Diameter Capital Partners LP: 13F holdings, Q2 2026
Hedge fund · SEC EDGAR filings (CIK 1727012) · Explore on the interactive board
Diameter Capital Partners LP disclosed 32 US equity positions worth $939.7m in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 14, 2026). Its largest position is IAU at 27.0% of the reported book, followed by SHARONAI HOLDINGS INC, TDS. The top ten holdings are 75.8% of the book, and the portfolio behaves like about 9 equal-weight positions. Versus the prior filing it opened 19 new positions, added to 5, reduced 6 and exited 7. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.
What does Diameter Capital Partners LP own? Top holdings as of June 30, 2026
Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 19 new, 5 added, 6 reduced, 7 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | IAU ISHARES GOLD TR | 27.0% | $254.0m | 3,363,600 | – | new | |
| 2 | SHARONAI HOLDINGS INC | 13.5% | $126.7m | 108,500,000 | – | new | |
| 3 | TDS TELEPHONE & DATA SYS INC | Communication Services | 6.6% | $62.0m | 1,675,955 | – | new |
| 4 | MBC MASTERBRAND INC | Consumer Cyclical | 5.2% | $49.2m | 4,779,445 | 209% | added |
| 5 | UNIT UNITI GROUP LLC | Real Estate | 4.9% | $45.9m | 4,000,000 | -30% | reduced |
| 6 | SPCX SPACE EXPLORATION TECHN CORP | Industrials | 4.5% | $42.7m | 250,000 | – | new |
| 7 | FBIN FORTUNE BRANDS INNOVATIONS I | Industrials | 4.1% | $38.2m | 696,350 | 2% | added |
| 8 | ECHO ECHOSTAR CORP | Communication Services | 3.5% | $33.2m | 326,754 | -78% | reduced |
| 9 | JHX JAMES HARDIE INDS PLC | Basic Materials | 3.3% | $30.7m | 1,172,112 | 2244% | added |
| 10 | WOLFSPEED INC | 3.2% | $29.7m | 11,970,000 | – | new | |
| 11 | AMBP ARDAGH METAL PACKAGING S A | Consumer Cyclical | 2.5% | $23.8m | 5,030,465 | 13% | added |
| 12 | VISN VISTANCE NETWORKS INC | Technology | 2.4% | $22.4m | 1,750,000 | 119% | added |
| 13 | CMCSA COMCAST CORP NEW | Communication Services | 2.2% | $20.6m | 840,000 | – | new |
| 14 | OVV OVINTIV INC | Energy | 2.2% | $20.5m | 390,000 | – | new |
| 15 | KEEL INFRASTRUCTURE CORP | 1.6% | $14.6m | 12,500,000 | – | new | |
| 16 | MAGN MAGNERA CORP | 1.5% | $14.2m | 1,205,793 | 0% | held | |
| 17 | SILA REALTY TRUST INC | 1.4% | $13.3m | 437,473 | -58% | reduced | |
| 18 | SEI SOLARIS ENERGY INFRAS INC | Energy | 1.3% | $12.1m | 150,000 | – | new |
| 19 | CMCO COLUMBUS MCKINNON CORP N Y | Industrials | 1.2% | $10.8m | 715,783 | 0% | held |
| 20 | CHTR CHARTER COMMUNICATIONS INC | Communication Services | 1.1% | $10.7m | 75,000 | – | new |
| 21 | KEEL INFRASTRUCTURE CORP | 0.9% | $8.9m | 8,000,000 | – | new | |
| 22 | CBRS CEREBRAS SYSTEMS INC | Technology | 0.8% | $7.7m | 35,000 | – | new |
| 23 | NCDL NUVEEN CHURCHILL DIRECT LEND | 0.8% | $7.5m | 604,645 | -56% | reduced | |
| 24 | WING WINGSTOP INC | Consumer Cyclical | 0.7% | $6.9m | 40,000 | – | new |
| 25 | PENNANTPARK FLOATING RATE CA | 0.7% | $6.7m | 900,000 | -46% | reduced | |
| 26 | CYH COMMUNITY HEALTH SYS INC NEW | Healthcare | 0.7% | $6.1m | 1,837,962 | – | new |
| 27 | CARLYLE SECURED LENDING INC | 0.6% | $5.4m | 508,387 | – | new | |
| 28 | EAT BRINKER INTL INC | Consumer Cyclical | 0.5% | $5.0m | 29,500 | – | new |
| 29 | FWRD FORWARD AIR CORP | 0.5% | $4.7m | 350,000 | – | new | |
| 30 | MWH SOLV ENERGY INC | Utilities | 0.3% | $2.7m | 80,000 | – | new |
| 31 | INIO INNIO NV | Industrials | 0.2% | $2.0m | 50,000 | – | new |
| 32 | BARINGS BDC INC | 0.1% | $822.9k | 96,589 | -93% | reduced |
What did Diameter Capital Partners LP sell? Positions exited since the previous filing
| Stock | Prior weight | Prior value |
|---|---|---|
| NEBIUS GROUP N.V. | 28.7% | $38.5m |
| NEBIUS GROUP N.V. | 27.7% | $37.2m |
| PCG PG&E CORP | 15.7% | $21.1m |
| UWMC UWM HOLDINGS CORPORATION | 15.6% | $21.0m |
| SLR INVESTMENT CORP | 8.8% | $11.8m |
| RH RH | 3.2% | $4.3m |
| LIBERTY MEDIA CORP DEL | 0.2% | $320.3k |
Sector mix
| Sector | Weight |
|---|---|
| Communication Services | 13.5% |
| Industrials | 10.0% |
| Consumer Cyclical | 9.0% |
| Real Estate | 4.9% |
| Energy | 3.5% |
| Basic Materials | 3.3% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
How concentrated is Diameter Capital Partners LP's portfolio?
Across every quarter Diameter Capital Partners LP has filed, its median largest position is 30.0% of the book and its median top-ten weight is 79.1%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 7.0 completed holding spells, the median lasted 1.0 quarters; 32.0 positions are still open and their final length is unknown.