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RIA / WealthRegistered adviserasset managerSEC registeredRAUM 1b 10b

ATOM INVESTORS LP

CRD 296819

AUSTIN, TX

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:6879b753-2636-ed0c-0739-cf97a976abae

Data as of Jul 27, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 4:53 PM UTC and rebuilt at most every 15 minutes.

Relationships: 12
Dated events: 11
On other graphs: 0
Observed: Apr 19, 2018 to Jul 27, 2026
19 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=0.03 fund_share=0.97 institutional_share=0.0 related_bd=false related_bank=false bd_reps=0.0
Regulatory AUM: $6.8BItem 5.F on the latest filing (2026-07-27); as reported, and an affiliate's assets may be counted again on its own filing
Discretionary RAUM: $6.8B
Private client RAUM: $189MderivedItem 5.D individuals plus high net worth individuals
Private client share: 3%derivedprivate client RAUM over total RAUM
Advisors on IAPD: 0
Employees: 24
Advisory employees: 8
Offices: 1Schedule D 1.F, beyond the principal office
Accounts: 7
High net worth clients: 1
Private funds: 2Schedule D 7.B(1)
Custody, client assets: $6.6B
Relying advisers: 1
SEC number: 801-113261
CIK: 1738902
CRD: 296819
Filings on the tape: 19
First filed: Apr 19, 2018
Latest filed: Jul 27, 2026
Organised: Limited Partnership, DE
Website: indexprogroup.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
ATOM MASTER FUND L.P.	Hedge Fund	$1.6B	Oct 1, 2024	13	Sep 18, 2018	reported	021-313609
ATOM SHORT MASTER FUND L.P.	Hedge Fund	$93.6M	Mar 31, 2021	1	Feb 22, 2021	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
ATOM GP LLC	GENERAL PARTNER	Na	yes	02/2018	Apr 19, 2018	Oct 1, 2024
ATOM STRATEGIES LLC	LIMITED PARTNER	D	yes	12/2019	Mar 27, 2020	Oct 1, 2024
AVITABILE, LAWRENCE, ALLEN	CHIEF OPERATING OFFICER / CHIEF FINANCIAL OFFICER	Na	yes	09/2022	Oct 3, 2022	Oct 1, 2024
FUSION INVESTORS LLC	LIMITED PARTNER	C	yes	05/2018	Apr 19, 2018	Oct 1, 2024
FUSION INVESTORS LLC	MANAGING MEMBER	C	yes	02/2018	Apr 19, 2018	Oct 1, 2024
GOLDBERG, ELIZA, KATZTER	CHIEF COMPLIANCE OFFICER	Na	yes	08/2022	Oct 3, 2022	Oct 1, 2024
QUNIBI, BASIL	Member	C	yes	02/2018	Apr 19, 2018	Oct 1, 2024
QUNIBI, BASIL	MANAGING MEMBER	D	yes	12/2021	Apr 19, 2018	Oct 1, 2024
QUNIBI, BASIL	CHAIRMAN / CHIEF EXECUTIVE OFFICER / CHIEF INVESTMENT OFFICER	Na	yes	02/2018	Apr 19, 2018	Oct 1, 2024
FAI HOLDINGS LLC	LIMITED PARTNER	A	no	12/2021	Mar 30, 2022	Oct 1, 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
ATOM ASSOCIATES 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; showing 8 of 9

Fiscal year	Filed	RAUM	Discretionary	Employees	Advisory staff	Offices	Private funds	Fund GAV
2025	Mar 28, 2026	$6.8B	$6.8B	24	8	1	2	n/a
2024	Mar 27, 2025	$3.3B	$3.3B	20	6	0	2	n/a
2023	Mar 27, 2024	$1.7B	$1.7B	16	7	0	1	$1.6B
2022	Mar 28, 2023	$1.2B	$1.2B	14	7	0	1	$1.2B
2021	Mar 30, 2022	$1.6B	$1.6B	16	9	0	1	$1.6B
2020	Mar 31, 2021	$2.6B	$2.6B	19	11	0	2	$2.6B
2019	Mar 27, 2020	$3.2B	$3.2B	28	16	0	1	$3.2B
2018	Mar 29, 2019	$2.0B	$2.0B	26	10	0	1	$2.0B

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	$6.8B	$3.3B	107.1%	$1.2B	78.3%	24	20	1	0

Relationships

Advises (2)

→ ATOM MASTER FUND L.P.Private fundHedge Fund, IA
Sep 18, 2018 to presentfactForm ADV
→ ATOM SHORT MASTER FUND L.P.Private fundHedge Fund, IA, no longer reported
Feb 22, 2021 to Mar 31, 2021factForm ADV

Controls (6)

← GOLDBERG, ELIZA, KATZTEROwnerCHIEF COMPLIANCE OFFICER, ownership code NA, individual
Oct 3, 2022 to Oct 1, 2024factForm ADV
← QUNIBI, BASILOwnerMANAGING MEMBER, ownership code D, individual
Apr 19, 2018 to Oct 1, 2024factForm ADV
← AVITABILE, LAWRENCE, ALLENOwnerCHIEF OPERATING OFFICER / CHIEF FINANCIAL OFFICER, ownership code NA, individual
Oct 3, 2022 to Oct 1, 2024factForm ADV
← ATOM GP LLCOwnerGENERAL PARTNER, ownership code NA, domestic entity
Apr 19, 2018 to Oct 1, 2024factForm ADV
← ATOM STRATEGIES LLCOwnerLIMITED PARTNER, ownership code D, domestic entity
Mar 27, 2020 to Oct 1, 2024factForm ADV
← FUSION INVESTORS LLCOwnerMANAGING MEMBER, ownership code C, domestic entity
Apr 19, 2018 to Oct 1, 2024factForm ADV

Owns (1)

← FAI HOLDINGS LLCOwnerLIMITED PARTNER, ownership code A, domestic entity
Mar 30, 2022 to Oct 1, 2024factForm ADV

Dated events

Occurred
Mar 28, 2026
Regulatory AUM changed
Atom Investors Lp reported RAUM $6.8B, up 107% from $3.3B (2026-02-27 to 2026-03-28)
Form ADVobserved 6 days ago
$3.5B
Occurred
Mar 27, 2025
Regulatory AUM changed
Atom Investors Lp reported RAUM $3.3B, up 92% from $1.7B (2024-10-01 to 2025-03-27)
Form ADVobserved 6 days ago
$1.6B
Occurred
Mar 27, 2024
Regulatory AUM changed
Atom Investors Lp reported RAUM $1.7B, up 43% from $1.2B (2023-03-28 to 2024-03-27)
Form ADVobserved 6 days ago
$514M
Occurred
Oct 3, 2022
Control person left
Paul John Cunningham (Chief Operating Officer / Chief Financial Officer) no longer on Schedule A of Atom Investors Lp (listed 2022-07-11, absent 2022-10-03)
Form ADVobserved 6 days ago
Occurred
Oct 3, 2022
Control person left
Andrew Craig Fisher (General Counsel / Chief Compliance Officer) no longer on Schedule A of Atom Investors Lp (listed 2022-07-11, absent 2022-10-03)
Form ADVobserved 6 days ago
Occurred
Oct 3, 2022
Control person joined
Katzter Eliza Goldberg (Chief Compliance Officer) appeared on Schedule A of Atom Investors Lp
Form ADVobserved 6 days ago
Occurred
Oct 3, 2022
Control person joined
Allen Lawrence Avitabile (Chief Operating Officer / Chief Financial Officer) appeared on Schedule A of Atom Investors Lp
Form ADVobserved 6 days ago
Occurred
Mar 30, 2022
Regulatory AUM changed
Atom Investors Lp reported RAUM $1.6B, down 38% from $2.6B (2021-03-31 to 2022-03-30)
Form ADVobserved 6 days ago
$-978M
Occurred
Mar 27, 2020
Regulatory AUM changed
Atom Investors Lp reported RAUM $3.2B, up 59% from $2.0B (2019-03-29 to 2020-03-27)
Form ADVobserved 6 days ago
$1.2B
Occurred
Mar 29, 2019
Regulatory AUM changed
Atom Investors Lp reported RAUM $2.0B, up 65% from $1.2B (2018-09-18 to 2019-03-29)
Form ADVobserved 6 days ago
$782M
Occurred
Apr 19, 2018
First Form ADV filing
Atom Investors Lp filed its initial SEC registration (Form ADV)
Form ADVobserved 6 days ago

Provenance

Graph: RIA / Wealth Management
Canonical id: dfx:ria:6879b753-2636-ed0c-0739-cf97a976abae
First observed: Apr 19, 2018
Last observed: Jul 27, 2026 56 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.

ATOM INVESTORS LP

CRD 296819

AUSTIN, TX

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:6879b753-2636-ed0c-0739-cf97a976abae

Data as of Jul 27, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 4:53 PM UTC and rebuilt at most every 15 minutes.

Fund

Type

Reported GAV

As of

Owners

First reported

Status

Form D file

ATOM MASTER FUND L.P.

Hedge Fund

$1.6B

Oct 1, 2024

Sep 18, 2018

reported

021-313609

ATOM SHORT MASTER FUND L.P.

Hedge Fund

$93.6M

Mar 31, 2021

Feb 22, 2021

dropped

n/a

Owner

Title

Ownership code

Control person

Acquired

First seen

Last seen

ATOM GP LLC

GENERAL PARTNER

yes

02/2018

Apr 19, 2018

Oct 1, 2024

ATOM STRATEGIES LLC

LIMITED PARTNER

yes

12/2019

Mar 27, 2020

Oct 1, 2024

AVITABILE, LAWRENCE, ALLEN

CHIEF OPERATING OFFICER / CHIEF FINANCIAL OFFICER

yes

09/2022

Oct 3, 2022

Oct 1, 2024

FUSION INVESTORS LLC

LIMITED PARTNER

yes

05/2018

Apr 19, 2018

Oct 1, 2024

FUSION INVESTORS LLC

MANAGING MEMBER

yes

02/2018

Apr 19, 2018

Oct 1, 2024

GOLDBERG, ELIZA, KATZTER

CHIEF COMPLIANCE OFFICER

yes

08/2022

Oct 3, 2022

Oct 1, 2024

QUNIBI, BASIL

Member

yes

02/2018

Apr 19, 2018

Oct 1, 2024

QUNIBI, BASIL

MANAGING MEMBER

yes

12/2021

Apr 19, 2018

Oct 1, 2024

QUNIBI, BASIL

CHAIRMAN / CHIEF EXECUTIVE OFFICER / CHIEF INVESTMENT OFFICER

yes

02/2018

Apr 19, 2018

Oct 1, 2024

FAI HOLDINGS LLC

LIMITED PARTNER

12/2021

Mar 30, 2022

Oct 1, 2024

Related person

Type

Class on the graph

Its RAUM

Control

Common control

State

ATOM ASSOCIATES LLC

n/a

yes

n/a

Fiscal year

Filed

RAUM

Discretionary

Employees

Advisory staff

Offices

Private funds

Fund GAV

2025

Mar 28, 2026

$6.8B

n/a

2024

Mar 27, 2025

$3.3B

n/a

2023

Mar 27, 2024

$1.7B

$1.6B

2022

Mar 28, 2023

$1.2B

2021

Mar 30, 2022

$1.6B

2020

Mar 31, 2021

$2.6B

2019

Mar 27, 2020

$3.2B

2018

Mar 29, 2019

$2.0B

Latest fiscal year

RAUM

A year earlier

1y change

Three years earlier

3y CAGR

Employees

A year earlier

Offices

A year earlier

2025

$6.8B

$3.3B

107.1%

$1.2B

78.3%