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Grantham Mayo van Otterloo & Co LLC

Boston, MASEC-registered investment adviserCRD 106220

Filed as GRANTHAM MAYO VAN OTTERLOO & CO LLC

Grantham Mayo van Otterloo & Co LLC is an SEC-registered investment advisory firm in Boston, MA, registered since 1979, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated May 11, 2026.

46 years
registered since 1979
$80,973,395,281
assets under management
2 arrangements
Percentage of assets, Performance-based
3
disclosure items (Item 11)

Quick answers

From the filing

How is Grantham Mayo van Otterloo & Co LLC compensated?

On its Form ADV (Item 5.E, October 2026), Grantham Mayo van Otterloo & Co LLC reports these compensation arrangements: a percentage of assets under its management; performance-based fees.

How much does Grantham Mayo van Otterloo & Co LLC charge?

Its Form ADV Part 2A brochure dated March 31, 2026 states: Asset-based fee: 0.18% to 1% a year (a range, as the brochure states it). Fees can differ by service and may be negotiable; the brochure is the complete statement.

Where is Grantham Mayo van Otterloo & Co LLC located?

Grantham Mayo van Otterloo & Co LLC's principal office is in Boston, MA, according to its Form ADV.

Is Grantham Mayo van Otterloo & Co LLC registered with the SEC or a state?

Grantham Mayo van Otterloo & Co LLC is an SEC-registered investment advisory firm, registered since 1979. Status as filed: Approved. CRD 106220.

How much does Grantham Mayo van Otterloo & Co LLC manage?

Grantham Mayo van Otterloo & Co LLC reports $80,973,395,281 in regulatory assets under management in its Form ADV filing dated May 11, 2026 (98% discretionary).

How have Grantham Mayo van Otterloo & Co LLC's assets and staff changed since 2021?

In the Form ADV data for Grantham Mayo van Otterloo & Co LLC: Regulatory assets under management: $63,850,039,853 in the October 2021 data and $80,973,395,281 in the October 2026 data, up 27%. Total employees: 399 in October 2021 and 365 in October 2026. Assets under management move with markets as well as with clients coming and going.

What types of clients does Grantham Mayo van Otterloo & Co LLC serve?

By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (53); investment companies (40); charitable organizations (16).

Which custodians does Grantham Mayo van Otterloo & Co LLC use?

Grantham Mayo van Otterloo & Co LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists CIBC Mellon Trust Company, State Street Bank and Trust Company, State Street Bank and Trust Company - Hong Kong Branch, State Street Bank and Trust Company - Singapore Branch, State Street Cayman Trust Company, Ltd., State Street International (Ireland) Limited, State Street Trust Company Canada, State Street Trustees Limited, Street Bank and Trust Company - Tokyo Branch, The Bank of New York Mellon and The Bank of New York Mellon - London Branch as custodians holding 10% or more of its separately managed account assets.

Does Grantham Mayo van Otterloo & Co LLC report any disciplinary disclosures?

Reports 3 disclosure items on Form ADV Item 11: yes answers to 11.D(2) (another regulator's finding of a violation), 11.D(4) (another regulator's order in the past ten years), and 11.E(2) (self-regulatory organization's finding of a rule violation). Each question covers the firm and its advisory affiliates, and one event can produce several yes answers. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/106220

What changed in Grantham Mayo van Otterloo & Co LLC's recent Form ADV filings?

In the June 2026 filing data: 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

Asset-based fee: 0.18% to 1% a year (a range, as the brochure states it)

The brochure's wording
The asset-based fees paid to GMO by clients with discretionary separately managed accounts generally range from 0.18% to 1.00%.

As stated in the firm's Form ADV Part 2A brochure dated March 31, 2026. Fees can differ by service and may be negotiable; the brochure is the complete statement. Read the brochure on the SEC's IAPD site

Regulatory assets under management

Item 5.F
$80,973,395,281

$80,973,395,281 as of October 2026, filing dated May 11, 2026.

Discretionary: $79,405,584,348.Non-discretionary: $1,567,810,933.

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
Individuals (other than high net worth individuals)
Clients 0 Assets $0 (0%)
High net worth individuals
Clients 0 Assets $0 (0%)
Banking or thrift institutions
Clients 0 Assets $0 (0%)
Investment companies
Clients 40 Assets $19,052,563,596 (24%)
Business development companies
Clients 0 Assets $0 (0%)
Pooled investment vehicles (other than investment companies and business development companies)
Clients 53 Assets $25,244,646,764 (31%)
Pension and profit sharing plans (but not the plan participants or government pension plans)
Clients 15 Assets $7,144,711,348 (9%)
Charitable organizations
Clients 16 Assets $7,621,025,438 (9%)
State or municipal government entities (including government pension plans)
Clients 9 Assets $4,286,826,809 (5%)
Other investment advisers
Clients 7 Assets $3,334,198,629 (4%)
Insurance companies
Clients 1 Assets $476,314,090 (1%)
Sovereign wealth funds and foreign official institutions
Clients 0 Assets $0 (0%)
Corporations or other businesses not listed above
Clients 13 Assets $6,192,083,169 (8%)
Other
Clients 16 Assets $7,621,025,438 (9%)

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 individuals and/or small businesses
  • Portfolio management for investment companies (and business development companies)
  • Portfolio management for pooled investment vehicles (other than investment companies)
  • Portfolio management for businesses (other than small businesses) or institutional clients
  • Pension consulting services
  • Selection of other advisers (including private fund managers)
  • Publication of periodicals or newsletters
  • Educational seminars/workshops

Registration and firm details

Items 1, 2, 5
Also doing business as
GMO, GMO LLC
Registration
SEC-registered investment adviser. Status as filed: Approved.
Registered since
1979 (46 years)
Employees
Total: 365. Performing investment advisory functions: 91.
Wrap fee program participation
No.
Custodians (Schedule D, Section 5.K(3))
CIBC Mellon Trust CompanyState Street Bank and Trust CompanyState Street Bank and Trust Company - Hong Kong BranchState Street Bank and Trust Company - Singapore BranchState Street Cayman Trust Company, Ltd.State Street International (Ireland) LimitedState Street Trust Company CanadaState Street Trustees LimitedStreet Bank and Trust Company - Tokyo BranchThe Bank of New York MellonThe Bank of New York Mellon - London Branch

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.

States registered or notice-filed
2 states or jurisdictions
CAMA

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

Disclosures

Item 11

3 Reports 3 disclosure items on Form ADV Item 11. View on IAPD.

Questions answered yes on this filing

Regulatory matters Items 11.C to 11.G

  • 11.D(2) Has another federal regulator, a state regulator, or a foreign financial regulator ever found that the firm or an advisory affiliate was involved in a violation of investment-related regulations or statutes?
  • 11.D(4) In the past ten years, has another federal regulator, a state regulator, or a foreign financial regulator entered an order against the firm or an advisory affiliate in connection with investment-related activity?
  • 11.E(2) Has a self-regulatory organization or a commodities exchange ever found that the firm or an advisory affiliate was involved in a violation of its rules, other than a minor rule violation under a plan the SEC approved?

Each question covers the firm and its advisory affiliates: its current employees other than clerical staff, its officers, partners, and directors, and anyone who controls the firm or is controlled by it. One event can produce yes answers to several questions. SEC-registered advisers and exempt reporting advisers may leave out events more than ten years old, and may answer 11.A(2) and 11.B(2) for pending charges only. What happened, and who was involved, is on the Disclosure Reporting Pages of the IAPD record. Reading a firm's disclosures

Assets and staff over time

Items 5.A, 5.F
$63.9B 2021 $71.9B 2022 $60.8B 2023 $63.4B 2024 $68.6B 2025 $81B 2026
Data periodAssets under managementEmployeesFiling dated
October 2026$80,973,395,281365May 11, 2026
October 2025$68,645,419,782361June 30, 2025
October 2024$63,392,391,637369August 21, 2024
October 2023$60,835,958,170367May 9, 2023
October 2022$71,875,018,352396March 30, 2022
October 2021$63,850,039,853399July 8, 2021

Regulatory assets under management: $63,850,039,853 in the October 2021 data and $80,973,395,281 in the October 2026 data, up 27%.

Total employees: 399 in October 2021 and 365 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. June 2026
    • Updated its list of owners and control persons (Schedule A).
  2. April 2026
    • Employees performing advisory functions went from 86 to 91.
    • Regulatory assets under management went from $68,645,419,782 to $80,973,395,281 (+18%).
    • 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
gmo.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. Grantham Mayo van Otterloo & Co LLC (CRD 106220): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/grantham-mayo-van-otterloo-and-co-llc-boston-ma-106220