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Diameter Capital Partners LP

CIK 1727012 · latest 13F filed 14 August 2026 · Read the filing on EDGAR

Diameter Capital Partners LP reported 28 US-listed holdings worth $759.9 million in its 13F for the quarter ended 30 June 2026, filed 14 August 2026. Its largest: iShares Gold Trust (33.4%), Telephone & Data Systems Inc. (8.2%) and MasterBrand, Inc. (6.5%). Against the quarter before, it opened 15 positions, added to 5, trimmed 6 and sold out of 4.

Reported holdings$759.9M+70.3% on Q1 2026
Positions28+11 on Q1 2026
The largest ten79.2%of its reported holdings
Latest 13FQ2 2026filed 14 August 2026
Where the money is
OpenedAdded toHeldTrimmed
IAU33.4%TDS8.2%MBC6.5%UNIT6.0%SPCX5.6%FBIN5.0%ECHO4.4%JHX4.0%AMBP3.1%VISN2.9%CMCSA2.7%OVV2.7%MAGN1.9%SILA1.7%14 more11.7%

The 14 largest of its 28 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.

Reported holdings, quarter by quarter
Q3 2024: $308.5 million in 16 positions$308MQ3 24Q4 2024: $467.6 million in 20 positions$468MQ4 24Q1 2025: $373.9 million in 16 positions$374MQ1 25Q2 2025: $341.0 million in 19 positions$341MQ2 25Q3 2025: $951.9 million in 30 positions$952MQ3 25Q4 2025: $894.5 million in 32 positions$894MQ4 25Q1 2026: $446.3 million in 17 positions$446MQ1 26Q2 2026: $759.9 million in 28 positions$760MQ2 26

What the fund reported holding at each quarter's end; hover a bar for the number of positions

What its reported holdings returned

Held through each quarter, the holdings it reported returned +156.8% over the 7 quarters to 30 June 2026, against +30.2% for the S&P 500.

Its reported holdingsThe S&P 500
100150200250Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Its holdings +156.8%S&P 500 +30.2%

Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.

What it did on the quarter

Opened 15Added 5Held 2Trimmed 6Sold out 4
Opened: 15Added: 5Held: 2Trimmed: 6Sold out: 4

Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held

Opened 15

  1. iShares Gold Trust IAU$254.0 million
  2. Telephone & Data Systems Inc. TDS$62.0 million
  3. Space Exploration Techn Corp. Class A Com STK SPCX$42.7 million
  4. Comcast Corp. CMCSA$20.6 million
  5. Ovintiv Inc. OVV$20.5 million
  6. Solaris Energy Infrastructure, Inc. SEI$12.1 million
  7. Charter Communications, Inc. CHTR$10.7 million
  8. Cerebras Systems Inc. Com Class A CBRS$7.7 million

and 7 more in the table below

Added to 5

  1. MasterBrand, Inc. MBC+3.2 million shares · +209%
  2. James Hardie Industries Plc - US ADR JHX+1.1 million shares · +2244%
  3. Commscope Hldg Co. Inc. VISN+950,000 shares · +119%
  4. Ardagh Metal Packaging S A AMBP+563,045 shares · +13%
  5. Fortune Brands Innovations, Inc. FBIN+16,350 shares · +2%

Trimmed 6

  1. EchoStar Corp. ECHO-1.1 million shares · -78%
  2. Uniti Group Inc. UNIT-1.7 million shares · -30%
  3. Sila Realty Trust Inc. SILA-612,956 shares · -58%
  4. Barings BDC Inc. BBDC-1.4 million shares · -93%
  5. Nuveen Churchill Direct Lend NCDL-774,716 shares · -56%
  6. Pennantpark Floating Rate Ca PFLT-755,246 shares · -46%

Sold out of 4

  1. Pg&E Corp. PCG$21.1 million last quarter
  2. Uwm Holdings Corporation UWMC$21.0 million last quarter
  3. SLR Investment Corp. SLRC$11.8 million last quarter
  4. RH RH$4.3 million last quarter

What it holds

CompanySharesValueOf its bookChange in shares
iShares Gold Trust IAU3.4M$254.0 million33.43%new
Telephone & Data Systems Inc. TDS1.7M$62.0 million8.16%new
MasterBrand, Inc. MBC4.8M$49.2 million6.47%+3.2M
Uniti Group Inc. UNIT4.0M$45.9 million6.04%-1.7M
Space Exploration Techn Corp. Class A Com STK SPCX250.0K$42.7 million5.62%new
Fortune Brands Innovations, Inc. FBIN696.4K$38.2 million5.03%+16.4K
EchoStar Corp. ECHO326.8K$33.2 million4.36%-1.1M
James Hardie Industries Plc - US ADR JHX1.2M$30.7 million4.04%+1.1M
Ardagh Metal Packaging S A AMBP5.0M$23.8 million3.14%+563.0K
Commscope Hldg Co. Inc. VISN1.8M$22.4 million2.94%+950.0K
Comcast Corp. CMCSA840.0K$20.6 million2.71%new
Ovintiv Inc. OVV390.0K$20.5 million2.70%new
Magnera Corp. Com SHS MAGN1.2M$14.2 million1.86%no change
Sila Realty Trust Inc. SILA437.5K$13.3 million1.75%-613.0K
Solaris Energy Infrastructure, Inc. SEI150.0K$12.1 million1.59%new
Columbus McKinnon Corp. N Y CMCO715.8K$10.8 million1.43%no change
Charter Communications, Inc. CHTR75.0K$10.7 million1.40%new
Cerebras Systems Inc. Com Class A CBRS35.0K$7.7 million1.02%new
Nuveen Churchill Direct Lend NCDL604.6K$7.5 million0.99%-774.7K
Wingstop Inc. WING40.0K$6.9 million0.91%new
Pennantpark Floating Rate Ca PFLT900.0K$6.7 million0.89%-755.2K
Community Health Sys Inc. New CYH1.8M$6.1 million0.81%new
Carlyle Secured Lending Inc. CGBD508.4K$5.4 million0.70%new
Brinker International, Inc. EAT29.5K$5.0 million0.65%new
Forward Air Corp. FWRD350.0K$4.7 million0.62%new
Solv Energy Inc. MWH80.0K$2.7 million0.36%new
Innio NV INIO50.0K$2.0 million0.26%new
Barings BDC Inc. BBDC96.6K$822,9380.11%-1.4M
Every US-listed position in the fund's 13F for the quarter ended 30 June 2026, by the value it reported.
Read moreChange is shares against its 13F for the quarter before; the 4 it sold out of are in the box above.

Options it reported

CompanyOptionShares under the optionsValue of those shares
SPDR S&P 500 SPYPuts400.0K$298.7 million
EchoStar Corp. ECHOCalls17.1K$1.7 million

2 option lines. A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost; they are not counted in the holdings above.