# First Manhattan Co. LLC

> First Manhattan Co. LLC is an SEC-registered investment advisory firm in New York, NY, registered since 1977, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated August 13, 2026.

- CRD: 325281
- Filed as: FIRST MANHATTAN CO. LLC
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: New York, NY
- Filing period: October 2026
- Form ADV filing dated: August 13, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/325281
- AdvisorCensus page: https://advisorcensus.com/firm/first-manhattan-co-llc-new-york-ny-325281

## Quick answers

**How is First Manhattan Co. LLC compensated?**
On its Form ADV (Item 5.E, October 2026), First Manhattan Co. LLC 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 First Manhattan Co. LLC located?**
First Manhattan Co. LLC's principal office is in New York, NY, according to its Form ADV; the September 2026 filing also lists 4 other offices (Schedule D, Section 1.F).

**Is First Manhattan Co. LLC registered with the SEC or a state?**
First Manhattan Co. LLC is an SEC-registered investment advisory firm, registered since 1977. Status as filed: Approved. CRD 325281.

**How much does First Manhattan Co. LLC manage?**
First Manhattan Co. LLC reports $38,086,101,541 in regulatory assets under management in its Form ADV filing dated August 13, 2026 (94% discretionary).

**How have First Manhattan Co. LLC's assets and staff changed since 2023?**
In the Form ADV data for First Manhattan Co. LLC: Regulatory assets under management: $23,591,694,768 in the October 2023 data and $38,086,101,541 in the October 2026 data, up 61%. Total employees: 130 in October 2023 and 147 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does First Manhattan Co. LLC serve?**
By number of clients on Form ADV Item 5.D: high net worth individuals (3,828); individuals (other than high net worth individuals) (2,252); charitable organizations (108).

**Which custodians does First Manhattan Co. LLC use?**
First Manhattan Co. LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Pershing LLC as a custodian holding 10% or more of its separately managed account assets.

**Does First Manhattan Co. LLC 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/325281

**What changed in First Manhattan Co. LLC's recent Form ADV filings?**
In the April 2026 filing data: Employees performing advisory functions went from 47 to 51. Regulatory assets under management went from $34,439,571,092 to $38,086,101,541 (+11%). Added an office in Jackson, WY. Added an office in Omaha, NE. Added an office in San Francisco, CA.

## 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))
- Pershing LLC

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: $38,086,101,541
- Discretionary: $35,663,135,874
- Non-discretionary: $2,422,965,667

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Individuals (other than high net worth individuals) | 2,252 | $629,993,864 |
| High net worth individuals | 3,828 | $33,283,079,512 |
| Investment companies | 2 | $172,805,171 |
| Pooled investment vehicles (other than investment companies and business development companies) | 9 | $919,226,349 |
| Pension and profit sharing plans (but not the plan participants or government pension plans) | 95 | $1,510,159,023 |
| Charitable organizations | 108 | $1,570,837,622 |

### Advisory services (Item 5.G)
- Financial planning services
- 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
- Pension consulting services

### Firm details
- Registered since: 1977 (49 years)
- Employees: 147 total, 51 performing advisory functions
- Wrap fee program participation: Yes
- States registered or notice-filed: AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Other offices (Schedule D, Section 1.F), as of the September 2026 filing
- Greenwich, CT
- Jackson, WY
- Omaha, NE
- San Francisco, CA

### Websites listed on Form ADV (Item 1.I)
- firstmanhattan.com
- fmexcelsioretfs.com
- greenleafstrategies.com
- Facebook @firstmanhattan64
- Instagram @_firstmanhattan
- LinkedIn @firstmanhattanco
- X @_firstmanhattan

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2023 | $23,591,694,768 | 130 | September 7, 2023 |
| October 2024 | $31,826,559,572 | 133 | June 14, 2024 |
| October 2025 | $34,439,571,092 | 132 | April 29, 2025 |
| October 2026 | $38,086,101,541 | 147 | August 13, 2026 |

Regulatory assets under management: $23,591,694,768 in the October 2023 data and $38,086,101,541 in the October 2026 data, up 61%.
Total employees: 130 in October 2023 and 147 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Employees performing advisory functions went from 47 to 51.
- Regulatory assets under management went from $34,439,571,092 to $38,086,101,541 (+11%).
- Added an office in Jackson, WY.
- Added an office in Omaha, NE.
- Added an office in San Francisco, CA.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. First Manhattan Co. LLC (CRD 325281): Form ADV filing data as of October 2026.