# ACK Asset Management LLC

> ACK Asset Management LLC is an SEC-registered investment advisory firm in Greenwich, CT, registered since 2010, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated March 13, 2026.

- CRD: 155136
- Filed as: ACK ASSET MANAGEMENT LLC
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: Greenwich, CT
- Filing period: October 2026
- Form ADV filing dated: March 13, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/155136
- AdvisorCensus page: https://advisorcensus.com/firm/ack-asset-management-llc-greenwich-ct-155136

## Quick answers

**How is ACK Asset Management LLC compensated?**
On its Form ADV (Item 5.E, October 2026), ACK Asset Management LLC reports these compensation arrangements: a percentage of assets under its management; performance-based fees.

**How much does ACK Asset Management LLC charge?**
Its Form ADV Part 2A brochure dated March 13, 2026 states: Asset-based fee: 1% to 1.5% a year (a range, as the brochure states it). Fees can differ by service and may be negotiable; the brochure is the complete statement.

**Where is ACK Asset Management LLC located?**
ACK Asset Management LLC's principal office is in Greenwich, CT, according to its Form ADV; the April 2026 filing also lists 1 other office (Schedule D, Section 1.F).

**Is ACK Asset Management LLC registered with the SEC or a state?**
ACK Asset Management LLC is an SEC-registered investment advisory firm, registered since 2010. Status as filed: Approved. CRD 155136.

**How much does ACK Asset Management LLC manage?**
ACK Asset Management LLC reports $1,068,346,088 in regulatory assets under management in its Form ADV filing dated March 13, 2026 (100% discretionary).

**How have ACK Asset Management LLC's assets and staff changed since 2021?**
In the Form ADV data for ACK Asset Management LLC: Regulatory assets under management: $496,480,175 in the October 2021 data and $1,068,346,088 in the October 2026 data, up 115%. Total employees: 6 in October 2021 and 10 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does ACK Asset Management LLC serve?**
By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (2).

**Does ACK Asset Management 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/155136

**Does ACK Asset Management LLC state an account minimum?**
Its Form ADV Part 2A brochure dated March 13, 2026 says: "The minimum investment amount in the Private Funds is $500,000. The minimum investment amount may be waived by the General Partner or Adviser and has been so waived for certain investors."

**What changed in ACK Asset Management LLC's recent Form ADV filings?**
In the April 2026 filing data: Regulatory assets under management went from $949,118,501 to $1,068,346,088 (+13%).

## From the Form ADV filing

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

### Fees and minimums (Form ADV Part 2A brochure dated March 13, 2026)

- Asset-based fee: 1% to 1.5% a year (a range, as the brochure states it)

> ACK typically charges investors in the Private Funds a management fee that ranges between 1.00% and 1.50% per annuum of the assets under management depending on when investors initially invested in a respective Private Fund

- Account minimum: $500,000 (the brochure says it may be waived or negotiated)

> The minimum investment amount in the Private Funds is $500,000. The minimum investment amount may be waived by the General Partner or Adviser and has been so waived for certain investors.

As stated in the firm's brochure. Fees can differ by service and may be negotiable.

### Regulatory assets under management (Item 5.F)
- Total: $1,068,346,088
- Discretionary: $1,068,346,088
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Pooled investment vehicles (other than investment companies and business development companies) | 2 | $1,068,346,088 |

### Advisory services (Item 5.G)
- Portfolio management for pooled investment vehicles (other than investment companies)

### Firm details
- Registered since: 2010 (16 years)
- Employees: 10 total, 6 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: CT, NY
- 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
- New York, NY

### Websites listed on Form ADV (Item 1.I)
- ackasset.com
- LinkedIn @ack-asset-management-llc

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $496,480,175 | 6 | March 18, 2021 |
| October 2022 | $794,528,939 | 10 | September 21, 2022 |
| October 2023 | $709,883,000 | 10 | March 29, 2023 |
| October 2024 | $1,099,860,395 | 11 | March 6, 2024 |
| October 2025 | $949,118,501 | 10 | March 19, 2025 |
| October 2026 | $1,068,346,088 | 10 | March 13, 2026 |

Regulatory assets under management: $496,480,175 in the October 2021 data and $1,068,346,088 in the October 2026 data, up 115%.
Total employees: 6 in October 2021 and 10 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Regulatory assets under management went from $949,118,501 to $1,068,346,088 (+13%).

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. ACK Asset Management LLC (CRD 155136): Form ADV filing data as of October 2026.