Grantham Mayo Van Otterloo & Co LLC is an SEC registered investment adviser organized as a limited liability company with a primary office location in Boston, MA. Its latest Form ADV filing, dated March 31, 2026, reports $81.0B in regulatory assets under management, 365 employees, and 170 accounts.
Assets Under Management
$81.0B
Employees
365
Offices
--
Total Clients
170
Primary office
BOSTON, MA
53 STATE STREET, FLOOR 33, BOSTON, MA, United States
Top client segmentPooled Investment Vehicles represent 31.2% of total clients.
Top client categories% of clientsClients
1
Pooled Investment Vehicles
31.2%
53
2
Investment Cos.
23.5%
40
3
Charitable
9.4%
16
4
VARIOUS, NOT DESCRIBED ABOVE
9.4%
16
5
Pension Plans
8.8%
15
Regulatory Assets Under Management Breakdown
Total regulatory assets under management$81.0Bas of March 31, 2026
Discretionary98.1%
$79.4B
98% of total RAUM98.1%
Non-discretionary1.9%
$1.6B
2% of total RAUM1.9%
Regulatory assets under management are split between discretionary and non-discretionary assets.
Assets under management Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Latest AUM$81.0B
Total Accounts170
10Y AUM Change+$6.0B (+8.0%)
Employee Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Total Employees365
Clients per Employee0:1
10Y Employee Change-122 (-25.1%)
* Metrics are based on the latest available data, including Form ADV filings, brochures, and relationship summaries pulled from the SEC IAPD, and may be subject to change. Learn what is included in the Rialytix data. Please refer to the firm's official disclosures for the most accurate information using their CRD number. This is not investment advice.