Diameter Capital Partners LP 13F holdings, Q4 2025
Holdings as of December 31, 2025 · filings on SEC EDGAR · latest filing →
Diameter Capital Partners LP disclosed 36 US equity positions worth $956.6m in its Q4 2025 13F filing. The largest position was ECHO at 42.8% of the reported book, followed by MBC and TDS. Against the Q3 2025 filing, it opened 22 new positions, added to 10 and reduced 2 among the top 36 holdings.
What did Diameter Capital Partners LP own in Q4 2025? Top 36 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q3 2025 |
|---|---|---|---|---|---|---|---|
| 1 | ECHO ECHOSTAR CORP | Communication Services | 42.8% | $409.6m | 3,767,928 | -37% | reduced |
| 2 | MBC MASTERBRAND INC | Consumer Cyclical | 6.9% | $66.4m | 6,010,410 | 19% | added |
| 3 | TDS TELEPHONE & DATA SYS INC | Communication Services | 4.6% | $43.8m | 1,067,297 | 4% | added |
| 4 | ALIBABA GROUP HLDG LTD | 4.3% | $41.3m | 40,000,000 | – | new | |
| 5 | SILA REALTY TRUST INC | 4.3% | $40.8m | 1,750,000 | 25% | added | |
| 6 | FSK FS KKR CAP CORP | 3.5% | $33.7m | 2,272,393 | – | new | |
| 7 | AES AES CORP | Utilities | 2.9% | $28.0m | 1,950,000 | 7% | added |
| 8 | AMBP ARDAGH METAL PACKAGING S A | Consumer Cyclical | 2.3% | $22.0m | 5,376,366 | 6% | added |
| 9 | JHX JAMES HARDIE INDS PLC | 2.2% | $20.8m | 1,000,000 | 150% | added | |
| 10 | BAIN CAP GSS INVT CORP | 2.1% | $20.4m | 2,000,000 | 0% | held | |
| 11 | CZR CAESARS ENTERTAINMENT INC NE | Consumer Cyclical | 2.1% | $19.9m | 850,000 | – | new |
| 12 | ETR ENTERGY CORP NEW | Utilities | 2.0% | $19.2m | 208,000 | 16% | added |
| 13 | DBRG DIGITALBRIDGE GROUP INC | Financial Services | 2.0% | $19.2m | 1,250,000 | – | new |
| 14 | EVRG EVERGY INC | Utilities | 2.0% | $18.8m | 260,000 | 18% | added |
| 15 | MAGN MAGNERA CORP | 1.9% | $18.3m | 1,205,793 | 162% | added | |
| 16 | NCDL NUVEEN CHURCHILL DIRECT LEND | 1.7% | $16.3m | 1,220,800 | – | new | |
| 17 | FIVE9 INC | 1.7% | $15.8m | 17,550,000 | – | new | |
| 18 | RH RH | Consumer Cyclical | 1.4% | $13.1m | 73,000 | 265% | added |
| 19 | MFIC MIDCAP FINANCIAL INVSTMNT CO | 1.2% | $11.6m | 1,013,005 | – | new | |
| 20 | PENNANTPARK FLOATING RATE CA | 1.1% | $11.0m | 1,184,476 | – | new | |
| 21 | UNIT UNITI GROUP LLC | 1.1% | $10.5m | 1,500,000 | – | new | |
| 22 | MDLN MEDLINE INC | Healthcare | 1.1% | $10.5m | 250,000 | – | new |
| 23 | BARINGS BDC INC | 0.9% | $8.9m | 966,370 | – | new | |
| 24 | SLR INVESTMENT CORP | 0.6% | $6.1m | 395,389 | – | new | |
| 25 | WOLF WOLFSPEED INC | Technology | 0.6% | $6.0m | 347,427 | – | new |
| 26 | OPTU OPTIMUM COMMUNICATIONS INC | Communication Services | 0.6% | $5.3m | 3,188,947 | -67% | reduced |
| 27 | RAPID7 INC | 0.5% | $4.6m | 5,000,000 | – | new | |
| 28 | ULS UL SOLUTIONS INC | Industrials | 0.4% | $3.9m | 50,000 | – | new |
| 29 | MERC MERCER INTL INC | Basic Materials | 0.2% | $2.2m | 1,100,397 | – | new |
| 30 | LLY ELI LILLY & CO | Healthcare | 0.2% | $1.5m | 1,350 | – | new |
| 31 | MRK MERCK & CO INC | Healthcare | 0.2% | $1.4m | 13,750 | – | new |
| 32 | NVS NOVARTIS AG | Healthcare | 0.1% | $1.4m | 10,400 | – | new |
| 33 | AZN ASTRAZENECA PLC | Healthcare | 0.1% | $1.4m | 15,000 | – | new |
| 34 | SNY SANOFI SA | 0.1% | $1.4m | 28,000 | – | new | |
| 35 | PFE PFIZER INC | Healthcare | 0.1% | $1.3m | 53,000 | – | new |
| 36 | LIBERTY MEDIA CORP DEL | 0.1% | $479.5k | 7,794,874 | 0% | held |
Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.