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| ACK Asset Management LLC
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| CRD # | 155136 |
| SEC # | 801-71844 |
| CIK # | 0001510940 |
| AUM | 1,068.3 M (2026-03-13) |
| Employees | 10 (60% Investors, 0% Brokers) |
| Fees | |
| Minimum | |
| Phone | 914-358-3299 |
| Address | 777 West Putnam Ave Greenwich, CT 06830 |
| Source | [IAPD] [EDGAR] [Website] [LinkedIn] |
| Total AUM ($M) |
|---|
| Fees and Compensation — Form ADV Part 2A (3/13/2026) [Brochure] |
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Item 5 – Fees and Compensation 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 and subject to fee caps as described in the Private Fund’s offering documents. The management fee is paid quarterly in advance based on the balance of each investors account as of the beginning of each quarter. ACK is also eligible to earn performance-based compensation (“incentive allocation”) in the amount of 20% of annual net profits of each Private Fund attributable at the Investor level, subject to a loss recovery mechanism as discussed in each respective Private Funds offering documents. ACKAM or the General Partner may, in their sole discretion, waive or reduce the fee to fund investors who are members, principals, employees or affiliates of ACK, relatives of such persons and certain large or strategic investors and have done so on occasion. The Private Funds have entered into agreements (“Side Letters”) with certain investors that result in different terms of an investment in the Private Fund than the terms applicable to other investors including, but not limited to, rights to receive reduced management and incentive fees or additional reports and enhanced disclosure of certain events. As a result of such Side Letters, certain investors have received additional benefits which other investors do not receive. Such agreements are entered into by such investors without the consent of other investors in such Private Funds; additionally, except as may be required by “most-favored-nations” clauses, such agreements usually need not be disclosed to other investors. Client assets invested in money market funds managed by independent managers, including funds at custodian banks, broker-dealers or other custodians, may be subject to management fees, trading costs and other expenses charged by the manager of these funds which are in addition to management fees charged by the Adviser. ACK’s fees are exclusive of the Private Funds operating and other expenses including (without limitation): investment expenses (e.g., expenses which the Adviser determines to be related to the investment of a Private Fund’s capital, such as brokerage commissions, clearing and settlement charges, bank service fees and interest expenses), custodial fees, legal expenses, ongoing offering expenses, internal and external accounting expenses, auditing and tax preparation expenses, custodial and prime brokerage expenses, premiums for liability insurance covering the Private Funds, the Adviser and their respective agents, fees ACK Asset Management LLC Brochure March 13, 2026 and expenses of the Administrator, fees and out-of-pocket expenses of any service company retained to provide fund accounting, bookkeeping and administrative services. To the extent that expenses to be borne by the Partnership are paid by the Investment Manager, the Investment Manager will be reimbursed by the Partnership for such expenses. |
| Account Minimums and Types of Clients — Form ADV Part 2A (3/13/2026) [Brochure] |
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Item 7 – Types of Clients ACK’s clients are the Private Funds. Investors in the Private Funds are not considered advisory clients of ACK and cannot participate in investment decisions. The minimum investment amount in the Private Funds is $500,000. The minimum investment amount may be waived by the General Partner or Adviser and has been so waived for certain investors. |
| Sector | Form 13F Holdings | Value ($M) | |
|---|---|---|---|
| Materion Corp | 68.7 | ||
| Advanced Drainage Systems Inc | 53.5 | ||
| ATS Corp /ATS | 52.1 | ||
| Rogers Corp | 51.0 | ||
| Sun Hydraulics Corp | 50.5 | ||
| Littelfuse Inc /DE | 45.8 | ||
| Core & Main Inc | 44.5 | ||
| GSI Group Inc | 44.3 | ||
| Siteone Landscape Supply Inc | 43.9 | ||
| Astec Industries Inc | 42.3 | ||
| View All | |||
| Holdings by Sector ($M) |
|---|
| Type | Form D Funds | Date | Sold | AUM |
|---|---|---|---|---|
| HF | ACK Asset Partners II LP | [2012-05-21] | 191.5 M | 768.7 M |
| Filed 2014-03-03 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Commission $922,524 · Net Assets Decline to Disclose | ||||
| HF | PM Manager Fund SPC Segregated Portfolio 25 | [2012-03-13] | 45.9 M | 157.3 M |
| Filed 2021-04-08 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $250,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose | ||||
| HF | ACK Asset Master Fund LP | [2012-01-30] | 112.3 M | 299.6 M |
| Filed 2025-10-07 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $500,000 · Remaining Indefinite · Duration More than one year · Commission $4,054,757 · Net Assets Decline to Disclose | ||||
| AUM Breakdown | Accounts | AUM ($M) |
|---|---|---|
| By Client Type | ||
| (a) Individuals (other than high net worth individuals) | 0 | 0.0 |
| (b) Individuals (high net worth individuals) | 0 | 0.0 |
| (c) Banking or thrift institutions | 0 | 0.0 |
| (d) Investment companies | 0 | 0.0 |
| (e) Business development companies | 0 | 0.0 |
| (f) Pooled investment vehicles | 2 | 1,068.3 |
| (g) Pension and profit sharing plans | 0 | 0.0 |
| (h) Charitable organizations | 0 | 0.0 |
| (i) State or municipal government entities | 0 | 0.0 |
| (j) Other investment advisers | 0 | 0.0 |
| (k) Insurance companies | 0 | 0.0 |
| (l) Sovereign wealth funds and foreign official institutions | 0 | 0.0 |
| (m) Corporations or other businesses not listed above | 0 | 0.0 |
| (n) Other | 0 | 0.0 |
| Total | 159 | 1,068.3 |
| By Discretionary | ||
| Discretionary | 159 | 1,068.3 |
| Non-Discretionary | 0 | 0.0 |
| Total | 159 | 1,068.3 |
| By Non-United States Persons | ||
| Non-United States Persons | 352.6 | |
| United States Persons | 715.8 | |
| Total | 159 | 1,068.3 |
| Form D Directors | Role | # Filings | # Firms | 2011 - 2026 |
|---|---|---|---|---|
| Michelle Wilson-Clarke | Director | 284 | 70 | |
| John Ackerley | Director | 170 | 70 | |
| Scott Lennon | Director | 163 | 37 | |
| Carlos Ferreira | Director | 91 | 36 | |
| Kevin Williams | Director | 128 | 28 | |
| Charles Nightingale | Director | 44 | 28 | |
| Robert Meschi | Director | 143 | 22 | |
| James Rankin | Director | 84 | 21 | |
| Deanna Derrick | Director | 40 | 15 | |
| Isatou Sey | Director | 41 | 13 | |
| View All | ||||
| EDGAR Form | CIK | 2011 - 2026 |
|---|---|---|
| 13F-HR | [0001510940] | |
| SC 13G | [0001510940] |
| Firm Profile (Form ADV) | |
|---|---|
| Discretionary AUM | $0.5B |
| Serves | Institutional |
| Fund Types | Hedge Fund |
| LEI | 549300IRT3E7387QQ637 |
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