KLX Energy Services Holdings Inc
Ownership
Ownership Structure
Who owns KLX Energy Services Holdings Inc (KLXE)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 66.4% of the shares are freely tradable; institutional investors hold 31.7%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Gendell Jeffrey L | 8.28 | 1,771,108 | +1.0 | 03/31/2026 |
| CastleKnight Management LP | 4.31 | 921,045 | -7.8 | 03/31/2026 |
| Vanguard Capital Management, LLC | 2.59 | 553,961 | +0.0 | 03/31/2026 |
| Adage Capital Partners Gp LLC | 2.57 | 550,000 | +450.0 | 06/30/2026 |
| Marshall Wace Asset Management Ltd | 1.74 | 372,897 | +0.0 | 03/31/2026 |
| Citadel Advisors Llc | 1.21 | 258,384 | +98.6 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 1.00 | 213,139 | -20.5 | 03/31/2026 |
| Kestra Advisory Services, LLC | 0.94 | 201,879 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 1.89 | 404,308 | +0.0 | 07/31/2026 |
| Vanguard Institutional Extnd Mkt Idx Tr | 0.92 | 196,555 | +0.0 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Robertson Corbin J Jr | Director | 283,359 | 425,039 $ | Sep 14, 2026 | direct |
| Bouthillette Max | See Remarks | 225,697 | 338,546 $ | Sep 15, 2026 | direct |
| Stanford Geoffrey C | See Remarks | 114,258 | 171,387 $ | Sep 9, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | Bouthillette Max | See Remarks | Other | 44,677 | 1.49 | 66,569 |
| Sep 14, 2026 | Robertson Corbin J Jr | Director | Other | 225,353 | 1.49 | 335,776 |
| Sep 9, 2026 | Stanford Geoffrey C | See Remarks | Other | 26,418 | 1.49 | 39,363 |
| Mar 6, 2026 | Stanford Geoffrey C | See Remarks | Other | 13,000 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.