Diameter Capital Partners LP — 13F Holdings

2026 Q1  ·  53 Positions

2026 Q1 Portfolio Activity

In 2026 Q1, Diameter Capital Partners LP maintained a portfolio of 53 distinct positions. The most significant new addition was STATE STR SPDR S&P 500 ETF T, now representing 30.44% of the total fund value. They heavily accumulated shares in UNITI GROUP LLC, increasing the position by 278.8%. Conversely, Diameter Capital Partners LP completely exited their position in ECHOSTAR CORP.
Position History hover any row below to update
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PCA Score Concentration Risk
Risk ENB
Total Positions
53
Quarter
2026 Q1
Top Holding
SPY (30.4%)
Top 10 Concentration
77.4%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 53

Diameter Capital Partners LP Full Holdings List — 2026 Q1

Stock History Sector / Type Port % Prev % Rank / Prev Conviction Change % Change Influence Shares Mkt Value Avg Cost Price Held 1st Owned Source Source Date Date Reported
SPY
STATE STR SPDR ...
PUT
PUT Option 30.44% #1
Prev: #—
9.5 500,000
NEW
500,000 $325,170,000
$312.58 +109.8%
$650.34 +0.8%
2017 Q4 13F Filing 2026-03-31 2026-05-15
SATS
ECHOSTAR CORP
Communication Services 16.12% 37.43% #2 1
Prev: #1
5.5 -2,297,344 -61.0%
P
S
1,470,584 $172,161,269 2024 Q1 13F Filing 2026-03-31 2026-05-15
IWM
ISHARES TR
PUT
PUT Option 9.29% #3
Prev: #—
8.2 400,000
NEW
400,000 $99,200,000 2018 Q3 13F Filing 2026-03-31 2026-05-15
UNIT
UNITI GROUP LLC
Real Estate 4.99% 0.96% #4 21
Prev: #25
5.5 4,181,528 278.8%
P
S
5,681,528 $53,292,733 2025 Q4 13F Filing 2026-03-31 2026-05-15
N/A
NEBIUS GROUP N....
Bond/Debt 3.60% #5
Prev: #—
5.4 40,000,000
NEW
40,000,000 $38,505,800 13F Filing 2026-03-31 2026-05-15
N/A
NEBIUS GROUP N....
Bond/Debt 3.48% #6
Prev: #—
4.9 40,000,000
NEW
40,000,000 $37,224,000 13F Filing 2026-03-31 2026-05-15
FBIN
FORTUNE BRANDS ...
Industrials 2.48% #7
Prev: #—
4.5 680,000
NEW
680,000 $26,499,600 2026 Q1 13F Filing 2026-03-31 2026-05-15
BKNG
BOOKING HOLDING...
PUT
PUT Option 2.36% #8
Prev: #—
4.4 6,000
NEW
6,000 $25,261,920 2025 Q3 13F Filing 2026-03-31 2026-05-15
SILA
SILA REALTY TRU...
Real Estate 2.33% 3.73% #9 3
Prev: #6
0.9 -699,571 -40.0%
P
S
1,050,429 $24,874,159 2024 Q3 13F Filing 2026-03-31 2026-05-15
CZR
CAESARS ENTERTA...
CALL
CALL Option 2.28% 3.21% #10 3
Prev: #7
0.9 -579,400 -38.6%
P
S
920,600 $24,331,458 2017 Q4 13F Filing 2026-03-31 2026-05-15
HCA
HCA HEALTHCARE ...
PUT
PUT Option 2.08% 5.12% #11 8
Prev: #3
0.8 -73,000 -60.8%
P
S
47,000 $22,242,280 2025 Q4 13F Filing 2026-03-31 2026-05-15
PCG
PG&E CORP
Utilities 1.97% #12
Prev: #—
4.3 1,200,000
NEW
1,200,000 $21,084,000 2018 Q3 13F Filing 2026-03-31 2026-05-15
UWMC
UWM HOLDINGS CO...
Financial Services 1.97% #13
Prev: #—
4.3 5,800,000
NEW
5,800,000 $20,996,000 2022 Q1 13F Filing 2026-03-31 2026-05-15
ARKK
ARK ETF TR
PUT
PUT Option 1.90% #14
Prev: #—
4.3 300,000
NEW
300,000 $20,277,000 2021 Q1 13F Filing 2026-03-31 2026-05-15
XLI
SELECT SECTOR S...
PUT
PUT Option 1.89% #15
Prev: #—
4.3 125,000
NEW
125,000 $20,216,250 2026 Q1 13F Filing 2026-03-31 2026-05-15
AMBP
ARDAGH METAL PA...
Consumer Cyclical 1.69% 2.01% #16 4
Prev: #12
1.2 -908,946 -16.9%
P
S
4,467,420 $18,093,051 2021 Q3 13F Filing 2026-03-31 2026-05-15
NCDL
NUVEEN CHURCHIL...
Financial Services 1.64% 1.49% #17 3
Prev: #20
2.7 158,561 13.0%
P
S
1,379,361 $17,545,472 2025 Q4 13F Filing 2026-03-31 2026-05-15
COMM
VISTANCE NETWOR...
Unknown 1.36% #18
Prev: #—
4.0 800,000
NEW
800,000 $14,560,000 2021 Q4 13F Filing 2026-03-31 2026-05-15
PFLT
PENNANTPARK FLO...
Financial Services 1.25% 1.00% #19 5
Prev: #24
3.0 470,770 39.7%
P
S
1,655,246 $13,308,178 2025 Q4 13F Filing 2026-03-31 2026-05-15
MBC
MASTERBRAND INC
Consumer Cyclical 1.20% 6.06% #20 18
Prev: #2
0.5 -4,464,839 -74.3%
P
S
1,545,571 $12,843,695 2025 Q2 13F Filing 2026-03-31 2026-05-15
BBDC
BARINGS BDC INC
Financial Services 1.13% 0.81% #21 6
Prev: #27
3.5 505,430 52.3%
P
S
1,471,800 $12,112,914 2025 Q4 13F Filing 2026-03-31 2026-05-15
SLRC
SLR INVESTMENT ...
Financial Services 1.11% 0.56% #22 6
Prev: #28
3.4 431,710 109.2%
P
S
827,099 $11,835,787 2025 Q4 13F Filing 2026-03-31 2026-05-15
MAGN
MAGNERA CORP
Consumer Defensive 1.07% 1.67% #23 4
Prev: #19
1.4 no change no change
P
S
1,205,793 $11,467,091 2025 Q2 13F Filing 2026-03-31 2026-05-15
CMCO
COLUMBUS MCKINN...
Industrials 0.97% #24
Prev: #—
3.9 715,783
NEW
715,783 $10,400,327 2026 Q1 13F Filing 2026-03-31 2026-05-15
GOOGL
ALPHABET INC
CALL
CALL Option 0.67% 2.15% #25 15
Prev: #10
0.3 -50,000 -66.7%
P
S
25,000 $7,189,000 2025 Q4 13F Filing 2026-03-31 2026-05-15
RH
RH
Consumer Cyclical 0.40% 1.20% #26 4
Prev: #22
0.2 -42,275 -57.9%
P
S
30,725 $4,295,970 2025 Q2 13F Filing 2026-03-31 2026-05-15
SATS
ECHOSTAR CORP
CALL
CALL Option 0.19% #27
Prev: #—
3.6 17,100
NEW
17,100 $2,001,897 2024 Q1 13F Filing 2026-03-31 2026-05-15
N/A
JAMES HARDIE IN...
Unknown 0.09% 1.90% #28 15
Prev: #13
0.0 -950,000 -95.0%
P
S
50,000 $947,000 13F Filing 2026-03-31 2026-05-15
N/A
LIBERTY MEDIA C...
Unknown 0.03% 0.04% #29 11
Prev: #40
0.5 -11,346 -0.1%
P
S
7,783,528 $320,292 13F Filing 2026-03-31 2026-05-15
PFE
PFIZER INC
Healthcare 0.00% 0.12%
Sold All 😨
(Was: #39)
0.0 -53,000 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-03-31 2026-05-15
SNY
SANOFI SA
Healthcare 0.00% 0.12%
Sold All 😨
(Was: #38)
0.0 -28,000 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-03-31 2026-05-15
AZN
ASTRAZENECA PLC
Healthcare 0.00% 0.13%
Sold All 😨
(Was: #37)
0.0 -15,000 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-03-31 2026-05-15
NVS
NOVARTIS AG
Healthcare 0.00% 0.13%
Sold All 😨
(Was: #36)
0.0 -10,400 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-03-31 2026-05-15
MRK
MERCK & CO INC
Healthcare 0.00% 0.13%
Sold All 😨
(Was: #35)
0.0 -13,750 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-03-31 2026-05-15
LLY
ELI LILLY & CO
Healthcare 0.00% 0.13%
Sold All 😨
(Was: #34)
0.0 -1,350 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-03-31 2026-05-15
MERC
MERCER INTL INC
Basic Materials 0.00% 0.20%
Sold All 😨
(Was: #33)
0.0 -1,100,397 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-03-31 2026-05-15
ULS
UL SOLUTIONS IN...
Industrials 0.00% 0.36%
Sold All 😨
(Was: #32)
0.0 -50,000 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-03-31 2026-05-15
N/A
RAPID7 INC
Bond/Debt 0.00% 0.42%
Sold All 😨
(Was: #31)
0.0 -5,000,000 -100.0%
CLOSED
$— 13F Filing 2026-03-31 2026-05-15
ATUS
OPTIMUM COMMUNI...
Unknown 0.00% 0.48%
Sold All 😨
(Was: #30)
0.0 -3,188,947 -100.0%
CLOSED
$— 2019 Q1 13F Filing 2026-03-31 2026-05-15
WOLF
WOLFSPEED INC
Technology 0.00% 0.55%
Sold All 😨
(Was: #29)
0.0 -347,427 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-03-31 2026-05-15
MDLN
MEDLINE INC
Healthcare 0.00% 0.96%
Sold All 😨
(Was: #26)
0.0 -250,000 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-03-31 2026-05-15
MFIC
MIDCAP FINANCIA...
Financial Services 0.00% 1.06%
Sold All 😨
(Was: #23)
0.0 -1,013,005 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-03-31 2026-05-15
N/A
FIVE9 INC
Bond/Debt 0.00% 1.45%
Sold All 😨
(Was: #21)
0.0 -17,550,000 -100.0%
CLOSED
$— 13F Filing 2026-03-31 2026-05-15
EVRG
EVERGY INC
Utilities 0.00% 1.72%
Sold All 😨
(Was: #18)
0.0 -260,000 -100.0%
CLOSED
$— 2025 Q3 13F Filing 2026-03-31 2026-05-15
DBRG
DIGITALBRIDGE G...
Financial Services 0.00% 1.75%
Sold All 😨
(Was: #17)
0.0 -1,250,000 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-03-31 2026-05-15
ETR
ENTERGY CORP NE...
Utilities 0.00% 1.76%
Sold All 😨
(Was: #16)
0.0 -208,000 -100.0%
CLOSED
$— 2025 Q3 13F Filing 2026-03-31 2026-05-15
CZR
CAESARS ENTERTA...
Consumer Cyclical 0.00% 1.82%
Sold All 😨
(Was: #15)
0.0 -850,000 -100.0%
CLOSED
$— 2017 Q4 13F Filing 2026-03-31 2026-05-15
N/A
BAIN CAP GSS IN...
Unknown 0.00% 1.87%
Sold All 😨
(Was: #14)
0.0 -2,000,000 -100.0%
CLOSED
$— 13F Filing 2026-03-31 2026-05-15
AAL
AMERICAN AIRLS ...
PUT
PUT Option 0.00% 2.10%
Sold All 😨
(Was: #11)
0.0 -1,500,000 -100.0%
CLOSED
$— 2020 Q2 13F Filing 2026-03-31 2026-05-15
AES
AES CORP
Utilities 0.00% 2.56%
Sold All 😨
(Was: #9)
0.0 -1,950,000 -100.0%
CLOSED
$— 2025 Q3 13F Filing 2026-03-31 2026-05-15
Showing 1-50 of 53 holdings

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