Diameter Capital Partners LP
Diameter Capital Partners LP is an investment management firm headquartered in New York, NY, United States. The firm was founded in 2017 and specializes in credit-focused investment management, particularly targeting opportunistic and event-driven strategies across corporate and structured credit markets. As of 2025, the firm serves institutional investors and manages under a hedge fund structure. The team is composed of highly experienced professionals with backgrounds across leading investment banks and asset management firms.
Investment Strategy
Diameter Capital Partners LP primarily employs a credit-focused investment strategy, targeting both liquid and illiquid opportunities in the corporate and structured credit markets. The firm's approach is opportunistic and event-driven, with a focus on identifying relative value positions, capital structure arbitrage, and mispriced securities. It utilizes in-depth fundamental analysis and an active trading approach, seeking differentiated risk-adjusted returns while maintaining disciplined risk management.
Latest 13F Filing Activity
Diameter Capital Partners LP filed their most recent 13F report on Jun 30, 2025 disclosing 18 equity positions and 4 options positions with a total 13F market value of $876M. The fund increased holdings in RH, Commscope HLDG Co. Inc., Warner Bros Discovery Inc. among other positions. Diameter Capital Partners LP reduced exposure to Echostar Corp., Sila Realty Trust Inc., Mercury Genl Corp. New among others.
Top Holdings
Equity Positions (18)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
S SATS | ECHOSTAR CORP | 10.37% | $90.8M | 3,278,986 | $22.16 | $27.70 | -$63.3M |
C COMM | COMMSCOPE HLDG CO INC | 4.58% | $40.1M | 4,841,158 | $6.62 | $8.28 | +$25.7M |
W WBD | WARNER BROS DISCOVERY INC | 4.45% | $39.0M | 3,400,000 | $10.14 | $11.46 | +$19.1M |
R RH | RH | 3.10% | $27.2M | 143,745 | $189.01 | $189.01 | +$27.2M |
C CCO | CLEAR CHANNEL OUTDOOR HLDGS | 2.00% | $17.6M | 15,000,000 | $1.29 | $1.17 | +$7.6M |
Options Positions (4)
| Ticker | Security | Action | Type | Notional Value | Contracts | Underlying Price | Premium Paid | Change (Contracts) | Change (Value) |
|---|---|---|---|---|---|---|---|---|---|
I IWM | ISHARES TR | Bought | Put | $329.1M | 15,250 | $215.79 | $205.10 | +5,250 | +$129.6M |
S SATS | ECHOSTAR CORP | New | Call | $102.5M | 37,000 | $27.70 | $27.70 | +37,000 | +$102.5M |
W WBD | WARNER BROS DISCOVERY INC | Sold | Call | $80.2M | 70,000 | $11.46 | $9.80 | -10,000 | -$5.6M |
S SATS | ECHOSTAR CORP | New | Put | $5.5M | 2,000 | $27.70 | $27.70 | +2,000 | +$5.5M |