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LONGFELLOW INVESTMENT MANAGEMENT CO LLC

Location
BOSTON, MA
Portfolio Value
Small $476,139,439
Diversification
Diversified
Filing Date
Global Rank
#2,953 / 8,700 ▲ 638
Top Industry
Oil & Gas Midstream 44.2%
Period ended 2 months ago
Filed Aug 6, 2026 · 38d
26 quarters · since Mar 2020

Portfolio Concentration

221 tracked positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026
Top Position
8.8%
−0.0 pts
Top 5
37.8%
+0.3 pts
Top 10
53.0%
−0.4 pts
HHI
377
Sep 2023 → Jun 2026 · range 376 – 747
Diversified+1

Portfolio Trend

26 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026
Sector % Portfolio Value
Energy 45.8% $218,086,519
Financial Services 12.2% $57,956,082
Communication Services 8.2% $39,243,915
Industrials 6.4% $30,322,322
Real Estate 5.4% $25,558,725
Consumer Defensive 5.3% $25,450,418
Healthcare 4.8% $23,051,358
Technology 4.8% $22,885,117
Consumer Cyclical 3.4% $16,101,180
Basic Materials 3.4% $16,013,804
Utilities 0.3% $1,381,411
Unclassified 0.0% $88,588

Last Quarter's Activity

Export CSV
Jun 30, 2026 vs Mar 31, 2026

Added To

Positions the filer increased
25 positions
Ticker Δ Shares Shares Value Open
+4,898 10,365 $0

Trimmed

Positions the filer reduced
25 positions
Ticker Δ Shares Shares Value Open

New Positions

Positions the filer opened this quarter
25 positions
Ticker Shares Value Open
2,755 $78,434
3,015 $75,013
159 $56,370
113 $3,430

Sold Out

Positions the filer fully exited
25 positions
Ticker Shares Value Open
118,150 $2,951,387
1,610 $0
942 $0
429 $0
4,013 $0
1,860 $0
470 $0

Portfolio Positions

Export CSV View 13F filing
221 tracked positions · $476,139,439 total · filing declares 244 positions · $489,087,343 · as of Jun 30, 2026
Showing 1–50 of 221 positions by value · page 1 of 5
Ticker Company Shares Value (USD) % of Portfolio History

Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.