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RIA / WealthRegistered adviserformer SEC advisernot on rosterRAUM 100m 1b

SANDELL ASSET MANAGEMENT CORP.

CRD 137834

NEW YORK, NY

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Search this name across graphsid dfx:ria:932efcb1-afb7-7d01-1f02-3da7d8211be9

Data as of Jun 7, 2019 (this record's last observation) from federal regulator filings. Page built Sep 19, 2026, 1:06 AM UTC and rebuilt at most every 15 minutes.

Relationships: 24
Dated events: 1
On other graphs: 0
Observed: Mar 30, 2012 to Jun 7, 2019
23 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: former SEC adviserderivedabsent from the latest SEC roster
Regulatory AUM: $491MItem 5.F on the latest filing (2019-06-07); as reported, and an affiliate's assets may be counted again on its own filing
Discretionary RAUM: $491M
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: 12
Advisory employees: 4
Offices: 1Schedule D 1.F, beyond the principal office
Accounts: 16
Private funds: 2Schedule D 7.B(1)
Private fund GAV: $263Mgross asset value as reported per fund; never fund size
Custody, client assets: $72.9M
SEC number: 801-71398
CRD: 137834
Filings on the tape: 23
First filed: Mar 30, 2012
Latest filed: Jun 7, 2019
Organised: Corporation

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
CASTLERIGG INTERNATIONAL LIMITED	Hedge Fund	$553M	Mar 7, 2013	165	Mar 30, 2012	dropped	021-73546
CASTLERIGG INTERNATIONAL HOLDINGS LIMITED	Hedge Fund	$545M	Mar 7, 2013	166	Mar 30, 2012	dropped	n/a
CASTLERIGG OFFSHORE HOLDINGS, LTD.	Hedge Fund	$543M	Mar 7, 2013	166	Mar 30, 2012	dropped	n/a
CASTLERIGG MASTER INVESTMENTS, LTD.	Hedge Fund	$221M	Jun 7, 2019	19	Mar 30, 2012	reported	021-73546
CASTLERIGG MERGER ARBITRAGE AND EQUITY EVENT MASTER FUND, LTD.	Hedge Fund	$125M	Mar 27, 2015	4	Mar 30, 2012	dropped	021-175041
CASTLERIGG MERGER ARBITRAGE AND EQUITY EVENT INTERMEDIATE FUND, LP	Hedge Fund	$60.4M	Mar 7, 2013	7	Mar 30, 2012	dropped	n/a
CASTLERIGG MERGER ARBITRAGE AND EQUITY EVENT FUND, LTD.	Hedge Fund	$60.4M	Mar 7, 2013	5	Mar 30, 2012	dropped	n/a
CASTLERIGG ACTIVE INVESTMENT MASTER FUND, LTD.	Hedge Fund	$52.4M	Mar 27, 2015	3	Mar 28, 2014	dropped	021-214184
CASTLERIGG MERGER ARBITRAGE ENHANCED MASTER FUND, L.P.	Hedge Fund	$42.2M	Jun 7, 2019	5	Oct 23, 2017	reported	021-294288
CASTLERIGG PARTNERS, L.P.	Hedge Fund	$28.4M	Mar 7, 2013	36	Mar 30, 2012	dropped	021-73545
KESWICK MASTER LTD.	Hedge Fund	$13.5M	Mar 27, 2015	0	Mar 27, 2013	dropped	n/a
CASTLERIGG MERGER ARBITRAGE AND EQUITY EVENT FUND, L.P.	Hedge Fund	$12.0M	Mar 7, 2013	2	Mar 30, 2012	dropped	021-175041
CASTLERIGG GS HOLDINGS, LTD.	Hedge Fund	$7.8M	Mar 7, 2013	165	Mar 30, 2012	dropped	n/a

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
BORENSTEIN, DANIEL	CHIEF FINANCIAL OFFICER	Na	yes	07/2014	Jul 16, 2014	Jun 7, 2019
LEMINH, TRIET	CHIEF COMPLIANCE OFFICER	Na	yes	02/2017	Feb 27, 2017	Jun 7, 2019
MIGNON, DANIEL	Director	Na	yes	01/2013	Mar 27, 2013	Jun 7, 2019
SAMC PARTNERS LP	SOLE MEMBER	E	yes	12/2017	Mar 28, 2014	Jun 7, 2019
SANDELL HOLDINGS LLC	Owner	E	yes	12/2017	Mar 29, 2018	Jun 7, 2019
SANDELL PARTNERS LLC	GENERAL PARTNER	F	yes	12/2013	Mar 28, 2014	Jun 7, 2019
SANDELL, THOMAS, ERIC	CHIEF EXECUTIVE OFFICER	Na	yes	10/1997	Mar 30, 2012	Jun 7, 2019
SANDELL, THOMAS, ERIC	MANAGING MEMBER	E	yes	12/2013	Mar 30, 2012	Jun 7, 2019
SANDELL, THOMAS, ERIC	SOLE LIMITED PARTNER	E	yes	12/2013	Mar 30, 2012	Jun 7, 2019

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
SANDELL INVESTMENT SERVICES, L.L.C.	n/a	Former SEC adviser	$194M	N	yes	n/a
SANDELL ADVISORS, L.L.C.	n/a	n/a	n/a	N	yes	n/a
SANDELL ASSET MANAGEMENT EUROPE LIMITED	n/a	n/a	n/a	N	yes	n/a
SANDELL RE LTD.	n/a	n/a	n/a	N	yes	n/a

Offices

Schedule D 1.F offices beyond the principal office; street addresses are not published

City	State	Country	Employees	Also broker-dealer
BOCA RATON	FL	United States	1	no

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
2018	Mar 29, 2019	$491M	$491M	12	4	1	2	$263M
2017	Mar 29, 2018	$965M	$965M	15	5	1	2	$556M
2016	Mar 29, 2017	$625M	$625M	14	5	n/a	1	$498M
2015	Mar 29, 2016	$611M	$611M	16	6	n/a	1	$481M
2014	Mar 27, 2015	$1.2B	$1.2B	19	6	n/a	4	$1.2B
2013	Mar 28, 2014	$955M	$955M	21	6	n/a	4	$950M
2012	Mar 27, 2013	$761M	$761M	23	7	n/a	3	$717M
2011	Mar 30, 2012	$1.1B	$1.1B	n/a	n/a	n/a	10	$2.8B

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
2018	$491M	$965M	-49.1%	$611M	-7.0%	12	15	1	1

Relationships

Affiliated with (2)

→ SANDELL INVESTMENT SERVICES, L.L.C.Registered adviserother investment adviser, bank, pooled vehicle sponsor, common control
factForm ADV
← SANDELL INVESTMENT SERVICES, L.L.C.Registered adviserother investment adviser, bank, common control
factForm ADV

Advises (13)

→ CASTLERIGG MERGER ARBITRAGE ENHANCED MASTER FUND, L.P.Private fundHedge Fund, IA
Oct 23, 2017 to presentfactForm ADV
→ CASTLERIGG MASTER INVESTMENTS, LTD.Private fundHedge Fund, IA
Mar 30, 2012 to presentfactForm ADV
→ KESWICK MASTER LTD.Private fundHedge Fund, IA, no longer reported
Mar 27, 2013 to Mar 27, 2015factForm ADV
→ CASTLERIGG ACTIVE INVESTMENT MASTER FUND, LTD.Private fundHedge Fund, IA, no longer reported
Mar 28, 2014 to Mar 27, 2015factForm ADV
→ CASTLERIGG MERGER ARBITRAGE AND EQUITY EVENT MASTER FUND, LTD.Private fundHedge Fund, IA, no longer reported
Mar 30, 2012 to Mar 27, 2015factForm ADV
→ CASTLERIGG PARTNERS, L.P.Private fundHedge Fund, IA, no longer reported
Mar 30, 2012 to Mar 7, 2013factForm ADV
→ CASTLERIGG OFFSHORE HOLDINGS, LTD.Private fundHedge Fund, IA, no longer reported
Mar 30, 2012 to Mar 7, 2013factForm ADV
→ CASTLERIGG INTERNATIONAL HOLDINGS LIMITEDPrivate fundHedge Fund, IA, no longer reported
Mar 30, 2012 to Mar 7, 2013factForm ADV
→ CASTLERIGG MERGER ARBITRAGE AND EQUITY EVENT FUND, L.P.Private fundHedge Fund, IA, no longer reported
Mar 30, 2012 to Mar 7, 2013factForm ADV
→ CASTLERIGG MERGER ARBITRAGE AND EQUITY EVENT INTERMEDIATE FUND, LPPrivate fundHedge Fund, IA, no longer reported
Mar 30, 2012 to Mar 7, 2013factForm ADV
→ CASTLERIGG MERGER ARBITRAGE AND EQUITY EVENT FUND, LTD.Private fundHedge Fund, IA, no longer reported
Mar 30, 2012 to Mar 7, 2013factForm ADV
→ CASTLERIGG GS HOLDINGS, LTD.Private fundHedge Fund, IA, no longer reported
Mar 30, 2012 to Mar 7, 2013factForm ADV
→ CASTLERIGG INTERNATIONAL LIMITEDPrivate fundHedge Fund, IA, no longer reported
Mar 30, 2012 to Mar 7, 2013factForm ADV

Controls (7)

← SANDELL, THOMAS, ERICOwnerSOLE LIMITED PARTNER, ownership code E, individual
Mar 30, 2012 to presentfactForm ADV
← MIGNON, DANIELOwnerDIRECTOR, ownership code NA, individual
Mar 27, 2013 to presentfactForm ADV
← BORENSTEIN, DANIELOwnerCHIEF FINANCIAL OFFICER, ownership code NA, individual
Jul 16, 2014 to presentfactForm ADV
← LEMINH, TRIETOwnerCHIEF COMPLIANCE OFFICER, ownership code NA, individual
Feb 27, 2017 to presentfactForm ADV
← SAMC PARTNERS LPOwnerSOLE MEMBER, ownership code E, foreign entity
Mar 28, 2014 to presentfactForm ADV
← SANDELL HOLDINGS LLCOwnerOWNER, ownership code E, domestic entity
Mar 29, 2018 to presentfactForm ADV
← SANDELL PARTNERS LLCOwnerGENERAL PARTNER, ownership code F, domestic entity
Mar 28, 2014 to presentfactForm ADV

Dated events

Occurred
Mar 29, 2019
Regulatory AUM changed
Sandell Asset Management Corp. reported RAUM $491.2M, down 49% from $965.2M (2018-03-29 to 2019-03-29)
Form ADVobserved 3 days ago
$-474M

Provenance

Graph: RIA / Wealth Management
Canonical id: dfx:ria:932efcb1-afb7-7d01-1f02-3da7d8211be9
First observed: Mar 30, 2012
Last observed: Jun 7, 2019 88 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.

SANDELL ASSET MANAGEMENT CORP.

CRD 137834

NEW YORK, NY

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:932efcb1-afb7-7d01-1f02-3da7d8211be9

Data as of Jun 7, 2019 (this record's last observation) from federal regulator filings. Page built Sep 19, 2026, 1:06 AM UTC and rebuilt at most every 15 minutes.

Fund

Type

Reported GAV

As of

Owners

First reported

Status

Form D file

CASTLERIGG INTERNATIONAL LIMITED

Hedge Fund

$553M

Mar 7, 2013

165

Mar 30, 2012

dropped

021-73546

CASTLERIGG INTERNATIONAL HOLDINGS LIMITED

Hedge Fund

$545M

Mar 7, 2013

166

Mar 30, 2012

dropped

n/a

CASTLERIGG OFFSHORE HOLDINGS, LTD.

Hedge Fund

$543M

Mar 7, 2013

166

Mar 30, 2012

dropped

n/a

CASTLERIGG MASTER INVESTMENTS, LTD.

Hedge Fund

$221M

Jun 7, 2019

Mar 30, 2012

reported

021-73546

CASTLERIGG MERGER ARBITRAGE AND EQUITY EVENT MASTER FUND, LTD.

Hedge Fund

$125M

Mar 27, 2015

Mar 30, 2012

dropped

021-175041

CASTLERIGG MERGER ARBITRAGE AND EQUITY EVENT INTERMEDIATE FUND, LP

Hedge Fund

$60.4M

Mar 7, 2013

Mar 30, 2012

dropped

n/a

CASTLERIGG MERGER ARBITRAGE AND EQUITY EVENT FUND, LTD.

Hedge Fund

$60.4M

Mar 7, 2013

Mar 30, 2012

dropped

n/a

CASTLERIGG ACTIVE INVESTMENT MASTER FUND, LTD.

Hedge Fund

$52.4M

Mar 27, 2015

Mar 28, 2014

dropped

021-214184

CASTLERIGG MERGER ARBITRAGE ENHANCED MASTER FUND, L.P.

Hedge Fund

$42.2M

Jun 7, 2019

Oct 23, 2017

reported

021-294288

CASTLERIGG PARTNERS, L.P.

Hedge Fund

$28.4M

Mar 7, 2013

Mar 30, 2012

dropped

021-73545

KESWICK MASTER LTD.

Hedge Fund

$13.5M

Mar 27, 2015

Mar 27, 2013

dropped

n/a

CASTLERIGG MERGER ARBITRAGE AND EQUITY EVENT FUND, L.P.

Hedge Fund

$12.0M

Mar 7, 2013

Mar 30, 2012

dropped

021-175041

CASTLERIGG GS HOLDINGS, LTD.

Hedge Fund

$7.8M

Mar 7, 2013

165

Mar 30, 2012

dropped

n/a

Owner

Title

Ownership code

Control person

Acquired

First seen

Last seen

BORENSTEIN, DANIEL

CHIEF FINANCIAL OFFICER

yes

07/2014

Jul 16, 2014

Jun 7, 2019

LEMINH, TRIET

CHIEF COMPLIANCE OFFICER

yes

02/2017

Feb 27, 2017

Jun 7, 2019

MIGNON, DANIEL

Director

yes

01/2013

Mar 27, 2013

Jun 7, 2019

SAMC PARTNERS LP

SOLE MEMBER

yes

12/2017

Mar 28, 2014

Jun 7, 2019

SANDELL HOLDINGS LLC

Owner

yes

12/2017

Mar 29, 2018

Jun 7, 2019

SANDELL PARTNERS LLC

GENERAL PARTNER

yes

12/2013

Mar 28, 2014

Jun 7, 2019

SANDELL, THOMAS, ERIC

CHIEF EXECUTIVE OFFICER

yes

10/1997

Mar 30, 2012

Jun 7, 2019

SANDELL, THOMAS, ERIC

MANAGING MEMBER

yes

12/2013

Mar 30, 2012

Jun 7, 2019

SANDELL, THOMAS, ERIC

SOLE LIMITED PARTNER

yes

12/2013

Mar 30, 2012

Jun 7, 2019

Related person

Type

Class on the graph

Its RAUM

Control

Common control

State

SANDELL INVESTMENT SERVICES, L.L.C.

n/a

Former SEC adviser

$194M

yes

n/a

SANDELL ADVISORS, L.L.C.

n/a

yes

n/a

SANDELL ASSET MANAGEMENT EUROPE LIMITED

n/a

yes

n/a

SANDELL RE LTD.

n/a

yes

n/a

City

State

Country

Employees

Also broker-dealer

BOCA RATON

United States

Fiscal year

Filed

RAUM

Discretionary

Employees

Advisory staff

Offices

Private funds

Fund GAV

2018

Mar 29, 2019

$491M

$263M

2017

Mar 29, 2018

$965M

$556M

2016

Mar 29, 2017

$625M

n/a

$498M

2015

Mar 29, 2016

$611M

n/a

$481M

2014

Mar 27, 2015

$1.2B

n/a

$1.2B

2013

Mar 28, 2014

$955M

n/a

$950M

2012

Mar 27, 2013

$761M

n/a

$717M

2011

Mar 30, 2012

$1.1B

n/a

$2.8B

Latest fiscal year

RAUM

A year earlier

1y change

Three years earlier

3y CAGR

Employees

A year earlier

Offices

A year earlier

2018

$491M

$965M

-49.1%

$611M

-7.0%