# Acadian Asset Management

> Acadian Asset Management is an SEC-registered investment advisory firm in Boston, MA, registered since 1986, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated August 10, 2026.

- CRD: 106609
- Filed as: ACADIAN ASSET MANAGEMENT
- Legal name: Acadian Asset Management LLC
- Also doing business as: ACADIAN ASSET MANAGEMENT
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: Boston, MA
- Filing period: October 2026
- Form ADV filing dated: August 10, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/106609
- AdvisorCensus page: https://advisorcensus.com/firm/acadian-asset-management-boston-ma-106609

## Quick answers

**How is Acadian Asset Management compensated?**
On its Form ADV (Item 5.E, October 2026), Acadian Asset Management reports these compensation arrangements: a percentage of assets under its management; performance-based fees. The amounts are in Item 5 of its Form ADV Part 2A brochure.

**Where is Acadian Asset Management located?**
Acadian Asset Management's principal office is in Boston, MA, according to its Form ADV.

**Is Acadian Asset Management registered with the SEC or a state?**
Acadian Asset Management is an SEC-registered investment advisory firm, registered since 1986. Status as filed: Approved. CRD 106609.

**How much does Acadian Asset Management manage?**
Acadian Asset Management reports $177,464,258,309 in regulatory assets under management in its Form ADV filing dated August 10, 2026 (99% discretionary).

**How have Acadian Asset Management's assets and staff changed since 2021?**
In the Form ADV data for Acadian Asset Management: Regulatory assets under management: $107,229,150,463 in the October 2021 data and $177,464,258,309 in the October 2026 data, up 66%. Total employees: 370 in October 2021 and 375 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Acadian Asset Management serve?**
By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (148); state or municipal government entities (including government pension plans) (66); other (59).

**Which custodians does Acadian Asset Management use?**
Acadian Asset Management's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists BNY Mellon, Citi, JPMorgan Chase, State Street and The Northern Trust Company as custodians holding 10% or more of its separately managed account assets.

**Does Acadian Asset Management 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/106609

**What changed in Acadian Asset Management's recent Form ADV filings?**
In the April 2026 filing data: Employees performing advisory functions went from 130 to 125. Regulatory assets under management went from $117,297,475,194 to $177,464,258,309 (+51%).

## From the Form ADV filing

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

### Custodians (Schedule D, Section 5.K(3))
- BNY Mellon
- Citi
- JPMorgan Chase
- State Street
- The Northern 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: $177,464,258,309
- Discretionary: $175,187,165,584
- Non-discretionary: $2,277,092,725

### 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 | 16 | $11,481,777,429 |
| Business development companies | 0 | $0 |
| Pooled investment vehicles (other than investment companies and business development companies) | 148 | $64,646,987,174 |
| Pension and profit sharing plans (but not the plan participants or government pension plans) | 27 | $5,671,656,940 |
| Charitable organizations | 27 | $7,242,072,457 |
| State or municipal government entities (including government pension plans) | 66 | $40,499,138,604 |
| Other investment advisers | 0 | $0 |
| Insurance companies | 0 | $0 |
| Sovereign wealth funds and foreign official institutions | 5 | $7,480,077,359 |
| Corporations or other businesses not listed above | 2 | $110,916,195 |
| Other | 59 | $40,331,632,151 |

### 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
- Other

### Firm details
- Registered since: 1986 (39 years)
- Employees: 375 total, 125 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: MA
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Websites listed on Form ADV (Item 1.I)
- acadian-asset.com
- acadian-inc.com
- LinkedIn @ACADIAN-ASSET-MANAGEMENT

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $107,229,150,463 | 370 | March 29, 2021 |
| October 2022 | $116,160,751,772 | 370 | September 23, 2022 |
| October 2023 | $92,942,123,864 | 330 | May 11, 2023 |
| October 2024 | $101,657,441,852 | 364 | August 26, 2024 |
| October 2025 | $117,297,475,194 | 363 | May 20, 2025 |
| October 2026 | $177,464,258,309 | 375 | August 10, 2026 |

Regulatory assets under management: $107,229,150,463 in the October 2021 data and $177,464,258,309 in the October 2026 data, up 66%.
Total employees: 370 in October 2021 and 375 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Employees performing advisory functions went from 130 to 125.
- Regulatory assets under management went from $117,297,475,194 to $177,464,258,309 (+51%).

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Acadian Asset Management (CRD 106609): Form ADV filing data as of October 2026.