WhaleCreep

Mangrove Partners IM, LLC 13F holdings, Q3 2025

Holdings as of September 30, 2025 · filings on SEC EDGAR · latest filing →

Mangrove Partners IM, LLC disclosed 178 US equity positions worth $1.4bn in its Q3 2025 13F filing. The largest position was ECD AUTOMOTIVE DESIGN INC at 11.1% of the reported book, followed by INDIVIOR PLC and RIO. Against the Q2 2025 filing, it opened 19 new positions, added to 19 and reduced 5 among the top 50 holdings.

← Q2 2025 · Q4 2025 →

What did Mangrove Partners IM, LLC own in Q3 2025? Top 50 positions

#StockSectorWeightValueSharesΔ sharesvs Q2 2025
1 ECD AUTOMOTIVE DESIGN INC 11.1%$150.8m978,989 -1% reduced
2 INDIVIOR PLC 4.9%$66.1m2,742,434 21% added
3 RIO RIO TINTO PLC Basic Materials 4.9%$65.9m998,661 0% held
4 ATMU ATMUS FILTRATION TECHNOLOGIE Consumer Cyclical 4.4%$60.0m1,330,553 21% added
5 ENVA ENOVA INTL INC Financial Services 4.2%$57.2m496,967 20% added
6 SGI SOMNIGROUP INTERNATIONAL INC Consumer Cyclical 3.6%$48.6m575,915 21% added
7 MRP MILLROSE PPTYS INC Real Estate 3.6%$48.5m1,441,908 21% added
8 ECVT ECOVYST INC Basic Materials 3.5%$48.0m5,474,057 21% added
9 TEVA TEVA PHARMACEUTICAL INDS LTD Healthcare 3.5%$47.2m2,338,237 21% added
10 OTEX OPEN TEXT CORP Technology 2.9%$39.3m1,052,161 -5% reduced
11 FLYW FLYWIRE CORPORATION Technology 2.9%$39.3m2,901,693 – new
12 PCG PG&E CORP Utilities 2.9%$39.2m2,596,895 – new
13 LAUR LAUREATE EDUCATION INC Consumer Defensive 2.8%$37.3m1,181,479 -39% reduced
14 NWSA NEWS CORP NEW Communication Services 2.7%$36.6m1,191,858 125% added
15 BIO BIO RAD LABS INC Healthcare 2.6%$35.6m126,853 – new
16 ELME ELME COMMUNITIES Real Estate 2.5%$34.5m2,045,358 – new
17 PTGX PROTAGONIST THERAPEUTICS INC Healthcare 2.3%$31.8m478,413 21% added
18 BILL BILL HOLDINGS INC Technology 2.3%$31.1m588,014 – new
19 RZLT REZOLUTE INC 2.0%$27.1m2,882,149 25% added
20 CGON CG ONCOLOGY INC Healthcare 2.0%$27.1m671,692 21% added
21 TPB TURNING PT BRANDS INC Consumer Defensive 1.9%$25.8m260,991 163% added
22 CODI COMPASS DIVERSIFIED 1.8%$24.4m3,684,800 49% added
23 IBIT ISHARES BITCOIN TRUST ETF 1.4%$18.9m290,122 – new
24 REX REX AMERICAN RES CORP Basic Materials 1.2%$16.1m526,552 – new
25 MREO MEREO BIOPHARMA GROUP PLC Healthcare 1.2%$16.0m7,790,580 -10% reduced
26 CIG CIA ENERGETICA DE MINAS GERA Utilities 0.7%$9.7m4,600,000 0% held
27 AXIOM INTELLIGENCE AC CORP 1 0.7%$9.0m900,000 – new
28 ANEB ANEBULO PHARMACEUTICALS INC 0.5%$6.3m2,525,252 0% held
29 CENTA CENTRAL GARDEN & PET CO Consumer Defensive 0.4%$5.3m178,712 -64% reduced
30 CHAMPIONSGATE ACQUISITION CO 0.4%$5.0m491,641 387% added
31 LIGHTWAVE ACQUISITION CORP 0.4%$4.8m486,900 – new
32 IB ACQUISITION CORP 0.3%$4.7m450,000 0% held
33 VOYAGER ACQUISITION CORP 0.3%$4.7m450,000 5% added
34 D. BORAL ARC ACQ I CORP. 0.3%$4.7m475,000 – new
35 EQV VENTURES ACQUISITION COR 0.3%$4.7m450,000 – new
36 FACT II ACQUISITION CORP 0.3%$4.6m450,000 165% added
37 K&F GROWTH ACQUISITION CORP 0.3%$4.6m450,000 135% added
38 HENNESSY CAP INVT CORP VII 0.3%$4.6m450,000 0% held
39 ARTIUS II ACQUISITION INC 0.3%$4.6m450,000 – new
40 GSR IV ACQUISITION CORP 0.3%$4.6m450,000 – new
41 COPLEY ACQUISITION CORP 0.3%$4.5m450,000 0% held
42 DUNE ACQUISITION CORP II 0.3%$4.5m450,000 75% added
43 SIZZLE ACQUISITION CORP. II 0.3%$4.5m450,000 417% added
44 CARTESIAN GROWTH CORP III 0.3%$4.5m450,000 0% held
45 THAYER VENTURES ACQ CORP II 0.3%$4.5m450,000 – new
46 OYSTER ENTERPRISES II ACQUIS 0.3%$4.5m450,000 – new
47 INDIGO ACQUISITION CORP 0.3%$4.5m450,000 – new
48 SILVER PEGASUS ACQUISITION C 0.3%$4.5m450,000 – new
49 PIONEER ACQUISITION I CORP 0.3%$4.5m450,000 – new
50 VENDOME ACQUISITION CORP I 0.3%$4.5m450,000 – new

Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.