13F Insight
DOSSIER · 13F-HR · Q1 2026

LONGFELLOW INVESTMENT MANAGEMENT CO LLC

LONGFELLOW INVESTMENT's family office based in Stamford, CT — $480M in tracked AUM across 243 positions as of Q1 2026.

LI
LONGFELLOW INVESTMENT·Stamford, CT·Family Office
CIK 0001167487 · last filed Mar 31, 2026
Total AUM
$480M
▲ 3.9%
vs prior
Holdings
243
—
positions
Whale Score
54
54
tracked
Activity
—
no data
changes this Q
Top sector
Tech
48% weight
concentration
AI Analysis · Q1 2026 · Q1 2026

LONGFELLOW INVESTMENT MANAGEMENT CO LLC filed its latest 13F-HR for Q1 2026. See the latest holdings and position changes below.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
ET
ENERGY TRANSFER L P
$42M2.2M8.8%
02
EPD
ENTERPRISE PRODS PARTNERS L
$39M1.0M8.1%
03
WES
WESTERN MIDSTREAM PARTNERS L
$38M915K7.8%
04
MPLX
MPLX LP
$33M579K6.9%
05
PAA
PLAINS ALL AMERN PIPELINE L
$27M1.2M5.7%
06
HESM
HESS MIDSTREAM LP
$22M570K4.6%
07
CMCSA
COMCAST CORP NEW
$16M552K3.3%
08
VZ
VERIZON COMMUNICATIONS INC
$16M313K3.3%
09
BX
BLACKSTONE INC
$13M110K2.6%
10
APD
AIR PRODUCTS AND CHEMICALS I
$10M35K2.1%

Filing history

Filing history loading…