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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) |
| Phone | 914-358-3299 |
| Address | 777 West Putnam Ave Greenwich, CT 06830 |
| Source | [IAPD] [EDGAR] [Website] [LinkedIn] |
| Total AUM ($M) |
|---|
| Sector | Form 13F Holdings | Value ($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 | 145 | 22 | |
| James Rankin | Director | 84 | 21 | |
| Deanna Derrick | Director | 40 | 15 | |
| Isatou Sey | Director | 41 | 13 | |
| Leon Rhule | Director | 47 | 10 | |
| John Reilly | Executive Officer | 44 | 6 | |
| Kenneth Cooper | Executive Officer | 8 | 2 | |
| Richard Meisenberg | Executive Officer | 3 | 2 |
| 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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