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Institutional Ownership · SEC Form 13F

Who owns National Energy Services Reunited (NESR)


Which tracked institutional funds hold NESR, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See NESR company fundamentals →

Ownership as of the 2026-Q2 13F filings (latest filed 2026-09-22). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.

218
Institutional holders
65M
Shares held (tracked funds)
64.3%
Of shares outstanding

How the tape is positioned

108 tracked funds added or opened NESR while 39 trimmed or exited it between 2026-Q1 and 2026-Q2 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.

A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.

Conviction spread

NESR’s largest tracked holder by dollar value, FMR LLC, sizes it at 0.0% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 0.0pp conviction gap — its largest holder concentrates the name more heavily than the typical one.

Book-share is each fund’s reported value in NESR divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.

Institutional & insider positioning

Between 2026-Q1 and 2026-Q2, across 218 tracked filers holding NESR, 143 increased or opened the position and 96 reduced or closed it; over the same quarter, open-market insider Form 4s were net sales.

This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.

New buyers & exits

Funds opening or closing a position in NESR between the 2026-Q1 and 2026-Q2 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.

New buyers 27

  • NORGES BANK$21M
  • VANGUARD CAPITAL MANAGEMENT LLC$20M
  • RENAISSANCE TECHNOLOGIES LLC$7M
  • Alberta Investment Management Corp$6M
  • READYSTATE ASSET MANAGEMENT LP$6M
  • NAVELLIER & ASSOCIATES INC$5M

Full exits 16

  • T. Rowe Price Investment Management, Inc.$70M
  • SCF Partners, Inc.$32M
  • Walleye Capital LLC$19M
  • ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$18M
  • HRT FINANCIAL LP$18M
  • SummitTX Capital, L.P.$9M

Largest adds

  • FMR LLC$131M
  • BlackRock, Inc.$66M
  • DIMENSIONAL FUND ADVISORS LP$47M
  • Alyeska Investment Group, L.P.$46M
  • VOYA INVESTMENT MANAGEMENT LLC$44M
  • Holocene Advisors, LP$35M

Largest trims

  • Point72 Asset Management, L.P.$14M
  • Qube Research & Technologies Ltd$13M
  • BARCLAYS PLC$11M
  • JPMORGAN CHASE & CO$10M
  • Trexquant Investment LP$9M
  • VAN ECK ASSOCIATES CORP$8M

Institutional holders

One row per tracked fund, most shares held first (every row is from one quarter; reported value breaks ties). “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding.

FundSharesReported value% of valueQuarter
FMR LLC added10,918,231$327M17.3%2026-Q2
BlackRock, Inc. added4,847,106$145M7.7%2026-Q2
Encompass Capital Advisors LLC trimmed3,102,538$93M4.9%2026-Q2
DIMENSIONAL FUND ADVISORS LP added2,976,034$89M4.7%2026-Q2
Boston Partners trimmed2,140,325$64M3.4%2026-Q2
Alyeska Investment Group, L.P. added1,912,961$57M3.0%2026-Q2
Holocene Advisors, LP added1,844,619$55M2.9%2026-Q2
GEODE CAPITAL MANAGEMENT, LLC added1,807,629$54M2.9%2026-Q2
AMERIPRISE FINANCIAL INC added1,724,379$52M2.7%2026-Q2
GOLDMAN SACHS GROUP INC added1,694,314$51M2.7%2026-Q2
DODGE & COX trimmed1,595,994$48M2.5%2026-Q2
CITADEL ADVISORS LLC added1,540,888$46M2.4%2026-Q2
VOYA INVESTMENT MANAGEMENT LLC added1,477,163$44M2.3%2026-Q2
STATE STREET CORP added1,422,960$43M2.3%2026-Q2
VANGUARD PORTFOLIO MANAGEMENT LLC added1,265,571$38M2.0%2026-Q2
Nuveen, LLC added1,231,993$37M1.9%2026-Q2
MILLENNIUM MANAGEMENT LLC added1,227,885$37M1.9%2026-Q2
JACOBS LEVY EQUITY MANAGEMENT, INC added1,181,631$35M1.9%2026-Q2
MORGAN STANLEY added1,160,714$35M1.8%2026-Q2
GeoSphere Capital Management, LLC added799,578$24M1.3%2026-Q2
UBS Group AG added795,490$24M1.3%2026-Q2
AQR CAPITAL MANAGEMENT LLC added775,990$23M1.2%2026-Q2
BRIDGEWAY CAPITAL MANAGEMENT, LLC added745,307$22M1.2%2026-Q2
NORGES BANK new698,200$21M1.1%2026-Q2
VANGUARD CAPITAL MANAGEMENT LLC new682,024$20M1.1%2026-Q2
Occam Crest Management LP trimmed658,477$16M0.8%2026-Q2
JPMORGAN CHASE & CO trimmed629,061$18M0.9%2026-Q2
NORTHERN TRUST CORP added541,069$16M0.9%2026-Q2
CHARLES SCHWAB INVESTMENT MANAGEMENT INC added520,012$16M0.8%2026-Q2
Empowered Funds, LLC added503,157$15M0.8%2026-Q2
Russell Investments Group, Ltd. trimmed500,492$15M0.8%2026-Q2
Squarepoint Ops LLC added476,608$14M0.8%2026-Q2
JANE STREET GROUP, LLC trimmed453,625$14M0.7%2026-Q2
PRUDENTIAL FINANCIAL INC added430,629$13M0.7%2026-Q2
BANK OF AMERICA CORP /DE/ trimmed409,114$12M0.6%2026-Q2
Phocas Financial Corp. trimmed393,666$12M0.6%2026-Q2
VANGUARD FIDUCIARY TRUST CO added380,697$11M0.6%2026-Q2
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND added375,363$11M0.6%2026-Q2
LMR Partners LLP added296,872$9M0.5%2026-Q2
CITIGROUP INC trimmed276,338$8M0.4%2026-Q2
Aventail Capital Group, LP added249,187$7M0.4%2026-Q2
RENAISSANCE TECHNOLOGIES LLC new239,139$7M0.4%2026-Q2
Informed Momentum Co LLC trimmed233,512$7M0.4%2026-Q2
IRIDIAN ASSET MANAGEMENT LLC/CT trimmed227,266$7M0.4%2026-Q2
AMERICAN CENTURY COMPANIES INC added225,438$7M0.4%2026-Q2
CenterBook Partners LP trimmed222,893$7M0.4%2026-Q2
Invesco Ltd. trimmed218,044$7M0.3%2026-Q2
Point72 Asset Management, L.P. trimmed214,147$6M0.3%2026-Q2
Alberta Investment Management Corp new207,000$6M0.3%2026-Q2
ExodusPoint Capital Management, LP added205,935$6M0.3%2026-Q2
READYSTATE ASSET MANAGEMENT LP new191,241$6M0.3%2026-Q2
Oxbow Advisors, LLC added180,621$5M0.3%2026-Q2
Oceanic Investment Management LTD added180,352$5M0.3%2026-Q2
Bank of New York Mellon Corp added169,721$5M0.3%2026-Q2
ALLIANCEBERNSTEIN L.P. added164,821$4M0.2%2026-Q2
SUSQUEHANNA INTERNATIONAL GROUP, LLP added158,288$5M0.3%2026-Q2
NAVELLIER & ASSOCIATES INC new151,079$5M0.2%2026-Q2
TUDOR INVESTMENT CORP ET AL added144,952$4M0.2%2026-Q2
ATLANTIC INVESTMENT MANAGEMENT, INC. added140,000$4M0.2%2026-Q2
Trexquant Investment LP trimmed138,610$4M0.2%2026-Q2
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC trimmed135,980$4M0.2%2026-Q2
Swiss National Bank new126,500$4M0.2%2026-Q2
FRANKLIN RESOURCES INC added121,392$4M0.2%2026-Q2
CREDIT AGRICOLE S A120,000$4M0.2%2026-Q2
LAZARD ASSET MANAGEMENT LLC trimmed119,885$4M0.2%2026-Q2
Robeco Institutional Asset Management B.V. new118,382$4M0.2%2026-Q2
PRINCIPAL FINANCIAL GROUP INC added110,410$3M0.2%2026-Q2
RAYMOND JAMES FINANCIAL INC trimmed106,393$3M0.2%2026-Q2
TWO SIGMA INVESTMENTS, LP trimmed100,753$3M0.2%2026-Q2
HITE Hedge Asset Management LLC trimmed97,009$3M0.2%2026-Q2
NEW YORK STATE COMMON RETIREMENT FUND added95,820$3M0.2%2026-Q2
DARK FOREST CAPITAL MANAGEMENT LP new90,753$3M0.1%2026-Q2
EdgePoint Investment Group Inc.89,999$3M0.1%2026-Q2
TD Asset Management Inc trimmed85,640$3M0.1%2026-Q2
HSBC HOLDINGS PLC added84,197$2M0.1%2026-Q2
Verition Fund Management LLC added82,000$2M0.1%2026-Q2
SEI INVESTMENTS CO trimmed79,447$2M0.1%2026-Q2
RHUMBLINE ADVISERS trimmed77,663$2M0.1%2026-Q2
Legal & General Group Plc added76,013$2M0.1%2026-Q2
BOOTHBAY FUND MANAGEMENT, LLC added73,569$2M0.1%2026-Q2
Centiva Capital, LP added73,022$2M0.1%2026-Q2
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM added72,242$2M0.1%2026-Q2
WELLS FARGO & COMPANY/MN added72,195$2M0.1%2026-Q2
BARCLAYS PLC trimmed69,191$2M0.1%2026-Q2
IEQ CAPITAL, LLC trimmed67,888$2M0.1%2026-Q2
XTX Topco Ltd trimmed66,402$2M0.1%2026-Q2
Creative Planning added64,146$2M0.1%2026-Q2
LOS ANGELES CAPITAL MANAGEMENT LLC trimmed61,972$2M0.1%2026-Q2
DEUTSCHE BANK AG\ trimmed61,328$2M0.1%2026-Q2
Calamos Advisors LLC trimmed56,776$2M0.1%2026-Q2
Engineers Gate Manager LP trimmed56,180$2M0.1%2026-Q2
Qube Research & Technologies Ltd trimmed55,205$2M0.1%2026-Q2
ALGERT GLOBAL LLC added55,199$2M0.1%2026-Q2
PRICE T ROWE ASSOCIATES INC /MD/ added51,516$2M0.1%2026-Q2
Penn Capital Management Company, LLC trimmed49,094$1M0.1%2026-Q2
O'SHAUGHNESSY ASSET MANAGEMENT, LLC added48,653$1M0.1%2026-Q2
VICTORY CAPITAL MANAGEMENT INC trimmed47,287$1M0.1%2026-Q2
CIBC Bancorp USA Inc. added46,313$1M0.1%2026-Q2
VANGUARD ASSET MANAGEMENT, Ltd new43,822$1M0.1%2026-Q2
LPL Financial LLC added42,115$1M0.1%2026-Q2

Ownership over time

Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.

HoldersTotal shares

Reading this table

Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.

About 13F filings

A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.

Learn how to read institutional ownership