MARINER INVESTMENT GROUP LLC

Institutional InvestorSimilar funds →SEC EDGAR: CIK 1096978
Institutional-grade research for retail investors

13F Reported Value

$361.9M

incl. option notional

Equity Holdings

$329.9M

Option Notional

$32.0M

$24.7M puts / $7.3M calls

Holdings

161

Latest Filing

2026-03-31

Filing Quarter

Q1 2026

Portfolio Overview

MARINER INVESTMENT GROUP LLC disclosed 161 positions worth $361.9M in its Form 13F-HR for Q1 2026$329.9M in common stock plus $32.0M of put/call option positions (reported at underlying notional value, not premium at risk), led by $IBIT (iShares Bitcoin Trust ETF) at 36.5% of the equity portfolio, followed by $BABA and $FLR. During the quarter the fund opened 49 new positions and exited 50 — including a new stake in $GPN and a full exit from $MSFT. The portfolio is most concentrated in Financials (36.5% of disclosed assets). All figures are sourced directly from MARINER INVESTMENT GROUP LLC’s Form 13F-HR filing with the SEC under CIK 1096978.

Sector Allocation

FinancialsIndustrialsTechnologyReal EstateOtherCommunication Services

AUM History

Top Equity Holdings by Value

Option Positions

13F rules report options at the value of the underlying shares (notional) — not the premium paid or capital at risk. Shown separately from the equity sleeve above.

$SPYPUT$5M notional
$SPYPUT$5M notional
ISHARES TR - IBOXX HI YD ETFPUT$873K notional
ISHARES TRPUT$873K notional
$FSKPUT$833K notional
$FSKPUT$833K notional
$SPYCALL$681K notional
$SPYCALL$681K notional
$BLDRPUT$650K notional
$BLDRPUT$650K notional
$PWRCALL$587K notional
$PWRCALL$587K notional

Quarterly Activity — Q1 2026

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Top Holdings

AI Quality Scored

Unlock AI quality scores for every holding

32-signal composite ranking on each of MARINER INVESTMENT GROUP LLC's 161 positions.

Showing top 10 of 161 holdings.

Sector Allocation

Financials

$120.5M

Industrials

$102.4M

Technology

$33.1M

Real Estate

$28.1M

Other

$15.3M

Communication Services

$14.2M

Energy

$8.7M

Utilities

$5.0M

Full Holdings — MARINER INVESTMENT GROUP LLC (Q1 2026)

All 161 disclosed positions from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.

#TickerCompanyValueWeightQoQQuality
1IBIT$IBITiShares Bitcoin Trust ETF$120.2M36.5%+46%
2BABA$BABAAlibaba Group Holding Ltd$34.7M10.5%+67%
3FLR$FLRFLUOR CORP$31.0M9.4%+66%66.2
4GPN$GPNGLOBAL PAYMENTS INC$22.1M6.7%NEW42.9
5SNOW$SNOWSnowflake Inc.$17.7M5.4%+200%49.6
6RITM$RITMRithm Capital Corp.$12.6M3.8%+53%52
7ON$ONON SEMICONDUCTOR CORP$12.3M3.7%+25%42.4
8LYV$LYVLive Nation Entertainment, Inc.$7.6M2.3%+0%55
9FOUR$FOURShift4 Payments, Inc.$6.3M1.9%+16%60
10ISHARES TR$6.3M1.9%+2776%
11LYV$LYVLive Nation Entertainment, Inc.$5.4M1.6%+0%55
12SPY$SPYPUTSPDR S&P 500 ETF TRUST$5.1M+907%
13SPY$SPYPUTSPDR S&P 500 ETF TRUST$5.1M+907%
14CIM$CIMCHIMERA INVESTMENT CORP$4.8M1.4%+31%
15ETR$ETRENTERGY CORP /DE/$4.5M1.4%-11%65.1
16VANGUARD SCOTTSDALE FDS$4.1M1.3%NEW
17WMB$WMBWILLIAMS COMPANIES, INC.$3.3M1.0%+0%72.8
18RWT$RWTREDWOOD TRUST INC$3.1M0.9%-26%
19CAT$CATCATERPILLAR INC$2.7M0.8%NEW67.8
20AERO$AEROGrupo Aeromexico, S.A.B. de C.V.$2.4M0.7%+0%
21PMT$PMTPennyMac Mortgage Investment Trust$2.1M0.6%NEW
22MFA$MFAMFA FINANCIAL, INC.$2.0M0.6%NEW
23MTZ$MTZMASTEC INC$1.9M0.6%-59%59.7
24RWT$RWTREDWOOD TRUST INC$1.8M0.6%+0%
25REDFIN CORP$1.6M0.5%+0%
26LECO$LECOLINCOLN ELECTRIC HOLDINGS INC$1.5M0.5%-63%67.5
27RRC$RRCRANGE RESOURCES CORP$1.4M0.4%-35%82.8
28EQT$EQTEQT Corp$1.3M0.4%+0%83.3
29DX$DXDYNEX CAPITAL INC$1.2M0.4%NEW
30SOLS$SOLSSolstice Advanced Materials Inc.$1.1M0.3%NEW
31PENNYMAC CORP$1.0M0.3%+0%
32ISHARES TR$1.0M0.3%+374%
33ISHARES TR$905,8670.3%+190%
34WMT$WMTWalmart Inc.$902,7700.3%NEW63.2
35ISHARES TR - IBOXX HI YD ETF$872,816+42%
36ISHARES TR$872,816+42%
37LGN$LGNLegence Corp.$846,9000.3%+50%
38MCHP$MCHPMICROCHIP TECHNOLOGY INC$839,9300.3%NEW40
39FSK$FSKPUTFS KKR Capital Corp$832,500+65%
40FSK$FSKPUTFS KKR Capital Corp$832,500+65%
41WIX$WIXWix.com Ltd.$810,6300.3%NEW
42SPY$SPYCALLSPDR S&P 500 ETF TRUST$680,650+1160%
43SPY$SPYCALLSPDR S&P 500 ETF TRUST$680,650+1160%
44MTSI$MTSIMACOM Technology Solutions Holdings, Inc.$666,2100.2%NEW70.6
45BLDR$BLDRPUTBuilders FirstSource, Inc.$649,750+15%48.4
46BLDR$BLDRPUTBuilders FirstSource, Inc.$649,750+15%48.4
47PWR$PWRCALLQUANTA SERVICES, INC.$586,500NEW62.6
48PWR$PWRCALLQUANTA SERVICES, INC.$586,500NEW62.6
49LEN$LENPUTLENNAR CORP /NEW/$551,050+111%49.2
50LEN$LENPUTLENNAR CORP /NEW/$551,050+111%49.2
51COHR$COHRCALLCOHERENT CORP.$535,500NEW64
52COHR$COHRCALLCOHERENT CORP.$535,500NEW64
53LUMN$LUMNLumen Technologies, Inc.$521,2500.2%+0%39.8
54CCK$CCKCROWN HOLDINGS, INC.$501,2500.1%+0%61.9
55WING$WINGPUTWingstop Inc.$498,875NEW75.1
56WING$WINGPUTWingstop Inc.$498,875NEW75.1
57DHI$DHIPUTHORTON D R INC /DE/$493,300+74%54.6
58DHI$DHIPUTHORTON D R INC /DE/$493,300+74%54.6
59AES$AESAES CORP$493,1500.1%NEW50.9
60NE$NENoble Corp plc$490,7000.1%+0%
61FOUR$FOURCALLShift4 Payments, Inc.$488,250NEW60
62FOUR$FOURCALLShift4 Payments, Inc.$488,250NEW60
63TLN$TLNCALLTalen Energy Corp$429,000NEW66.5
64TLN$TLNCALLTalen Energy Corp$429,000NEW66.5
65WOLF$WOLFWOLFSPEED, INC.$408,0000.1%+25%28.4
66KRMN$KRMNKarman Holdings Inc.$400,2500.1%NEW56.1
67CCOI$CCOIPUTCOGENT COMMUNICATIONS HOLDINGS, INC.$393,750+0%32.2
68CCOI$CCOIPUTCOGENT COMMUNICATIONS HOLDINGS, INC.$393,750+0%32.2
69WOLF$WOLFWOLFSPEED, INC.$387,8690.1%+0%28.4
70BXSL$BXSLPUTBlackstone Secured Lending Fund$384,375+160%
71BXSL$BXSLPUTBlackstone Secured Lending Fund$384,375+160%
72TWO$TWOTWO HARBORS INVESTMENT CORP.$374,3020.1%NEW
73TPG MTG INVTS TR INC$351,5670.1%NEW
74XPRO$XPROEXPRO GROUP HOLDINGS N.V.$348,2000.1%+0%
75PKG$PKGPACKAGING CORP OF AMERICA$318,3300.1%NEW70
76APH$APHPUTAMPHENOL CORP /DE/$315,000NEW80.5
77APH$APHPUTAMPHENOL CORP /DE/$315,000NEW80.5
78CORZ$CORZCore Scientific, Inc./tx$299,2000.1%NEW14
79ISHARES INC - MSCI STH KOR ETF$262,500NEW
80ISHARES INC$262,500NEW
81PMTS$PMTSCPI Card Group Inc.$261,9060.1%NEW45
82TDS$TDSTELEPHONE & DATA SYSTEMS INC /DE/$210,5000.1%+0%42.2
83GLW$GLWCALLCORNING INC /NY$209,250-85%72.7
84GLW$GLWCALLCORNING INC /NY$209,250-85%72.7
85IHRT$IHRTiHeartMedia, Inc.$184,4800.1%NEW36.2
86OLN$OLNPUTOLIN Corp$169,700+18%42.9
87OLN$OLNPUTOLIN Corp$169,700+18%42.9
88FOUR$FOURPUTShift4 Payments, Inc.$166,750NEW60
89FOUR$FOURPUTShift4 Payments, Inc.$166,750NEW60
90PHM$PHMPUTPULTEGROUP INC/MI/$164,150NEW65.1
91PHM$PHMPUTPULTEGROUP INC/MI/$164,150NEW65.1
92POST$POSTPUTPost Holdings, Inc.$159,375+0%53.8
93POST$POSTPUTPost Holdings, Inc.$159,375+0%53.8
94WMB$WMBCALLWILLIAMS COMPANIES, INC.$155,000-67%72.8
95WMB$WMBCALLWILLIAMS COMPANIES, INC.$155,000-67%72.8
96WING$WINGWingstop Inc.$154,9700.1%NEW75.1
97AOMD$AOMDAngel Oak Mortgage REIT, Inc.$145,9380.0%NEW
98Q$QCALLQnity Electronics, Inc.$141,250NEW
99Q$QCALLQnity Electronics, Inc.$141,250NEW
100IP$IPPUTINTERNATIONAL PAPER CO /NEW/$137,500+0%52.1
101IP$IPPUTINTERNATIONAL PAPER CO /NEW/$137,500+0%52.1
102GBDC$GBDCPUTGOLUB CAPITAL BDC, Inc.$130,000NEW
103GBDC$GBDCPUTGOLUB CAPITAL BDC, Inc.$130,000NEW
104DE$DEPUTDEERE & CO$128,500NEW57.4
105DE$DEPUTDEERE & CO$128,500NEW57.4
106CARR$CARRPUTCARRIER GLOBAL Corp$124,375+50%61.5
107CARR$CARRPUTCARRIER GLOBAL Corp$124,375+50%61.5
108LYB$LYBPUTLyondellBasell Industries N.V.$110,000-52%
109LYB$LYBPUTLyondellBasell Industries N.V.$110,000-52%
110ETF SER SOLUTIONS$104,000NEW
111ETF SER SOLUTIONS - US GLB JETS$104,000NEW
112IVZ$IVZPUTInvesco Ltd.$100,000NEW
113IVZ$IVZPUTInvesco Ltd.$100,000NEW
114KHC$KHCPUTKraft Heinz Co$91,000NEW42.5
115KHC$KHCPUTKraft Heinz Co$91,000NEW42.5
116ENTG$ENTGCALLENTEGRIS INC$90,000NEW57.7
117ENTG$ENTGCALLENTEGRIS INC$90,000NEW57.7
118DOW$DOWPUTDOW INC.$69,850-63%38
119DOW$DOWPUTDOW INC.$69,850-63%38
120DVN$DVNPUTDEVON ENERGY CORP/DE$58,000NEW70.2
121DVN$DVNPUTDEVON ENERGY CORP/DE$58,000NEW70.2
122HWM$HWMPUTHowmet Aerospace Inc.$53,750+0%79.1
123HWM$HWMPUTHowmet Aerospace Inc.$53,750+0%79.1
124VST$VSTCALLVistra Corp.$48,750-29%62.9
125VST$VSTCALLVistra Corp.$48,750-29%62.9
126CAT$CATCALLCATERPILLAR INC$48,125-88%67.8
127CAT$CATCALLCATERPILLAR INC$48,125-88%67.8
128UAL$UALPUTUnited Airlines Holdings, Inc.$41,000-67%61.3
129UAL$UALPUTUnited Airlines Holdings, Inc.$41,000-67%61.3
130SW$SWPUTSmurfit Westrock plc$37,500+0%
131SW$SWPUTSmurfit Westrock plc$37,500+0%
132FITB$FITBPUTFIFTH THIRD BANCORP$35,625NEW
133FITB$FITBPUTFIFTH THIRD BANCORP$35,625NEW
134OCSL$OCSLPUTOaktree Specialty Lending Corp$35,000NEW
135OCSL$OCSLPUTOaktree Specialty Lending Corp$35,000NEW
136JEF$JEFPUTJefferies Financial Group Inc.$33,750NEW65.6
137JEF$JEFPUTJefferies Financial Group Inc.$33,750NEW65.6
138COP$COPPUTCONOCOPHILLIPS$29,500+100%74.8
139COP$COPPUTCONOCOPHILLIPS$29,500+100%74.8
140PAAS$PAASCALLPAN AMERICAN SILVER CORP$29,375NEW
141PAAS$PAASCALLPAN AMERICAN SILVER CORP$29,375NEW
142APA$APAPUTAPA Corp$27,000NEW
143APA$APAPUTAPA Corp$27,000NEW
144MCD$MCDCALLMCDONALDS CORP$26,700NEW73.9
145MCD$MCDCALLMCDONALDS CORP$26,700NEW73.9
146USO$USOCALLUnited States Oil Fund, LP$26,000NEW
147ISHARES TR - US AER DEF ETF$26,000NEW
148USO$USOCALLUnited States Oil Fund, LP$26,000NEW
149ISHARES TR$26,000-80%
150CEG$CEGCALLConstellation Energy Corp$19,000-67%62.5
151CEG$CEGCALLConstellation Energy Corp$19,000-67%62.5
152SPDR SERIES TRUST$18,600NEW
153SPDR SERIES TRUST - STATE STREET SPD$18,600NEW
154CCK$CCKCALLCROWN HOLDINGS, INC.$16,500NEW61.9
155CCK$CCKCALLCROWN HOLDINGS, INC.$16,500NEW61.9
156DAL$DALPUTDELTA AIR LINES, INC.$15,875-50%64.4
157DAL$DALPUTDELTA AIR LINES, INC.$15,875-50%64.4
158WMT$WMTCALLWalmart Inc.$13,280NEW63.2
159WMT$WMTCALLWalmart Inc.$13,280NEW63.2
160BOREALIS FOODS INC$1,8060.0%+0%
161CYCU$CYCUCycurion, Inc.$6180.0%+0%

New Positions (49)

GPN$GPN GLOBAL PAYMENTS INC$22.1M
VANGUARD SCOTTSDALE FDS$4.1M
CAT$CAT CATERPILLAR INC$2.7M
PMT$PMT PennyMac Mortgage Investment Trust$2.1M
MFA$MFA MFA FINANCIAL, INC.$2.0M
DX$DX DYNEX CAPITAL INC$1.2M
SOLS$SOLS Solstice Advanced Materials Inc.$1.1M
WMT$WMT Walmart Inc.$902,770
MCHP$MCHP MICROCHIP TECHNOLOGY INC$839,930
WIX$WIX Wix.com Ltd.$810,630
MTSI$MTSI MACOM Technology Solutions Holdings, Inc.$666,210
PWR$PWRCALL QUANTA SERVICES, INC.$586,500
COHR$COHRCALL COHERENT CORP.$535,500
WING$WINGPUT Wingstop Inc.$498,875
AES$AES AES CORP$493,150

Exited Positions (50)

MSFT$MSFT MICROSOFT CORP
LRCX$LRCX LAM RESEARCH CORP
GOOG$GOOG Alphabet Inc.
COST$COST COSTCO WHOLESALE CORP /NEW
CSCO$CSCO CISCO SYSTEMS, INC.
ASML$ASML ASML HOLDING NV
TXN$TXN TEXAS INSTRUMENTS INC
NVDA$NVDA NVIDIA CORP
LIN$LIN LINDE PLC
INTC$INTC INTEL CORP
HON$HON HONEYWELL INTERNATIONAL INC
AAPL$AAPL Apple Inc.
MA$MA Mastercard Inc
CTAS$CTAS CINTAS CORP
MCD$MCD MCDONALDS CORP

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