Form D · Hedge Fund

Deuterium AR US Investors, LP

Clearwater, FL · CIK 0001927091

Offering snapshot reported Jan 2, 2026 · SEC filing

Reported sold: $14.5M
Investors reported: 2
Minimum accepted: $0
First sale: Sep 1, 2022

Fundraising history

Reported sold

Dates are filing dates, not cash receipt dates. Decreases are reported revisions, not evidence of withdrawals. Separate offering histories are not added together.

What changed?

Latest filing versus its linked predecessor, where available.

No comparable changes in the displayed metrics.

Filing history

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Filed	Filing type	Reported sold	Change vs linked filing	Investors	Source
Jan 2, 2026	Amendment	$14,500,000	$0vs Jan 7, 2025	2	SEC filing
Jan 7, 2025	Amendment	$14,500,000	$0vs Nov 22, 2024	2	SEC filing
Nov 22, 2024	Amendment	$14,500,000	$0vs Sep 6, 2024	2	SEC filing
Sep 6, 2024	Amendment	$14,500,000	$0vs Sep 6, 2023	2	SEC filing
Sep 6, 2023	Amendment	$14,500,000	$0vs Sep 6, 2022	2	SEC filing
Sep 6, 2022	Initial	$14,500,000	No comparison	2	SEC filing

Offering details

Securities: Equity, Pooled investment fund
Exemptions: 06b, 3C, 3C.7
Duration over one year: Yes
Business combination: No

Sales commissions: $0 (estimated)
Finders' fees: $0 (estimated)
Form D file number: 021-458038

Source: Form D, filed Jan 2, 2026. Minimum accepted may differ from a standard advertised minimum.

Fund connections

Each card uses that adviser's latest imported filing. Filing dates can differ; these disclosures do not confirm a current relationship.

Matched by reported Form D file number

DEUTERIUM AR MASTER FUND LP

Investment adviser: DEUTERIUM CAPITAL MANAGEMENT, LLC

Gross asset value: $42.4M
Beneficial owners: 5
ADV minimum commitment: $1M

Reported in Form ADV on Jul 7, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Fund administrator MORGAN STANLEY FUND SERVICES (CAYMAN) LTD. DUBLIN, Ireland Investor statements: Yes (provided to all investors) Related to adviser: No Other funds reporting this name →

Auditor RSM CAYMAN LIMITED GRAND CAYMAN, Cayman Islands Other funds reporting this name →

Custodian MORGAN STANLEY & CO. LLC NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →

Prime broker MORGAN STANLEY & CO. LLC NEW YORK, New York, United States Other funds reporting this name →

Provider details

Annual audit: Yes
Prime brokers: Yes
Custodians: Yes
Administrator other than the adviser: Yes
External marketing: No

RSM CAYMAN LIMITED
PCAOB 49

MORGAN STANLEY & CO. LLC
SEC 8-15869

MORGAN STANLEY & CO. LLC
CRD 8209 · SEC 8-15869

Fund asset history · 4 annual observations

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Fiscal year	Gross assets	Beneficial owners	ADV filed
2022	$54,593,911	3	Mar 30, 2023
2023	$39,803,170	3	Mar 11, 2024
2024	$41,602,210	4	Mar 25, 2025
2025	$48,500,010	5	Mar 19, 2026

Filing source

Form ADV 2115428 · Jul 7, 2026 · Schedule D 7.B.(1), fund 805-1940999843

Reported by DEUTERIUM CAPITAL MANAGEMENT, LLC (CRD 294051).

Other-Than Anual Amendment For Registered Adviser.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.

People & organizations

Current and past Form D appearances. These existing records do not establish a person's current role or uniquely identify them across issuers.

People and organizations reported in Form D filings
Name	Reported role
Deuterium Absolute Return (Cayman) Fund Gp, Llc	Executive, Promoter
Deuterium Absolute Return Fund Gp, Llc	Executive, Promoter
Deuterium Capital Management, Llc	Executive, Promoter

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:

C/O Deuterium Capital Management, Llc 1150 Cleveland Street Suite 420
Clearwater, FL, 33755
Phone: 7272047570