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GRIZZLYROCK CAPITAL, LLC

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13F filer, CIK 2011732, CHICAGO, IL

GRIZZLYROCK CAPITAL, LLC reported $133,575,676 across 22 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-17. Its ten largest share positions make up 71.37% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001214659-26-001965

Period
2025-12-31
Reported value
$134M
Holdings
22
Top 10 weight
71.37%
New
5
Sold out
6

Largest buys vs the previous quarter

SecurityShares changeApprox. value
EEFTadded+106,215$8.08M
XPOFnew+974,184$8.02M
MGNIadded+181,000$2.94M
JBInew+278,760$1.82M
ACVAadded+220,753$1.77M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
TDWreduced-94,075-$4.75M
OLNreduced-135,000-$2.81M
GRFSexited-208,000-$2.07M
DARreduced-40,700-$1.47M
DRVNreduced-90,610-$1.34M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0001214659-26-001965, largest first. % of portfolio is the value over $133,575,676, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
GSMFERROGLOBE PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,143,908 shares; 2024Q4: 4,353,272 shares; 2025Q1: 4,353,272 shares; 2025Q2: 4,540,272 shares; 2025Q3: 4,153,545 shares; 2025Q4: 4,075,742 shares 4,075,742$18.9M14.16%-77,803Timeline
GELGENESIS ENERGY L PQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 637,279 shares; 2025Q2: 630,346 shares; 2025Q3: 630,346 shares; 2025Q4: 630,346 shares 630,346$9.83M7.36%0Timeline
EEFTEURONET WORLDWIDE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 20,100 shares; 2025Q4: 126,315 shares 126,315$9.61M7.2%+106,215Timeline
MGNIMAGNITE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 868,171 shares; 2024Q4: 863,541 shares; 2025Q1: 898,541 shares; 2025Q2: 974,323 shares; 2025Q3: 390,906 shares; 2025Q4: 571,906 shares 571,906$9.28M6.95%+181,000Timeline
AMNAMN HEALTHCARE SVCS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 66,900 shares; 2025Q1: 102,936 shares; 2025Q2: 285,218 shares; 2025Q3: 537,526 shares; 2025Q4: 555,526 shares 555,526$8.76M6.55%+18,000Timeline
AMTMAMENTUM HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 164,226 shares; 2025Q2: 253,363 shares; 2025Q3: 283,113 shares; 2025Q4: 285,113 shares 285,113$8.27M6.19%+2,000Timeline
DARDARLING INGREDIENTS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 203,500 shares; 2025Q2: 262,700 shares; 2025Q3: 263,700 shares; 2025Q4: 223,000 shares 223,000$8.03M6.01%-40,700Timeline
XPOFXPONENTIAL FITNESS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 974,184 shares 974,184$8.02M6%newTimeline
DRVNDRIVEN BRANDS HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 875,291 shares; 2024Q4: 875,291 shares; 2025Q1: 855,291 shares; 2025Q2: 677,631 shares; 2025Q3: 611,298 shares; 2025Q4: 520,688 shares 520,688$7.72M5.78%-90,610Timeline
RYZRYERSON HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 293,096 shares; 2025Q4: 274,596 shares 274,596$6.91M5.17%-18,500Timeline
ACVAACV AUCTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 618,505 shares; 2025Q4: 839,258 shares 839,258$6.73M5.04%+220,753Timeline
LFCRLIFECORE BIOMEDICAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 734,533 shares; 2025Q3: 738,882 shares; 2025Q4: 743,241 shares 743,241$6.08M4.55%+4,359Timeline
ROGROGERS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 21,500 shares; 2025Q3: 65,794 shares; 2025Q4: 65,794 shares 65,794$6.02M4.51%0Timeline
MATWMATTHEWS INTL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 105,325 shares; 2025Q3: 133,075 shares; 2025Q4: 173,075 shares 173,075$4.52M3.38%+40,000Timeline
PRGOPERRIGO CO PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 285,100 shares; 2024Q4: 285,100 shares; 2025Q1: 287,995 shares; 2025Q2: 301,745 shares; 2025Q3: 301,745 shares; 2025Q4: 281,745 shares 281,745$3.92M2.94%-20,000Timeline
OLNOLIN CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 303,000 shares; 2025Q4: 168,000 shares 168,000$3.5M2.62%-135,000Timeline
TDWTIDEWATER INC NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 26,600 shares; 2025Q1: 126,290 shares; 2025Q2: 134,190 shares; 2025Q3: 131,190 shares; 2025Q4: 37,115 shares 37,115$1.87M1.4%-94,075Timeline
JBIJANUS INTERNATIONAL GROUP INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 278,760 shares 278,760$1.82M1.36%newTimeline
GLNGGOLAR LNG LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 35,000 shares 35,000$1.3M0.97%newTimeline
NXQUANEX BLDG PRODS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 75,358 shares 75,358$1.16M0.87%newTimeline
OECORION S.A.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 296,320 shares; 2024Q4: 296,320 shares; 2025Q1: 193,780 shares; 2025Q2: 206,280 shares; 2025Q3: 206,280 shares; 2025Q4: 181,262 shares 181,262$957K0.72%-25,018Timeline
MOHMOLINA HEALTHCARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 2,000 shares 2,000$347K0.26%newTimeline

Sold out in Q4 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
GRFSGRIFOLS S A208,000$2.07Mshares
XPERXPERI INC159,300$1.03Mshares
INTEGRAL AD SCIENCE HLDNG COINTEGRAL AD SCIENCE HLDNG CO61,250$623Kshares
EFXTENERFLEX LTD24,000$259Kshares
OPALOPAL FUELS INC81,500$179Kshares
HOSHORNBECK OFFSHORE SERVICES I10,000$65.6Kshares

How Q4 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001214659-26-001965 base2026-02-17acceptance time not in the bulk data set