Form D · Hedge Fund

Mariner Peconic Bay Fund, LLC

New York, NY · CIK 0002042423

Offering snapshot reported Jan 8, 2026 · SEC filing

Reported sold: $234M
Investors reported: 59
Minimum accepted: $10K
First sale: Nov 5, 2024

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$97,075,000 → $234,051,713
Reported investors31 → 59

Filing history

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Filed	Filing type	Reported sold	Change vs linked filing	Investors	Source
Jan 8, 2026	Amendment	$234,051,713	$136,976,713vs Jan 8, 2025	59	SEC filing
Jan 8, 2025	Amendment	$97,075,000	No comparison	31	SEC filing
Oct 24, 2024	Initial	Yet to sell	No comparison	0	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: 021-527683

Sales compensation recipients

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Recipient	CRD	Associated broker-dealer
Mariner Group Capital Markets, LLC	25878
Vigilant Distributors, LLC	285573

Source: Form D, filed Jan 8, 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

MARINER PECONIC BAY FUND, LLC

Investment adviser: MARINER INVESTMENT GROUP, LLC

Gross asset value: $343M
Beneficial owners: 80
ADV minimum commitment: $5M

Reported in Form ADV on Aug 28, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Fund administrator MUFG FUND SERVICES CAYMAN LIMITED HALIFAX, Canada Investor statements: Yes (provided to all investors) Related to adviser: No Other funds reporting this name →

Auditor KPMG LLP STAMFORD, Connecticut, United States Other funds reporting this name →

Custodian J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →

Marketer VIGILANT DISTRIBUTORS, LLC NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →

Prime broker J.P. MORGAN SECURITIES 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: Yes

KPMG LLP
PCAOB 185

J.P. MORGAN SECURITIES LLC
SEC 8-35008

VIGILANT DISTRIBUTORS, LLC
CRD 285573 · SEC 8-69854

J.P. MORGAN SECURITIES LLC
CRD 79 · SEC 8-35008

Fund asset history · 2 annual observations

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Fiscal year	Gross assets	Beneficial owners	ADV filed
2024	$97,926,985	27	Feb 28, 2025
2025	$176,414,814	52	Mar 31, 2026

Filing source

Form ADV 2129592 · Aug 28, 2026 · Schedule D 7.B.(1), fund 805-9493812420

Reported by MARINER INVESTMENT GROUP, LLC (CRD 124744).

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
Charles Howe Ii	Executive
N/A Mariner Investment Group, Llc	Promoter
Peter O'rourke	Executive

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:

299 Park Avenue 5 Th Floor
New York, NY, 10171
Phone: (914) 670-4300