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RIA / WealthRegistered adviserasset managerSEC registeredRAUM 1b 10b

INTEGRAL ILS LTD.

CRD 310727

HAMILTON

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:66d32ec8-3942-2702-54c0-99b230b8d4f7

Data as of Mar 17, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 9:01 AM UTC and rebuilt at most every 15 minutes.

Relationships: 20
Dated events: 4
On other graphs: 0
Observed: Dec 10, 2020 to Mar 17, 2026
8 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: $3.8BItem 5.F on the latest filing (2026-03-17); as reported, and an affiliate's assets may be counted again on its own filing
Discretionary RAUM: $3.8B
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: 15
Advisory employees: 11
Offices: 0Schedule D 1.F, beyond the principal office
Accounts: 10
Private funds: 9Schedule D 7.B(1)
Custody, client assets: $0
SEC number: 801-120129
CRD: 310727
Filings on the tape: 8
First filed: Dec 10, 2020
Latest filed: Mar 17, 2026
Organised: Other (specify)
Website: integralils.com

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
CARNOT FUND LTD.	Other Private Fund	$690M	Apr 29, 2024	19	Nov 4, 2022	reported	021-430726
MAPLE LEAF FUND LTD.	Other Private Fund	$573M	Apr 29, 2024	7	Dec 10, 2020	reported	021-462264
AURORA FUND LTD. / BERMUDA	Other Private Fund	$552M	Apr 29, 2024	7	Nov 4, 2022	reported	021-462291
INTEGRAL OPPORTUNITIES FUND LTD.	Other Private Fund	$407M	Apr 29, 2024	4	Mar 8, 2024	reported	021-502779
RIEMANN FUND LTD.	Other Private Fund	$172M	Apr 29, 2024	7	Nov 4, 2022	reported	021-462281
PRINCIPIA FUND LTD.	Other Private Fund	$150M	Apr 29, 2024	9	Nov 4, 2022	reported	021-386474
PRIME FUND LTD.	Other Private Fund	$29.7M	Apr 29, 2024	7	Nov 4, 2022	reported	021-462287

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
ALLEGHANY CORPORATION	Owner	E	yes	03/2012	Mar 8, 2024	Apr 29, 2024
AMERICAN WHOLESALE INSURANCE HOLDING COMPANY, LLC	Owner	E	yes	06/2012	Nov 4, 2022	Apr 29, 2024
AMWINS GROUP, INC.	Owner	E	yes	06/2012	Nov 4, 2022	Apr 29, 2024
AMWINS GROUP, LLC	Owner	E	yes	05/2004	Nov 4, 2022	Apr 29, 2024
AMWINS HOLDINGS, LLC	Owner	E	yes	09/2019	Nov 4, 2022	Apr 29, 2024
BERKSHIRE HATHAWAY INC.	Owner	E	yes	10/2022	Mar 8, 2024	Apr 29, 2024
LOWTHER, RICHARD, JOHN	MANAGING PARTNER, CHIEF COMPLIANCE OFFICER, CHIEF OPERATING OFFICER	B	yes	11/2020	Dec 10, 2020	Apr 29, 2024
VAN DER MERWE, ADRIAAN, JACOBUS	EXECUTIVE OFFICER	Na	yes	10/2020	Mar 8, 2024	Apr 29, 2024
ZENG, LIXIN	MANAGING PARTNER, CIO, CEO	C	yes	11/2020	Dec 10, 2020	Apr 29, 2024
AMWINS VENTURES, LLC	Owner	B	no	01/2021	Nov 4, 2022	Apr 29, 2024
COOPER, WILEY, HOWARD	Director	Na	no	12/2021	Mar 8, 2024	Apr 29, 2024
TORRE, MICHAEL, CHARLES	Director	Na	no	01/2024	Mar 8, 2024	Apr 29, 2024
TRANSATLANTIC HOLDINGS INC.	Owner	B	no	01/2024	Mar 8, 2024	Apr 29, 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
INTEGRAL REINSURANCE LTD.	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	Private funds	Fund GAV
2025	Mar 17, 2026	$3.8B	$3.8B	15	11	9	n/a
2024	Mar 17, 2025	$2.9B	$2.9B	14	11	8	n/a
2023	Mar 8, 2024	$2.6B	$2.6B	12	4	7	$2.6B
2022	Mar 27, 2023	$1.6B	$1.6B	12	4	6	$1.6B

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	$3.8B	$2.9B	30.1%	$1.6B	33.8%	15	14	0	0

Relationships

Advises (7)

→ RIEMANN FUND LTD.Private fundOther Private Fund, IA
Nov 4, 2022 to presentfactForm ADV
→ PRINCIPIA FUND LTD.Private fundOther Private Fund, IA
Nov 4, 2022 to presentfactForm ADV
→ MAPLE LEAF FUND LTD.Private fundOther Private Fund, IA
Dec 10, 2020 to presentfactForm ADV
→ CARNOT FUND LTD.Private fundOther Private Fund, IA
Nov 4, 2022 to presentfactForm ADV
→ INTEGRAL OPPORTUNITIES FUND LTD.Private fundOther Private Fund, IA
Mar 8, 2024 to presentfactForm ADV
→ PRIME FUND LTD.Private fundOther Private Fund, IA
Nov 4, 2022 to presentfactForm ADV
→ AURORA FUND LTD. / BERMUDAPrivate fundOther Private Fund, IA
Nov 4, 2022 to presentfactForm ADV

Controls (7)

← ZENG, LIXINOwnerMANAGING PARTNER, CIO, CEO, ownership code C, individual
Dec 10, 2020 to Apr 29, 2024factForm ADV
← LOWTHER, RICHARD, JOHNOwnerMANAGING PARTNER, CHIEF COMPLIANCE OFFICER, CHIEF OPERATING OFFICER, ownership code B, individual
Dec 10, 2020 to Apr 29, 2024factForm ADV
← VAN DER MERWE, ADRIAAN, JACOBUSOwnerEXECUTIVE OFFICER, ownership code NA, individual
Mar 8, 2024 to Apr 29, 2024factForm ADV
← ALLEGHANY CORPORATIONOwnerOWNER, ownership code E, domestic entity
Mar 8, 2024 to Apr 29, 2024factForm ADV
← AMERICAN WHOLESALE INSURANCE HOLDING COMPANY, LLCOwnerOWNER, ownership code E, domestic entity
Nov 4, 2022 to Apr 29, 2024factForm ADV
← AMWINS GROUP, INC.OwnerOWNER, ownership code E, domestic entity
Nov 4, 2022 to Apr 29, 2024factForm ADV
← BERKSHIRE HATHAWAY INC.OwnerOWNER, ownership code E, domestic entity
Mar 8, 2024 to Apr 29, 2024factForm ADV

Owns (4)

← TORRE, MICHAEL, CHARLESOwnerDIRECTOR, ownership code NA, individual
Mar 8, 2024 to Apr 29, 2024factForm ADV
← COOPER, WILEY, HOWARDOwnerDIRECTOR, ownership code NA, individual
Mar 8, 2024 to Apr 29, 2024factForm ADV
← AMWINS VENTURES, LLCOwnerOWNER, ownership code B, domestic entity
Nov 4, 2022 to Apr 29, 2024factForm ADV
← TRANSATLANTIC HOLDINGS INC.OwnerOWNER, ownership code B, domestic entity
Mar 8, 2024 to Apr 29, 2024factForm ADV

Dated events

Occurred
Mar 17, 2026
Regulatory AUM changed
Integral Ils Ltd. reported RAUM $3.8B, up 30% from $2.9B (2025-09-16 to 2026-03-17)
Form ADVobserved 6 days ago
$875M
Occurred
Mar 8, 2024
Regulatory AUM changed
Integral Ils Ltd. reported RAUM $2.6B, up 65% from $1.6B (2023-03-27 to 2024-03-08)
Form ADVobserved 6 days ago
$1.0B
Occurred
Mar 8, 2024
Control person joined
Jacobus Adriaan Van Der Merwe (Executive Officer) appeared on Schedule A of Integral Ils Ltd.
Form ADVobserved 6 days ago
Occurred
Dec 10, 2020
First Form ADV filing
Integral Ils Ltd. filed its initial SEC registration (Form ADV)
Form ADVobserved 6 days ago

Provenance

Graph: RIA / Wealth Management
Canonical id: dfx:ria:66d32ec8-3942-2702-54c0-99b230b8d4f7
First observed: Dec 10, 2020
Last observed: Mar 17, 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.

INTEGRAL ILS LTD.

CRD 310727

HAMILTON

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:66d32ec8-3942-2702-54c0-99b230b8d4f7

Data as of Mar 17, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 9:01 AM UTC and rebuilt at most every 15 minutes.

Fund

Type

Reported GAV

As of

Owners

First reported

Status

Form D file

CARNOT FUND LTD.

Other Private Fund

$690M

Apr 29, 2024

Nov 4, 2022

reported

021-430726

MAPLE LEAF FUND LTD.

Other Private Fund

$573M

Apr 29, 2024

Dec 10, 2020

reported

021-462264

AURORA FUND LTD. / BERMUDA

Other Private Fund

$552M

Apr 29, 2024

Nov 4, 2022

reported

021-462291

INTEGRAL OPPORTUNITIES FUND LTD.

Other Private Fund

$407M

Apr 29, 2024

Mar 8, 2024

reported

021-502779

RIEMANN FUND LTD.

Other Private Fund

$172M

Apr 29, 2024

Nov 4, 2022

reported

021-462281

PRINCIPIA FUND LTD.

Other Private Fund

$150M

Apr 29, 2024

Nov 4, 2022

reported

021-386474

PRIME FUND LTD.

Other Private Fund

$29.7M

Apr 29, 2024

Nov 4, 2022

reported

021-462287

Owner

Title

Ownership code

Control person

Acquired

First seen

Last seen

ALLEGHANY CORPORATION

Owner

yes

03/2012

Mar 8, 2024

Apr 29, 2024

AMERICAN WHOLESALE INSURANCE HOLDING COMPANY, LLC

Owner

yes

06/2012

Nov 4, 2022

Apr 29, 2024

AMWINS GROUP, INC.

Owner

yes

06/2012

Nov 4, 2022

Apr 29, 2024

AMWINS GROUP, LLC

Owner

yes

05/2004

Nov 4, 2022

Apr 29, 2024

AMWINS HOLDINGS, LLC

Owner

yes

09/2019

Nov 4, 2022

Apr 29, 2024

BERKSHIRE HATHAWAY INC.

Owner

yes

10/2022

Mar 8, 2024

Apr 29, 2024

LOWTHER, RICHARD, JOHN

MANAGING PARTNER, CHIEF COMPLIANCE OFFICER, CHIEF OPERATING OFFICER

yes

11/2020

Dec 10, 2020

Apr 29, 2024

VAN DER MERWE, ADRIAAN, JACOBUS

EXECUTIVE OFFICER

yes

10/2020

Mar 8, 2024

Apr 29, 2024

ZENG, LIXIN

MANAGING PARTNER, CIO, CEO

yes

11/2020

Dec 10, 2020

Apr 29, 2024

AMWINS VENTURES, LLC

Owner

01/2021

Nov 4, 2022

Apr 29, 2024

COOPER, WILEY, HOWARD

Director

12/2021

Mar 8, 2024

Apr 29, 2024

TORRE, MICHAEL, CHARLES

Director

01/2024

Mar 8, 2024

Apr 29, 2024

TRANSATLANTIC HOLDINGS INC.

Owner

01/2024

Mar 8, 2024

Apr 29, 2024

Related person

Type

Class on the graph

Its RAUM

Control

Common control

State

INTEGRAL REINSURANCE LTD.

n/a

yes

n/a

Fiscal year

Filed

RAUM

Discretionary

Employees

Advisory staff

Offices

Private funds

Fund GAV

2025

Mar 17, 2026

$3.8B

n/a

2024

Mar 17, 2025

$2.9B

n/a

2023

Mar 8, 2024

$2.6B

2022

Mar 27, 2023

$1.6B

Latest fiscal year

RAUM

A year earlier

1y change

Three years earlier

3y CAGR

Employees

A year earlier

Offices

A year earlier

2025

$3.8B

$2.9B

30.1%

$1.6B

33.8%