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GRIZZLYROCK CAPITAL, LLC

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13F filer, CIK 2011732, CHICAGO, IL

GRIZZLYROCK CAPITAL, LLC reported $126,300,061 across 18 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15. Its ten largest share positions make up 87.46% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001214659-26-006454

Period
2026-03-31
Reported value
$126M
Holdings
18
Top 10 weight
87.46%
New
3
Sold out
7

Largest buys vs the previous quarter

SecurityShares changeApprox. value
REAXnew+3,624,314$9.06M
OLNadded+277,094$8.24M
DRVNadded+650,239$8.2M
MGNIadded+666,774$7.92M
AMNadded+169,493$3.11M

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
GELreduced-557,846-$9.95M
DARexited-223,000-$8.03M
ROGexited-65,794-$6.02M
MATWexited-173,075-$4.52M
PRGOexited-281,745-$3.92M

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, Q1 2026

Share positions as resolved from 13F-HR 0001214659-26-006454, largest first. % of portfolio is the value over $126,300,061, 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; 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; 2026Q1: 3,628,840 shares 3,628,840$15M11.84%-446,902Timeline
DRVNDRIVEN BRANDS HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q1: 1,170,927 shares 1,170,927$14.8M11.69%+650,239Timeline
MGNIMAGNITE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q1: 1,238,680 shares 1,238,680$14.7M11.65%+666,774Timeline
AMNAMN HEALTHCARE SVCS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q1: 725,019 shares 725,019$13.3M10.53%+169,493Timeline
OLNOLIN CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 303,000 shares; 2025Q4: 168,000 shares; 2026Q1: 445,094 shares 445,094$13.2M10.48%+277,094Timeline
EEFTEURONET WORLDWIDE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 20,100 shares; 2025Q4: 126,315 shares; 2026Q1: 166,815 shares 166,815$11.1M8.77%+40,500Timeline
REAXTHE REAL BROKERAGE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 3,624,314 shares 3,624,314$9.06M7.17%newTimeline
AMTMAMENTUM HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 164,226 shares; 2025Q2: 253,363 shares; 2025Q3: 283,113 shares; 2025Q4: 285,113 shares; 2026Q1: 289,113 shares 289,113$7.54M5.97%+4,000Timeline
XPOFXPONENTIAL FITNESS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 974,184 shares; 2026Q1: 994,580 shares 994,580$5.99M4.74%+20,396Timeline
RYZRYERSON HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 293,096 shares; 2025Q4: 274,596 shares; 2026Q1: 260,007 shares 260,007$5.84M4.63%-14,589Timeline
JBIJANUS INTERNATIONAL GROUP INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 278,760 shares; 2026Q1: 626,983 shares 626,983$3.23M2.56%+348,223Timeline
GLNGGOLAR LNG LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 35,000 shares; 2026Q1: 58,000 shares 58,000$3.14M2.48%+23,000Timeline
ACVAACV AUCTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 618,505 shares; 2025Q4: 839,258 shares; 2026Q1: 731,289 shares 731,289$3.1M2.45%-107,969Timeline
LFCRLIFECORE BIOMEDICAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 734,533 shares; 2025Q3: 738,882 shares; 2025Q4: 743,241 shares; 2026Q1: 827,488 shares 827,488$3.08M2.44%+84,247Timeline
GELGENESIS ENERGY L PQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 637,279 shares; 2025Q2: 630,346 shares; 2025Q3: 630,346 shares; 2025Q4: 630,346 shares; 2026Q1: 72,500 shares 72,500$1.29M1.02%-557,846Timeline
AIOTPOWERFLEET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 401,422 shares 401,422$1.24M0.98%newTimeline
EFXTENERFLEX LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 151,425 shares; 2024Q4: 10,000 shares; 2025Q1: 24,000 shares; 2025Q2: 24,000 shares; 2025Q3: 24,000 shares; 2025Q4: not reported; 2026Q1: 24,000 shares 24,000$502K0.4%newTimeline
OECORION S.A.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 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; 2026Q1: 39,500 shares 39,500$257K0.2%-141,762Timeline

Sold out in Q1 2026

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

SecurityShares beforeValue beforeType
DARDARLING INGREDIENTS INC223,000$8.03Mshares
ROGROGERS CORP65,794$6.02Mshares
MATWMATTHEWS INTL CORP173,075$4.52Mshares
PRGOPERRIGO CO PLC281,745$3.92Mshares
TDWTIDEWATER INC NEW37,115$1.87Mshares
NXQUANEX BLDG PRODS CORP75,358$1.16Mshares
MOHMOLINA HEALTHCARE INC2,000$347Kshares

How Q1 2026 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 0001214659-26-006454 base2026-05-15acceptance time not in the bulk data set