Form D · Hedge Fund

Sosin Partners, LP

Westport, CT · CIK 0001600108

Offering snapshot reported Jul 10, 2026 · SEC filing

Reported sold: $380M
Investors reported: 167
Minimum accepted: $1M
First sale: Jun 1, 2012

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$379,003,877 → $380,003,877
Reported investors166 → 167

Filing history

Scroll to see all columns →

Filed	Filing type	Reported sold	Change vs linked filing	Investors	Source
Jul 10, 2026	Amendment	$380,003,877	$1,000,000vs Jul 11, 2025	167	SEC filing
Jul 11, 2025	Amendment	$379,003,877	$3,986,829vs Jul 1, 2024	166	SEC filing
Jul 1, 2024	Amendment	$375,017,048	$47,964,630vs Jun 22, 2023	165	SEC filing
Jun 22, 2023	Amendment	$327,052,418	$1,150,000vs Jun 15, 2022	157	SEC filing
Jun 15, 2022	Amendment	$325,902,418	$40,455,335vs May 21, 2021	156	SEC filing
May 21, 2021	Amendment	$285,447,083	$78,083,334vs May 22, 2020	142	SEC filing
May 22, 2020	Amendment	$207,363,749	$139,930,439vs May 22, 2019	93	SEC filing
May 22, 2019	Amendment	$67,433,310	-$29,731,712vs Apr 10, 2018	62	SEC filing
Apr 10, 2018	Amendment	$97,165,022	$6,000,000vs Mar 17, 2017	52	SEC filing
Mar 17, 2017	Amendment	$91,165,022	$35,866,275vs Mar 18, 2016	44	SEC filing
Mar 18, 2016	Amendment	$55,298,747	$13,455,000vs Mar 18, 2015	33	SEC filing
Mar 18, 2015	Amendment	$41,843,747	$16,843,747vs Mar 18, 2014	28	SEC filing
Mar 18, 2014	Amendment	$25,000,000	$0vs Feb 28, 2014	15	SEC filing
Feb 28, 2014	Initial	$25,000,000	No comparison	15	SEC filing

Offering details

Securities: 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: 021-212744

Source: Form D, filed Jul 10, 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

SOSIN PARTNERS, L.P.

Investment adviser: CAS INVESTMENT PARTNERS, LLC

Gross asset value: $545M
Beneficial owners: 75
ADV minimum commitment: $1M

Reported in Form ADV on Apr 17, 2020. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Fund administrator PANOPTIC FUND ADMINISTRATION, LLC LOS ANGELES, California, United States Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor SPICER JEFFRIES GREENWOOD VILLAGE, Colorado, United States

Custodian PERSHING LLC JERSEY CITY, New Jersey, United States Related to adviser: No

Custodian RAYMOND JAMES (USA) LTD. VANCOUVER, Canada Related to adviser: No

Prime broker BTIG, 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

SPICER JEFFRIES
PCAOB 349

PERSHING LLC
SEC 8-17574

RAYMOND JAMES (USA) LTD.
SEC 8-42071

BTIG, LLC
CRD 122225 · SEC 8-65473

Filing source

Form ADV 1414463 · Apr 17, 2020 · Schedule D 7.B.(1), fund 805-7213529795

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
Clifford Sosin	Executive
N/A Sosin, Llc	Promoter

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:

8 Wright Street Floor 1
Westport, CT, 06880