Grizzlyrock Capital, LLC

In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 14, 2024), Grizzlyrock Capital, LLC reported 18 stock positions worth $116.0 million. Its top holding was Ferroglobe (GSM) at 16.6% of the portfolio, followed by Driven Brands (DRVN, 10.8%) and Magnite (MGNI, 10.4%). Compared with Q2 2024, it opened 2 new positions, sold out of 3, added to 9 and reduced 6. The biggest buy was Xperi (XPER, shares +233%) and the biggest sale an exit from Cogent Communications Holdin (CCOI).

Most Recent 13F
Q2 2026
Location
CHICAGO, IL
CIK
0002011732
Portfolio Value
$116.0M (Q3 2024)
SEC Filing
0001214659-24-019129 ↗ filed Nov 14, 2024

Holdings Value

0$50.0M$100.0M$150.0M Q1 2024: $121.9M Q1 2024 Q2 2024: $120.3M Q2 2024 Q3 2024: $116.0M $116.0M Q3 2024 Q4 2024: $95.8M Q4 2024 Q1 2025: $110.3M Q1 2025 Q2 2025: $133.0M Q2 2025 Q3 2025: $128.8M Q3 2025 Q4 2025: $133.6M Q4 2025 Q1 2026: $126.3M Q1 2026 Q2 2026: $143.0M Q2 2026

Holdings 18 stocks · $116.0M

GSM Ferroglobe PLC 16.58% 4,143,908 $19.2M Add +20.8%
DRVN Driven Brands Holdings Inc. 10.77% 875,291 $12.5M Reduce -1.7%
MGNI Magnite Inc. 10.37% 868,171 $12.0M Add +8.1%
CASH Pathward Financial Inc. 7.28% 127,953 $8.4M Reduce -31.4%
PRGO Perrigo Co. PLC 6.45% 285,100 $7.5M Add +14.7%
XPER Xperi Inc. 6.19% 776,727 $7.2M Add +233.4%
CLMT Calumet Inc. 5.72% 372,431 $6.6M Reduce -30.7%
AMBP Ardagh Metal Packaging SA 5.34% 1,642,659 $6.2M Reduce -0.8%
GPRE Green Plains Inc. 5.16% 441,982 $6.0M Add +0.1%
OPAL Opal Fuels Inc. Class A 4.65% 1,476,667 $5.4M Add +32.7%
OEC Orion SA 4.55% 296,320 $5.3M Reduce -5.6%
CZR Caesars Entertainment Inc. 4.44% 123,330 $5.1M Add +21.1%
HDSN Hudson Technologies Inc. 3.62% 503,595 $4.2M New
ECVT Ecovyst Inc. 2.84% 480,630 $3.3M Add +1.1%
EVRI Everi Holdings Inc. 2.27% 200,000 $2.6M Reduce -69.7%
SWI Solarwinds Corp. 1.56% 138,329 $1.8M Add +41.9%
MX Magnachip Semiconductor Corp. 1.42% 353,319 $1.6M No change
EFXT Enerflex Ltd. 0.78% 151,425 $902K New

Portfolio Sells Q2 2024 → Q3 2024

CCOI Cogent Communications Holdin Sold out 0.00% −4.65
GPGI Gpgi Inc. Sold out 0.00% −2.63
TWKS Thoughtworks Holding Inc. Sold out 0.00% −2.39
EVRI Everi Holdings Inc. Reduce -69.7% 2.27% −2.34
CASH Pathward Financial Inc. Reduce -31.4% 7.28% −1.48
CLMT Calumet Inc. Reduce -30.7% 5.72% −1.45
OEC Orion SA Reduce -5.6% 4.55% −1.17
AMBP Ardagh Metal Packaging SA Reduce -0.8% 5.34% +0.66
DRVN Driven Brands Holdings Inc. Reduce -1.7% 10.77% +1.35

Portfolio Buys Q2 2024 → Q3 2024

XPER Xperi Inc. Add +233.4% 6.19% +4.60
HDSN Hudson Technologies Inc. New 3.62% +3.62
MGNI Magnite Inc. Add +8.1% 10.37% +1.50
GSM Ferroglobe PLC Add +20.8% 16.58% +1.30
PRGO Perrigo Co. PLC Add +14.7% 6.45% +1.14
CZR Caesars Entertainment Inc. Add +21.1% 4.44% +1.08
OPAL Opal Fuels Inc. Class A Add +32.7% 4.65% +0.86
EFXT Enerflex Ltd. New 0.78% +0.78
SWI Solarwinds Corp. Add +41.9% 1.56% +0.58
GPRE Green Plains Inc. Add +0.1% 5.16% −0.66
ECVT Ecovyst Inc. Add +1.1% 2.84% −0.71

Options Activity Q2 2024 → Q3 2024

GPRE Green Plains Inc. call Sold out 10,000 $159Kbefore exit

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 20$143.0MMGNI, EEFT, AMN, GSM, REAL BROKERAGE INC/THE
Q1 2026 18$126.3MGSM, DRVN, MGNI, AMN, OLN
Q4 2025 22$133.6MGSM, GEL, EEFT, MGNI, AMN
Q3 2025 23$128.8MGSM, GEL, AMN, DRVN, MGNI
Q2 2025 21$133.0MMGNI, GSM, DRVN, GEL, DAR
Q1 2025 21$110.3MGSM, DRVN, MGNI, GEL, PRGO
Q4 2024 17$95.8MGSM, DRVN, MGNI, XPER, PRGO
Q3 2024 18$116.0MGSM, DRVN, MGNI, CASH, PRGO
Q2 2024 19$120.3MGSM, DRVN, MGNI, CASH, CLMT
Q1 2024 20$121.9MGSM, OEC, GPRE, CASH, AMBP