KLX Energy Services Holdings, Inc. (KLXE) Ownership

NASDAQ: KLXETop holders, insider trades and short interest.

KLXE ownership summary

as of October 17, 2026
Institutions
20.7%
of shares outstanding
Insiders
23.15%
of shares outstanding
Shares outstanding
105.1M
Float
13.3M
shares available to trade
Short interest
3.16%
3.3M shares short
Days to cover
3.37
short interest up 10.5% vs prior month
  • Institutions 20.70%
  • Insiders 23.15%
  • Other investors 56.15%

KLXE top institutional holders

20 largest
KLX Energy Services Holdings, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Gendell Jeffrey L1.78%1.9M$2.5M+95,113 (+5.4%)June 30, 2026
2CastleKnight Management LP0.66%692K$913,080−229,318 (−24.9%)June 30, 2026
3Vanguard Capital Management, LLC0.58%610K$804,718+55,674 (+10.1%)June 30, 2026
4Adage Capital Partners Gp LLC0.52%550K$726,000+450,000 (+450.0%)June 30, 2026
5Marshall Wace Asset Management Ltd0.52%545K$719,660+172,300 (+46.2%)June 30, 2026
6Citadel Advisors Llc0.25%258K$341,067+128,254 (+98.6%)June 30, 2026
7BlackRock Inc0.20%209K$276,228+17,275 (+9.0%)June 30, 2026
8Kestra Advisory Services, LLC0.19%202K$266,480+201,879 (0.0%)June 30, 2026
9Geode Capital Management, LLC0.17%182K$240,273+3,874 (+2.2%)June 30, 2026
10Whitebox Advisors, LLC0.17%179K$236,357—June 30, 2026
11Acadian Asset Management LLC0.16%172K$226,692+130,189 (+313.4%)June 30, 2026
12Morgan Stanley - Brokerage Accounts0.16%171K$225,298−42,459 (−19.9%)June 30, 2026
13Renaissance Technologies Corp0.15%154K$202,752+1,500 (+1.0%)June 30, 2026
14Round Rock Advisors, LLC0.13%140K$184,290—June 30, 2026
15Mackenzie Investments0.10%103K$136,385+103,322 (0.0%)June 30, 2026
16UBS Group AG0.09%91K$120,016+76,556 (+532.9%)June 30, 2026
17Dimensional Fund Advisors, Inc.0.07%78K$103,331+61,970 (+379.9%)June 30, 2026
18Arrowstreet Capital Limited Partnership0.07%78K$103,242+78,214 (0.0%)June 30, 2026
19Vanguard Fiduciary Trust Co0.07%77K$101,236+605 (+0.8%)June 30, 2026
20Verition Fund Managegment, LLC0.07%75K$99,000+75,000 (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, 16 holders added 1.7M shares and 2 cut 272K.

KLXE top mutual fund and ETF holders

18 largest
KLX Energy Services Holdings, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest0.55%577K$761,511+172,594 (+42.7%)August 31, 2026
2iShares Micro-Cap ETF0.33%346K$456,287−2,384 (−0.7%)September 30, 2026
3Fidelity Series Total Market Index0.11%119K$157,615+96,542 (+422.3%)August 31, 2026
4EA Bridgeway Ultra-Small Company Mkt ETF0.11%116K$153,265—September 30, 2026
5Fidelity Extended Market Index0.08%86K$113,762−463 (−0.5%)August 31, 2026
61290 VT GAMCO Small Company Value IB0.07%70K$92,400+35,000 (+100.0%)August 31, 2026
7Mackenzie GQE US Small Cap F80.03%32K$42,885—July 31, 2026
8Fidelity Total Market Index0.03%27K$35,421+2,828 (+11.8%)August 31, 2026
9Fidelity Advisor Capital & Income M0.01%8,265$10,910—July 31, 2026
10Fidelity Puritan0.01%7,454$9,839+7,454 (0.0%)July 31, 2026
11Vanguard Balanced Index Inv0.01%7,292$9,625−1,480 (−16.9%)August 31, 2026
121290 VT Micro Cap K0.01%7,198$9,501+3,599 (+100.0%)August 31, 2026
13DFA US Sustainability Core 10.01%6,003$7,924—August 31, 2026
14Fidelity American Hg Yild Multi-Asst BsO0.01%5,419$7,153+5,419 (0.0%)July 31, 2026
15DFA US Social Core Equity 2 Portfolio0.01%5,213$6,881—August 31, 2026
16Vanguard U.S. Eq Idx £ Acc<0.01%4,358$5,753—August 31, 2026
17IG Mackenzie GQE U.S. Sm Md Cap Eq C NL<0.01%2,348$3,099−4,300 (−64.7%)July 31, 2026
18Fidelity Canadian Balanced Series B<0.01%2,222$2,933+3 (+0.1%)June 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

KLXE insider transactions

latest 2
KLX Energy Services Holdings, Inc. insider transactions
DateNameTransactionPriceSharesValue
2025-12-16Max BouthilletteBuy$1.6716,500$27,555
2025-05-13Thomas P MccaffreySell$1.9550,045$97,588

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.

KLXE shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns KLXE

Institutional investors own 20.7% of KLX Energy Services's shares and insiders 23.15%. The largest holder is Gendell Jeffrey L with 1.78% of the shares (1.9M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 2 reduced their stake in the latest filings. Short interest is 3.16% of the float, or 3.37 days of average trading volume. The share count rose 380.0% since 2017.

Related: KLXE analyst forecast, KLXE key metrics. See the KLXE stock overview for the latest quote and news.

KLXE ownership FAQ

Who owns the most KLX Energy Services stock?

The largest shareholders of KLX Energy Services are Gendell Jeffrey L (1.78%), CastleKnight Management LP (0.66%), Vanguard Capital Management, LLC (0.58%), Adage Capital Partners Gp LLC (0.52%), Marshall Wace Asset Management Ltd (0.52%).

What percentage of KLX Energy Services is owned by institutions?

Institutions hold 20.7% of KLX Energy Services's shares outstanding; insiders hold 23.15%.

Which funds own KLX Energy Services?

The largest fund holders of KLX Energy Services are Vanguard MStar Total Stk Mkt Idx Invest (0.55%), iShares Micro-Cap ETF (0.33%), Fidelity Series Total Market Index (0.11%), EA Bridgeway Ultra-Small Company Mkt ETF (0.11%), Fidelity Extended Market Index (0.08%).

What is KLX Energy Services's short interest?

3.3M shares of KLX Energy Services were sold short, 3.16% of the float; at the average daily volume it would take 3.37 days to cover.

Are insiders buying or selling KLX Energy Services?

Of the latest 2 reported insider transactions in KLX Energy Services (since May 13, 2025), 1 were purchases and 1 were sales.

How many shares of KLX Energy Services are outstanding?

KLX Energy Services has 105.1M shares outstanding, of which 13.3M are in the public float.

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