Vault-13

NATIONAL ENERGY SERVICES REU NESR

SHS · Common Stock · CUSIP G6375R107

95 institutional holders
34,376,90934.4m shares reported held*
36.6% of all shares outstanding*
$208.0mreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($1.3m this quarter). Holder counts are more reliable. Shares outstanding: 94.0m as of 2022-12-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $6.05. Options: 1 managers hold calls ($0 notional), 2 hold puts ($141.0k).

Biggest calls

Biggest puts

CITADEL ADVISORS LLC — $141.0k23.7k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. — $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
FMR LLC 13G · institution +1.0 pts · filed 2026-05-07 10.1% +1.0 pts 10.2m≈ $305.4m 2026-05-07

Fell to 5% or below in the last year: Encompass Capital Advisors LLC (4.2%, 2026-05-15), Mubbadrah Investment LLC (4.2%, 2026-02-17)

Insider purchases and sales in Q3 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported in Q3 2022.

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 SCF Partners, Inc. 28.15% of their portfolio Houston, TX 7,991,6778.0m $47.5m $47.5m 28.15% —
2 FMR LLC 0.00% of their portfolio BOSTON, MA 4,717,7204.7m $28.0m $28.0m 0.00% —
3 Encompass Capital Advisors LLC 1.42% of their portfolio New York, NY 4,135,2974.1m $24.6m $24.6m 1.42% —
4 BlackRock Inc. 0.00% of their portfolio New York, NY 2,027,4922.0m $12.0m $12.0m 0.00% —
5 Boston Partners 0.02% of their portfolio BOSTON, MA 1,789,4411.8m $10.9m $10.9m 0.02% —
6 HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.03% of their portfolio Los Angeles, CA 1,216,7701.2m $7.2m $7.2m 0.03% —
7 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 1,186,9701.2m $7.1m $7.1m 0.00% —
8 LSV ASSET MANAGEMENT 0.01% of their portfolio CHICAGO, IL 885,163885.2k $5.3m $5.3m 0.01% —
9 AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio Greenwich, CT 635,449635.4k $3.8m $3.8m 0.01% —
10 JENNISON ASSOCIATES LLC 0.00% of their portfolio NEW YORK, NY 625,631625.6k $3.7m $3.7m 0.00% —
11 RR Advisors, LLC 0.69% of their portfolio DALLAS, TX 625,000625.0k $3.7m $3.7m 0.69% —
12 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 624,340624.3k $3.7m $3.7m 0.00% —
13 Nuveen Asset Management, LLC 0.00% of their portfolio CHICAGO, IL 588,775588.8k $3.5m $3.5m 0.00% —
14 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 577,648577.6k $3.4m $3.4m 0.00% —
15 HITE Hedge Asset Management LLC 0.29% of their portfolio BRAINTREE, MA 574,916574.9k $3.4m $3.4m 0.29% —
16 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 551,076551.1k $3.3m $3.3m 0.00% —
17 Russell Investments Group, Ltd. 0.01% of their portfolio Seattle, WA 528,954529.0k $3.1m $3.1m 0.01% —
18 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.08% of their portfolio HOUSTON, TX 523,900523.9k $3.1m $3.1m 0.08% —
19 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 424,078424.1k $2.5m $2.5m 0.00% —
20 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 394,271394.3k $2.3m $2.3m 0.00% —
21 RICE HALL JAMES & ASSOCIATES, LLC 0.12% of their portfolio San Diego, CA 339,519339.5k $2.0m $2.0m 0.12% —
22 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 254,664254.7k $1.5m $1.5m 0.00% —
23 Ronit Capital LLP 1.84% of their portfolio LONDON, X0 227,562227.6k $1.4m $1.4m 1.84% —
24 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 177,667177.7k $1.1m $1.1m 0.00% —
25 Long Focus Capital Management, LLC 0.20% of their portfolio SAN JUAN, PR 160,000160.0k $950.0k $950.0k 0.20% —
26 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 158,205158.2k $940.0k $940.0k 0.00% —
27 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 156,795156.8k $932.0k $932.0k 0.00% —
28 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 150,925150.9k $896.0k $896.0k 0.00% —
29 SIR Capital Management, L.P. 0.14% of their portfolio NEW YORK, NY 143,022143.0k $850.0k $850.0k 0.14% —
30 MERCER GLOBAL ADVISORS INC /ADV 0.00% of their portfolio DENVER, CO 130,163130.2k $773.0k $773.0k 0.00% —
31 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 129,095129.1k $767.0k $767.0k 0.00% —
32 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 115,549115.5k $686.0k $686.0k 0.00% —
33 Dodge & Cox 0.00% of their portfolio San Francisco, CA 114,701114.7k $681.0k $681.0k 0.00% —
34 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 108,586108.6k $645.0k $645.0k 0.00% —
35 DENALI ADVISORS LLC 0.30% of their portfolio SAN DIEGO, CA 106,200106.2k $631.0k $631.0k 0.30% —
36 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 102,717102.7k $610.0k $610.0k 0.00% —
37 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 101,260101.3k $601.0k $601.0k 0.00% —
38 SOROS FUND MANAGEMENT LLC 0.01% of their portfolio NEW YORK, NY 90,21290.2k $536.0k $536.0k 0.01% —
39 GUGGENHEIM CAPITAL LLC 0.00% of their portfolio CHICAGO, IL 89,77289.8k $533.0k $533.0k 0.00% —
40 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 83,62383.6k $497.0k $497.0k 0.00% —
41 Yaupon Capital Management LP 0.17% of their portfolio NEW YORK, NY 83,14183.1k $494.0k $494.0k 0.17% —
42 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 82,46282.5k $490.0k $490.0k 0.00% —
43 Atom Investors LP 0.14% of their portfolio AUSTIN, TX 67,58667.6k $401.0k $401.0k 0.14% —
44 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 61,10161.1k $363.0k $363.0k 0.00% —
45 VIKING FUND MANAGEMENT LLC 0.08% of their portfolio MINOT, ND 60,00060.0k $356.0k $356.0k 0.08% —
46 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 58,86258.9k $350.0k $350.0k 0.00% —
47 MARTINGALE ASSET MANAGEMENT L P 0.01% of their portfolio BOSTON, MA 55,98656.0k $333.0k $333.0k 0.01% —
48 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 54,20054.2k $322.0k $322.0k 0.00% —
49 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 49,45049.5k $294.0k $294.0k 0.00% —
50 PRELUDE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio NEW YORK, NY 44,79444.8k $266.0k $266.0k 0.01% —
51 NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio MONTREAL, A8 39,17539.2k $231.0k $231.0k 0.00% —
52 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 33,07233.1k $196.0k $196.0k 0.00% —
53 Crystal Rock Capital Management 3.83% of their portfolio BANNOCKBURN, IL 29,47529.5k $3.7m $3.7m 3.83% —
54 Diametric Capital, LP 0.07% of their portfolio BOSTON, MA 23,67823.7k $141.0k $141.0k 0.07% —
55 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 20,80020.8k $123.0k $123.0k 0.00% —
56 AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio New York, NY 18,11018.1k $108.0k $108.0k 0.00% —
57 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 17,97818.0k $107.0k $107.0k 0.00% —
58 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 17,95918.0k $106.7k $106.7k 0.00% —
59 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 17,79517.8k $105.7k $105.7k 0.00% —
60 Mariner, LLC 0.00% of their portfolio Overland Park, KS 16,90316.9k $100.0k $100.0k 0.00% —
61 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 16,87116.9k $100.0k $100.0k 0.00% —
62 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 16,51016.5k $98.1k $98.1k 0.00% —
63 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 15,74715.7k $94.0k $94.0k 0.00% —
64 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 15,45615.5k $92.0k $92.0k 0.00% —
65 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 15,05715.1k $89.0k $89.0k 0.00% —
66 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 14,86614.9k $88.3k $88.3k 0.00% —
67 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 12,24312.2k $72.0k $72.0k 0.00% —
68 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 11,88611.9k $70.0k $70.0k 0.00% —
69 SG Americas Securities, LLC 0.00% of their portfolio NEW YORK, NY 11,25911.3k $67.0k $67.0k 0.00% —
70 First Eagle Investment Management, LLC 0.00% of their portfolio NEW YORK, NY 10,82210.8k $64.0k $64.0k 0.00% —
71 Gladius Capital Management LP 0.01% of their portfolio PARK CITY, UT 5,4825.5k $33.0k $33.0k 0.01% —
72 Ellevest, Inc. 0.00% of their portfolio NEW YORK, NY 5,4005.4k $32.0k $32.0k 0.00% —
73 AMALGAMATED BANK 0.00% of their portfolio NEW YORK, NY 4,8274.8k $29.0k $29.0k 0.00% —
74 Legal & General Group Plc 0.00% of their portfolio London, X0 3,7663.8k $22.0k $22.0k 0.00% —
75 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 3,5683.6k $21.0k $21.0k 0.00% —
76 TD Waterhouse Canada Inc. 0.00% of their portfolio TORONTO, A6 3,3003.3k $20.6k $20.6k 0.00% —
77 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 2,9112.9k $17.0k $17.0k 0.00% —
78 UBS Group AG 0.00% of their portfolio ZURICH, V8 2,7222.7k $16.0k $16.0k 0.00% —
79 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 2,1002.1k $12.0k $12.0k 0.00% —
80 Metropolitan Life Insurance Co/NY 0.00% of their portfolio New York, NY 1,7481.7k $10.4k $10.4k 0.00% —
81 WIPFLI FINANCIAL ADVISORS LLC, 0.00% of their portfolio MILWAUKEE, WI 1,2231.2k $7.0k $7.0k 0.00% —
82 Parkside Financial Bank & Trust 0.00% of their portfolio SAINT LOUIS, MO 1,1511.2k $7.0k $7.0k 0.00% —
83 Parallel Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 1,1161.1k $7.0k $7.0k 0.00% —
84 HARBOR INVESTMENT ADVISORY, LLC 0.00% of their portfolio LUTHERVILLE, MD 1,0001.0k $6.0k $6.0k 0.00% —
85 QUADRANT CAPITAL GROUP LLC 0.00% of their portfolio CINCINNATI, OH 934934 $6.0k $6.0k 0.00% —
86 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 931931 $6.0k $6.0k 0.00% —
87 SIGNATUREFD, LLC 0.00% of their portfolio ATLANTA, GA 683683 $4.0k $4.0k 0.00% —
88 Covestor Ltd 0.00% of their portfolio LONDON, X0 381381 $2.0k $2.0k 0.00% —
89 Lindbrook Capital, LLC 0.00% of their portfolio CALABASAS, CA 312312 $2.0k $2.0k 0.00% —
90 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 216216 $1.0k $1.0k 0.00% —
91 HighMark Wealth Management LLC 0.00% of their portfolio ST. PAUL, MN 200200 $1.0k $1.0k 0.00% —
92 Blue Trust, Inc. 0.00% of their portfolio BRENTWOOD, TN 9797 $1.0k $1.0k 0.00% —
93 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 6666 $0 $0 0.00% —
94 CWM, LLC 0.00% of their portfolio OMAHA, NE 4848 $0 $0 0.00% —
95 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio BIRMINGHAM, AL 00 $0 $0 0.00% —