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Ellington Management Group, L.L.C.

Old Greenwich, CTSEC-registered investment adviserCRD 112493

Filed as ELLINGTON MANAGEMENT GROUP, L.L.C.

Ellington Management Group, L.L.C. is an SEC-registered investment advisory firm in Old Greenwich, CT, registered since 1999, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated August 14, 2026.

27 years
registered since 1999
$20,757,004,631
assets under management
2 arrangements
Percentage of assets, Performance-based
None
disclosure items (Item 11)

Quick answers

From the filing

How is Ellington Management Group, L.L.C. compensated?

On its Form ADV (Item 5.E, October 2026), Ellington Management Group, L.L.C. reports these compensation arrangements: a percentage of assets under its management; performance-based fees.

Where is Ellington Management Group, L.L.C. located?

Ellington Management Group, L.L.C.'s principal office is in Old Greenwich, CT, according to its Form ADV; the September 2026 filing also lists 2 other offices (Schedule D, Section 1.F).

Is Ellington Management Group, L.L.C. registered with the SEC or a state?

Ellington Management Group, L.L.C. is an SEC-registered investment advisory firm, registered since 1999. Status as filed: Approved. CRD 112493.

How much does Ellington Management Group, L.L.C. manage?

Ellington Management Group, L.L.C. reports $20,757,004,631 in regulatory assets under management in its Form ADV filing dated August 14, 2026 (87% discretionary).

How have Ellington Management Group, L.L.C.'s assets and staff changed since 2021?

In the Form ADV data for Ellington Management Group, L.L.C.: Regulatory assets under management: $15,387,579,581 in the October 2021 data and $20,757,004,631 in the October 2026 data, up 35%. Total employees: 142 in October 2021 and 164 in October 2026. Assets under management move with markets as well as with clients coming and going.

What types of clients does Ellington Management Group, L.L.C. serve?

By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (25); other investment advisers (6); state or municipal government entities (including government pension plans) (1).

Which custodians does Ellington Management Group, L.L.C. use?

Ellington Management Group, L.L.C.'s most recent Form ADV filing (Schedule D, Section 5.K(3)) lists The Bank of New York Mellon as a custodian holding 10% or more of its separately managed account assets.

Does Ellington Management Group, L.L.C. report any disciplinary disclosures?

Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/112493

What changed in Ellington Management Group, L.L.C.'s recent Form ADV filings?

In the April 2026 filing data: Regulatory assets under management went from $12,283,274,750 to $20,757,004,631 (+69%). Updated its list of owners and control persons (Schedule A).

From the Form ADV filing

Every figure below is as the firm filed it with regulators, as of October 2026.

How the firm is compensated

Item 5.E
  • A percentage of assets under your management
  • Performance-based fees

Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ

Fees and minimums

Form ADV Part 2A

See the firm's brochure (dated March 30, 2026) for its fees and any account minimum, on the SEC's IAPD site.

Regulatory assets under management

Item 5.F
$20,757,004,631

$20,757,004,631 as of October 2026, filing dated August 14, 2026.

Discretionary: $18,075,481,234.Non-discretionary: $2,681,523,397.

A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means

Who the firm serves

Item 5.D
Pooled investment vehicles (other than investment companies and business development companies)
Clients 25 Assets $10,900,330,676 (53%)
State or municipal government entities (including government pension plans)
Clients 1 Assets $786,851,069 (4%)
Other investment advisers
Clients 6 Assets $2,681,523,397 (13%)
Sovereign wealth funds and foreign official institutions
Clients 1 Assets $6,388,299,489 (31%)

A firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.

Advisory services

Item 5.G
  • Portfolio management for pooled investment vehicles (other than investment companies)
  • Portfolio management for businesses (other than small businesses) or institutional clients

Registration and firm details

Items 1, 2, 5
Registration
SEC-registered investment adviser. Status as filed: Approved.
Registered since
1999 (27 years)
Employees
Total: 164. Performing investment advisory functions: 68.
Wrap fee program participation
No.
Custodians (Schedule D, Section 5.K(3))

Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.

Other offices (Schedule D, Section 1.F)
2 other offices, as of the September 2026 filing
LondonNew York, NY
States registered or notice-filed
2 states or jurisdictions
CTNY

SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration

Disclosures

Item 11

None Reports no disclosure items on Form ADV Item 11. View on IAPD.

Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures

Assets and staff over time

Items 5.A, 5.F
$15.4B 2021 $13.3B 2022 $10.9B 2023 $10.1B 2024 $12.3B 2025 $20.8B 2026
Data periodAssets under managementEmployeesFiling dated
October 2026$20,757,004,631164August 14, 2026
October 2025$12,283,274,750160March 31, 2025
October 2024$10,127,384,993162August 27, 2024
October 2023$10,894,131,111162July 20, 2023
October 2022$13,258,868,505173May 20, 2022
October 2021$15,387,579,581142May 26, 2021

Regulatory assets under management: $15,387,579,581 in the October 2021 data and $20,757,004,631 in the October 2026 data, up 35%.

Total employees: 142 in October 2021 and 164 in October 2026.

As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.

Changes in the filing

Last 12 months
  1. April 2026
    • Regulatory assets under management went from $12,283,274,750 to $20,757,004,631 (+69%).
    • Updated its list of owners and control persons (Schedule A).

Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.

Websites listed on Form ADV

Item 1.I
ellington.com

Source: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."

Cite this page

AdvisorCensus. Ellington Management Group, L.L.C. (CRD 112493): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/ellington-management-group-l-l-c-old-greenwich-ct-112493