MARINER INVESTMENT GROUP LLC Hedge Fund

Location: New York, NY

CIK: 0001096978 · Show all filings

Period: Q2 2026 (← Previous)

Filing Date: Jul 27, 2026

Total Value: $463M (66.6% shares, 33.4% debt)

Holdings (124)

New Positions (50)

SPY STATE STR SPDR S&P 500 ETF T 12.3%
Value $57.11M Shares 76,475 Est. Cost $746.77 Unrealized
DOORDASH INC 5.3%
Value $24.66M Shares 25,000,000 Est. Cost $0.99 Unrealized
QQQ INVESCO QQQ TR 4.2%
Value $19.47M Shares 1,400,000 Est. Cost Unrealized
RIVIAN AUTOMOTIVE INC 3.5%
Value $16.02M Shares 15,000,000 Est. Cost $1.07 Unrealized
AKAMAI TECHNOLOGIES INC 2.4%
Value $10.96M Shares 7,500,000 Est. Cost $1.46 Unrealized
MUB ISHARES TR 1.1%
Value $4.892M Shares 45,454 Est. Cost $107.62 Unrealized
GLW CORNING INC 0.8%
Value $3.576M Shares 14,000 Est. Cost $255.43 Unrealized
SHIFT4 PMTS INC 0.7%
Value $3.425M Shares 55,000 Est. Cost $62.27 Unrealized
FERG FERGUSON ENTERPRISES INC 0.6%
Value $2.848M Shares 12,000 Est. Cost $237.33 Unrealized
EWZ ISHARES INC 0.6%
Value $2.76M Shares 80,000 Est. Cost $34.50 Unrealized
CIEN CIENA CORP 0.5%
Value $2.142M Shares 36,000 Est. Cost Unrealized
IEF ISHARES TR 0.5%
Value $2.137M Shares 22,596 Est. Cost $94.57 Unrealized
HYG ISHARES TR 0.4%
Value $1.967M Shares 24,600 Est. Cost $79.97 Unrealized
TOL TOLL BROTHERS INC 0.4%
Value $1.647M Shares 10,000 Est. Cost $164.75 Unrealized
BHF BRIGHTHOUSE FINL INC 0.3%
Value $1.583M Shares 25,000 Est. Cost $63.30 Unrealized
TLT ISHARES TR 0.3%
Value $1.562M Shares 18,080 Est. Cost $86.42 Unrealized
FIX COMFORT SYS USA INC 0.3%
Value $1.486M Shares 750 Est. Cost $1981.95 Unrealized
IREN IREN LIMITED 0.3%
Value $1.372M Shares 30,000 Est. Cost $45.73 Unrealized
GEV GE VERNOVA INC 0.3%
Value $1.175M Shares 1,000 Est. Cost $1174.86 Unrealized
LYONDELLBASELL INDUSTRIES NV 0.2%
Value $1.045M Shares 200,000 Est. Cost Unrealized
GEV GE VERNOVA INC 0.2%
Value $846K Shares 10,000 Est. Cost $1174.86 Unrealized
SABR SABRE CORP 0.2%
Value $836K Shares 400,000 Est. Cost $2.09 Unrealized
Q QNITY ELECTRONICS INC 0.1%
Value $653K Shares 4,000 Est. Cost $163.31 Unrealized
CIFR CIPHER DIGITAL INC 0.1%
Value $613K Shares 25,000 Est. Cost $24.50 Unrealized
CSCO CISCO SYS INC 0.1%
Value $587K Shares 5,000 Est. Cost $117.46 Unrealized
SOLS SOLSTICE ADVANCED MATLS INC 0.1%
Value $503K Shares 94,000 Est. Cost $65.21 Unrealized
CRWV COREWEAVE INC 0.1%
Value $498K Shares 5,000 Est. Cost $99.54 Unrealized
FLEX FLEX LTD 0.1%
Value $486K Shares 3,000 Est. Cost $162.07 Unrealized
MCD MCDONALDS CORP 0.1%
Value $405K Shares 1,500 Est. Cost $270.31 Unrealized
NOK NOKIA CORP 0.1%
Value $365K Shares 500,000 Est. Cost Unrealized
USAR USA RARE EARTH INC 0.1%
Value $324K Shares 15,000 Est. Cost $21.58 Unrealized
APO APOLLO GLOBAL MGMT INC 0.1%
Value $286K Shares 40,000 Est. Cost Unrealized
AVEX AEVEX CORP 0.1%
Value $283K Shares 13,528 Est. Cost $20.89 Unrealized
TSEM TOWER SEMICONDUCTOR LTD 0.1%
Value $261K Shares 1,000 Est. Cost $260.64 Unrealized
ENPH ENPHASE ENERGY INC 0.1%
Value $246K Shares 5,000 Est. Cost $49.24 Unrealized
HWM HOWMET AEROSPACE INC 0.1%
Value $236K Shares 70,000 Est. Cost Unrealized
ARES ARES MANAGEMENT CORPORATION 0.0%
Value $222K Shares 40,000 Est. Cost Unrealized
STM STMICROELECTRONICS N V 0.0%
Value $161K Shares 28,500 Est. Cost Unrealized
QQQ INVESCO QQQ TR 0.0%
Value $152K Shares 26,800 Est. Cost Unrealized
ARCC ARES CAPITAL CORP 0.0%
Value $95,000 Shares 200,000 Est. Cost Unrealized
ETN EATON CORP PLC 0.0%
Value $94,500 Shares 18,000 Est. Cost Unrealized
IREN LIMITED 0.0%
Value $69,000 Shares 40,000 Est. Cost Unrealized
TLT ISHARES TR 0.0%
Value $60,000 Shares 250,000 Est. Cost $86.42 Unrealized
IBM INTERNATIONAL BUSINESS MACHS 0.0%
Value $47,353 Shares 23,500 Est. Cost Unrealized
XLE SELECT SECTOR SPDR TR 0.0%
Value $40,000 Shares 100,000 Est. Cost Unrealized
ALB ALBEMARLE CORP 0.0%
Value $27,050 Shares 40,000 Est. Cost Unrealized
USO UNITED STS OIL FD LP 0.0%
Value $24,800 Shares 20,000 Est. Cost Unrealized
BBCQW BLEICHROEDER ACQUISITI CORP 0.0%
Value $21,800 Shares 10,000 Est. Cost $2.18 Unrealized
LQD ISHARES TR 0.0%
Value $18,239 Shares 158,600 Est. Cost Unrealized
KRMN KARMAN HLDGS INC 0.0%
Value $17,100 Shares 18,000 Est. Cost $65.32 Unrealized

Increased Positions (22)

LECO LINCOLN ELEC HLDGS INC 0.9%
Value $4.17M (+179.0%) Shares 15,705 (+161.8%) Est. Cost $246.43 Unrealized
SHY ISHARES TR 1.8%
Value $8.309M (+32.7%) Shares 101,199 (+33.5%) Est. Cost $82.46 Unrealized
IEI ISHARES TR 0.5%
Value $2.414M (+166.5%) Shares 20,551 (+169.1%) Est. Cost $117.88 Unrealized
Q QNITY ELECTRONICS INC 0.3%
Value $1.555M (+1000.9%) Shares 100,000 (+100.0%) Est. Cost $163.31 Unrealized
MTZ MASTEC INC 0.7%
Value $3.328M (+72.4%) Shares 8,000 (+33.3%) Est. Cost $255.96 Unrealized
PENNYMAC CORP 0.4%
Value $2.047M (+95.7%) Shares 2,000,000 (+100.0%) Est. Cost $1.03 Unrealized
ENTG ENTEGRIS INC 0.2%
Value $1.085M (+1105.6%) Shares 50,000 (+100.0%) Est. Cost Unrealized
LUMN LUMEN TECHNOLOGIES INC 0.3%
Value $1.344M (+157.8%) Shares 175,000 (+133.3%) Est. Cost $6.48 Unrealized
WMB WILLIAMS COS INC 0.9%
Value $4.089M (+24.8%) Shares 55,000 (+22.2%) Est. Cost $60.03 Unrealized
CAT CATERPILLAR INC 0.2%
Value $790K (+1541.8%) Shares 15,500 (+210.0%) Est. Cost $684.39 Unrealized
ALIBABA GROUP HLDG LTD 7.7%
Value $35.43M (+2.0%) Shares 30,000,000 (+20.0%) Est. Cost $1.48 Unrealized
DOW DOW HLDGS INC 0.1%
Value $621K (+788.7%) Shares 268,500 (+31.0%) Est. Cost Unrealized
OLN OLIN CORP 0.1%
Value $665K (+292.1%) Shares 254,000 (+7.6%) Est. Cost Unrealized
KRMN KARMAN HLDGS INC 0.2%
Value $749K (+87.1%) Shares 15,000 (+200.0%) Est. Cost $65.32 Unrealized
CORZ CORE SCIENTIFIC INC NEW 0.1%
Value $640K (+113.8%) Shares 25,000 (+25.0%) Est. Cost $19.28 Unrealized
BKLN INVESCO EXCH TRADED FD TR II 0.1%
Value $421K (+321.2%) Shares 1,423,200 (+42.3%) Est. Cost Unrealized
IHRT IHEARTMEDIA INC 0.1%
Value $438K (+137.3%) Shares 102,064 (+61.5%) Est. Cost $3.84 Unrealized
TDS TELEPHONE & DATA SYS INC 0.1%
Value $370K (+75.8%) Shares 10,000 (+100.0%) Est. Cost $37.98 Unrealized
OCSL OAKTREE SPECIALTY LENDING 0.0%
Value $137K (+290.9%) Shares 304,000 (+52.0%) Est. Cost Unrealized
XPRO EXPRO GROUP HOLDINGS NV 0.1%
Value $443K (+27.3%) Shares 30,000 (+50.0%) Est. Cost $12.16 Unrealized
VCSH VANGUARD SCOTTSDALE FDS 0.9%
Value $4.214M (+1.6%) Shares 53,317 (+1.9%) Est. Cost $79.27 Unrealized
WIX WIX COM LTD 0.2%
Value $778K (-4.0%) Shares 17,144 (+90.5%) Est. Cost $64.31 Unrealized

Exited Positions (34)

SNOWFLAKE INC 3.8%
Value $17.75M Shares 15,000,000 Est. Cost $1.29 Unrealized
LIVE NATION ENTERTAINMENT IN 1.6%
Value $7.607M Shares 5,000,000 Est. Cost $1.46 Unrealized
CAT CATERPILLAR INC 0.6%
Value $2.692M Shares 3,800 Est. Cost $684.39 Unrealized
SOLS SOLSTICE ADVANCED MATLS INC 0.2%
Value $1.142M Shares 15,000 Est. Cost $65.21 Unrealized
LGN LEGENCE CORP 0.2%
Value $847K Shares 15,000 Est. Cost $42.62 Unrealized
MCHP MICROCHIP TECHNOLOGY INC. 0.2%
Value $840K Shares 13,000 Est. Cost $75.77 Unrealized
MTSI MACOM TECH SOLUTIONS HLDGS I 0.1%
Value $666K Shares 3,000 Est. Cost $221.00 Unrealized
BLDR BUILDERS FIRSTSOURCE INC 0.1%
Value $650K Shares 115,000 Est. Cost Unrealized
WING WINGSTOP INC 0.1%
Value $499K Shares 32,500 Est. Cost $264.51 Unrealized
TLN TALEN ENERGY CORP 0.1%
Value $429K Shares 60,000 Est. Cost Unrealized
CCOI COGENT COMM HOLDINGS INC 0.1%
Value $394K Shares 105,000 Est. Cost Unrealized
WOLFSPEED INC 0.1%
Value $388K Shares 271,000 Est. Cost $1.49 Unrealized
APH AMPHENOL CORP 0.1%
Value $315K Shares 50,000 Est. Cost Unrealized
EWY ISHARES INC 0.1%
Value $263K Shares 50,000 Est. Cost Unrealized
WING WINGSTOP INC 0.0%
Value $155K Shares 1,000 Est. Cost $264.51 Unrealized
DE DEERE & CO 0.0%
Value $129K Shares 10,000 Est. Cost Unrealized
LYB LYONDELLBASELL INDUSTRIES NV 0.0%
Value $110K Shares 240,000 Est. Cost Unrealized
JETS ETF SER SOLUTIONS 0.0%
Value $104K Shares 200,000 Est. Cost Unrealized
KHC KRAFT HEINZ CO 0.0%
Value $91,000 Shares 200,000 Est. Cost Unrealized
DVN DEVON ENERGY CORP NEW 0.0%
Value $58,000 Shares 300,000 Est. Cost Unrealized
HWM HOWMET AEROSPACE INC 0.0%
Value $53,750 Shares 25,000 Est. Cost Unrealized
VST VISTRA CORP 0.0%
Value $48,750 Shares 25,000 Est. Cost Unrealized
UAL UNITED AIRLS HLDGS INC 0.0%
Value $41,000 Shares 25,000 Est. Cost Unrealized
SW SMURFIT WESTROCK PLC 0.0%
Value $37,500 Shares 50,000 Est. Cost Unrealized
FITB FIFTH THIRD BANCORP 0.0%
Value $35,625 Shares 25,000 Est. Cost Unrealized
JEF JEFFERIES FINANCIAL GROUP IN 0.0%
Value $33,750 Shares 25,000 Est. Cost Unrealized
COP CONOCOPHILLIPS 0.0%
Value $29,500 Shares 100,000 Est. Cost Unrealized
APA APA CORPORATION 0.0%
Value $27,000 Shares 200,000 Est. Cost Unrealized
MCD MCDONALDS CORP 0.0%
Value $26,700 Shares 30,000 Est. Cost $270.31 Unrealized
USO UNITED STS OIL FD LP 0.0%
Value $26,000 Shares 200,000 Est. Cost Unrealized
CEG CONSTELLATION ENERGY CORP 0.0%
Value $19,000 Shares 10,000 Est. Cost Unrealized
CCK CROWN HLDGS INC 0.0%
Value $16,500 Shares 15,000 Est. Cost $97.34 Unrealized
DAL DELTA AIR LINES INC 0.0%
Value $15,875 Shares 25,000 Est. Cost Unrealized
WMT WALMART INC 0.0%
Value $13,280 Shares 22,700 Est. Cost $122.03 Unrealized

Decreased Positions (14)

Unchanged Positions (38)

IBIT ISHARES BITCOIN TRUST ETF 22.5%
Value $104M Shares 3,129,352 Est. Cost $55.00 Unrealized
FLUOR CORP 7.2%
Value $33.3M Shares 25,100,000 Est. Cost $1.19 Unrealized
AERO GRUPO AEROMEXICO SAB DE CV 0.7%
Value $3.047M Shares 169,280 Est. Cost $21.96 Unrealized
LIVE NATION ENTERTAINMENT IN 1.3%
Value $5.98M Shares 5,000,000 Est. Cost $1.05 Unrealized
FSK FS KKR CAP CORP 0.1%
Value $258K Shares 700,000 Est. Cost Unrealized
RWT REDWOOD TRUST INC 0.6%
Value $2.609M Shares 550,361 Est. Cost $5.85 Unrealized
GLOBAL PMTS INC 4.9%
Value $22.5M Shares 25,000,000 Est. Cost $0.88 Unrealized
LEN LENNAR CORP 0.0%
Value $152K Shares 123,500 Est. Cost Unrealized
CIM CHIMERA INVT CORP 1.1%
Value $5.055M Shares 378,899 Est. Cost $12.70 Unrealized
BXSL BLACKSTONE SECD LENDING FD 0.0%
Value $106K Shares 325,000 Est. Cost Unrealized
RRC RANGE RES CORP 0.2%
Value $1.116M Shares 30,000 Est. Cost $36.43 Unrealized
EQT EQT CORP 0.2%
Value $1.063M Shares 20,000 Est. Cost $56.13 Unrealized
PHM PULTE GROUP INC 0.0%
Value $23,450 Shares 33,500 Est. Cost Unrealized
IGV ISHARES TR 0.2%
Value $1.133M Shares 12,500 Est. Cost $80.05 Unrealized
RITM RITHM CAPITAL CORP 2.7%
Value $12.51M Shares 1,332,583 Est. Cost $10.72 Unrealized
NE NOBLE CORP PLC 0.1%
Value $373K Shares 10,000 Est. Cost $22.94 Unrealized
WMB WILLIAMS COS INC 0.0%
Value $38,750 Shares 50,000 Est. Cost $60.03 Unrealized
POST POST HLDGS INC 0.1%
Value $266K Shares 75,000 Est. Cost Unrealized
ETR ENTERGY CORP NEW 1.0%
Value $4.594M Shares 40,000 Est. Cost $77.80 Unrealized
WMT WALMART INC 0.2%
Value $823K Shares 7,264 Est. Cost $122.03 Unrealized
PMT PENNYMAC MTG INVT TR 0.4%
Value $2.03M Shares 180,000 Est. Cost $11.66 Unrealized
CCK CROWN HLDGS INC 0.1%
Value $559K Shares 5,000 Est. Cost $97.34 Unrealized
GBDC GOLUB CAP BDC INC 0.0%
Value $87,500 Shares 200,000 Est. Cost Unrealized
PKG PACKAGING CORP AMER 0.1%
Value $357K Shares 1,500 Est. Cost $226.32 Unrealized
DX DYNEX CAP INC 0.3%
Value $1.245M Shares 95,000 Est. Cost $12.76 Unrealized
TWO TWO HARBORS INVENTMENT CORPO 0.1%
Value $407K Shares 32,776 Est. Cost $11.42 Unrealized
MITT TPG MTG INVTS TR INC 0.1%
Value $381K Shares 48,094 Est. Cost $7.31 Unrealized
PAAS PAN AMERN SILVER CORP 0.0%
Value $6,250 Shares 25,000 Est. Cost Unrealized
MFA MFA FINL INC 0.4%
Value $2.035M Shares 210,000 Est. Cost $9.58 Unrealized
PWR QUANTA SVCS INC 0.1%
Value $608K Shares 30,000 Est. Cost Unrealized
AES AES CORP 0.1%
Value $513K Shares 35,000 Est. Cost $15.14 Unrealized
AOMR ANGEL OAK MORTGAGE REIT INC 0.0%
Value $161K Shares 17,754 Est. Cost $8.22 Unrealized
REDFIN CORP 0.3%
Value $1.587M Shares 1,645,000 Est. Cost $0.78 Unrealized
KRE SPDR SERIES TRUST 0.0%
Value $11,800 Shares 20,000 Est. Cost Unrealized
BRLSW BOREALIS FOODS INC 0.0%
Value $1,093 Shares 23,300 Est. Cost $0.14 Unrealized
CYCUW CYCURION INC 0.0%
Value $525 Shares 30,000 Est. Cost $0.00 Unrealized
ITA ISHARES TR 0.0%
Value $26,000 Shares 10,000 Est. Cost Unrealized
REDWOOD TRUST INC 0.4%
Value $1.827M Shares 1,800,000 Est. Cost $1.00 Unrealized