DC

Diameter Capital Partners LP

High-turnover traderSector-focusedContrarian

Total reported value

$1.1B

Reporting period: 2026-03-31 · Number of holdings: 29

Diameter Capital Partners LP disclosed 29 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $1.1B and a quarterly turnover rate of 134.6%.

Personality snowflake

Concentration
55.44
Portfolio Stability
100
Momentum/Contrarian
0
Sector conviction
100
Diversification
56
Sizing Uniformity
82.72

Recent moves

  • Trim ECHO

    -60.5%　-$235.4M

  • Trim MBC

    -74.3%　-$53.5M

  • Add UNIT

    +278.8%　$42.8M

  • Trim HCA

    -60.8%　-$33.8M

  • Trim CZR

    -60.8%　-$30.6M

  • Trim JHX

    -95.0%　-$19.8M

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

Showing top 28 holdings (of 29 total)

#TickerIssuerAsset SubclassWeightWeight ChangeShares Change4Q Trend
1SPYSs Spdr S&p 500 ETF Trust-usETF-Large Cap & Growth30.44%+30.44%NEW
2ECHOEchostar Corp-aStock-Comm Services16.30%-21.13%-60.52%
3IWMIshares Russell 2000 ETFETF-Small Cap9.29%+9.29%NEW
4UNITUniti Group INCStock-Other4.99%+4.03%+278.77%
5NBIS 1.25 03-15-31Nebius Group NVStock-Other3.60%+3.60%NEW
6NBIS 2.625 03-15-33 .Nebius Group NVStock-Other3.48%+3.48%NEW
7FBINFortune Brands Innovations IStock-Industrials2.48%+2.48%NEW
8BKNGBooking Holdings INCStock-Consumer Disc2.36%+2.36%NEW
9SILASila Realty Trust INCStock-Other2.33%-1.40%-39.98%
10CZRCaesars Entertainment INCStock-Consumer Disc2.28%-2.74%-60.83%
11HCAHca Healthcare INCStock-Healthcare2.08%-3.04%-60.83%
12PCGP G & E CORPStock-Utilities1.97%+1.97%NEW
13UWMCUwm Holdings CORPStock-Other1.97%+1.97%NEW
14ARKKArk Innovation ETFETF-Other1.90%+1.90%NEW
15XLISs Industrial Select SectorETF-Other1.89%+1.89%NEW
16AMBPArdagh Metal Packaging S.A.Stock-Other1.69%-0.32%-16.91%
17NCDLNuveen Churchill Direct LendStock-Other1.64%+0.15%+12.99%
18VISNVistance Networks INCStock-Tech1.36%+1.36%NEW
19PFLTPennantpark Floating Rate CaStock-Other1.25%+0.25%+39.74%
20MBCMasterbrand INCStock-Consumer Disc1.20%-4.86%-74.29%
21BBDCBarings Bdc INCStock-Other1.13%+0.32%+52.30%
22SLRCSlr Investment CORPStock-Other1.11%+0.55%+109.19%
23MAGNMagnera CORPStock-Other1.07%-0.60%—
24CMCOColumbus Mckinnon Corp/nyStock-Other0.97%+0.97%NEW
25GOOGLAlphabet Inc-cl AStock-Comm Services0.67%-1.48%-66.67%
26RHRhStock-Consumer Disc0.40%-0.80%-57.91%
27JHXJames Hardie Industries plcStock-Other0.09%-1.81%-95.00%
28LINTA 3.75 02-15-30Liberty Interactive LLCStock-Other0.03%—-0.15%

Holding changes this quarter

Diameter Capital Partners LP's most significant position changes for 2026-03-31: New buy: Ss Spdr S&p 500 ETF Trust-us (SPY); New buy: Ishares Russell 2000 ETF (IWM); Sold out: Telephone And Data Systems (TDS); Sold out: Alibaba Group Holding (BABA 0.5 06-01-31); New buy: Nebius Group NV (NBIS 1.25 03-15-31).

Position changes disclosed by Diameter Capital Partners LP for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#TickerIssuerWeight ChangeShares ChangeAction
1UNITUniti Group INC+4%+278.77%Add
2SLRCSlr Investment CORP+0.6%+109.19%Add
3BBDCBarings Bdc INC+0.3%+52.30%Add
4PFLTPennantpark Floating Rate Ca+0.3%+39.74%Add
5NCDLNuveen Churchill Direct Lend+0.2%+12.99%Add
6AMBPArdagh Metal Packaging S.A.-0.3%-16.91%Trim
7MAGNMagnera CORP-0.6%—Unchanged
8RHRh-0.8%-57.91%Trim
9SILASila Realty Trust INC-1.4%-39.98%Trim
10GOOGLAlphabet Inc-cl A-1.5%-66.67%Trim
11JHXJames Hardie Industries plc-1.8%-95.00%Trim
12CZRCaesars Entertainment INC-2.7%-60.83%Trim
13HCAHca Healthcare INC-3%-60.83%Trim
14MBCMasterbrand INC-4.9%-74.29%Trim
15ECHOEchostar Corp-a-21.1%-60.52%Trim
16SPYSs Spdr S&p 500 ETF Trust-us—NEWNew buy
17IWMIshares Russell 2000 ETF—NEWNew buy
18TDSTelephone And Data Systems—EXITSold out
19BABA 0.5 06-01-31Alibaba Group Holding—EXITSold out
20NBIS 1.25 03-15-31Nebius Group NV—NEWNew buy
21NBIS 2.625 03-15-33 .Nebius Group NV—NEWNew buy
22FSKFs Kkr Capital CORP—EXITSold out
23AESAes CORP—EXITSold out
24FBINFortune Brands Innovations I—NEWNew buy
25BKNGBooking Holdings INC—NEWNew buy
26AALAmerican Airlines Group INC—EXITSold out
27PCGP G & E CORP—NEWNew buy
28UWMCUwm Holdings CORP—NEWNew buy
29✓ Bain Cap Gss Invt CORP—EXITSold out
30ARKKArk Innovation ETF—NEWNew buy
31XLISs Industrial Select Sector—NEWNew buy
32ETREntergy CORP—EXITSold out
33DBRGDigitalbridge Group INC—EXITSold out
34EVRGEvergy INC—EXITSold out
35FIVN 1 03-15-29Five9 INC—EXITSold out
36VISNVistance Networks INC—NEWNew buy
37MFICMidcap Financial Investment—EXITSold out
38MDLNMedline Inc-cl A—EXITSold out
39CMCOColumbus Mckinnon Corp/ny—NEWNew buy
40WOLFWolfspeed INC—EXITSold out
41OPTUOptimum Communications Inc-a—EXITSold out
42RPD 1.25 03-15-29Rapid7 INC—EXITSold out
43ULSUl Solutions INC - Class A—EXITSold out
44MERCMercer International INC—EXITSold out
45LLYEli Lilly & Co—EXITSold out
46MRKMerck & Co. INC.—EXITSold out
47NVSNovartis Ag-sponsored Adr—EXITSold out
48AZNNAstrazeneca Plc-spons Adr—EXITSold out
49SNYSanofi-adr—EXITSold out
50PFEPfizer INC—EXITSold out

FAQ

What is Diameter Capital Partners LP and what type of investor is it?
Diameter Capital Partners LP is a investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-03-31), the firm manages a tracked equity portfolio valued at approximately $1.1B, spread across 29 disclosed positions.
What are Diameter Capital Partners LP's largest equity positions?
Based on the latest 13F filing, Diameter Capital Partners LP's top holdings by market value are: 1. Ss Spdr S&p 500 ETF Trust-us (SPY) — $325.2M (30.4%) 2. Echostar Corp-a (ECHO) — $174.2M (16.3%) 3. Ishares Russell 2000 ETF (IWM) — $99.2M (9.3%) 4. Uniti Group INC (UNIT) — $53.3M (5.0%) 5. Nebius Group NV (NBIS 1.25 03-15-31) — $38.5M (3.6%)
What changes did Diameter Capital Partners LP make in its most recent portfolio filing?
In the latest reported quarter, Diameter Capital Partners LP made 49 notable position adjustments: 12 new positions were initiated, 5 existing holdings were added to, 9 positions were partially reduced, and 23 were completely exited. The largest of these moves: New buy: Ss Spdr S&p 500 ETF Trust-us (SPY); New buy: Ishares Russell 2000 ETF (IWM); Sold out: Telephone And Data Systems (TDS); Sold out: Alibaba Group Holding (BABA 0.5 06-01-31); New buy: Nebius Group NV (NBIS 1.25 03-15-31)
What sectors does Diameter Capital Partners LP focus on?
Diameter Capital Partners LP is concentrated in the following sectors based on its current disclosed equity portfolio: • Communication Services: 54.5% • Consumer Discretionary: 20.1% • Industrials: 8.0% • Health Care: 6.7% • Utilities: 6.3% • Information Technology: 4.4%