Form D · Hedge Fund

Osmium Diamond, LP

San Anselmo, CA · CIK 0001589408

Offering snapshot reported May 19, 2026 · SEC filing

Reported sold: $29.3M
Investors reported: 11
Minimum accepted: $500K
First sale: Oct 1, 2013

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.

Reported sold$28,462,000 → $29,324,259
Reported investors21 → 11

Filing history

Scroll to see all columns →

Filed	Filing type	Reported sold	Change vs linked filing	Investors	Source
May 19, 2026	Amendment	$29,324,259	$862,259vs Dec 3, 2021	11	SEC filing
Dec 3, 2021	Amendment	$28,462,000	-$163,503vs Dec 7, 2020	21	SEC filing
Dec 7, 2020	Amendment	$28,625,503	$13,670,731vs Dec 6, 2019	21	SEC filing
Dec 6, 2019	Amendment	$14,954,772	$1,379,996vs Dec 6, 2018	22	SEC filing
Dec 6, 2018	Amendment	$13,574,776	$2,746,635vs Dec 6, 2017	22	SEC filing
Dec 6, 2017	Amendment	$10,828,141	$599,069vs Dec 9, 2016	22	SEC filing
Dec 9, 2016	Amendment	$10,229,072	$1,067,010vs Dec 8, 2015	21	SEC filing
Dec 8, 2015	Amendment	$9,162,062	-$3,354,176vs Dec 9, 2014	24	SEC filing
Dec 9, 2014	Amendment	$12,516,238	$1,406,238vs Nov 26, 2013	24	SEC filing
Nov 26, 2013	Initial	$11,110,000	No comparison	21	SEC filing

Offering details

Securities: Equity, Pooled investment fund
Exemptions: 06b, 3C, 3C.1
Duration over one year: Yes
Business combination: No

Sales commissions: $0
Finders' fees: $0
Form D file number: 021-207005

Source: Form D, filed May 19, 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

OSMIUM DIAMOND, LP

Investment adviser: OSMIUM PARTNERS, LLC

Gross asset value: $1.81M
Beneficial owners: 12
ADV minimum commitment: $500K

Reported in Form ADV on Mar 31, 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 RICHEY MAY ENGLEWOOD, Colorado, United States

Custodian CLEAR STREET LLC NEW YORK, New York, United States Related to adviser: No

Custodian NORTHBROOK BANK & TRUST NORTHBROOK, Illinois, United States Related to adviser: No

Custodian WELLS FARGO PRIME SERVICES, LLC NEW YORK, New York, United States Related to adviser: No

Prime broker CLEAR STREET LLC NEW YORK, New York, United States

Prime broker WELLS FARGO PRIME SERVICES, LLC NEW YORK, New York, United States

Provider details

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

RICHEY MAY
PCAOB 673

CLEAR STREET LLC
SEC 8-69972

NORTHBROOK BANK & TRUST
LEI CLHA5EVJO4FMZ2WOBV70

WELLS FARGO PRIME SERVICES, LLC
SEC 8-66677

CLEAR STREET LLC
CRD 288933 · SEC 8-69972

WELLS FARGO PRIME SERVICES, LLC
CRD 133068 · SEC 8-66677

Filing source

Form ADV 2068592 · Mar 31, 2026 · Schedule D 7.B.(1), fund 805-8028357457

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
John H. Lewis	Director, Executive

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:

5 Ross Avenue
San Anselmo, CA, 94960