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

LONGFELLOW INVESTMENT MANAGEMENT CO LLC

$480M in tracked AUM across 243 positions as of Q1 2026.

LI
CIK 0001167487 · last filed Mar 31, 2026
Total AUM
$480M
as of Q1 2026
Holdings
243
—
positions
Whale Score
51
51
tracked
Activity
—
no data
changes this Q
AI Analysis · 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

2026Q1Mar 31
$480M▲ 8.2%
243 positionsView →2025Q4Dec 31
$443M▲ 5.1%
234 positionsView →2025Q3Sep 30
$422M▲ 4.3%
258 positionsView →2025Q2Jun 30
$404M▼ 1.4%
265 positionsLocked2025Q1Mar 31
$410M▲ 5.4%
275 positionsLocked2024Q4Dec 31
$389M▼ 2.6%
280 positionsLocked2024Q3Sep 30
$399M▲ 0.3%
261 positionsLocked2024Q2Jun 30
$398M▼ 9.9%
258 positionsLocked2024Q1Mar 31
$442M▲ 9.1%
278 positionsLocked2023Q4Dec 31
$405M▲ 7.3%
260 positionsLocked2023Q3Sep 30
$378M▼ 13.2%
250 positionsLocked2023Q2Jun 30
$435M▼ 0.4%
271 positionsLocked
Showing 12 of 81