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AdvisorCensus / Financial advisors / Massachusetts / Boston / Loomis, Sayles & Company, L.P.

Loomis, Sayles & Company, L.P.

Boston, MASEC-registered investment adviserCRD 105377

Filed as LOOMIS, SAYLES & COMPANY, L.P.

Loomis, Sayles & Company, L.P. is an SEC-registered investment advisory firm in Boston, MA, registered since 1977, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated July 1, 2026.

49 years
registered since 1977
$386,881,827,641
assets under management
3 arrangements
Percentage of assets, Performance-based and more
3
disclosure items (Item 11)

Quick answers

From the filing

How is Loomis, Sayles & Company, L.P. compensated?

On its Form ADV (Item 5.E, October 2026), Loomis, Sayles & Company, L.P. reports these compensation arrangements: a percentage of assets under its management; performance-based fees; other.

Where is Loomis, Sayles & Company, L.P. located?

Loomis, Sayles & Company, L.P.'s principal office is in Boston, MA, according to its Form ADV; the August 2026 filing also lists 6 other offices (Schedule D, Section 1.F).

Is Loomis, Sayles & Company, L.P. registered with the SEC or a state?

Loomis, Sayles & Company, L.P. is an SEC-registered investment advisory firm, registered since 1977. Status as filed: Approved. CRD 105377.

How much does Loomis, Sayles & Company, L.P. manage?

Loomis, Sayles & Company, L.P. reports $386,881,827,641 in regulatory assets under management in its Form ADV filing dated July 1, 2026 (92% discretionary).

How have Loomis, Sayles & Company, L.P.'s assets and staff changed since 2021?

In the Form ADV data for Loomis, Sayles & Company, L.P.: Regulatory assets under management: $319,356,407,700 in the October 2021 data and $386,881,827,641 in the October 2026 data, up 21%. Total employees: 692 in October 2021 and 728 in October 2026. Assets under management move with markets as well as with clients coming and going.

What types of clients does Loomis, Sayles & Company, L.P. serve?

By number of clients on Form ADV Item 5.D: high net worth individuals (22,662); corporations or other businesses not listed above (672); pension and profit sharing plans (but not the plan participants or government pension plans) (385).

Which custodians does Loomis, Sayles & Company, L.P. use?

Loomis, Sayles & Company, L.P.'s most recent Form ADV filing (Schedule D, Section 5.K(3)) lists State Street Bank and Trust Company, The Bank of New York Mellon and The Northern Trust Company as custodians holding 10% or more of its separately managed account assets.

Does Loomis, Sayles & Company, L.P. report any disciplinary disclosures?

Reports 3 disclosure items on Form ADV Item 11: yes answers to 11.A(1) (felony conviction or plea in the past ten years), 11.C(2) (SEC or CFTC finding of a violation), and 11.C(5) (SEC or CFTC civil money penalty or cease-and-desist order). 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/105377

What changed in Loomis, Sayles & Company, L.P.'s recent Form ADV filings?

In the April 2026 filing data: Employees performing advisory functions went from 729 to 728. Regulatory assets under management went from $350,888,326,513 to $386,881,827,641 (+10%). Changed its office addresses in Gaithersburg, MD. Added an office in Marshall, VA. No longer lists an office in Middleburg, VA.

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
  • Other

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

The brochure lists different fees for different services or strategies. See the firm's brochure (dated July 1, 2026) for its fees and any account minimum, on the SEC's IAPD site.

Regulatory assets under management

Item 5.F
$386,881,827,641

$386,881,827,641 as of October 2026, filing dated July 1, 2026.

Discretionary: $355,765,556,066.Non-discretionary: $31,116,271,575.

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 22,662 Assets $12,819,212,816 (3%)
Banking or thrift institutions
Clients 0 Assets $0 (0%)
Investment companies
Clients 67 Assets $103,916,901,833 (27%)
Business development companies
Clients 0 Assets $0 (0%)
Pooled investment vehicles (other than investment companies and business development companies)
Clients 115 Assets $58,908,194,633 (15%)
Pension and profit sharing plans (but not the plan participants or government pension plans)
Clients 385 Assets $67,998,677,503 (18%)
Charitable organizations
Clients 293 Assets $2,222,381,254 (1%)
State or municipal government entities (including government pension plans)
Clients 171 Assets $45,621,376,736 (12%)
Other investment advisers
Clients 3 Assets $102,259,934 (0%)
Insurance companies
Clients 230 Assets $20,406,520,222 (5%)
Sovereign wealth funds and foreign official institutions
Clients 9 Assets $20,467,372,081 (5%)
Corporations or other businesses not listed above
Clients 672 Assets $23,132,948,963 (6%)
Other
Clients 68 Assets $31,285,981,666 (8%)

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
  • Other

Registration and firm details

Items 1, 2, 5
Registration
SEC-registered investment adviser. Status as filed: Approved.
Registered since
1977 (49 years)
Employees
Total: 728. Performing investment advisory functions: 728.
Wrap fee program participation
Yes.
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)
6 other offices, as of the August 2026 filing
Bloomfield Hills, MIGaithersburg, MDMarshall, VAMinneapolis, MNOakbrook Terrace, ILOrinda, CA
States registered or notice-filed
52 states or jurisdictions
AKALARAZCACOCTDCDEFLGAHIIAIDILINKSKYLAMAMDMEMIMNMOMSMTNCNDNENHNJNMNVNYOHOKORPAPRRISCSDTNTXUTVAVTWAWIWVWY

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

Criminal matters Items 11.A and 11.B

  • 11.A(1) In the past ten years, has the firm or an advisory affiliate been convicted of, or pleaded guilty or no contest to, a felony?

Regulatory matters Items 11.C to 11.G

  • 11.C(2) Has the SEC or the CFTC ever found that the firm or an advisory affiliate was involved in a violation of SEC or CFTC regulations or statutes?
  • 11.C(5) Has the SEC or the CFTC ever imposed a civil money penalty on the firm or an advisory affiliate, or ordered the firm or an advisory affiliate to cease and desist from an activity?

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
$319B 2021 $330B 2022 $254B 2023 $301B 2024 $351B 2025 $387B 2026
Data periodAssets under managementEmployeesFiling dated
October 2026$386,881,827,641728July 1, 2026
October 2025$350,888,326,513729March 31, 2025
October 2024$301,378,322,996722July 3, 2024
October 2023$254,158,838,705717June 23, 2023
October 2022$329,969,162,140702September 26, 2022
October 2021$319,356,407,700692July 11, 2021

Regulatory assets under management: $319,356,407,700 in the October 2021 data and $386,881,827,641 in the October 2026 data, up 21%.

Total employees: 692 in October 2021 and 728 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
    • Employees performing advisory functions went from 729 to 728.
    • Regulatory assets under management went from $350,888,326,513 to $386,881,827,641 (+10%).
    • Changed its office addresses in Gaithersburg, MD.
    • Added an office in Marshall, VA.
    • No longer lists an office in Middleburg, VA.

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
blog.loomissayles.comloomissayles.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. Loomis, Sayles & Company, L.P. (CRD 105377): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/loomis-sayles-and-company-l-p-boston-ma-105377