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RIA / WealthRegistered adviserindependent wealth managerSEC registeredRAUM 1b 10b

AMI ASSET MANAGEMENT CORP

CRD 110291

LOS ANGELES, CA

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:191faec2-b015-5f15-fd58-408d1fc516c9

Data as of Jul 23, 2026 (this record's last observation) from federal regulator filings. Page built Sep 19, 2026, 10:43 AM UTC and rebuilt at most every 15 minutes.

Relationships: 23
Dated events: 4
On other graphs: 0
Observed: Jan 31, 2012 to Jul 23, 2026
38 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: independent wealth managerderivedprivate_client_share=0.82 fund_share=0.01 institutional_share=0.08 related_bd=false related_bank=false bd_reps=0.0
Regulatory AUM: $1.9BItem 5.F on the latest filing (2026-07-23); as reported, and an affiliate's assets may be counted again on its own filing
Discretionary RAUM: $1.9B
Private client RAUM: $1.6BderivedItem 5.D individuals plus high net worth individuals
Private client share: 82%derivedprivate client RAUM over total RAUM
Advisors on IAPD: 9
RAUM per advisor: $214Mderivedthe firm's RAUM over its IAPD headcount: a firm average, never a person's book
Employees: 13
Advisory employees: 9
Offices: 1Schedule D 1.F, beyond the principal office
Accounts: 1,221
Individual clients: 726
High net worth clients: 387
Custody, client assets: $111M
SEC number: 801-47318
CRD: 110291
Filings on the tape: 38
First filed: Jan 31, 2012
Latest filed: Jul 23, 2026
Organised: Corporation, CA
Website: amiassetmanagement.com

Advisors on IAPD

current investment adviser representatives on the IAPD individual feed, longest tenure first

Advisor	Designations	Branch	Years here	In industry	Prior firms	Dual registered
MATTHEW TOD HUMISTON	n/a	LOS ANGELES, CA	6	26	n/a	no
ANDREW STEVEN ZAMFOTIS	Chartered Financial Analyst	LOS ANGELES, CA	1	20	n/a	no
Richard Mark Schimbor	Chartered Financial Analyst	LOS ANGELES, CA	1	10	n/a	no
KATHARINE KIM	n/a	LOS ANGELES, CA	1	24	n/a	no
WILLIAM HOWARD TANNER	n/a	LOS ANGELES, CA	1	51	n/a	no
DANIEL T. SCHNIEDWIND	Chartered Financial Analyst	Denver, CO \| LOS ANGELES, CA	0	15	1	no
PETER MAINSTAIN	Personal Financial Specialist	LOS ANGELES, CA	0	51	n/a	no
CHRISTIAN RUSSEL SESSING	Chartered Financial Analyst	LOS ANGELES, CA	0	33	n/a	no
Andrew B. Kim	n/a	LOS ANGELES, CA	0	13	n/a	no

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
HUMISTON, MATTHEW, TOD	PRESIDENT, COO	C	yes	08/2013	Jul 23, 2026	Jul 23, 2026
TANNER, WILLIAM, HOWARD	Chairman	C	yes	08/2013	Jul 23, 2026	Jul 23, 2026
KIM, KATHARINE	CHIEF COMPLIANCE OFFICER & CORPORATE SECRETARY	Na	no	08/2012	Jul 23, 2026	Jul 23, 2026
MAINSTAIN, PETER	Shareholder	B	no	08/2012	Jul 23, 2026	Jul 23, 2026
SESSING, CHRISTIAN, RUSSEL	CHIEF INVESTMENT OFFICER	A	no	11/2014	Jul 23, 2026	Jul 23, 2026
ZAMFOTIS, ANDREW, STEVEN	PORTFOLIO MANAGER	Na	no	11/2021	Jul 23, 2026	Jul 23, 2026

Offices

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

City	State	Country	Employees	Also broker-dealer
Denver	Co	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; showing 13 of 14

Fiscal year	Filed	RAUM	Discretionary	Employees	Advisory staff	Offices	Private funds	Fund GAV
2024	Mar 5, 2025	$1.8B	$1.8B	14	11	1	n/a	n/a
2023	Nov 15, 2023	$1.6B	$1.6B	15	10	1	n/a	n/a
2022	Nov 17, 2022	$1.5B	$1.5B	13	10	1	n/a	n/a
2021	Nov 17, 2021	$2.1B	$2.1B	13	10	1	n/a	n/a
2020	Nov 16, 2020	$1.7B	$1.7B	13	10	1	n/a	n/a
2019	Nov 19, 2019	$1.7B	$1.7B	12	10	1	n/a	n/a
2018	Jan 16, 2019	$1.7B	$1.7B	14	10	1	n/a	n/a
2017	Jan 18, 2018	$1.8B	$1.8B	14	10	0	n/a	n/a
2016	Dec 2, 2016	$1.7B	$1.7B	15	10	n/a	n/a	n/a
2015	Nov 16, 2015	$1.7B	$1.7B	14	10	n/a	n/a	n/a
2014	Dec 16, 2014	$1.4B	$1.4B	11	9	n/a	n/a	n/a
2013	Nov 22, 2013	$1.2B	$1.2B	11	10	n/a	n/a	n/a
2012	Oct 17, 2012	$748M	$748M	n/a	n/a	n/a	n/a	n/a

Advisor flows

derived: registrations beginning and ending at this CRD on IAPD, bulk corporate re-registrations excluded; the rate is departures over IAPD headcount

Joined, 12m	Left, 12m	Net, 12m	Departure rate, 12m	Joined, 90d	Left, 90d	Left, no destination yet	Joined, 36m	Left, 36m
0	0	0	0.0%	0	0	0	0	3

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
2024	$1.9B	$1.6B	18.7%	$2.1B	-2.4%	13	15	1	1

Relationships

Registered with (16)

← Andrew B. KimAdvisorregistration: current employment
Dec 22, 2025 to presentfactForm ADV
← CHRISTIAN RUSSEL SESSINGAdvisorregistration: current employment
Dec 11, 2025 to presentfactForm ADV
← PETER MAINSTAINAdvisorregistration: current employment
Nov 30, 2025 to presentfactForm ADV
← DANIEL T. SCHNIEDWINDAdvisorregistration: previous registration
Jul 15, 2011 to Jan 24, 2014factForm ADV
← WILLIAM HOWARD TANNERAdvisorregistration: current employment
May 22, 2025 to presentfactForm ADV
← KATHARINE KIMAdvisorregistration: current employment
May 14, 2025 to presentfactForm ADV
← Richard Mark SchimborAdvisorregistration: current employment
May 8, 2025 to presentfactForm ADV
← ANDREW STEVEN ZAMFOTISAdvisorregistration: current employment
May 6, 2025 to presentfactForm ADV
← MATTHEW TOD HUMISTONAdvisorregistration: current employment
Mar 20, 2020 to presentfactForm ADV
← NANCY LISTIAWANAdvisorregistration: previous registration
Apr 18, 2013 to Jan 2, 2025factForm ADV
← Annalisa FloreAdvisorregistration: previous registration
Sep 10, 2024 to Sep 11, 2024factForm ADV
← RYAN CRUZAT CIBULLAdvisorregistration: previous registration
Dec 19, 2023 to Apr 30, 2024factForm ADV
← Rob Roy KnowlesAdvisorregistration: previous registration
Jun 27, 2017 to Jan 8, 2020factForm ADV
← Yisha WangAdvisorregistration: previous registration
Apr 1, 2019 to May 23, 2019factForm ADV
← ALAN MITCHELL GELBAdvisorregistration: previous registration
Nov 10, 2003 to Aug 9, 2004factForm ADV
← ANTHONY GORDON PEYROTAdvisorregistration: previous registration
Jul 17, 1995 to Nov 10, 2003factForm ADV

Owns (4)

← SESSING, CHRISTIAN, RUSSELOwnerCHIEF INVESTMENT OFFICER, ownership code A, individual
Jan 31, 2012 to Nov 21, 2024factForm ADV
← ZAMFOTIS, ANDREW, STEVENOwnerPORTFOLIO MANAGER, ownership code NA, individual
Nov 17, 2021 to Nov 21, 2024factForm ADV
← MAINSTAIN, PETEROwnerSHAREHOLDER, ownership code B, individual
Jan 31, 2012 to Nov 21, 2024factForm ADV
← KIM, KATHARINEOwnerCHIEF COMPLIANCE OFFICER & CORPORATE SECRETARY, ownership code NA, individual
Jan 31, 2012 to Nov 21, 2024factForm ADV

Controls (2)

← TANNER, WILLIAM, HOWARDOwnerCHAIRMAN, ownership code C, individual
Jan 31, 2012 to Nov 21, 2024factForm ADV
← HUMISTON, MATTHEW, TODOwnerPRESIDENT, COO, ownership code C, individual
Jan 31, 2012 to Nov 21, 2024factForm ADV

Dated events

Occurred
Jan 2, 2025
Advisor changed firm
Nancy Listiawan left Ami Asset Management Corp for Vera Wealth Llc (registered 2025-03-17)
Form ADVobserved 4 days ago
Occurred
Sep 11, 2024
Advisor changed firm
Annalisa Flore left Ami Asset Management Corp for Tamar Securities, Llc (registered 2026-09-01)
Form ADVobserved 4 days ago
Occurred
Apr 30, 2024
Advisor changed firm
Ryan Cruzat Cibull left Ami Asset Management Corp for Strategic Advisers Llc (registered 2025-09-03)
Form ADVobserved 4 days ago
Occurred
Nov 17, 2022
Regulatory AUM changed
Ami Asset Management Corp reported RAUM $1.5B, down 27% from $2.1B (2022-07-20 to 2022-11-17)
Form ADVobserved 4 days ago
$-552M

Provenance

Graph: RIA / Wealth Management
Canonical id: dfx:ria:191faec2-b015-5f15-fd58-408d1fc516c9
First observed: Jan 31, 2012
Last observed: Jul 23, 2026 58 days 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.

AMI ASSET MANAGEMENT CORP

CRD 110291

LOS ANGELES, CA

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:191faec2-b015-5f15-fd58-408d1fc516c9

Data as of Jul 23, 2026 (this record's last observation) from federal regulator filings. Page built Sep 19, 2026, 10:43 AM UTC and rebuilt at most every 15 minutes.

Advisor

Designations

Branch

Years here

In industry

Prior firms

Dual registered

MATTHEW TOD HUMISTON

n/a

LOS ANGELES, CA

n/a

ANDREW STEVEN ZAMFOTIS

Chartered Financial Analyst

LOS ANGELES, CA

n/a

Richard Mark Schimbor

Chartered Financial Analyst

LOS ANGELES, CA

n/a

KATHARINE KIM

n/a

LOS ANGELES, CA

n/a

WILLIAM HOWARD TANNER

n/a

LOS ANGELES, CA

n/a

DANIEL T. SCHNIEDWIND

Chartered Financial Analyst

Denver, CO | LOS ANGELES, CA

PETER MAINSTAIN

Personal Financial Specialist

LOS ANGELES, CA

n/a

CHRISTIAN RUSSEL SESSING

Chartered Financial Analyst

LOS ANGELES, CA

n/a

Andrew B. Kim

n/a

LOS ANGELES, CA

n/a

Owner

Title

Ownership code

Control person

Acquired

First seen

Last seen

HUMISTON, MATTHEW, TOD

PRESIDENT, COO

yes

08/2013

Jul 23, 2026

TANNER, WILLIAM, HOWARD

Chairman

yes

08/2013

Jul 23, 2026

KIM, KATHARINE

CHIEF COMPLIANCE OFFICER & CORPORATE SECRETARY

08/2012

Jul 23, 2026

MAINSTAIN, PETER

Shareholder

08/2012

Jul 23, 2026

SESSING, CHRISTIAN, RUSSEL

CHIEF INVESTMENT OFFICER

11/2014

Jul 23, 2026

ZAMFOTIS, ANDREW, STEVEN

PORTFOLIO MANAGER

11/2021

Jul 23, 2026

City

State

Country

Employees

Also broker-dealer

Denver

United States

Fiscal year

Filed

RAUM

Discretionary

Employees

Advisory staff

Offices

Private funds

Fund GAV

2024

Mar 5, 2025

$1.8B

n/a

2023

Nov 15, 2023

$1.6B

n/a

2022

Nov 17, 2022

$1.5B

n/a

2021

Nov 17, 2021

$2.1B

n/a

2020

Nov 16, 2020

$1.7B

n/a

2019

Nov 19, 2019

$1.7B

n/a

2018

Jan 16, 2019

$1.7B

n/a

2017

Jan 18, 2018

$1.8B

n/a

2016

Dec 2, 2016

$1.7B

n/a

2015

Nov 16, 2015

$1.7B

n/a

2014

Dec 16, 2014

$1.4B

n/a

2013

Nov 22, 2013

$1.2B

n/a

2012

Oct 17, 2012

$748M

n/a

Joined, 12m

Left, 12m

Net, 12m

Departure rate, 12m

Joined, 90d

Left, 90d

Left, no destination yet

Joined, 36m

Left, 36m

0.0%

Latest fiscal year

RAUM

A year earlier

1y change

Three years earlier

3y CAGR

Employees

A year earlier

Offices

A year earlier

2024

$1.9B

$1.6B

18.7%

$2.1B

-2.4%