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Heronetta Management, L.P.
Hedge Fund • Sector
Heronetta Management, L.P. is a Sector-focused Hedge Fund based in New York, NY led by Henry Reynolds Breck, reporting $324.1M in AUM as of Q3 2025 with 81% Energy concentration and 70% concentrated in top 10 holdings.
Managing PartnerHenry Reynolds Breck
- Portfolio Value
- $187.0M
- Positions
- 26
- Top Holding
- MPLX at 9.51%
- Last Reported
- Q3 2025
Top Holdings
Largest long holdings in Heronetta Management, L.P.'s portfolio (70.3% of total portfolio)
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| Holding | Sector | Position | Weight | Traded | Ownership |
|---|---|---|---|---|---|
Oil & Gas Midstream Energy | $17.8M | 9.51% | — | 0.03% 356.1K shares | |
Oil & Gas Midstream Energy | $17.5M | 9.36% | — | 0.02% 276.3K shares | |
Oil & Gas Midstream Energy | $17.2M | 9.18% | — | 0.03% 549.2K shares | |
Oil & Gas Midstream Energy | $15.2M | 8.11% | — | 0.03% 884.2K shares | |
Oil & Gas Midstream Energy | $13.3M | 7.09% | — | 0.01% 193.3K shares | |
Oil & Gas Midstream Energy | $11.4M | 6.08% | -$73.0K Sold | 0.02% 155.8K shares | |
Oil & Gas Midstream Energy | $10.8M | 5.80% | — | 0.03% 197.7K shares | |
Oil & Gas Midstream Energy | $10.1M | 5.42% | +$147.7K Bought | 0.01% 137.3K shares | |
Railroads Industrials | $9.3M | 4.95% | — | 0.01% 89.3K shares | |
Oil & Gas Midstream Energy | $9.0M | 4.80% | — | 0.06% 228.6K shares |
Changes
Portfolio activity, position movements, and quarter-over-quarter changes in Heronetta Management, L.P.'s latest filing
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Market Value
Q/Q Change
Net Flows % of MV
Turnover Ratio
New Purchases
Added To
Sold Out Of
Reduced Holdings
Decreased Positions
| Position | Shares Δ |
|---|---|
-0.64% |
Analytics
Portfolio insights and performance metrics for Heronetta Management, L.P.
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