOD VILLAGE, CO
WESTWATER RESOURCES, INC.WWR— Latest position per institution from SEC 13F filings
15
Institutional holders
21.09M
Total shares held
12.15M
Estimated value
1.05M
Avg. position size
VANGUARD GROUP INC
CIK 102909
Shares
4.63M
Value
3.48M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
4.48M
Value
2.26M
Filed
Jun 30, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
1.61M
Value
812.44K
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
1.48M
Value
749.14K
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.31M
Value
663.03K
Filed
Jun 30, 2026
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.
CIK 1419186
Shares
1.10M
Value
556.00
Filed
Jun 30, 2026
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
797.01K
Value
402.49K
Filed
Jun 30, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
794.85K
Value
401.40K
Filed
Jun 30, 2026
TWO SIGMA ADVISERS, LP
CIK 1478735
Shares
606.90K
Value
455.18K
Filed
Dec 31, 2025
XTX TOPCO LTD
CIK 1828301
Shares
524.08K
Value
264.66K
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
498.73K
Value
251.86K
Filed
Jun 30, 2026
SOVIERO ASSET MANAGEMENT, LP
CIK 1755622
Shares
470K
Value
445.89K
Filed
Sep 30, 2025
AROSA CAPITAL MANAGEMENT LP
CIK 1596053
Shares
450K
Value
426.92K
Filed
Sep 30, 2025
STATE STREET CORP
CIK 93751
Shares
423K
Value
213.62K
Filed
Jun 30, 2026
PEAK6 LLC
CIK 1389958
Shares
397.60K
Value
259.99K
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
374.31K
Value
180.30K
Filed
Jun 30, 2024
EHP FUNDS INC.
CIK 1927881
Shares
327.17K
Value
363.16K
Filed
Mar 31, 2023
UBS GROUP AG
CIK 1610520
Shares
270.54K
Value
136.62K
Filed
Jun 30, 2026
NORTHERN TRUST CORP
CIK 73124
Shares
269.61K
Value
136.16K
Filed
Jun 30, 2026
MAREX GROUP LTD
CIK 1997464
Shares
260.60K
Value
247.23K
Filed
Sep 30, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 102909 | 4.63M | 3.48M | Dec 31, 2025 |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 4.48M | 2.26M | Jun 30, 2026 |
| 3 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 1.61M | 812.44K | Jun 30, 2026 |
| 4 | BLACKROCK, INC. | 2012383 | 1.48M | 749.14K | Jun 30, 2026 |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.31M | 663.03K | Jun 30, 2026 |
| 6 | CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC. | 1419186 | 1.10M | 556.00 | Jun 30, 2026 |
| 7 | VANGUARD FIDUCIARY TRUST CO | 933478 | 797.01K | 402.49K | Jun 30, 2026 |
| 8 | TWO SIGMA INVESTMENTS, LP | 1179392 | 794.85K | 401.40K | Jun 30, 2026 |
| 9 | TWO SIGMA ADVISERS, LP | 1478735 | 606.90K | 455.18K | Dec 31, 2025 |
| 10 | XTX TOPCO LTD | 1828301 | 524.08K | 264.66K | Jun 30, 2026 |
| 11 | CITADEL ADVISORS LLC | 1423053 | 498.73K | 251.86K | Jun 30, 2026 |
| 12 | SOVIERO ASSET MANAGEMENT, LP | 1755622 | 470K | 445.89K | Sep 30, 2025 |
| 13 | AROSA CAPITAL MANAGEMENT LP | 1596053 | 450K | 426.92K | Sep 30, 2025 |
| 14 | STATE STREET CORP | 93751 | 423K | 213.62K | Jun 30, 2026 |
| 15 | PEAK6 LLC | 1389958 | 397.60K | 259.99K | Mar 31, 2026 |
| 16 | BLACKROCK FINANCE, INC. | 1364742 | 374.31K | 180.30K | Jun 30, 2024 |
| 17 | EHP FUNDS INC. | 1927881 | 327.17K | 363.16K | Mar 31, 2023 |
| 18 | UBS GROUP AG | 1610520 | 270.54K | 136.62K | Jun 30, 2026 |
| 19 | NORTHERN TRUST CORP | 73124 | 269.61K | 136.16K | Jun 30, 2026 |
| 20 | MAREX GROUP LTD | 1997464 | 260.60K | 247.23K | Sep 30, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.