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RIA / WealthRegistered adviserasset managerSEC registeredRAUM 1b 10b

ACK ASSET MANAGEMENT LLC

CRD 155136

GREENWICH, CT

This is the graph view. The full profile, with its team, deals and sources, is on RIA / Wealth Management.Open the full profile →

Search this name across graphsid dfx:ria:ccd5dba5-59e9-8ac2-c1a4-dcc2c312422a

Data as of Mar 13, 2026 (this record's last observation) from federal regulator filings. Page built Sep 19, 2026, 6:58 AM UTC and rebuilt at most every 15 minutes.

Relationships: 8
Dated events: 3
On other graphs: 0
Observed: Jan 30, 2012 to Mar 13, 2026
25 observations

Across DFX

This entity has not been resolved onto another DFX graph by a shared identifier. A name match elsewhere would be a candidate, never an identity, and none is recorded.

Facts

fact = as filed or announced; derived = computed by DFX; estimate = a band, never a point

Firm class: asset managerderivedprivate_client_share=0.0 fund_share=1.0 institutional_share=0.0 related_bd=false related_bank=false bd_reps=0.0
Regulatory AUM: $1.1BItem 5.F on the latest filing (2026-03-13); as reported, and an affiliate's assets may be counted again on its own filing
Discretionary RAUM: $1.1B
Private client RAUM: $0derivedItem 5.D individuals plus high net worth individuals
Private client share: 0%derivedprivate client RAUM over total RAUM
Advisors on IAPD: 0
Employees: 10
Advisory employees: 6
Offices: 1Schedule D 1.F, beyond the principal office
Accounts: 159
Private funds: 2Schedule D 7.B(1)
Custody, client assets: $1.1B
SEC number: 801-71844
CRD: 155136
Filings on the tape: 25
First filed: Jan 30, 2012
Latest filed: Mar 13, 2026
Organised: Limited Liability Company, DE

Private funds

Schedule D 7.B(1); gross asset value as reported, never fund size; reporting ends 2024-12-31

Fund	Type	Reported GAV	As of	Owners	First reported	Status	Form D file
ACK ASSET PARTNERS II LP	Hedge Fund	$846M	Mar 6, 2024	109	May 21, 2012	reported	021-178483
ACK ASSET MASTER FUND LP	Hedge Fund	$244M	Mar 6, 2024	82	Jan 30, 2012	reported	021-151368
PM MANAGER FUND, SPC, SEGREGATED PORTFOLIO 25	Hedge Fund	$157M	Oct 13, 2021	12	Mar 13, 2012	dropped	021-148829

Owners and control persons

Schedule A and B as filed; ownership codes are the form's bands (NA under 5%, A 5 to 10%, B 10 to 25%, C 25 to 50%, D 50 to 75%, E over 75%); people are listed as filed and never merged by name

Owner	Title	Ownership code	Control person	Acquired	First seen	Last seen
AGUIRRE, ANDRES, MAURICIO	CHIEF COMPLIANCE OFFICER & SENIOR CONTROLLER	Na	yes	01/2023	Mar 29, 2023	Mar 6, 2024
COOPER, KENNETH, FRANK	CHIEF FINANCIAL OFFICER	Na	yes	10/2010	Jan 30, 2012	Mar 6, 2024
KISSELL, WILLIAM, ANDREW	Officer	Na	yes	10/2010	Mar 1, 2016	Mar 6, 2024
MEISENBERG, RICHARD, SCOTT	MANAGING MEMBER	D	yes	10/2005	Jan 30, 2012	Mar 6, 2024
REILLY, JOHN, HENRY	MANAGING MEMBER	C	yes	10/2005	Jan 30, 2012	Mar 6, 2024

Affiliates (Item 7.A)

as filed on Item 7.A; a related person with a CRD on the graph links to its own page

Related person	Type	Class on the graph	Its RAUM	Control	Common control	State
ACK ASSET GP II LLC	n/a	n/a	n/a	N	yes	n/a

Regulatory AUM by fiscal year

annual amendments (and the roster's annual snapshot) as filed; where a year was amended twice the later filing draws the line

Fiscal year	Filed	RAUM	Discretionary	Employees	Advisory staff	Offices	Private funds	Fund GAV
2025	Mar 13, 2026	$1.1B	$1.1B	10	6	1	2	n/a
2024	Mar 19, 2025	$949M	$949M	10	6	1	2	n/a
2023	Mar 6, 2024	$1.1B	$1.1B	11	7	0	2	$1.1B
2022	Mar 29, 2023	$710M	$710M	10	6	0	2	$700M
2021	Mar 15, 2022	$795M	$795M	10	6	0	2	$783M
2020	Mar 18, 2021	$496M	$496M	6	4	0	3	$520M
2019	Mar 30, 2020	$542M	$542M	6	4	0	3	$535M
2018	Mar 22, 2019	$544M	$544M	8	5	0	2	$409M
2017	Mar 28, 2018	$630M	$630M	9	5	0	3	$609M
2016	Mar 16, 2017	$595M	$595M	10	6	n/a	3	$592M
2015	Mar 1, 2016	$604M	$604M	10	6	n/a	3	$598M
2014	Mar 3, 2015	$483M	$483M	10	6	n/a	3	$480M
2013	Mar 17, 2014	$353M	$353M	10	5	n/a	3	$421M
2012	Jan 30, 2013	$332M	$332M	7	5	n/a	3	$330M
2011	Jan 30, 2012	$263M	$263M	n/a	n/a	n/a	1	$184M

Growth

derived from consecutive annual filings; RAUM as reported

Latest fiscal year	RAUM	A year earlier	1y change	Three years earlier	3y CAGR	Employees	A year earlier	Offices	A year earlier
2025	$1.1B	$949M	12.6%	$710M	14.6%	10	10	1	1

Relationships

Advises (3)

→ ACK ASSET MASTER FUND LPPrivate fundHedge Fund, IA
Jan 30, 2012 to presentfactForm ADV
→ ACK ASSET PARTNERS II LPPrivate fundHedge Fund, IA
May 21, 2012 to presentfactForm ADV
→ PM MANAGER FUND, SPC, SEGREGATED PORTFOLIO 25Private fundHedge Fund, IA, no longer reported
Mar 13, 2012 to Oct 13, 2021factForm ADV

Controls (5)

← MEISENBERG, RICHARD, SCOTTOwnerMANAGING MEMBER, ownership code D, individual
Jan 30, 2012 to Mar 6, 2024factForm ADV
← KISSELL, WILLIAM, ANDREWOwnerOFFICER, ownership code NA, individual
Mar 1, 2016 to Mar 6, 2024factForm ADV
← REILLY, JOHN, HENRYOwnerMANAGING MEMBER, ownership code C, individual
Jan 30, 2012 to Mar 6, 2024factForm ADV
← AGUIRRE, ANDRES, MAURICIOOwnerCHIEF COMPLIANCE OFFICER & SENIOR CONTROLLER, ownership code NA, individual
Mar 29, 2023 to Mar 6, 2024factForm ADV
← COOPER, KENNETH, FRANKOwnerCHIEF FINANCIAL OFFICER, ownership code NA, individual
Jan 30, 2012 to Mar 6, 2024factForm ADV

Dated events

Occurred
Mar 6, 2024
Regulatory AUM changed
Ack Asset Management Llc reported RAUM $1.1B, up 55% from $709.9M (2024-01-23 to 2024-03-06)
Form ADVobserved 4 days ago
$390M
Occurred
Mar 29, 2023
Control person joined
Mauricio Andres Aguirre (Chief Compliance Officer & Senior Controller) appeared on Schedule A of Ack Asset Management Llc
Form ADVobserved 4 days ago
Occurred
Mar 15, 2022
Regulatory AUM changed
Ack Asset Management Llc reported RAUM $794.5M, up 60% from $496.5M (2021-10-13 to 2022-03-15)
Form ADVobserved 4 days ago
$298M

Provenance

Graph: RIA / Wealth Management
Canonical id: dfx:ria:ccd5dba5-59e9-8ac2-c1a4-dcc2c312422a
First observed: Jan 30, 2012
Last observed: Mar 13, 2026 6 months ago
Source families: Federal regulator filings
3 registered feeds stand behind this record; each fact above carries its own dates and, where the publisher serves one, its document.
Resolution: Identity across graphs by shared identifier (CRD, CIK, EIN, ADV fund id, individual CRD) or citation; a name match is shown as a candidate and never merged.

ACK ASSET MANAGEMENT LLC

CRD 155136

GREENWICH, CT

This is the graph view. The full profile, with its team, deals and sources, is on RIA / Wealth Management.Open the full profile →

Search this name across graphsid dfx:ria:ccd5dba5-59e9-8ac2-c1a4-dcc2c312422a

Data as of Mar 13, 2026 (this record's last observation) from federal regulator filings. Page built Sep 19, 2026, 6:58 AM UTC and rebuilt at most every 15 minutes.

Fund

Type

Reported GAV

As of

Owners

First reported

Status

Form D file

ACK ASSET PARTNERS II LP

Hedge Fund

$846M

Mar 6, 2024

109

May 21, 2012

reported

021-178483

ACK ASSET MASTER FUND LP

Hedge Fund

$244M

Mar 6, 2024

Jan 30, 2012

reported

021-151368

PM MANAGER FUND, SPC, SEGREGATED PORTFOLIO 25

Hedge Fund

$157M

Oct 13, 2021

Mar 13, 2012

dropped

021-148829

Owner

Title

Ownership code

Control person

Acquired

First seen

Last seen

AGUIRRE, ANDRES, MAURICIO

CHIEF COMPLIANCE OFFICER & SENIOR CONTROLLER

yes

01/2023

Mar 29, 2023

Mar 6, 2024

COOPER, KENNETH, FRANK

CHIEF FINANCIAL OFFICER

yes

10/2010

Jan 30, 2012

Mar 6, 2024

KISSELL, WILLIAM, ANDREW

Officer

yes

10/2010

Mar 1, 2016

Mar 6, 2024

MEISENBERG, RICHARD, SCOTT

MANAGING MEMBER

yes

10/2005

Jan 30, 2012

Mar 6, 2024

REILLY, JOHN, HENRY

MANAGING MEMBER

yes

10/2005

Jan 30, 2012

Mar 6, 2024

Related person

Type

Class on the graph

Its RAUM

Control

Common control

State

ACK ASSET GP II LLC

n/a

yes

n/a

Fiscal year

Filed

RAUM

Discretionary

Employees

Advisory staff

Offices

Private funds

Fund GAV

2025

Mar 13, 2026

$1.1B

n/a

2024

Mar 19, 2025

$949M

n/a

2023

Mar 6, 2024

$1.1B

2022

Mar 29, 2023

$710M

$700M

2021

Mar 15, 2022

$795M

$783M

2020

Mar 18, 2021

$496M

$520M

2019

Mar 30, 2020

$542M

$535M

2018

Mar 22, 2019

$544M

$409M

2017

Mar 28, 2018

$630M

$609M

2016

Mar 16, 2017

$595M

n/a

$592M

2015

Mar 1, 2016

$604M

n/a

$598M

2014

Mar 3, 2015

$483M

n/a

$480M

2013

Mar 17, 2014

$353M

n/a

$421M

2012

Jan 30, 2013

$332M

n/a

$330M

2011

Jan 30, 2012

$263M

n/a

$184M

Latest fiscal year

RAUM

A year earlier

1y change

Three years earlier

3y CAGR

Employees

A year earlier

Offices

A year earlier

2025

$1.1B

$949M

12.6%

$710M

14.6%