Diameter Capital Partners LP reported 29 positions worth $799.75M for the quarter ended Jun 30, 2026, up 91.7% on the prior quarter. It opened 17 new positions, added to 5, trimmed 5 and exited 3. Its largest holding is Ishares Gold Trust at 31.8% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| IAU Ishares Gold Trust | +3.36M | – | $253.99M | 31.76% |
| TDS Telephone & Data Systems Inc | +1.68M | – | $62.03M | 7.76% |
| SPCX Space Exploration Technologies Corp | +250.0K | – | $42.72M | 5.34% |
| MBC MasterBrand, Inc. | +3.23M | +209.2% | $33.28M | 6.15% |
| WOLF Wolfspeed, Inc. | +11.97M | – | $29.69M | 3.71% |
| JHX James Hardie Industries plc | +1.12M | +2,244.2% | $29.38M | 3.84% |
| KEEL Keel Infrastructure Corp. | +20.50M | – | $23.48M | 2.94% |
| CMCSA Comcast Corp | +840.0K | – | $20.62M | 2.58% |
| OVV Ovintiv Inc. | +390.0K | – | $20.53M | 2.57% |
| VISN Vistance Networks, Inc. | +950.0K | +118.8% | $12.14M | 2.8% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| ECHO EchoStar CORP | -1.14M | -77.8% | $116.10M | 4.15% |
| PCG PG&E Corp | -1.20M | -100.0% | $21.08M | Exited |
| UWMC UWM Holdings Corp | -5.80M | -100.0% | $21.00M | Exited |
| UNIT Uniti Group Inc. | -1.68M | -29.6% | $19.29M | 5.74% |
| SLRC SLR Investment Corp. | -827.1K | -100.0% | $11.84M | Exited |
| BBDC Barings BDC, Inc. | -1.38M | -93.4% | $11.72M | 0.103% |
| NCDL Nuveen Churchill Direct Lending Corp. | -774.7K | -56.2% | $9.62M | 0.939% |
| PFLT PennantPark Floating Rate Capital Ltd. | -755.2K | -45.6% | $5.65M | 0.842% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| IAU Ishares Gold Trust | +3.36M | $253.99M | 31.76% |
| TDS Telephone & Data Systems Inc | +1.68M | $62.03M | 7.76% |
| SPCX Space Exploration Technologies Corp | +250.0K | $42.72M | 5.34% |
| WOLF Wolfspeed, Inc. | +11.97M | $29.69M | 3.71% |
| KEEL Keel Infrastructure Corp. | +20.50M | $23.48M | 2.94% |
| CMCSA Comcast Corp | +840.0K | $20.62M | 2.58% |
| OVV Ovintiv Inc. | +390.0K | $20.53M | 2.57% |
| SEI Solaris Energy Infrastructure, Inc. | +150.0K | $12.07M | 1.51% |
| CHTR Charter Communications, Inc. | +75.0K | $10.67M | 1.33% |
| CBRS Cerebras Systems Inc. | +35.0K | $7.74M | 0.967% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | IAU Ishares Gold Trust | Others | 3.36M | $253.99M | 31.76% | +3.36M | – | New | 0.43% |
| 2 | TDS Telephone & Data Systems Inc | Communication Services | 1.68M | $62.03M | 7.76% | +1.68M | – | New | 1.46% |
| 3 | MBC MasterBrand, Inc. | Consumer Discretionary | 4.78M | $49.18M | 6.15% | +3.23M | +209.2% | Added | 2.35% |
| 4 | UNIT Uniti Group Inc. | Communication Services | 4.00M | $45.88M | 5.74% | -1.68M | -29.6% | Reduced | 1.58% |
| 5 | SPCX Space Exploration Technologies Corp | Industrials | 250.0K | $42.72M | 5.34% | +250.0K | – | New | 0% |
| 6 | FBIN Fortune Brands Innovations, Inc. | Industrials | 696.4K | $38.23M | 4.78% | +16.4K | +2.4% | Added | 0.58% |
| 7 | ECHO EchoStar CORP | Communication Services | 326.8K | $33.17M | 4.15% | -1.14M | -77.8% | Reduced | 0.11% |
| 8 | JHX James Hardie Industries plc | Industrials | 1.17M | $30.69M | 3.84% | +1.12M | +2,244.2% | Added | 0.2% |
| 9 | WOLF Wolfspeed, Inc. | Technology | 11.97M | $29.69M | 3.71% | +11.97M | – | New | 22.95% |
| 10 | AMBP Ardagh Metal Packaging S.A. | Basic Materials | 5.03M | $23.84M | 2.98% | +563.0K | +12.6% | Added | 0.84% |
| 11 | KEEL Keel Infrastructure Corp. | Technology | 20.50M | $23.48M | 2.94% | +20.50M | – | New | 3.32% |
| 12 | VISN Vistance Networks, Inc. | Technology | 1.75M | $22.37M | 2.8% | +950.0K | +118.8% | Added | 0.77% |
| 13 | CMCSA Comcast Corp | Communication Services | 840.0K | $20.62M | 2.58% | +840.0K | – | New | 0.02% |
| 14 | OVV Ovintiv Inc. | Energy | 390.0K | $20.53M | 2.57% | +390.0K | – | New | 0.14% |
| 15 | MAGN Magnera Corp | Basic Materials | 1.21M | $14.17M | 1.77% | 0 | 0.0% | Unchanged | 3.36% |
Tip. Select a row to see that position’s full history at Diameter Capital Partners.
As of its Q2 2026 13F filing, Diameter Capital Partners LP’s five largest positions were Ishares Gold Trust (IAU) at 31.8%, Telephone & Data Systems Inc (TDS) at 7.8%, MasterBrand, Inc. (MBC) at 6.1%, Uniti Group Inc. (UNIT) at 5.7%, Space Exploration Technologies Corp (SPCX) at 5.3% of the reported portfolio.
Diameter Capital Partners LP reported a 13F portfolio worth $799.75M across 29 positions for Q2 2026. That is up 91.7% from the previous quarter.
Its largest purchases by value were Ishares Gold Trust ($253.99M), Telephone & Data Systems Inc ($62.03M), Space Exploration Technologies Corp ($42.72M). It opened 17 new positions.
Its largest sales by value were EchoStar CORP ($116.10M), PG&E Corp ($21.08M), UWM Holdings Corp ($21.00M). It exited 3 positions entirely.
From the Form 13F-HR reports Diameter Capital Partners LP files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.