LONGFELLOW INVESTMENT MANAGEMENT CO. LLC
C26
CRD 104945·SEC 801-27485·BOSTON, MA
AUM
$23.44B
$1B+
Est. Revenue
$234.4M
@ 1% on AUM
Est. EBITDA
$70.3M
@ 30% margin
Est. Deal Value
$562.6M
@ 8× EBITDA
Identity
Registrations & legal identity
Economics
AUM trajectory
'20 · $10.89B
'21 · $11.28B
'22 · $14.71B
'23 · $18.13B
'25 · $18.93B
'26 · $23.44B
'20'26
$10.89B → $23.44B▲ +115%
Client mix
| Charitable Organizations | 43 |
| Corporations | 35 |
| State Or Municipal Govt | 24 |
| Pension Profit Sharing Plans | 23 |
| Insurance Companies | 18 |
Operations
Advisory staff (5-yr trend)
'20 · 18 advisors
'21 · 21 advisors
'22 · 23 advisors
'23 · 28 advisors
'25 · 24 advisors
'26 · 24 advisors
'20'26
18 advisors → 24 advisors▲ +33%
Branches
—
Custodian & Brokerage
Services offered
Portfolio mgmt — individualsPortfolio mgmt — pooled vehiclesPortfolio mgmt — businesses
Filings
Compliance
Trademark
—
Additional signalsExpand ▾
Ownership & succession ★
Who controls the firm + pre-computed succession flags
Availability / M&A ★
Already-acquired = skip; deal comps
Web presence ★
Stale website = winding down
Retirement-plan book (Form 5500) ★
401(k)/plan business — cross-sell value
SEC EDGAR
Compliance & brand
All other collected signals (18)
Everything else we've pulled for this record, not yet curated into a section.
Edgar Addresses
Mailing
125 HIGH STREET, SUITE 832BOSTON, MA 02110
Business
125 HIGH STREET, SUITE 832BOSTON, MA 02110
Edgar Recent Filings
13F-HR2026-05-12 · 0001167487-26-000005
13F-HR2026-02-11 · 0001167487-26-000003