13D Management LLC
Hedge Fund • Long/Short
13D Management LLC is a Long/Short Hedge Fund based in New York, NY led by Kenneth Bradley Squire, reporting $138.8M in AUM as of Q3 2025 with 65% concentrated in top 10 holdings.
CIOKenneth Bradley Squire
- Portfolio Value
- $104.3M
- Positions
- 18
- Top Holding
- MRCY at 10.17%
- Last Reported
- Q3 2025
Top Holdings
Largest long holdings in 13D Management LLC's portfolio (64.6% of total portfolio)
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| Holding | Sector | Position | Weight | Traded | Ownership |
|---|---|---|---|---|---|
Aerospace & Defense Industrials | $10.6M | 10.17% | — | 0.23% 137.0K shares | |
Semiconductors Technology | $8.1M | 7.75% | — | 0.10% 88.7K shares | |
Communication Equipment Technology | $7.8M | 7.50% | +$7.8M New | 0.20% 267.0K shares | |
Auto - Parts Consumer Cyclical | $6.9M | 6.61% | — | 0.07% 55.8K shares | |
Unknown Unknown | $6.5M | 6.22% | — | — 458.3K shares | |
Internet Content & Information Communication Services | $6.1M | 5.83% | — | 0.04% 60.8K shares | |
Asset Management Financial Services | $6.0M | 5.75% | — | 0.09% 134.7K shares | |
Auto - Dealerships Consumer Cyclical | $5.2M | 5.00% | -$1.4M Sold | 0.11% 21.3K shares | |
Specialty Retail Consumer Cyclical | $5.2M | 4.95% | — | 0.08% 77.8K shares | |
Regulated Gas Utilities | $5.0M | 4.79% | -$2.6M Sold | 0.09% 63.8K shares |
Changes
Portfolio activity, position movements, and quarter-over-quarter changes in 13D Management LLC's latest filing
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Decreased Positions
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Analytics
Portfolio insights and performance metrics for 13D Management LLC
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