Vault-13

NATIONAL ENERGY SERVICES REU NESR

SHS · Common Stock · CUSIP G6375R107

80 institutional holders +18 vs Q4 2024
40,975,58841.0m shares reported held*
42.7% of all shares outstanding*
$301.5mreported value*
25 new 20 added 19 reduced 7 sold out net bought ≈ $12.3m (+1.7m shares)

* 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 ($192.1k this quarter). Holder counts are more reliable. Shares outstanding: 96.0m as of 2024-12-31, 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 ≈ $7.36.

Trends to Q1 2025

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 95Q4 22: 110Q1 23: 98Q2 23: 6Q3 23: 1Q4 23: 2Q1 24: 1Q2 24: 1Q3 24: 1Q4 24: 62Q1 25: 8080Q3 22Q1 23Q3 23Q1 24Q3 24Q1 25
Numbers
QuarterHolders
Q3 202295
Q4 2022110
Q1 202398
Q2 20236
Q3 20231
Q4 20232
Q1 20241
Q2 20241
Q3 20241
Q4 202462
Q1 202580

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q2 23: 4 bought or addedQ2 23: 95 cut or sold outQ3 23: 0 bought or addedQ3 23: 5 cut or sold outQ3 23Q4 23: 2 bought or addedQ4 23: 0 cut or sold outQ1 24: 0 bought or addedQ1 24: 2 cut or sold outQ1 24Q2 24: 1 bought or addedQ2 24: 0 cut or sold outQ3 24: 1 bought or addedQ3 24: 0 cut or sold outQ3 24Q4 24: 60 bought or addedQ4 24: 0 cut or sold outQ1 25: 45 bought or addedQ1 25: 26 cut or sold outQ1 25
Numbers
QuarterBought or addedCut or sold out
Q2 2023495
Q3 202305
Q4 202320
Q1 202402
Q2 202410
Q3 202410
Q4 2024600
Q1 20254526

Biggest buyers

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added +899,024+899.0k
SIR Capital Management, L.P. New +291,248+291.2k
JANE STREET GROUP, LLC New +193,651+193.7k
DIMENSIONAL FUND ADVISORS LP Added +188,555+188.6k
FMR LLC Added +168,551+168.6k
Hudson Bay Capital Management LP New +164,529+164.5k
MILLENNIUM MANAGEMENT LLC Added +149,796+149.8k
IRIDIAN ASSET MANAGEMENT LLC/CT Added +120,108+120.1k
HRT FINANCIAL LP New +117,732+117.7k
MARSHALL WACE, LLP Added +83,871+83.9k

Biggest sellers

Fort Baker Capital Management LP Reduced -400,273-400.3k
Balyasny Asset Management L.P. Reduced -343,944-343.9k
GeoSphere Capital Management, LLC Reduced -319,779-319.8k
PRELUDE CAPITAL MANAGEMENT, LLC Reduced -134,689-134.7k
Diameter Capital Partners LP Reduced -65,187-65.2k
Dodge & Cox Reduced -59,495-59.5k
BANK OF AMERICA CORP /DE/ Reduced -54,990-55.0k
CITIGROUP INC Reduced -36,270-36.3k
Shay Capital LLC Reduced -34,000-34.0k
PICKERING ENERGY PARTNERS LP Reduced -25,000-25.0k

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 Q1 2025

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 Q1 2025.

Holders, Q1 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Encompass Capital Advisors LLC 2.49% of their portfolio New York, NY 8,823,2478.8m $64.9m $64.9m 2.49% Reduced -5.8k -5,785
2 SCF Partners, Inc. 100.00% of their portfolio Houston, TX 7,991,6778.0m $58.8m $58.8m 100.00% Unchanged
3 FMR LLC 0.00% of their portfolio BOSTON, MA 7,630,1037.6m $56.2m $56.2m 0.00% Added +168.6k +168,551
4 Fort Baker Capital Management LP 4.22% of their portfolio Larkspur, CA 2,687,9372.7m $19.8m $19.8m 4.22% Reduced -400.3k -400,273
5 Balyasny Asset Management L.P. 0.04% of their portfolio Chicago, IL 1,925,0211.9m $14.2m $14.2m 0.04% Reduced -343.9k -343,944
6 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio BALA CYNWYD, PA 1,020,7121.0m $7.5m $7.5m 0.01% Added +899.0k +899,024
7 HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.02% of their portfolio Los Angeles, CA 980,220980.2k $7.2m $7.2m 0.02% Reduced -18.9k -18,940
8 GeoSphere Capital Management, LLC 7.26% of their portfolio MIAMI BEACH, FL 845,717845.7k $6.2m $6.2m 7.26% Reduced -319.8k -319,779
9 Diameter Capital Partners LP 1.48% of their portfolio New York, NY 843,506843.5k $6.2m $6.2m 1.48% Reduced -65.2k -65,187
10 ExodusPoint Capital Management, LP 0.08% of their portfolio NEW YORK, NY 795,310795.3k $5.9m $5.9m 0.08% Added +3.1k +3,132
11 HITE Hedge Asset Management LLC 0.36% of their portfolio BRAINTREE, MA 782,239782.2k $5.8m $5.8m 0.36% Added +55.0k +55,004
12 Dodge & Cox 0.00% of their portfolio San Francisco, CA 708,594708.6k $5.2m $5.2m 0.00% Reduced -59.5k -59,495
13 UBS Group AG 0.00% of their portfolio ZURICH, V8 582,689582.7k $4.3m $4.3m 0.00% Reduced -15.0k -14,984
14 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 542,135542.1k $4.0m $4.0m 0.00% Added +149.8k +149,796
15 Long Focus Capital Management, LLC 0.25% of their portfolio SAN JUAN, PR 497,921497.9k $3.7m $3.7m 0.25% Unchanged
16 Tejara Capital Ltd 1.60% of their portfolio London, X0 439,917439.9k $3.2m $3.2m 1.60% Added +38.2k +38,152
17 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 406,623406.6k $3.0m $3.0m 0.00% Added +83.9k +83,871
18 SIR Capital Management, L.P. 0.19% of their portfolio NEW YORK, NY 291,248291.2k $2.1m $2.1m 0.19% New
19 IRIDIAN ASSET MANAGEMENT LLC/CT 0.63% of their portfolio WESTPORT, CT 273,944273.9k $2.0m $2.0m 0.63% Added +120.1k +120,108
20 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 238,234238.2k $1.8m $1.8m 0.00% Added +31.5k +31,493
21 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 212,055212.1k $1.6m $1.6m 0.00% Added +12.2k +12,216
22 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 208,147208.1k $1.5m $1.5m 0.00% Added +188.6k +188,555
23 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 193,651193.7k $1.4m $1.4m 0.00% New
24 Hudson Bay Capital Management LP 0.01% of their portfolio STAMFORD, CT 164,529164.5k $1.2m $1.2m 0.01% New
25 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 129,600129.6k $953.2k $953.2k 0.00% Unchanged
26 Schonfeld Strategic Advisors LLC 0.01% of their portfolio NEW YORK, NY 127,111127.1k $935.5k $935.5k 0.01% Added +70.1k +70,087
27 HRT FINANCIAL LP 0.01% of their portfolio NEW YORK, NY 117,732117.7k $866.0k $866.0k 0.01% New
28 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 89,63589.6k $659.7k $659.7k 0.00% Reduced -22.7k -22,691
29 Penn Capital Management Company, LLC 0.06% of their portfolio PHILADELPHIA, PA 87,63087.6k $645.0k $645.0k 0.06% Added +46.3k +46,276
30 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 87,41787.4k $643.4k $643.4k 0.00% Added +43.5k +43,451
31 Diametric Capital, LP 0.72% of their portfolio BOSTON, MA 82,79682.8k $609.4k $609.4k 0.72% Added +37.2k +37,207
32 Shay Capital LLC 0.17% of their portfolio NEW YORK, NY 81,00081.0k $596.2k $596.2k 0.17% Reduced -34.0k -34,000
33 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 79,85379.9k $587.7k $587.7k 0.00% Reduced -55.0k -54,990
34 Interval Partners, LP 0.02% of their portfolio NEW YORK, NY 79,45679.5k $584.8k $584.8k 0.02% New
35 BlackRock, Inc. 0.00% of their portfolio New York, NY 73,40373.4k $540.2k $540.2k 0.00% Reduced -2.4k -2,365
36 Kazazian Asset Management, LLC 0.35% of their portfolio FORT LAUDERDALE, FL 57,30057.3k $421.7k $421.7k 0.35% New
37 Atom Investors LP 0.05% of their portfolio AUSTIN, TX 54,48554.5k $401.0k $401.0k 0.05% Added +423 +423
38 Jain Global LLC 0.01% of their portfolio NEW YORK, NY 49,70849.7k $365.9k $365.9k 0.01% New
39 Boston Partners 0.00% of their portfolio BOSTON, MA 49,10549.1k $361.4k $361.4k 0.00% New
40 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 47,92647.9k $352.7k $352.7k 0.00% Added +42.6k +42,586
41 PRELUDE CAPITAL MANAGEMENT, LLC 0.04% of their portfolio NEW YORK, NY 47,36847.4k $348.6k $348.6k 0.04% Reduced -134.7k -134,689
42 OMERS ADMINISTRATION Corp 0.00% of their portfolio TORONTO, A6 46,70046.7k $343.7k $343.7k 0.00% Added +14.9k +14,900
43 CIBC Private Wealth Group LLC 0.00% of their portfolio ATLANTA, GA 42,92442.9k $235.7k $235.7k 0.00% New
44 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 40,26540.3k $296.4k $296.4k 0.00% New
45 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 36,91036.9k $271.7k $271.7k 0.00% Reduced -11.1k -11,105
46 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 36,60036.6k $269.4k $269.4k 0.00% Unchanged
47 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 35,02935.0k $257.8k $257.8k 0.00% New
48 LMR Partners LLP 0.00% of their portfolio LONDON, X0 32,08632.1k $236.2k $236.2k 0.00% New
49 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 31,93531.9k $235.0k $235.0k 0.00% New
50 Quantessence Capital LLC 0.04% of their portfolio NEW YORK, NY 24,33924.3k $179.1k $179.1k 0.04% New
51 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 23,53923.5k $173.2k $173.2k 0.00% Reduced -19.0k -19,017
52 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 20,28720.3k $149.3k $149.3k 0.00% New
53 BLUEFIN CAPITAL MANAGEMENT, LLC 0.11% of their portfolio NEW YORK, NY 18,60118.6k $136.9k $136.9k 0.11% First filing
54 Jump Financial, LLC 0.00% of their portfolio Chicago, IL 18,11318.1k $133.3k $133.3k 0.00% New
55 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 15,70015.7k $115.6k $115.6k 0.00% Added +1.5k +1,500
56 XTX Topco Ltd 0.01% of their portfolio LONDON, X0 15,59715.6k $114.8k $114.8k 0.01% New
57 PICKERING ENERGY PARTNERS LP 1.62% of their portfolio HOUSTON, TX 15,00015.0k $110.4k $110.4k 1.62% Reduced -25.0k -25,000
58 Catalyst Funds Management Pty Ltd 0.03% of their portfolio SYDNEY NSW, C3 14,40014.4k $106.0k $106.0k 0.03% New
59 Y-Intercept (Hong Kong) Ltd 0.01% of their portfolio HONG KONG, K3 12,54412.5k $92.3k $92.3k 0.01% New
60 Trexquant Investment LP 0.00% of their portfolio STAMFORD, CT 12,05512.1k $88.7k $88.7k 0.00% New
61 CAPSTONE INVESTMENT ADVISORS, LLC 0.00% of their portfolio NEW YORK, NY 11,76411.8k $86.6k $86.6k 0.00% New
62 EntryPoint Capital, LLC 0.04% of their portfolio NEW YORK, NY 11,00011.0k $81.0k $81.0k 0.04% New
63 ROBOTTI ROBERT 0.01% of their portfolio NEW YORK, NY 10,00010.0k $73.6k $73.6k 0.01% Unchanged
64 TD Waterhouse Canada Inc. 0.00% of their portfolio TORONTO, A6 9,9009.9k $73.8k $73.8k 0.00% Unchanged
65 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 9,0029.0k $66.3k $66.3k 0.00% First filing
66 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 8,5838.6k $63.2k $63.2k 0.00% Reduced -36.3k -36,270
67 NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio MONTREAL, A8 7,8007.8k $57.3k $57.3k 0.00% Reduced -500 -500
68 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 6,8696.9k $48.0k $48.0k 0.00% New
69 WOLVERINE ASSET MANAGEMENT LLC 0.00% of their portfolio CHICAGO, IL 1,9001.9k $14.0k $14.0k 0.00% New
70 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 1,3001.3k $9.6k $9.6k 0.00% Unchanged
71 QUADRANT CAPITAL GROUP LLC 0.00% of their portfolio CINCINNATI, OH 953953 $7.0k $7.0k 0.00% Unchanged
72 Parallel Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 856856 $6.3k $6.3k 0.00% Unchanged
73 Lindbrook Capital, LLC 0.00% of their portfolio CALABASAS, CA 820820 $6.0k $6.0k 0.00% Unchanged
74 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 520520 $4.0k $4.0k 0.00% Added +446 +446
75 SIGNATUREFD, LLC 0.00% of their portfolio ATLANTA, GA 451451 $3.3k $3.3k 0.00% Reduced -129 -129
76 Smartleaf Asset Management LLC 0.00% of their portfolio BOSTON, MA 243243 $1.8k $1.8k 0.00% Unchanged
77 SBI Securities Co., Ltd. 0.00% of their portfolio TOKYO, M0 105105 $773 $773 0.00% Unchanged
78 HighMark Wealth Management LLC 0.00% of their portfolio ST. PAUL, MN 100100 $736 $736 0.00% Unchanged
79 Farther Finance Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 22 $15 $15 0.00% New
80 CONCOURSE FINANCIAL GROUP SECURITIES, INC. — of their portfolio BIRMINGHAM, AL 00 $0 $0 — Unchanged