Form D · Hedge Fund

Cimarron Energy Spectrum, L.P.

Juneau, AK · CIK 0001638891

Offering snapshot reported Mar 18, 2026 · SEC filing

Reported sold: $18.7M
Investors reported: 59
Minimum accepted: $1
First sale: Apr 1, 2015

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
Mar 18, 2026	Amendment	$18,737,904	$0vs Mar 3, 2025	59	SEC filing
Mar 3, 2025	Amendment	$18,737,904	$0vs Mar 1, 2024	59	SEC filing
Mar 1, 2024	Amendment	$18,737,904	$400,000vs Mar 1, 2023	59	SEC filing
Mar 1, 2023	Amendment	$18,337,904	$2,125,000vs Mar 1, 2022	58	SEC filing
Mar 1, 2022	Amendment	$16,212,904	$100,000vs Mar 1, 2021	56	SEC filing
Mar 1, 2021	Amendment	$16,112,904	$0vs Mar 2, 2020	56	SEC filing
Mar 2, 2020	Amendment	$16,112,904	$5,005,333vs Mar 1, 2019	56	SEC filing
Mar 1, 2019	Amendment	$11,107,571	-$2,858,113vs Mar 5, 2018	39	SEC filing
Mar 5, 2018	Amendment	$13,965,684	$1,377,413vs Mar 2, 2018	45	SEC filing
Mar 2, 2018	Amendment	$12,588,271	-$3,446,794vs Mar 6, 2017	45	SEC filing
Mar 6, 2017	Amendment	$16,035,065	$7,729,796vs Mar 9, 2016	48	SEC filing
Mar 9, 2016	Amendment	$8,305,269	$3,832,769vs Apr 9, 2015	35	SEC filing
Apr 9, 2015	Initial	$4,472,500	No comparison	18	SEC filing

Offering details

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

Sales commissions: $0
Finders' fees: $0
Form D file number: 021-237665

Source: Form D, filed Mar 18, 2026. Minimum accepted may differ from a standard advertised minimum.

Fund connections

The linked fund shows its most recently reported ADV details.

Matched by reported Form D file number

CIMARRON ENERGY SPECTRUM, L.P.

Investment adviser: 1207 CAPITAL GROUP, LLC

Gross asset value: $6.68M
Beneficial owners: 27
ADV minimum commitment: $250K

Reported in Form ADV on Mar 30, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Fund administrator NAV CONSULTING, INC. OAKBROOK TERRACE, Illinois, United States Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor RSM US LLP DENVER, Colorado, United States

Custodian CIBC BANK USA CHICAGO, Illinois, United States Related to adviser: No

Custodian INTERACTIVE BROKERS LLC GREENWICH, Connecticut, United States Related to adviser: No

Prime broker INTERACTIVE BROKERS LLC GREENWICH, Connecticut, United States

Provider details

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

RSM US LLP
PCAOB 49

CIBC BANK USA
LEI FDXQ75GPEQKRPWABYN63

INTERACTIVE BROKERS LLC
SEC 8-47257

INTERACTIVE BROKERS LLC
CRD 36418 · SEC 8-47257

Filing source

Form ADV 2076696 · Mar 30, 2026 · Schedule D 7.B.(1), fund 805-7299816219

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; 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
N/A 1207 Capital Group, Llc	Director, Promoter
R. Mark Jernigan	Executive

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:

C/O 1207 Capital Group, Llc 119 Seward St., Suite 2
Juneau, AK, 99801