Diameter Capital Partners LP

13F filer · CIK 1727012 · New York, NY

Summary

Diameter Capital Partners LP reported $1.24B across 34 positions in its 13F for 2026 Q2, filed Aug 14, 2026. The largest holdings are IAU (20.5%), SHARONAI HOLDINGS INC (10.2%), TDS (5.0%). Versus 2026 Q1, leaving options aside, it opened 19 new positions, added to 5, trimmed 6 and sold out of 7.

Reported value$1.24B

Positions34incl. options

Report period2026 Q2

FiledAug 14, 2026

New positions19

Added5

Trimmed6

Sold out7

Top 25 holdings

By reported value, options listed separately · change vs 2026 Q1

IAUISHARES GOLD TRNew

Weight 20.5%Value $253.99MPrice $77.50Shares 3.36MSince Jun 30 +2.64%

SHARONAI HOLDINGS INCNo ticker matchNew

Weight 10.2%Value $126.68MPrincipal $108.50M

TDSTELEPHONE & DATA SYS INCNew

Weight 5.0%Value $62.03MPrice $34.75Shares 1.68MSince Jun 30 -6.11%

MBCMASTERBRAND INCAdd

Weight 4.0%Value $49.18MPrice $6.96Shares 4.78M +209.23%Since Jun 30 -32.36%

UNITUNITI GROUP LLCTrim

Weight 3.7%Value $45.88MPrice $8.65Shares 4.00M -29.60%Since Jun 30 -24.59%

SPCXSPACE EXPLORATION TECHN CORPNew

Weight 3.4%Value $42.72MPrice $145.47Shares 250KSince Jun 30 -14.86%

FBINFORTUNE BRANDS INNOVATIONS IAdd

Weight 3.1%Value $38.23MPrice $38.43Shares 696K +2.40%Since Jun 30 -30.00%

ECHOECHOSTAR CORPTrim

Weight 2.7%Value $33.17MPrice $89.22Shares 327K -77.78%Since Jun 30 -12.10%

JHXJAMES HARDIE INDS PLCAdd

Weight 2.5%Value $30.69MPrice $25.39Shares 1.17M +2244.22%Since Jun 30 -3.02%

WOLFSPEED INCNo ticker matchNew

Weight 2.4%Value $29.69MPrincipal $11.97M

AMBPARDAGH METAL PACKAGING S AAdd

Weight 1.9%Value $23.84MPrice $4.35Shares 5.03M +12.60%Since Jun 30 -8.23%

VISNVISTANCE NETWORKS INCAdd

Weight 1.8%Value $22.36MPrice $6.09Shares 1.75M +118.75%Since Jun 30 -52.35%

CMCSACOMCAST CORP NEWNew

Weight 1.7%Value $20.62MPrice $21.79Shares 840KSince Jun 30 -11.24%

OVVOVINTIV INCNew

Weight 1.7%Value $20.53MPrice $59.53Shares 390KSince Jun 30 +13.07%

KEEL INFRASTRUCTURE CORPNo ticker matchNew

Weight 1.2%Value $14.59MPrincipal $12.50M

MAGNMAGNERA CORPHold

Weight 1.1%Value $14.17MPrice $11.91Shares 1.21MSince Jun 30 +1.36%

SILASILA REALTY TRUST INCTrim

Weight 1.1%Value $13.28MPrice $30.36Shares 437K -58.35%

SEISOLARIS ENERGY INFRAS INCNew

Weight 1.0%Value $12.07MPrice $69.15Shares 150KSince Jun 30 -14.06%

CMCOCOLUMBUS MCKINNON CORP N YHold

Weight 0.9%Value $10.83MPrice $16.37Shares 716KSince Jun 30 +8.20%

CHTRCHARTER COMMUNICATIONS INCNew

Weight 0.9%Value $10.67MPrice $110.67Shares 75KSince Jun 30 -22.18%

KEEL INFRASTRUCTURE CORPNo ticker matchNew

Weight 0.7%Value $8.90MPrincipal $8.00M

CBRSCEREBRAS SYSTEMS INCNew

Weight 0.6%Value $7.74MPrice $194.95Shares 35KSince Jun 30 -11.79%

NCDLNUVEEN CHURCHILL DIRECT LENDTrim

Weight 0.6%Value $7.51MPrice $11.64Shares 605K -56.16%Since Jun 30 -6.28%

WINGWINGSTOP INCNew

Weight 0.6%Value $6.94MPrice $101.80Shares 40KSince Jun 30 -41.30%

PFLTPENNANTPARK FLOATING RATE CATrim

Weight 0.5%Value $6.73MPrice $6.95Shares 900K -45.63%Since Jun 30 -7.09%

Stock	Weight	Value	Price	Shares	Since Jun 30	Shares change	Action
IAUISHARES GOLD TR	20.5%	$253.99M	$77.50	3.36M	+2.64%	—	New
SHARONAI HOLDINGS INCNo ticker match	10.2%	$126.68M	—	$108.50M prn	—	—	New
TDSTELEPHONE & DATA SYS INC	5.0%	$62.03M	$34.75	1.68M	-6.11%	—	New
MBCMASTERBRAND INC	4.0%	$49.18M	$6.96	4.78M	-32.36%	+209.23%	Add
UNITUNITI GROUP LLC	3.7%	$45.88M	$8.65	4.00M	-24.59%	-29.60%	Trim
SPCXSPACE EXPLORATION TECHN CORP	3.4%	$42.72M	$145.47	250K	-14.86%	—	New
FBINFORTUNE BRANDS INNOVATIONS I	3.1%	$38.23M	$38.43	696K	-30.00%	+2.40%	Add
ECHOECHOSTAR CORP	2.7%	$33.17M	$89.22	327K	-12.10%	-77.78%	Trim
JHXJAMES HARDIE INDS PLC	2.5%	$30.69M	$25.39	1.17M	-3.02%	+2244.22%	Add
WOLFSPEED INCNo ticker match	2.4%	$29.69M	—	$11.97M prn	—	—	New
AMBPARDAGH METAL PACKAGING S A	1.9%	$23.84M	$4.35	5.03M	-8.23%	+12.60%	Add
VISNVISTANCE NETWORKS INC	1.8%	$22.36M	$6.09	1.75M	-52.35%	+118.75%	Add
CMCSACOMCAST CORP NEW	1.7%	$20.62M	$21.79	840K	-11.24%	—	New
OVVOVINTIV INC	1.7%	$20.53M	$59.53	390K	+13.07%	—	New
KEEL INFRASTRUCTURE CORPNo ticker match	1.2%	$14.59M	—	$12.50M prn	—	—	New
MAGNMAGNERA CORP	1.1%	$14.17M	$11.91	1.21M	+1.36%	—	Hold
SILASILA REALTY TRUST INC	1.1%	$13.28M	$30.36	437K	—	-58.35%	Trim
SEISOLARIS ENERGY INFRAS INC	1.0%	$12.07M	$69.15	150K	-14.06%	—	New
CMCOCOLUMBUS MCKINNON CORP N Y	0.9%	$10.83M	$16.37	716K	+8.20%	—	Hold
CHTRCHARTER COMMUNICATIONS INC	0.9%	$10.67M	$110.67	75K	-22.18%	—	New
KEEL INFRASTRUCTURE CORPNo ticker match	0.7%	$8.90M	—	$8.00M prn	—	—	New
CBRSCEREBRAS SYSTEMS INC	0.6%	$7.74M	$194.95	35K	-11.79%	—	New
NCDLNUVEEN CHURCHILL DIRECT LEND	0.6%	$7.51M	$11.64	605K	-6.28%	-56.16%	Trim
WINGWINGSTOP INC	0.6%	$6.94M	$101.80	40K	-41.30%	—	New
PFLTPENNANTPARK FLOATING RATE CA	0.5%	$6.73M	$6.95	900K	-7.09%	-45.63%	Trim

Weight is the share of the reported 13F value, including options at notional value. “Since Jun 30” compares the latest close with the quarter-end price implied by the filing (value ÷ shares).

Largest buys in 2026 Q2

IAUISHARES GOLD TR≈ $253.99MNew

SHARONAI HOLDINGS INCNo ticker match≈ $126.68MNew

TDSTELEPHONE & DATA SYS INC≈ $62.03MNew

SPCXSPACE EXPLORATION TECHN CORP≈ $42.72MNew

MBCMASTERBRAND INC≈ $33.28MAdd

Largest sells in 2026 Q2

ECHOECHOSTAR CORP≈ $133.91MTrim

NEBIUS GROUP N.V.No ticker match≈ $38.51MSold

NEBIUS GROUP N.V.No ticker match≈ $37.22MSold

PCGPG&E CORP≈ $21.08MSold

UWMCUWM HOLDINGS CORPORATION≈ $21.00MSold

Options

Notional value, listed apart from stocks

SPYSTATE STR SPDR S&P 500 ETF TPUT$298.71MTrim

ECHOECHOSTAR CORPCALL$1.74MHold

Source: SEC Form 13F, values as reported by the filer. Filings lag up to 45 days after quarter end and cover only certain long positions. Research only, not investment advice.

Original filing All 13F filings on EDGAR