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FRONTIER CAPITAL MANAGEMENT CO LLC
CRD 106274File 801-15724
APPROVED
Custody
Filing as of Mar 31, 2026
Feed vintage Aug 17, 2026
Regulatory AUM
$9.60B
Top 10% of cohort (national)
Discretionary AUM
$9.60B
Clients
34
55 accounts
Employees
38
Top 25% of cohort in MA
Identity & registration
ADV Item 1- Organization form
- Limited Liability Company
- Firm type
- Registered
- SEC region
- BRO
- Registration date
- Jan 14, 1981
- Principal office
- 99 SUMMER STREET, BOSTON, MA, 02110
- Phone
- (617) 261-0777
- Website
- HTTP://WWW.FRONTIERCAP.COM
Assets & accounts
ADV Item 5F- Total regulatory AUM
- $9.60B
- Discretionary AUM
- $9.60B
- Non-discretionary AUM
- $0
- Discretionary accounts
- 55
- Non-discretionary accounts
- 0
- Total accounts
- 55
- AUM per client
- $282.3M
Clients by type
ADV Item 5D| Client type | Clients | AUM |
|---|---|---|
| Other | Fewer than 5 | $480.5M |
| Non-U.S. persons | Fewer than 5 | $238.7M |
| Investment companies | 5 | $2.47B |
| Charitable organizations | Fewer than 5 | $99.0M |
| Other investment advisers | Fewer than 5 | $22.9M |
| Pooled investment vehicles | 7 | $706.0M |
| Pension and profit sharing plans | 9 | $1.64B |
| State or municipal government entities | 13 | $3.93B |
Compensation & activities
ADV Items 5E, 5GCompensation
- Performance-based fees
- A percentage of assets under your management
Advisory activities
- Portfolio management for businesses
- Portfolio management for investment companies
- Portfolio management for pooled investment vehicles
- Portfolio management for individuals and/or small businesses
Custody
ADV Item 9- Firm Custody Cash
- Yes
- Firm Custody Assets
- No
- Firm Custody Clients
- No
- Firm Custody Securities
- Yes
- Related Person Custody Cash
- No
- Related Person Custody Assets
- No
- Related Person Custody Clients
- No
- Related Person Custody Securities
- Yes
Disclosure events
ADV Item 11This firm answered no to every Item 11 disclosure question in this filing.
Filed changes
| Date | Field | From | To |
|---|---|---|---|
| Aug 12, 2026 | Registration | — | APPROVED |
Every value above is reproduced from this firm's Form ADV filing. Fields the firm left blank are shown as “Not reported” rather than filled in from other sources.