# American Century Investment Management Inc

> American Century Investment Management Inc is an SEC-registered investment advisory firm in Kansas City, MO, registered since 1971, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated March 31, 2026.

- CRD: 105778
- Filed as: AMERICAN CENTURY INVESTMENT MANAGEMENT INC
- Also doing business as: AMERICAN CENTURY INVESTMENTS
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: Kansas City, MO
- Filing period: October 2026
- Form ADV filing dated: March 31, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/105778
- AdvisorCensus page: https://advisorcensus.com/firm/american-century-investment-management-inc-kansas-city-mo-105778

## Quick answers

**How is American Century Investment Management Inc compensated?**
On its Form ADV (Item 5.E, October 2026), American Century Investment Management Inc reports these compensation arrangements: a percentage of assets under its management; fixed fees (other than subscription fees); performance-based fees.

**Where is American Century Investment Management Inc located?**
American Century Investment Management Inc's principal office is in Kansas City, MO, according to its Form ADV; the April 2026 filing also lists 7 other offices (Schedule D, Section 1.F).

**Is American Century Investment Management Inc registered with the SEC or a state?**
American Century Investment Management Inc is an SEC-registered investment advisory firm, registered since 1971. Status as filed: Approved. CRD 105778.

**How much does American Century Investment Management Inc manage?**
American Century Investment Management Inc reports $305,984,711,783 in regulatory assets under management in its Form ADV filing dated March 31, 2026 (100% discretionary).

**How have American Century Investment Management Inc's assets and staff changed since 2021?**
In the Form ADV data for American Century Investment Management Inc: Regulatory assets under management: $209,377,920,863 in the October 2021 data and $305,984,711,783 in the October 2026 data, up 46%. Total employees: 190 in October 2021 and 220 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does American Century Investment Management Inc serve?**
By number of clients on Form ADV Item 5.D: other (362); investment companies (181); pooled investment vehicles (other than investment companies and business development companies) (93).

**Which custodians does American Century Investment Management Inc use?**
American Century Investment Management Inc's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists BNY Mellon, HSBC Bank PLC, Norrhern Trust and State Street Bank and Trust Company as custodians holding 10% or more of its separately managed account assets.

**Does American Century Investment Management Inc 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/105778

**What changed in American Century Investment Management Inc's recent Form ADV filings?**
In the April 2026 filing data: Employees performing advisory functions went from 216 to 211. Regulatory assets under management went from $268,468,896,450 to $305,984,711,783 (+14%).

## From the Form ADV filing

### Compensation (Item 5.E)
- A percentage of assets under your management
- Fixed fees (other than subscription fees)
- Performance-based fees

### Custodians (Schedule D, Section 5.K(3))
- BNY Mellon
- HSBC Bank PLC
- Norrhern Trust
- State Street Bank and Trust Company

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.

### Regulatory assets under management (Item 5.F)
- Total: $305,984,711,783
- Discretionary: $305,984,711,783
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Individuals (other than high net worth individuals) | 0 | $0 |
| High net worth individuals | 0 | $0 |
| Banking or thrift institutions | 0 | $0 |
| Investment companies | 181 | $257,088,718,587 |
| Business development companies | 0 | $0 |
| Pooled investment vehicles (other than investment companies and business development companies) | 93 | $18,809,879,555 |
| Pension and profit sharing plans (but not the plan participants or government pension plans) | 48 | $20,687,709,706 |
| Charitable organizations | 6 | $1,094,722,132 |
| State or municipal government entities (including government pension plans) | Fewer than 5 | $584,738,040 |
| Other investment advisers | 0 | $0 |
| Insurance companies | 13 | $530,345,218 |
| Sovereign wealth funds and foreign official institutions | 8 | $6,607,332,945 |
| Corporations or other businesses not listed above | 5 | $106,446 |
| Other | 362 | $581,159,154 |

### Advisory services (Item 5.G)
- 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

### Firm details
- Registered since: 1971 (54 years)
- Employees: 220 total, 211 performing advisory functions
- Wrap fee program participation: Yes
- States registered or notice-filed: CA, CT, MO, NY, OR
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Other offices (Schedule D, Section 1.F), as of the April 2026 filing
- Central
- London
- Los Angeles, CA
- New Canaan, CT
- New York, NY
- Portland, OR
- Santa Clara, CA

### Websites listed on Form ADV (Item 1.I)
- americancentury.com
- Facebook @americancentury
- Instagram @americancentury
- LinkedIn @american-century-investments
- LinkedIn @avantisinvestors
- LinkedIn @american-century-investments-institutional
- X @americancentury
- X @avantisinvestor
- YouTube @americancentury

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $209,377,920,863 | 190 | March 23, 2021 |
| October 2022 | $234,316,557,685 | 216 | September 27, 2022 |
| October 2023 | $215,298,863,331 | 213 | September 8, 2023 |
| October 2024 | $229,554,718,263 | 225 | August 22, 2024 |
| October 2025 | $268,468,896,450 | 225 | April 25, 2025 |
| October 2026 | $305,984,711,783 | 220 | March 31, 2026 |

Regulatory assets under management: $209,377,920,863 in the October 2021 data and $305,984,711,783 in the October 2026 data, up 46%.
Total employees: 190 in October 2021 and 220 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Employees performing advisory functions went from 216 to 211.
- Regulatory assets under management went from $268,468,896,450 to $305,984,711,783 (+14%).

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. American Century Investment Management Inc (CRD 105778): Form ADV filing data as of October 2026.