Mangrove Partners Im, LLC 13F holdings
Mangrove Partners Im, LLC reported 403 positions with a total reported value of $1.5B as of 2026-06-30, in its 13F for Q2 2026, filed 2026-08-14. Top holdings by reported value: INDV INDIVIOR PHARMACEUTICALS INC (7.2%), VISN VISTANCE NETWORKS INC (6.0%), ATMU ATMUS FILTRATION TECHNOLOGIE (4.1%), FLYW FLYWIRE CORPORATION (3.4%), TIGO MILLICOM INTL CELLULAR S A (3.3%). Against 2026-03-31 it opened 191 new positions and exited 196. Next 13F due by 2026-11-14, the legal deadline 45 days after the quarter ending 2026-09-30.
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Top holdings
25 largest of 403 positions · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| INDV INDIVIOR PHARMACEUTICALS INC | 2,676,730 | $109.8M | 7.2% |
| VISN VISTANCE NETWORKS INC | 7,158,439 | $91.5M | 6.0% |
| ATMU ATMUS FILTRATION TECHNOLOGIE | 1,211,236 | $61.8M | 4.1% |
| FLYW FLYWIRE CORPORATION | 2,984,076 | $52.4M | 3.4% |
| TIGO MILLICOM INTL CELLULAR S A | 556,485 | $50.5M | 3.3% |
| REX REX AMERICAN RES CORP | 1,015,234 | $45.8M | 3.0% |
| KDP KEURIG DR PEPPER INC | 1,364,682 | $44.7M | 2.9% |
| MILLROSE PPTYS INC | 1,380,992 | $41.5M | 2.7% |
| ACHC ACADIA HEALTHCARE COMPANY IN | 1,396,059 | $41.2M | 2.7% |
| PCG PG&E CORP | 2,413,615 | $40.6M | 2.7% |
| UNP UNION PAC CORP | 148,098 | $40.3M | 2.6% |
| OKE ONEOK INC NEW | 461,743 | $40.1M | 2.6% |
| CODI COMPASS DIVERSIFIED | 3,684,800 | $39.3M | 2.6% |
| APTV APTIV PLC | 613,392 | $37.7M | 2.5% |
| GPC GENUINE PARTS CO | 316,771 | $37.4M | 2.5% |
| BIO BIO RAD LABS INC | 127,191 | $37.3M | 2.5% |
| OTEX OPEN TEXT CORP | 1,637,946 | $36.3M | 2.4% |
| ETH GRAYSCALE ETHEREUM STAKING | 2,232,656 | $33.6M | 2.2% |
| BELFA BEL FUSE INC | 104,706 | $30.5M | 2.0% |
| BILL BILL HOLDINGS INC | 838,994 | $30.3M | 2.0% |
| NWSA NEWS CORP NEW | 1,191,858 | $29.6M | 1.9% |
| ISHARES TR | 92,192 | $27.7M | 1.8% |
| FIS FIDELITY NATL INFORMATION SV | 657,673 | $25.6M | 1.7% |
| APARTMENT INVT & MGMT CO | 4,459,396 | $13.2M | 0.9% |
| CTAA CLEARTHINK 1 ACQUISITION COR | 1,055,000 | $10.6M | 0.7% |
SEC FORM 13F · Q2 2026 · VALUES AS REPORTED, NOT PRICES
New positions this quarter
Held at 2026-06-30, not at 2026-03-31 · 191 in all · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| ACHC ACADIA HEALTHCARE COMPANY IN | 1,396,059 | $41.2M | 2.7% |
| ISHARES TR | 92,192 | $27.7M | 1.8% |
| APARTMENT INVT & MGMT CO | 4,459,396 | $13.2M | 0.9% |
| DGAC DISCIPLINED GROWTH | 749,995 | $7.5M | 0.5% |
| QLEP QUANTUM LEAP ACQUISITION COR | 750,000 | $7.4M | 0.5% |
| GEF GREIF INC | 97,567 | $7.3M | 0.5% |
| ARCL ARC GROUP ACQUISITION I CORP | 575,000 | $5.9M | 0.4% |
| BREZ BREEZE ACQUISITION CORP II | 1,150,000 | $5.8M | 0.4% |
| VECA VERNAL CAP ACQUISITION CORP | 490,000 | $5.2M | 0.3% |
| OTAI STARLINK AI ACQUISITION CORP | 499,990 | $5.1M | 0.3% |
| COLLECTIVE ACQUISITION CORP | 449,995 | $4.7M | 0.3% |
| PLUN PLUTONIAN ACQUISITION CORP I | 450,000 | $4.6M | 0.3% |
| MYX MAYWOOD ACQUISITION CORP 2 | 450,000 | $4.5M | 0.3% |
| ATLQ JAB ACQUISITION CORP I | 450,000 | $4.5M | 0.3% |
| IACO IDEA ACQUISITION CORP | 450,000 | $4.5M | 0.3% |
| APUR APERTURE AC | 850,000 | $4.3M | 0.3% |
| SAGU SHREYA ACQUISITION GROUP | 400,000 | $4.1M | 0.3% |
| WENC WEST ENCLAVE MERGER CORP | 375,000 | $3.8M | 0.2% |
| AAUC ALLIED GOLD CORP | 138,757 | $3.3M | 0.2% |
| FULTON FINL CORP PA | 129,128 | $3.1M | 0.2% |
| CZR CAESARS ENTERTAINMENT INC NE | 101,729 | $3.1M | 0.2% |
| JANUS HENDERSON GROUP PLC | 58,016 | $3.0M | 0.2% |
| MCAH MOUNTAIN CREST ACQUISITION 6 | 294,882 | $3.0M | 0.2% |
| IMXI INTERNATIONAL MONEY EXPRESS | 196,206 | $2.8M | 0.2% |
| OCAC OCEAN CAP ACQUISITION CORP | 250,000 | $2.6M | 0.2% |
Sold out
Held at 2026-03-31, gone by 2026-06-30 · 196 in all · reported value as of 2026-03-31
| Holding | Shares 2026-03-31 | Reported value | % of portfolio then |
|---|---|---|---|
| TRIP TRIPADVISOR INC | 968,658 | $10.3M | 0.8% |
| BSOL BITWISE SOLANA STAKING ETF | 766,605 | $8.5M | 0.7% |
| VOYAGER ACQUISITION CORP | 450,000 | $5.4M | 0.4% |
| DUNE ACQUISITION CORP II | 449,995 | $4.6M | 0.4% |
| FACT FACT II ACQUISITION CORP | 438,966 | $4.6M | 0.4% |
| A PARADISE ACQUISITION CORP | 450,000 | $4.6M | 0.4% |
| AES AES CORP | 248,580 | $3.5M | 0.3% |
| TXNM TXNM ENERGY INC | 59,911 | $3.5M | 0.3% |
| BLUE FOUNDRY BANCORP | 198,659 | $2.6M | 0.2% |
| CLEARWATER ANALYTICS HLDGS I | 85,022 | $2.0M | 0.2% |
| OZK BANK OZK LITTLE ROCK ARK | 42,364 | $1.9M | 0.2% |
| VEECO INSTRS INC DEL | 56,213 | $1.9M | 0.2% |
| COTERRA ENERGY INC | 51,666 | $1.8M | 0.1% |
| AXTA AXALTA COATING SYS LTD | 55,533 | $1.5M | 0.1% |
| HAE HAEMONETICS CORP MASS | 21,371 | $1.2M | <0.1% |
| AMERICAN WOODMARK CORP | 28,766 | $1.1M | <0.1% |
| DYCOM INDS INC | 2,796 | $947.3K | <0.1% |
| PAHC PHIBRO ANIMAL HEALTH CORP | 16,660 | $921.5K | <0.1% |
| HBNC HORIZON BANCORP IND | 52,556 | $870.9K | <0.1% |
| CVB FINL CORP | 44,212 | $857.3K | <0.1% |
| CBU COMMUNITY FINANCIAL SYSTEM I | 14,436 | $846.7K | <0.1% |
| WERN WERNER ENTERPRISES INC | 28,295 | $832.2K | <0.1% |
| SIG SIGNET JEWELERS LIMITED | 9,299 | $787.1K | <0.1% |
| ONB OLD NATL BANCORP IND | 35,215 | $778.3K | <0.1% |
| WAL WESTERN ALLIANCE BANCORP | 10,792 | $764.6K | <0.1% |
Biggest increases and decreases
Positions held at both quarter ends, by change in shares · reported value as of 2026-06-30
Increases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| VISN VISTANCE NETWORKS INC | 11,942 | 7,158,439 | +59,843.4% | $91.5M |
| APTV APTIV PLC | 30,300 | 613,392 | +1,924.4% | $37.7M |
| BELFA BEL FUSE INC | 1,276 | 104,706 | +8,105.8% | $30.5M |
| OTEX OPEN TEXT CORP | 993,199 | 1,637,946 | +64.9% | $36.3M |
| CTAA CLEARTHINK 1 ACQUISITION COR | 605,000 | 1,055,000 | +74.4% | $10.6M |
| PONO PONO CAP FOUR INC | 450,000 | 900,000 | +100.0% | $4.6M |
| SUMA SUMA ACQUISITION CORP | 450,000 | 900,000 | +100.0% | $4.6M |
| XFLH XFLH CAP CORP | 450,000 | 900,000 | +100.0% | $4.5M |
| FMAC FUTURE MONEY ACQUISITION COR | 350,000 | 405,259 | +15.8% | $4.1M |
| BURKE HERBERT FINL SVCS CORP | 3,692 | 11,034 | +198.9% | $792.9K |
| ARDT ARDENT HEALTH INC | 29,242 | 81,911 | +180.1% | $806.0K |
| ADT ADT INC DEL | 32,217 | 102,764 | +219.0% | $668.0K |
Decreases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| ENOVA INTL INC | 286,543 | 1,147 | -99.6% | $276.1K |
| ETH GRAYSCALE ETHEREUM STAKING | 3,552,685 | 2,232,656 | -37.2% | $33.6M |
| ATMU ATMUS FILTRATION TECHNOLOGIE | 1,315,227 | 1,211,236 | -7.9% | $61.8M |
| AXIN AXIOM INTELLIGENCE AC CORP 1 | 900,000 | 459,340 | -49.0% | $4.7M |
| INDV INDIVIOR PHARMACEUTICALS INC | 2,742,434 | 2,676,730 | -2.4% | $109.8M |
| LFST LIFESTANCE HEALTH GROUP INC | 187,710 | 66,466 | -64.6% | $711.9K |
| SSAC SPACSPHERE ACQUISITION CORP | 1,125,000 | 900,000 | -20.0% | $4.6M |
| ECPG ENCORE CAP GROUP INC | 12,732 | 2,364 | -81.4% | $220.5K |
| AHCO ADAPTHEALTH CORP | 164,961 | 73,219 | -55.6% | $762.9K |
| IRHO IRON HORSE ACQUISIT II CORP | 900,000 | 750,987 | -16.6% | $4.6M |
| DAVE DAVE INC | 3,216 | 950 | -70.5% | $354.0K |
| SSB SOUTHSTATE BK CORP | 12,505 | 4,457 | -64.4% | $445.3K |
CIK 1535392 · 13F FILINGS ON EDGAR · INFORMATIONAL ONLY
