# WESTWATER RES INC COM NEW

WESTWATER RES INC COM NEW is a security (CUSIP 961684206) tracked across SEC portfolio filings. 76 institutional managers reported $11.1M on Form 13F as of 2026-06-30; 4 registered fund positions totaling $964K via N-PORT as of 2026-03-31.

## Summary

- Issuer: WESTWATER RES INC
- Class: COM NEW
- CUSIP: 961684206
- Asset category: EC
- 13F holders: 76
- 13F value: $11.1M
- 13F period: 2026-06-30
- N-PORT fund positions: 4
- N-PORT value: $964K
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 76 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $3.5M | 4,633,532 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $1.1M | 1,692,190 |
| BlackRock, Inc. | New York, NY | $970K | 1,483,454 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $858K | 1,312,223 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $698K | 1,068,179 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $449K | 686,672 |
| Brooklands Fund Management Ltd | LONDON, X0 | $376K | 575,000 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $364K | 27,759 |
| XTX Topco Ltd | LONDON, X0 | $348K | 532,242 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $331K | 222,380 |
| Massar Capital Management, LP | STAMFORD, CT | $321K | 490,200 |
| STATE STREET CORP | BOSTON, MA | $277K | 423,005 |
| PEAK6 LLC | CHICAGO, IL | $260K | — |
| NORTHERN TRUST CORP | CHICAGO, IL | $155K | 237,783 |
| UBS Group AG | Zurich, V8 | $152K | 232,352 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $858K | 0.11% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $62K | 0.02% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $42K | 0.01% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $2K | 0.00% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/961684206.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.