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Super Investors Diameter Capital Partners LP
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Diameter Capital Partners LP

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$1.24B
Positions
34
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (35 quarters reported)

$2.14B $219M
Q4 17 Q3 19 Q2 21 Q1 23 Q4 24 Q2 26

$223M in Q4 2017 → $1.24B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
SS State Str SPDR S&P 500 ETF T Put 24.1% Trimmed 20% 400,000 $299M
IG Ishares Gold Tr 20.5% New 3,363,600 $254M
Sharonai Holdings Inc 10.2% New 108,500,000 $127M
T& Telephone & Data Sys Inc 5.0% New 1,675,955 $62M
Masterbrand Inc 4.0% Added 209% 4,779,445 $49.2M
Uniti Group LLC 3.7% Trimmed 30% 4,000,000 $45.9M
SE Space Exploration Techn Corp 3.4% New 250,000 $42.7M
FB Fortune Brands Innovations I 3.1% Added 2.4% 696,350 $38.2M
Echostar Corp 2.7% Trimmed 78% 326,754 $33.2M
JH James Hardie Inds PLC 2.5% Added 2244% 1,172,112 $30.7M
Wolfspeed Inc 2.4% New 11,970,000 $29.7M
AM Ardagh Metal Packaging S A 1.9% Added 13% 5,030,465 $23.8M
Vistance Networks Inc 1.8% Added 119% 1,750,000 $22.4M
CN Comcast Corp New 1.7% New 840,000 $20.6M
Ovintiv Inc 1.7% New 390,000 $20.5M
Keel Infrastructure Corp 1.2% New 12,500,000 $14.6M
Magnera Corp 1.1% Unchanged 1,205,793 $14.2M
Sila Realty Trust Inc 1.1% Trimmed 58% 437,473 $13.3M
SE Solaris Energy Infras Inc 1.0% New 150,000 $12.1M
CM Columbus Mckinnon Corp N Y 0.9% Unchanged 715,783 $10.8M
Charter Communications Inc 0.9% New 75,000 $10.7M
Keel Infrastructure Corp 0.7% New 8,000,000 $8.9M
Cerebras Systems Inc 0.6% New 35,000 $7.74M
NC Nuveen Churchill Direct Lend 0.6% Trimmed 56% 604,645 $7.51M
Wingstop Inc 0.6% New 40,000 $6.94M
PF Pennantpark Floating Rate Ca 0.5% Trimmed 46% 900,000 $6.73M
CH Community Health Sys Inc New 0.5% New 1,837,962 $6.14M
Carlyle Secured Lending Inc 0.4% New 508,387 $5.35M
BI Brinker Intl Inc 0.4% New 29,500 $4.96M
Forward Air Corp 0.4% New 350,000 $4.73M
Solv Energy Inc 0.2% New 80,000 $2.72M
Innio Nv 0.2% New 50,000 $1.98M
Echostar Corp Call 0.1% Unchanged 17,100 $1.74M
Barings Bdc Inc 0.1% Trimmed 93% 96,589 $823K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 14, 2026

Company Action Shares changed Value of change % of portfolio
IG Ishares Gold Tr New +3,363,600 +$254M 20.5%
Sharonai Holdings Inc New +108,500,000 +$127M 10.2%
Echostar Corp Trimmed −1,143,830 −$116M 2.7%
IT Ishares Tr Exited −400,000 −$99.2M —
SS State Str SPDR S&P 500 ETF T Trimmed −100,000 −$74.7M 24.1%
T& Telephone & Data Sys Inc New +1,675,955 +$62M 5.0%
SE Space Exploration Techn Corp New +250,000 +$42.7M 3.4%
NG Nebius Group N.v. Exited −40,000,000 −$38.5M —
NG Nebius Group N.v. Exited −40,000,000 −$37.2M —
Masterbrand Inc Added +3,233,874 +$33.3M 4.0%

Showing the 10 largest of 45 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
SS State Str SPDR S&P 500 ETF T New +500,000 +$325M 30.4%
Echostar Corp Trimmed −2,297,344 −$269M 16.1%
IT Ishares Tr New +400,000 +$99.2M 9.3%
T& Telephone & Data Sys Inc Exited −1,067,297 −$43.8M —
AG Alibaba Group Hldg Ltd Exited −40,000,000 −$41.3M —
Uniti Group LLC Added +4,181,528 +$39.2M 5.0%
NG Nebius Group N.v. New +40,000,000 +$38.5M 3.6%
NG Nebius Group N.v. New +40,000,000 +$37.2M 3.5%
Masterbrand Inc Trimmed −4,464,839 −$37.1M 1.2%
Hca Healthcare Inc Trimmed −73,000 −$34.5M 2.1%

Showing the 10 largest of 52 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Exited −642,000 −$428M —
Echostar Corp Trimmed −2,195,331 −$239M 37.4%
IT Ishares Tr Exited −285,000 −$69M —
Hca Healthcare Inc New +120,000 +$56M 5.1%
Warner Bros Discovery Inc Exited −2,250,000 −$43.9M —
AG Alibaba Group Hldg Ltd New +40,000,000 +$41.3M 3.8%
CE Caesars Entertainment Inc Ne New +1,500,000 +$35.1M 3.2%
FK Fs Kkr Cap Corp New +2,272,393 +$33.7M 3.1%
E Enviri Corp Exited −2,455,854 −$31.2M —
CN Cleveland-cliffs Inc New Exited −2,500,000 −$30.5M —

Showing the 10 largest of 65 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr New +642,000 +$428M 26.4%
IT Ishares Tr Trimmed −1,240,000 −$300M 4.3%
Echostar Corp Added +2,684,273 +$205M 28.1%
Echostar Corp Exited −3,700,000 −$102M —
Warner Bros Discovery Inc Exited −7,000,000 −$80.2M —
Masterbrand Inc Added +4,060,410 +$53.5M 4.1%
CH Commscope Hldg Co Inc Exited −4,841,158 −$40.1M —
CN Cleveland-cliffs Inc New New +2,500,000 +$30.5M 1.9%
Slm Corp New +1,000,000 +$27.7M 1.7%
Rh Trimmed −123,745 −$25.1M 0.3%

Showing the 10 largest of 52 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
IE Invesco Exch Traded Fd Tr Ii Exited −7,000,000 −$145M —
IT Ishares Tr Added +525,000 +$113M 37.6%
Echostar Corp New +3,700,000 +$102M 11.7%
Echostar Corp Trimmed −2,746,837 −$76.1M 10.4%
RG Realogy Grp Llc/realogy Co Exited −44,865,000 −$42.1M —
Rh New +143,745 +$27.2M 3.1%
NG Nebius Group N.v. Exited −1,190,476 −$25.1M —
MG Mercury Genl Corp New Exited −350,000 −$19.6M —
CH Commscope Hldg Co Inc Added +2,138,795 +$17.7M 4.6%
Warner Bros Discovery Inc Added +1,545,000 +$17.7M 4.4%

Showing the 10 largest of 35 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr New +1,000,000 +$199M 23.3%
IE Invesco Exch Traded Fd Tr Ii New +7,000,000 +$145M 16.9%
Boeing Co Exited −1,000,000 −$60.9M —
Unitedhealth Group Inc Exited −120,000 −$60.7M —
Warner Bros Discovery Inc Added +5,000,000 +$53.7M 10.0%
Humana Inc Exited −132,500 −$33.6M —
CS Core Scientific Inc New Exited −2,265,000 −$31.8M —
Echostar Corp Added +999,000 +$25.6M 18.0%
Veon Ltd Trimmed −463,279 −$20.2M 0.8%
MG Mercury Genl Corp New New +350,000 +$19.6M 2.3%

Showing the 10 largest of 33 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
IQ Invesco Qqq Tr Exited −1,000,000 −$488M —
IT Ishares Tr Exited −600,000 −$133M —
ES ETF Ser Solutions Exited −5,000,000 −$104M —
Dish Network Corporation Exited −116,818,000 −$101M —
Echostar Corp Added +4,220,853 +$96.7M 17.0%
Boeing Co New +1,000,000 +$60.9M 9.0%
Unitedhealth Group Inc New +120,000 +$60.7M 9.0%
Applied Digital Corp Exited −6,327,161 −$52.2M —
Humana Inc New +132,500 +$33.6M 5.0%
NG Nebius Group N.v. New +1,190,476 +$33M 4.9%

Showing the 10 largest of 35 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
IQ Invesco Qqq Tr New +1,000,000 +$488M 39.8%
IQ Invesco Qqq Tr Exited −500,000 −$240M —
IT Ishares Tr New +600,000 +$133M 10.8%
ES ETF Ser Solutions New +5,000,000 +$104M 8.4%
Boeing Co Exited −500,000 −$91M —
CS Core Scientific Inc New Trimmed −5,002,261 −$59.3M 3.4%
IT Ishares Tr Exited −500,000 −$53.6M —
Applied Digital Corp New +6,327,161 +$52.2M 4.3%
Viking Holdings Ltd Exited −1,500,000 −$50.9M —
Sila Realty Trust Inc New +1,899,130 +$48M 3.9%

Showing the 10 largest of 36 changes.

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