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RIA / WealthRegistered adviserasset managerSEC registeredRAUM 100m 1b

SUNSTONE ADVISORS, LLC

CRD 324002

IRVINE, CA

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Search this name across graphsid dfx:ria:54b0a1e4-4ff8-7aee-846d-eb17e1bcb837

Data as of Mar 31, 2026 (this record's last observation) from federal regulator filings. Page built Sep 19, 2026, 1:04 AM UTC and rebuilt at most every 15 minutes.

Relationships: 21
Dated events: 5
On other graphs: 1
Observed: Dec 21, 2022 to Mar 31, 2026
8 observations

Across DFX

same identity by shared identifier, citation, or a bridge measured by hand

Venture Capitalidentity

Sunstone Advisors, LLC

Venture manager · shared crd

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=0.63 institutional_share=0.0 related_bd=false related_bank=false bd_reps=1.0
Regulatory AUM: $123MItem 5.F on the latest filing (2026-03-31); as reported, and an affiliate's assets may be counted again on its own filing
Discretionary RAUM: $77.0M
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: 3
RAUM per advisor: $40.9Mderivedthe firm's RAUM over its IAPD headcount: a firm average, never a person's book
Employees: 25
Advisory employees: 9
Offices: 1Schedule D 1.F, beyond the principal office
Accounts: 9
Private funds: 8Schedule D 7.B(1)
Relying advisers: 1
SEC number: 801-127225
CRD: 324002
Filings on the tape: 8
First filed: Dec 21, 2022
Latest filed: Mar 31, 2026
Organised: Limited Liability Company, DE
Website: sunstoneadvisor.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
Jun Jiang	n/a	IRVINE, CA	3	10	1	no
MICHAEL STONE	n/a	IRVINE, CA	3	20	2	yes
Hong-Sheng Hsu	n/a	IRVINE, CA	0	10	n/a	no

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
SUNSTONE FIXED INCOME FUND IV, LLC	Securitized Asset Fund	$74.4M	Jul 2, 2024	1	May 19, 2023	reported	021-370815
SUNSTONE DREAM FUND, L.P.	Venture Capital Fund	$3.0M	Jul 2, 2024	2	Mar 29, 2024	reported	021-492815
LBA SUNSTONE FUND II, LP	Venture Capital Fund	$2.3M	Jul 2, 2024	8	Mar 29, 2024	reported	021-454771
SUNSTONE HORIZON FUND I, LP	Venture Capital Fund	$1.9M	Jul 2, 2024	12	Mar 29, 2024	reported	021-454886
SUNSTONE HORIZON FUND II, LP	Venture Capital Fund	$1.7M	Jul 2, 2024	3	Mar 29, 2024	reported	021-454881
LBA SUNSTONE FUND I, LP	Venture Capital Fund	$1.3M	Jul 2, 2024	16	Mar 29, 2024	reported	021-343041
SUNSTONE SEATREC II, LLC	Venture Capital Fund	$1.0M	Jul 2, 2024	5	Mar 29, 2024	reported	021-455252
SUNSTONE SEATREC I, LLC	Venture Capital Fund	$650,000	Jul 2, 2024	10	Mar 29, 2024	reported	021-455250

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
Jiang, Jun	MANAGING MEMBER	B	yes	09/2022	Dec 21, 2022	Jul 2, 2024
Keisler, John, Paul	MANAGING MEMBER/CEO	C	yes	09/2022	Dec 21, 2022	Jul 2, 2024
SHEN, JOHN, ZHONG	MANAGING MEMBER	C	yes	09/2022	Dec 21, 2022	Jul 2, 2024
STONE, MICHAEL	MANAGING MEMBER/COO	C	yes	09/2022	Dec 21, 2022	Jul 2, 2024
LEWIS, HEATHER, SHERMAINE	CHIEF COMPLIANCE OFFICER	Na	no	01/2024	Jan 19, 2024	Jul 2, 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
SUNSTONE MANAGEMENT, INC.	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
LONG BEACH	CA	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
2025	Mar 31, 2026	$123M	$77.0M	25	9	1	8	n/a
2024	Mar 28, 2025	$95.6M	$77.3M	19	7	2	8	n/a
2023	Mar 29, 2024	$105M	$86.2M	27	11	2	8	$86.2M

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	1	4

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	$123M	$95.6M	28.5%	n/a	n/a	25	19	1	2

Teams in

teams that arrived here from one firm together

Other firm	Advisors	First left	Last joined	From	Kind	Move type	Share of firm
ELITE ADVISORS, LLC	4	Dec 31, 2020	Nov 30, 2023	IRVINE, CA	Firm absorbed	Other	100.0%

Relationships

Registered with (7)

← Hong-Sheng HsuAdvisorregistration: current employment
Jan 1, 2026 to presentfactForm ADV
← MICHAEL STONEAdvisorregistration: current employment
Jan 23, 2023 to presentfactForm ADV
← Jun JiangAdvisorregistration: current employment
Jan 20, 2023 to presentfactForm ADV
← MENGRAN WEIAdvisorregistration: previous registration
May 23, 2023 to Aug 13, 2024factForm ADV
← NATHAN YUE JIAAdvisorregistration: previous registration
May 12, 2023 to Jul 2, 2024factForm ADV
← Jing SunAdvisorregistration: previous registration
Nov 30, 2023 to May 24, 2024factForm ADV
← jianing zhouAdvisorregistration: previous registration
Jan 20, 2023 to May 24, 2024factForm ADV

Advises (8)

→ SUNSTONE SEATREC I, LLCPrivate fundVenture Capital Fund, IA
Mar 29, 2024 to presentfactForm ADV
→ SUNSTONE DREAM FUND, L.P.Private fundVenture Capital Fund, IA
Mar 29, 2024 to presentfactForm ADV
→ SUNSTONE FIXED INCOME FUND IV, LLCPrivate fundSecuritized Asset Fund, IA
May 19, 2023 to presentfactForm ADV
→ LBA SUNSTONE FUND II, LPPrivate fundVenture Capital Fund, IA
Mar 29, 2024 to presentfactForm ADV
→ SUNSTONE SEATREC II, LLCPrivate fundVenture Capital Fund, IA
Mar 29, 2024 to presentfactForm ADV
→ SUNSTONE HORIZON FUND II, LPPrivate fundVenture Capital Fund, IA
Mar 29, 2024 to presentfactForm ADV
→ SUNSTONE HORIZON FUND I, LPPrivate fundVenture Capital Fund, IA
Mar 29, 2024 to presentfactForm ADV
→ LBA SUNSTONE FUND I, LPPrivate fundVenture Capital Fund, IA
Mar 29, 2024 to presentfactForm ADV

Owns (1)

← LEWIS, HEATHER, SHERMAINEOwnerCHIEF COMPLIANCE OFFICER, ownership code NA, individual
Jan 19, 2024 to Jul 2, 2024factForm ADV

Controls (4)

← STONE, MICHAELOwnerMANAGING MEMBER/COO, ownership code C, individual
Dec 21, 2022 to Jul 2, 2024factForm ADV
← SHEN, JOHN, ZHONGOwnerMANAGING MEMBER, ownership code C, individual
Dec 21, 2022 to Jul 2, 2024factForm ADV
← Jiang, JunOwnerMANAGING MEMBER, ownership code B, individual
Dec 21, 2022 to Jul 2, 2024factForm ADV
← Keisler, John, PaulOwnerMANAGING MEMBER/CEO, ownership code C, individual
Dec 21, 2022 to Jul 2, 2024factForm ADV

Moved with (1)

← ELITE ADVISORS, LLCRegistered adviser4 advisors, firm absorbed, same day
Dec 31, 2020 to Nov 30, 2023factForm ADV

Dated events

Occurred
Aug 13, 2024
Advisor changed firm
Mengran Wei left Sunstone Advisors, Llc for Fidelity Personal And Workplace Advisors (registered 2024-08-14)
Form ADVobserved 3 days ago
Occurred
Jul 2, 2024
Advisor changed firm
Nathan Yue Jia left Sunstone Advisors, Llc for Fidelity Personal And Workplace Advisors (registered 2024-08-20)
Form ADVobserved 3 days ago
Occurred
May 24, 2024
Advisor changed firm
Jing Sun left Sunstone Advisors, Llc for J.P. Morgan Securities Llc (registered 2024-07-01)
Form ADVobserved 3 days ago
Occurred
May 24, 2024
Advisor changed firm
Jianing Zhou left Sunstone Advisors, Llc for Merrill Lynch, Pierce, Fenner & Smith Incorporated (registered 2026-01-14)
Form ADVobserved 3 days ago
Occurred
Dec 21, 2022
First Form ADV filing
Sunstone Advisors, Llc filed its initial SEC registration (Form ADV)
Form ADVobserved 3 days ago

Provenance

Graph: RIA / Wealth Management
Canonical id: dfx:ria:54b0a1e4-4ff8-7aee-846d-eb17e1bcb837
First observed: Dec 21, 2022
Last observed: Mar 31, 2026 5 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.

SUNSTONE ADVISORS, LLC

CRD 324002

IRVINE, 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:54b0a1e4-4ff8-7aee-846d-eb17e1bcb837

Data as of Mar 31, 2026 (this record's last observation) from federal regulator filings. Page built Sep 19, 2026, 1:04 AM UTC and rebuilt at most every 15 minutes.

Advisor

Designations

Branch

Years here

In industry

Prior firms

Dual registered

Jun Jiang

n/a

IRVINE, CA

MICHAEL STONE

n/a

IRVINE, CA

yes

Hong-Sheng Hsu

n/a

IRVINE, CA

n/a

Fund

Type

Reported GAV

As of

Owners

First reported

Status

Form D file

SUNSTONE FIXED INCOME FUND IV, LLC

Securitized Asset Fund

$74.4M

Jul 2, 2024

May 19, 2023

reported

021-370815

SUNSTONE DREAM FUND, L.P.

Venture Capital Fund

$3.0M

Jul 2, 2024

Mar 29, 2024

reported

021-492815

LBA SUNSTONE FUND II, LP

Venture Capital Fund

$2.3M

Jul 2, 2024

Mar 29, 2024

reported

021-454771

SUNSTONE HORIZON FUND I, LP

Venture Capital Fund

$1.9M

Jul 2, 2024

Mar 29, 2024

reported

021-454886

SUNSTONE HORIZON FUND II, LP

Venture Capital Fund

$1.7M

Jul 2, 2024

Mar 29, 2024

reported

021-454881

LBA SUNSTONE FUND I, LP

Venture Capital Fund

$1.3M

Jul 2, 2024

Mar 29, 2024

reported

021-343041

SUNSTONE SEATREC II, LLC

Venture Capital Fund

$1.0M

Jul 2, 2024

Mar 29, 2024

reported

021-455252

SUNSTONE SEATREC I, LLC

Venture Capital Fund

$650,000

Jul 2, 2024

Mar 29, 2024

reported

021-455250

Owner

Title

Ownership code

Control person

Acquired

First seen

Last seen

Jiang, Jun

MANAGING MEMBER

yes

09/2022

Dec 21, 2022

Jul 2, 2024

Keisler, John, Paul

MANAGING MEMBER/CEO

yes

09/2022

Dec 21, 2022

Jul 2, 2024

SHEN, JOHN, ZHONG

MANAGING MEMBER

yes

09/2022

Dec 21, 2022

Jul 2, 2024

STONE, MICHAEL

MANAGING MEMBER/COO

yes

09/2022

Dec 21, 2022

Jul 2, 2024

LEWIS, HEATHER, SHERMAINE

CHIEF COMPLIANCE OFFICER

01/2024

Jan 19, 2024

Jul 2, 2024

Related person

Type

Class on the graph

Its RAUM

Control

Common control

State

SUNSTONE MANAGEMENT, INC.

n/a

yes

n/a

City

State

Country

Employees

Also broker-dealer

LONG BEACH

United States

Fiscal year

Filed

RAUM

Discretionary

Employees

Advisory staff

Offices

Private funds

Fund GAV

2025

Mar 31, 2026

$123M

$77.0M

n/a

2024

Mar 28, 2025

$95.6M

$77.3M

n/a

2023

Mar 29, 2024

$105M

$86.2M

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

2025

$123M

$95.6M

28.5%

n/a

Other firm

Advisors

First left

Last joined

From

Kind

Move type

Share of firm

ELITE ADVISORS, LLC

Dec 31, 2020

Nov 30, 2023

IRVINE, CA

Firm absorbed

Other

100.0%