Mangrove Partners Im, LLC

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 15, 2025), Mangrove Partners Im, LLC reported 134 stock positions worth $869.3 million. Its top holding was Rio Tinto PLC-Spon ADR (RIO) at 6.9% of the portfolio, followed by Liberty Broadband-C (LBRDK, 5.5%) and Liberty Media Corp.-Liberty-C (LLYVK, 5.0%). Compared with Q4 2024, it opened 76 new positions, sold out of 67, added to 9 and reduced 5. The biggest buy was Rio Tinto PLC-Spon ADR (RIO, shares +300%) and the biggest sale an exit from Tower Semiconductor (TSEM).

Most Recent 13F
Q2 2026
Location
Greenwich, CT
CIK
0001535392
Portfolio Value
$869.3M (Q1 2025)
SEC Filing
0001172661-25-002060 ↗ filed May 15, 2025

Holdings Value

0$500.0M$1.0B$1.5B$2.0B Q1 2024: $1.2B Q1 2024 Q2 2024: $1.1B Q2 2024 Q3 2024: $1.0B Q3 2024 Q4 2024: $820.5M Q4 2024 Q1 2025: $869.3M $869.3M Q1 2025 Q2 2025: $915.0M Q2 2025 Q3 2025: $1.2B Q3 2025 Q4 2025: $1.2B Q4 2025 Q1 2026: $1.2B Q1 2026 Q2 2026: $1.5B Q2 2026

Holdings 134 stocks · $869.3M

RIO Rio Tinto PLC-Spon ADR 6.90% 998,661 $60.0M Add +300.3%
LBRDK Liberty Broadband-C 5.47% 559,339 $47.6M Add +10.4%
LLYVK Liberty Media Corp.-Liberty-C 4.99% 636,123 $43.3M No change
ATMU Atmus Filtration Technologie 4.65% 1,099,631 $40.4M No change
ENVA Enova International Inc. 4.61% 415,160 $40.1M No change
LAUR Laureate Education Inc. 4.54% 1,930,871 $39.5M No change
AER Aercap Holdings NV 4.01% 340,904 $34.8M No change
TIGO Millicom Intl Cellular S.A. 3.76% 1,079,249 $32.7M Add +294.7%
MRP Millrose Properties 3.63% 1,191,659 $31.6M New
TEVA Teva Pharmaceutical-SP ADR 3.42% 1,932,427 $29.7M No change
MBC Masterbrand Inc. 3.26% 2,169,520 $28.3M No change
ECVT Ecovyst Inc. 3.24% 4,538,410 $28.1M New
SGI Somnigroup International Inc. 3.20% 463,875 $27.8M Add +61.7%
WS Worthington Steel Inc. 2.76% 947,049 $24.0M Add +12.2%
IJR iShares Core S&P Small-Cap E 2.69% 223,300 $23.4M No change
MREO Mereo Biopharma Group PL-ADR 2.24% 8,636,485 $19.4M No change
PTGX Protagonist Therapeutics Inc. 2.20% 395,383 $19.1M No change
AUR Aurora Innovation Inc. 2.18% 2,815,036 $18.9M No change
UBS UBS Group AG-Reg 1.86% 527,637 $16.2M No change
CENTA Central Garden and Pet Co. Class A 1.86% 493,056 $16.1M No change
PPLI People Inc. filed as IAC INC 1.79% 338,643 $15.6M No change
VAL Valaris Ltd. 1.78% 394,843 $15.5M Add +4.5%
BLCO Bausch + Lomb Corp. 1.77% 1,059,133 $15.4M No change
NWSA News Corp. Class A 1.66% 529,204 $14.4M New
PDT John Hancock Prem DVD FND 1.02% 681,031 $8.9M No change
LNTH Lantheus Holdings Inc. 0.95% 84,940 $8.3M Reduce -51.5%
CIG Cia Energetica DE-Spon ADR 0.93% 4,600,000 $8.1M No change
CHW Calamos Global Dynamic Incom 0.91% 1,231,838 $7.9M No change
CNH CNH Industrial NV 0.86% 607,678 $7.5M No change
INDV Indivior Ltd. 0.78% 712,798 $6.8M New
HE Hawaiian Electric Inds 0.78% 619,000 $6.8M Add +869.7%
TPB Turning Point Brands Inc. 0.68% 99,259 $5.9M No change
SIMO Silicon Motion Technol-ADR 0.55% 95,000 $4.8M No change
IBAC Ib Acquisition Corp. 0.53% 450,000 $4.6M No change
FTW Eqv Ventures Acquisition C-A 0.52% 450,000 $4.6M New
DYNC Dynamix Corp. 0.51% 450,000 $4.5M New
ONEN One Nuclear Energy Inc. filed as HENNESSY CAP INVT CORP VII 0.51% 450,000 $4.4M New
QSEAU Quartzsea Acquisition Corp. 0.47% 408,154 $4.1M New
IPEX Inflection Point Acquisition filed as MAYWOOD ACQUISITION CORP 0.43% 379,138 $3.8M New
FG MERGER II CORP 0.43% 392,000 $3.8M New
DMAA Drugs Made in America Acquis 0.40% 350,000 $3.5M New
URG Ur-Energy Inc. 0.39% 5,022,766 $3.4M No change
ANEB Anebulo Pharmaceuticals Inc. 0.38% 2,525,252 $3.3M No change
ZTR Virtus Total Return Fund Inc. 0.38% 548,985 $3.3M Reduce -60.1%
NOEM CO2 Energy Transition Corp. 0.33% 290,000 $2.9M New
GLO Clough Global Opportunities 0.32% 569,645 $2.8M Reduce -57.2%
CPBI Central Plains Bancshares Inc. 0.27% 157,396 $2.3M No change
NECB Northeast Community Bancorp 0.24% 90,867 $2.1M No change
PDLB Ponce Financial Group Inc. 0.24% 163,362 $2.1M No change
CHEB Chenghe Acquisition II Co. 0.23% 199,122 $2.0M Add +0.9%
SRBK Sr Bancorp Inc. 0.23% 164,818 $2.0M No change
WNEB Western New England Bancorp 0.22% 204,891 $1.9M No change
NBBK NB Bancorp Inc. 0.22% 103,743 $1.9M No change
TPL Texas Pacific Land Corp. 0.21% 1,402 $1.9M New
FDSB Fifth District Bancorp Inc. 0.20% 139,405 $1.7M No change
BLFY Blue Foundry Bancorp 0.19% 184,063 $1.7M No change
LRMR Larimar Therapeutics Inc. 0.19% 770,233 $1.7M No change
RKT Rocket Cos Inc. Class A 0.18% 132,266 $1.6M No change
TNDM Tandem Diabetes Care Inc. 0.18% 82,428 $1.6M Add +69.1%
WSC Willscot Holdings Corp. 0.16% 50,378 $1.4M New
AKAM Akamai Technologies Inc. 0.16% 17,391 $1.4M New
FBLA FB Bancorp Inc. 0.15% 117,823 $1.3M No change
WMPN William Penn Bancorp 0.15% 119,274 $1.3M No change
MLM Martin Marietta Materials 0.15% 2,706 $1.3M New
SON Sonoco Products Co. 0.14% 25,097 $1.2M New
VSXY Victoria's Secret & Co. 0.12% 57,045 $1.1M New
GO Grocery Outlet Holding Corp. 0.12% 74,840 $1.0M New
FACT Fact II Acquisition Corp. 0.12% 100,000 $1.0M No change
CRC California Resources Corp. 0.11% 22,382 $984K New
VRN Veren Inc. 0.11% 143,571 $950K New
DFP Flaherty & Crumrine DYN Pref 0.10% 44,089 $892K Reduce -84.7%
BSII Black Spade Acquisition II C 0.10% 86,411 $874K New
UYSCU Uy Scuti Acquisition Corp. 0.10% 85,000 $855K New
SPGI S&P Global Inc. 0.09% 1,622 $824K No change
BMRN Biomarin Pharmaceutical Inc. 0.09% 11,623 $822K New
FTI Technipfmc PLC 0.09% 24,827 $787K New
RRC Range Resources Corp. 0.09% 19,492 $778K New
ENB Enbridge Inc. 0.09% 17,500 $775K New
CNQ Canadian Natural Resources 0.09% 25,025 $771K New
STNE Stoneco Ltd. Class A 0.09% 72,359 $758K New
YMM Full Truck Alliance -SPN ADR 0.09% 59,350 $758K New
TTWO Take-Two Interactive Softwre 0.09% 3,611 $748K New
NVR NVR Inc. 0.09% 102 $739K New
SU Suncor Energy Inc. 0.08% 19,053 $738K New
PR Permian Resources Corp. Class A 0.08% 53,193 $737K New
OVV Ovintiv Inc. 0.08% 17,080 $731K New
PSX Phillips 66 0.08% 5,887 $727K New
APA Apa Corp. 0.08% 32,573 $685K New
MTDR Matador Resources Co. 0.08% 13,180 $673K New
GPOR Gulfport Energy Corp. 0.08% 3,638 $670K New
MGY Magnolia Oil & Gas Corp. Class A 0.08% 26,507 $670K New
GH Guardant Health Inc. 0.08% 15,664 $667K New
LBRT Liberty Energy Inc. 0.08% 42,085 $666K New
TECK Teck Resources Ltd.-CLS B 0.08% 18,150 $661K No change
RCUS Arcus Biosciences Inc. 0.08% 83,997 $659K New
FBK FB Financial Corp. filed as FB FINL CORP 0.08% 14,094 $653K New
GFS Globalfoundries Inc. 0.07% 17,464 $645K New
FUTU Futu Holdings Ltd.-ADR filed as FUTU HLDGS LTD 0.07% 6,187 $633K New
SWKS Skyworks Solutions Inc. 0.07% 9,757 $631K No change
NOG Northern Oil and Gas Inc. 0.07% 20,529 $621K New

Show all 134 holdings

Other holdings (22): bonds, preferreds, convertibles and warrants · $55.6M (not counted above)
SecurityClassShares / PrincipalValueChange
EVENTBRITE INC (EB 0.75 09/15/26) NOTE 0.750% 9/1 · principal 17,000,000$15.5MNo change
MSSWF Metal SKY Star Acq -CW27 *W EXP 03/31/202 793,189$9.8MNo change
CLRWF Climaterock Class A -27 *W EXP 99/99/999 650,000$7.8MNo change
EMCWF Embrace Change Acquisitio-26 *W EXP 10/25/202 625,000$7.5MNo change
AIMWF Aimfinity Investment-CW27 *W EXP 99/99/999 500,026$6.7MNo change
DISTW Distoken Acquisition Corp.-28 *W EXP 11/30/202 525,090$6.0MNo change
ECD AUTOMOTIVE DESIGN INC *W EXP 12/12/202 988,810$498KNo change
EMCRF Embrace Change Acq-Rights RIGHT 10/25/2026 1,625,000$293KNo change
AFJKR Aimei Health Technology Co. L RIGHT 11/17/2028 750,000$270KNo change
GLLRF Global Lights Acquisition Co. RIGHT 99/99/9999 1,024,750$226KNo change
JVSAR Jvspac Acquisition Corp.-RTS RIGHT 11/26/2026 600,000$168KNo change
GBBKR Global Blockchain Acq - RTS RIGHT 05/09/2027 1,497,887$148KNo change
IROHR Iron Horse Acquisitions Righ RIGHT 99/99/9999 412,884$124KNo change
DMAAR Drugs Made in America Ac-RTS RIGHT 12/09/2029 850,000$111KNew
PGACR Pantages Capital Acquis-RT RIGHT 11/15/2029 402,229$101KNew
IPEXR Inflection Point Acquisition RIGHT 99/99/9999 379,138$91KNew
CHARR Charlton Aria Acquisi-Rights RIGHT 12/31/2026 365,000$66KNew
NOEMR CO2 Energy Transition Co.-RTS RIGHT 10/15/2028 289,589$59KReduce -0.1%
AITRR AI Transportation Acquis-RTS RIGHT 09/01/2028 340,251$53KNo change
EURKR Eureka Acquisition Corp.-RTS RIGHT 07/03/2026 218,115$51KNo change
ESHAR Esh Acquisition Corp. - Right RIGHT 06/13/2028 349,659$30KNo change
COLAR Columbus Acquisition Corp. RIGHT 99/99/9999 99,840$16KNew

Total filed on the 13F, all lines: $924.9M.

Portfolio Sells Q4 2024 → Q1 2025

TSEM Tower Semiconductor Ltd. Sold out 0.00% −3.34
SSNC Ss&c Technologies Holdings Sold out 0.00% −3.26
BRSL Brightstar Lottery PLC Sold out 0.00% −3.00
KROS Keros Therapeutics Inc. Sold out 0.00% −1.42
LNTH Lantheus Holdings Inc. Reduce -51.5% 0.95% −0.96
ZTR Virtus Total Return Fund Inc. Reduce -60.1% 0.38% −0.61
DFP Flaherty & Crumrine DYN Pref Reduce -84.7% 0.10% −0.60
GLO Clough Global Opportunities Reduce -57.2% 0.32% −0.51
XFFCX Flaherty & Crumrine Pref Inc. Sold out 0.00% −0.50
CHARU Charlton Aria Acquisition Co. Sold out 0.00% −0.45
AAP Advance Auto Parts Inc. Sold out 0.00% −0.24
ETW Eaton Vance T/M GLBL Buy-WR Sold out 0.00% −0.23
VVV Valvoline Inc. Sold out 0.00% −0.21
PFE Pfizer Inc. Sold out 0.00% −0.14
MAN Manpowergroup Inc. Sold out 0.00% −0.13
CROX Crocs Inc. Sold out 0.00% −0.13
NX Quanex Building Products Sold out 0.00% −0.13
FOXF Fox Factory Holding Corp. Sold out 0.00% −0.13
TER Teradyne Inc. Sold out 0.00% −0.12
ASO Academy Sports & Outdoors Inc. Sold out 0.00% −0.12
TKO Tko Group Holdings Inc. Sold out 0.00% −0.12
ULTA Ulta Beauty Inc. Sold out 0.00% −0.12
FTNT Fortinet Inc. Sold out 0.00% −0.11
MTCH Match Group Inc. Sold out 0.00% −0.11
CCC CCC Intelligent Solutions Ho Sold out 0.00% −0.10
ONON On Holding AG Class A Sold out 0.00% −0.10
KR Kroger Co. Sold out 0.00% −0.10
GILD Gilead Sciences Inc. Sold out 0.00% −0.10
PLNT Planet Fitness Inc. Class A Sold out 0.00% −0.10
CME Cme Group Inc. Sold out 0.00% −0.10
XRAY Dentsply Sirona Inc. Sold out 0.00% −0.10
GL Globe Life Inc. Sold out 0.00% −0.10
SOFI Sofi Technologies Inc. Sold out 0.00% −0.10
QDEL Quidelortho Corp. Sold out 0.00% −0.10
ARQT Arcutis Biotherapeutics Inc. Sold out 0.00% −0.10
PYPL PayPal Holdings Inc. Sold out 0.00% −0.10
MET Metlife Inc. Sold out 0.00% −0.10
BNY Bank of New York Mellon Corp. Sold out 0.00% −0.10
TSCO Tractor Supply Company Sold out 0.00% −0.10
ICE Intercontinental Exchange Inc. Sold out 0.00% −0.10
TD Toronto-Dominion Bank Sold out 0.00% −0.09
UBER Uber Technologies Inc. Sold out 0.00% −0.09
NVS Novartis AG-Sponsored ADR Sold out 0.00% −0.09
REGN Regeneron Pharmaceuticals Sold out 0.00% −0.09
PANW Palo Alto Networks Inc. Sold out 0.00% −0.09
CE Celanese Corp. Sold out 0.00% −0.09
MOS The Mosaic Co. Sold out 0.00% −0.09
TFC Truist Financial Corp. Sold out 0.00% −0.09
AFL Aflac Inc. Sold out 0.00% −0.09
PNC PNC Financial Services Group Sold out 0.00% −0.09

Portfolio Buys Q4 2024 → Q1 2025

RIO Rio Tinto PLC-Spon ADR Add +300.3% 6.90% +5.11
MRP Millrose Properties New 3.63% +3.63
ECVT Ecovyst Inc. New 3.24% +3.24
TIGO Millicom Intl Cellular S.A. Add +294.7% 3.76% +2.92
NWSA News Corp. Class A New 1.66% +1.66
SGI Somnigroup International Inc. Add +61.7% 3.20% +1.21
LBRDK Liberty Broadband-C Add +10.4% 5.47% +0.86
INDV Indivior Ltd. New 0.78% +0.78
HE Hawaiian Electric Inds Add +869.7% 0.78% +0.70
FTW Eqv Ventures Acquisition C-A New 0.52% +0.52
DYNC Dynamix Corp. New 0.51% +0.51
ONEN One Nuclear Energy Inc. New 0.51% +0.51
QSEAU Quartzsea Acquisition Corp. New 0.47% +0.47
IPEX Inflection Point Acquisition New 0.43% +0.43
FG MERGER II CORP New 0.43% +0.43
DMAA Drugs Made in America Acquis New 0.40% +0.40
NOEM CO2 Energy Transition Corp. New 0.33% +0.33
TPL Texas Pacific Land Corp. New 0.21% +0.21
AKAM Akamai Technologies Inc. New 0.16% +0.16
WSC Willscot Holdings Corp. New 0.16% +0.16
MLM Martin Marietta Materials New 0.15% +0.15
SON Sonoco Products Co. New 0.14% +0.14
VSXY Victoria's Secret & Co. New 0.12% +0.12
GO Grocery Outlet Holding Corp. New 0.12% +0.12
CRC California Resources Corp. New 0.11% +0.11
VRN Veren Inc. New 0.11% +0.11
BSII Black Spade Acquisition II C New 0.10% +0.10
UYSCU Uy Scuti Acquisition Corp. New 0.10% +0.10
BMRN Biomarin Pharmaceutical Inc. New 0.09% +0.09
FTI Technipfmc PLC New 0.09% +0.09
RRC Range Resources Corp. New 0.09% +0.09
ENB Enbridge Inc. New 0.09% +0.09
CNQ Canadian Natural Resources New 0.09% +0.09
YMM Full Truck Alliance -SPN ADR New 0.09% +0.09
STNE Stoneco Ltd. Class A New 0.09% +0.09
TTWO Take-Two Interactive Softwre New 0.09% +0.09
NVR NVR Inc. New 0.09% +0.09
SU Suncor Energy Inc. New 0.08% +0.08
PR Permian Resources Corp. Class A New 0.08% +0.08
OVV Ovintiv Inc. New 0.08% +0.08
PSX Phillips 66 New 0.08% +0.08
APA Apa Corp. New 0.08% +0.08
MTDR Matador Resources Co. New 0.08% +0.08
GPOR Gulfport Energy Corp. New 0.08% +0.08
MGY Magnolia Oil & Gas Corp. Class A New 0.08% +0.08
GH Guardant Health Inc. New 0.08% +0.08
LBRT Liberty Energy Inc. New 0.08% +0.08
RCUS Arcus Biosciences Inc. New 0.08% +0.08
FBK FB Financial Corp. New 0.08% +0.08
GFS Globalfoundries Inc. New 0.07% +0.07

Notes & Other Activity Q4 2024 → Q1 2025

RFACW RF Acquisition Corp.-CW27 *W EXP 05/01/202 Sold out 950,100 $10.9Mbefore exit
GLSTW Global Star Acquisition-27 A *W EXP 07/15/202 Sold out 896,704 $10.8Mbefore exit
TETWF Technology & Telecommuni -27 *W EXP 04/15/202 Sold out 482,590 $5.9Mbefore exit
OAKUW Oak Woods Acquisition -28 *W EXP 99/99/999 Sold out 150,042 $1.7Mbefore exit
RFACR RF Acquisition Corp.- Rights RIGHT 05/01/2028 Sold out 1,950,100 $305Kbefore exit
GODNR Golden Star Acquisitio-Right RIGHT 03/30/2025 Sold out 878,916 $290Kbefore exit
GLSTR Global Star Acquisition-RTS RIGHT 99/99/9999 Sold out 1,896,704 $284Kbefore exit
HUDAR Hudson Acquisition I Corp.-RT RIGHT 99/99/9999 Sold out 981,947 $216Kbefore exit
MARXR Mars Acquisition Corp.-Rights RIGHT 99/99/9999 Sold out 472,405 $180Kbefore exit
CLRRF Climaterock -RTS RIGHT 10/31/2028 Sold out 1,800,000 $125Kbefore exit
DMAAR Drugs Made in America Ac-RTS RIGHT 12/09/2029 New 850,000 $111K
PGACR Pantages Capital Acquis-RT RIGHT 11/15/2029 New 402,229 $101K
IPEXR Inflection Point Acquisition RIGHT 99/99/9999 New 379,138 $91K
OAKUR Oak Woods Acquisition Cor-RT RIGHT 03/23/2028 Sold out 364,670 $82Kbefore exit
CHARR Charlton Aria Acquisi-Rights RIGHT 12/31/2026 New 365,000 $66K
NOEMR CO2 Energy Transition Co.-RTS RIGHT 10/15/2028 Reduce -0.1% 289,589 $59K
COLAR Columbus Acquisition Corp. RIGHT 99/99/9999 New 99,840 $16K
SVUWF Srivaru Holding Ltd.-28 *W EXP 12/08/202 Sold out 298,730 $252before exit

Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 398$1.5BINDV, VISN, ATMU, FLYW, TIGO
Q1 2026 403$1.2BINDV, ATMU, ETH, REX, PCG
Q4 2025 356$1.2BINDV, RIO, ATMU, TEVA, ECVT
Q3 2025 160$1.2BINDV, RIO, ATMU, ENVA, SGI
Q2 2025 139$915.0MRIO, WDC, ENVA, LAUR, TIGO
Q1 2025 134$869.3MRIO, LBRDK, LLYVK, ATMU, ENVA
Q4 2024 126$820.5MLLYVK, ATMU, TEVA, ENVA, LBRDK
Q3 2024 116$1.0BATMU, MBC, LBRDK, TEVA, ENVA
Q2 2024 81$1.1BJXN, AER, TEVA, ACI, X
Q1 2024 82$1.2BMBC, AER, ACI, JXN, X