Diameter Capital Partners LP — 13F Holdings & Portfolio
CIK 1727012 · latest 13F-HR filed 2026-08-14
Diameter Capital Partners LP manages $1.24B in 13F-reported U.S. long-equity assets across 34 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SPY (24.09%), IAU (20.48%), SHAZW (10.22%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 4 new positions, exited 3, added to 0, and trimmed 0.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
SUITE 6600A
NEW YORK, NY 10001
$1.24B
Long-equity book
34
Distinct positions
2026-06-30
Filed 2026-08-14
+4 / −3 / ↑0 / ↓0
vs 2026-06-30
| Name | Title / Status | Ownership | Type |
|---|
New Positions
- SHARONAI HOLDINGS INC$126.7M
- WOLFSPEED INC$29.7M
- KEEL INFRASTRUCTURE CORP$14.6M
- KEEL INFRASTRUCTURE CORP$8.9M
Exited Positions
- SHARONAI HOLDINGS INC$126.7M
- WOLFSPEED INC$29.7M
- KEEL INFRASTRUCTURE CORP$23.5M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | STATE STR SPDR S&P 500 ETF T Put | SPY | 78462F103 | $298.7M | 24.09% | 400,000 | SH |
| 2 | ISHARES GOLD TR | IAU | 464285204 | $254.0M | 20.48% | 3,363,600 | SH |
| 3 | SHARONAI HOLDINGS INC | SHAZW | 778920AC2 | $126.7M | 10.22% | 108,500,000 | PRN |
| 4 | TELEPHONE & DATA SYS INC | TDS | 879433829 | $62.0M | 5.00% | 1,675,955 | SH |
| 5 | MASTERBRAND INC | MBC | 57638P104 | $49.2M | 3.97% | 4,779,445 | SH |
| 6 | UNITI GROUP LLC | UNIT | 912932100 | $45.9M | 3.70% | 4,000,000 | SH |
| 7 | SPACE EXPLORATION TECHN CORP | SPCX | 84615Q103 | $42.7M | 3.44% | 250,000 | SH |
| 8 | FORTUNE BRANDS INNOVATIONS I | FBIN | 34964C106 | $38.2M | 3.08% | 696,350 | SH |
| 9 | ECHOSTAR CORP | ECHO | 278768106 | $33.2M | 2.67% | 326,754 | SH |
| 10 | JAMES HARDIE INDS PLC | JHX | G4253H101 | $30.7M | 2.47% | 1,172,112 | SH |
| 11 | WOLFSPEED INC | WOLF | 97785WAC0 | $29.7M | 2.39% | 11,970,000 | PRN |
| 12 | ARDAGH METAL PACKAGING S A | AMBP | L02235106 | $23.8M | 1.92% | 5,030,465 | SH |
| 13 | VISTANCE NETWORKS INC | VISN | 20337X109 | $22.4M | 1.80% | 1,750,000 | SH |
| 14 | COMCAST CORP NEW | CMCSA | 20030N101 | $20.6M | 1.66% | 840,000 | SH |
| 15 | OVINTIV INC | OVV | 69047Q102 | $20.5M | 1.66% | 390,000 | SH |
| 16 | KEEL INFRASTRUCTURE CORP | KEEL | 09173BAA5 | $14.6M | 1.18% | 12,500,000 | PRN |
| 17 | MAGNERA CORP | MAGN | 55939A107 | $14.2M | 1.14% | 1,205,793 | SH |
| 18 | SILA REALTY TRUST INC | SILA | 146280508 | $13.3M | 1.07% | 437,473 | SH |
| 19 | SOLARIS ENERGY INFRAS INC | SEI | 83418M103 | $12.1M | 0.97% | 150,000 | SH |
| 20 | COLUMBUS MCKINNON CORP N Y | CMCO | 199333105 | $10.8M | 0.87% | 715,783 | SH |
| 21 | CHARTER COMMUNICATIONS INC | CHTR | 16119P108 | $10.7M | 0.86% | 75,000 | SH |
| 22 | KEEL INFRASTRUCTURE CORP | KEEL | 486917AA5 | $8.9M | 0.72% | 8,000,000 | PRN |
| 23 | CEREBRAS SYSTEMS INC | CBRS | 15675D103 | $7.7M | 0.62% | 35,000 | SH |
| 24 | NUVEEN CHURCHILL DIRECT LEND | NCDL | 67090S108 | $7.5M | 0.61% | 604,645 | SH |
| 25 | WINGSTOP INC | WING | 974155103 | $6.9M | 0.56% | 40,000 | SH |
| 26 | PENNANTPARK FLOATING RATE CA | PFLT | 70806A106 | $6.7M | 0.54% | 900,000 | SH |
| 27 | COMMUNITY HEALTH SYS INC NEW | CYH | 203668108 | $6.1M | 0.49% | 1,837,962 | SH |
| 28 | CARLYLE SECURED LENDING INC | CGBD | 872280102 | $5.4M | 0.43% | 508,387 | SH |
| 29 | BRINKER INTL INC | EAT | 109641100 | $5.0M | 0.40% | 29,500 | SH |
| 30 | FORWARD AIR CORP | FWRD | 34986A104 | $4.7M | 0.38% | 350,000 | SH |
| 31 | SOLV ENERGY INC | MWH | 78475V103 | $2.7M | 0.22% | 80,000 | SH |
| 32 | INNIO NV | INIO | N52A8C105 | $2.0M | 0.16% | 50,000 | SH |
| 33 | ECHOSTAR CORP Call | ECHO | 278768106 | $1.7M | 0.14% | 17,100 | SH |
| 34 | BARINGS BDC INC | BBDC | 06759L103 | $822.9K | 0.07% | 96,589 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $1.24B | 34 | 0001172661-26-003822 |
| 2026-06-30 | 2026-08-14 | $1.24B | 33 | 0001172661-26-003510 |
| 2026-03-31 | 2026-05-15 | $1.07B | 29 | 0001172661-26-002226 |
| 2025-12-31 | 2026-02-17 | $1.09B | 40 | 0001172661-26-000929 |
| 2025-09-30 | 2025-11-14 | $1.62B | 41 | 0001172661-25-004869 |