13D Management LLC
โขCIK: 1600133โขFiling: Q4 2025
**13D Management LLC** is a focused, actively managed fund with $84M in assets under management. The portfolio maintains concentrated exposure across 16 distinct positions, notably allocating $8.6M to TWLO and $7.6M to MRCY. Key holdings also include significant allocations to VSAT ($7.0M), ALV ($6.6M), and PSO ($6.4M). This structure suggests a conviction-driven approach targeting specific market opportunities within its selected sectors.
Total AUM
$84.0M
QoQ Performance
-19.4%
Positions
16
Top 10 Concentration
73.3%
Latest Filing
Q4 2025
Top Holdings Allocation
TWLO
MRCY
VSAT
ALV
PSO
CRL
EX9
SWX
TWLO10.3%
MRCY9.0%
VSAT8.3%
ALV7.9%
PSO7.7%
CRL6.6%
EX96.3%
SWX6.1%
๐ Biggest Buys
๐ Biggest Sells
Sector Breakdown
Other100.0%
๐ช Exited Positionssold since Q3 2025
+1 more exited positions
Changes from Q3 2025
NEW4 new positions
โ3 decreased
Historical Filings
Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023