Investment adviser · CRD 104945

LONGFELLOW INVESTMENT MANAGEMENT CO. LLC

Investment adviser filing (IA)

BOSTON, MA, United States · Form ADV filed Aug 6, 2026

Regulatory AUM: $23.4B
Client accounts: 192
Employees: 51
Advisory professionals: 24

Who they report serving

Form ADV · Item 5.D

Client types and their share of reported regulatory assets.

Client type	Clients	Regulatory assets	Share of AUM
Retirement plans	23	$7,238,200,407	30.9%
Government entities	24	$6,102,424,390	26.0%
Corporations & businesses	35	$5,101,245,775	21.8%
Charities	43	$3,312,814,219	14.1%
Insurance companies	18	$1,016,070,029	4.3%
Banks & thrifts	Fewer than 5	$327,014,935	1.4%
High-net-worth individuals	15	$240,340,475	1.0%
Investment companies	1	$100,372,686	0.4%
Pooled investment vehicles	1	$3,591,514	0.0%

Filing source

Form ADV 2123658 · Aug 6, 2026 · Item 5.D

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Private funds & service providers

1 Private fund

The count excludes feeder funds. Funds in the latest filing appear first, ordered by reported gross assets. Earlier funds retain their last reported values.

BULWARKBAY CREDIT OPPORTUNITIES MASTER FUND LTDHedge Fund · Last reported Apr 12, 2019$33.1MGross asset value

Feeder funds

BULWARKBAY CREDIT OPPORTUNITIES FUND LP

Fund administrator ALPS FUND SERVICES, INC. DENVER, Colorado, United States Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor MARCUM LLP BOSTON, Massachusetts, United States

Custodian COLORADO STATE BANK & TRUST DENVER, Colorado, United States Related to adviser: No

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

Prime broker PERSHING LLC JERSEY CITY, New Jersey, United States

Provider details

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

MARCUM LLP
PCAOB 688

PERSHING LLC
SEC 8-17574

PERSHING LLC
CRD 7560 · SEC 8-17574

Fund details & source

Fund ID: 805-3637119562
Reported beneficial owners: 7
Minimum commitment: $1M
Form D file number: 021-168337

Form ADV 1310099 · Apr 12, 2019 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Services & filing details

Most recent filing: Aug 6, 2026. View historical filings

Reported services

Individual portfolio management · Pooled investment vehicle management · Business portfolio management

Compensation

Percentage of assets · Fixed · Performance-based

Principal office

125 HIGH STREET, SUITE 832
BOSTON, MA, 02110, United States

CRD 104945

Filing source

Form ADV 2123658 · Aug 6, 2026 · Items 1 & 5

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.