Stephen H. Deckoff Portfolio
Invests via Black Diamond Capital Management I LLLP | Managed by Stephen H. Deckoff
Invests via Black Diamond Capital Management I LLLP
Managed by Stephen H. Deckoff
Automatically Tracked
Veteran energy-sector operator and investor focused on upstream oil & gas assets, with experience leading exploration, production and asset-turnaround programs for public and private companies. Stephen H. Deckoff has been active in corporate leadership, capital raising, asset M&A and operational optimization, engaging with private equity sponsors and credit providers. Market-relevant strengths include field-level engineering oversight, commercial negotiations and repositioning non-core portfolios to improve cash flow and reserve economics for creditors and equity holders.
Veteran energy-sector operator and investor focused on upstream oil & gas assets, with experience leading exploration, production and asset-turnaround programs for public and private companies. Stephen H. Deckoff has been active in corporate leadership, capital raising, asset M&A and operational optimization, engaging with private equity sponsors and credit providers. Market-relevant strengths include field-level engineering oversight, commercial negotiations and repositioning non-core portfolios to improve cash flow and reserve economics for creditors and equity holders.
Investment Philosophy & Strategy
Focuses on value-oriented upstream oil and gas investing that combines engineering-led operational oversight with disciplined capital allocation to unlock cash-flow and reserve upside in non-core or distressed assets. Pursues asset-turnaround and selective M&A opportunities where technical optimization, cost rationalization and commercial renegotiation can materially improve project economics. Works with private equity sponsors and credit providers to structure flexible financing, balance near-term cash generation with reserve recovery, and de-risk investments through rigorous field-level due diligence and staged capital commitments.
Focuses on value-oriented upstream oil and gas investing that combines engineering-led operational oversight with disciplined capital allocation to unlock cash-flow and reserve upside in non-core or distressed assets. Pursues asset-turnaround and selective M&A opportunities where technical optimization, cost rationalization and commercial renegotiation can materially improve project economics. Works with private equity sponsors and credit providers to structure flexible financing, balance near-term cash generation with reserve recovery, and de-risk investments through rigorous field-level due diligence and staged capital commitments.
Disclaimer: This Portfolio is derived from and computed based on publicly available data from SEC filings.
Gain and growth charts are calculated per selected timeframe:
-1.25%
Gain
Monthly
-0.13%
Yearly
-1.25%
Drawdown
17.06%
$141.33M
Equity
Holdings
$141.33M
Investment
$123.31M
$16.14M
Profit +$1.64M
Realized
-$1.88M
Unrealized
$18.02M
Dividends
$1.7M
Goals
Avg. 91% completed goals
Yearly
Gain > 5% 2026
Yearly
Gain < 20% 2026
Today
Compared To Yesterday
Gain
0%
Profit
$1.64M
Win %
50%
This Week
Compared To Last Week
Gain
-0.39%
Profit
-$556,757.01
Win %
50%
This Month
Compared to last month
Gain
-1.49%
Profit
-$2.13M
Win %
50%
This Year
Compared to last year
Gain
4.09%
Profit
$5.55M
Win %
42%
Events
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Dividends
Dividend Analysis
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| Trades 16 | Longs Won 6/16 37% | Profit Factor 3.35 |
| Profitability | Shorts Won 0/0 0% | Standard Deviation $3.97M |
| Average Win $3.84M | Best Trade (Jul 10) $12.5M | Sharpe Ratio -9.71 |
| Average Loss -$688,087.71 | Worst Trade (Jul 14) -$3.36M | Z-Score 0.55 (42.09%) |
| Commissions $0 | Avg. Trade Length 7m 1w 3d | Expectancy $1.01M |
| Loss Size | 100% | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
| Probability of Loss | - | - | - | - | - | - | - | - | - | - |
| Consecutive Losing Trades | 205 | 185 | 164 | 144 | 123 | 103 | 82 | 62 | 41 | 21 |
Hover over the desired column for a detailed explanation.
Returns
Overall, MonthlyNo Data
Option values are updated at end of day.
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Option values are updated at end of day.
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