Institutional Manager · CIK 0001727012
Diameter Capital Partners LP
New York, NY · File #028-18514
Latest AUM
$1.09B
Positions
40
Top-10 Concentration
71.1%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| EXITED | SPDR S&P 500 ETF TR | 78462F103 | -642,000 | -$427.7M | $0 |
| REDUCE | ECHOSTAR CORP | SATS | -2,195,331 | -$238.6M | +$192.9M |
| EXITED | ISHARES TR | 464287655 | -285,000 | -$69.0M | $0 |
| NEW | HCA HEALTHCARE INC | HCA | +120,000 | +$56.0M | $0 |
| EXITED | WARNER BROS DISCOVERY INC | 934423104 | -2,250,000 | -$43.9M | $0 |
| NEW | ALIBABA GROUP HLDG LTD | BBAAY | +40,000,000 | +$41.3M | $0 |
| NEW | CAESARS ENTERTAINMENT INC NE | 12769G100 | +1,500,000 | +$35.1M | $0 |
| NEW | FS KKR CAP CORP | FSK | +2,272,393 | +$33.7M | $0 |
| EXITED | ENVIRI CORP | 415864107 | -2,455,854 | -$31.2M | $0 |
| EXITED | CLEVELAND-CLIFFS INC NEW | 185899101 | -2,500,000 | -$30.5M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202540 pos · $1.09B
- 13F HOLDINGS REPORTQ/E Sep 202541 pos · $1.62B
- 13F HOLDINGS REPORTQ/E Jun 202526 pos · $876.0M
- 13F HOLDINGS REPORTQ/E Mar 202523 pos · $857.7M
- 13F HOLDINGS REPORTQ/E Dec 202429 pos · $677.6M
- 13F HOLDINGS REPORTQ/E Sep 202425 pos · $1.23B
- 13F HOLDINGS REPORTQ/E Jun 202423 pos · $848.6M
- 13F HOLDINGS REPORTQ/E Mar 202420 pos · $973.3M
- 13F HOLDINGS REPORTQ/E Dec 202323 pos · $455.5M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | ECHOSTAR CORP | SATS | 3,767,928 | $409.6M | 37.43% |
| 2 | MASTERBRAND INC | MBC | 6,010,410 | $66.4M | 6.06% |
| 3 | HCA HEALTHCARE INC | HCA | 120,000 | $56.0M | 5.12% |
| 4 | TELEPHONE & DATA SYS INC | TDS-PV | 1,067,297 | $43.8M | 4.00% |
| 5 | ALIBABA GROUP HLDG LTD | BBAAY | 40,000,000 | $41.3M | 3.78% |
| 6 | SILA REALTY TRUST INC | SILA | 1,750,000 | $40.8M | 3.73% |
| 7 | CAESARS ENTERTAINMENT INC NE | 12769G100 | 1,500,000 | $35.1M | 3.21% |
| 8 | FS KKR CAP CORP | FSK | 2,272,393 | $33.7M | 3.08% |
| 9 | AES CORP | AES | 1,950,000 | $28.0M | 2.56% |
| 10 | ALPHABET INC | GOOG | 75,000 | $23.5M | 2.15% |
| 11 | AMERICAN AIRLS GROUP INC | 02376R102 | 1,500,000 | $23.0M | 2.10% |
| 12 | ARDAGH METAL PACKAGING S A | AMPWF | 5,376,366 | $22.0M | 2.01% |
| 13 | JAMES HARDIE INDS PLC | G4253H101 | 1,000,000 | $20.8M | 1.90% |
| 14 | BAIN CAP GSS INVT CORP | G0R78B122 | 2,000,000 | $20.4M | 1.87% |
| 15 | CAESARS ENTERTAINMENT INC NE | 12769G100 | 850,000 | $19.9M | 1.82% |
| 16 | ENTERGY CORP NEW | ENO | 208,000 | $19.2M | 1.76% |
| 17 | DIGITALBRIDGE GROUP INC | DBRG-PJ | 1,250,000 | $19.2M | 1.75% |
| 18 | EVERGY INC | EVRG | 260,000 | $18.8M | 1.72% |
| 19 | MAGNERA CORP | MAGN | 1,205,793 | $18.3M | 1.67% |
| 20 | NUVEEN CHURCHILL DIRECT LEND | 67090S108 | 1,220,800 | $16.3M | 1.49% |