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RK Capital Management, LLC

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13F filer, CIK 1426266, Denver, CO

RK Capital Management, LLC reported $422,574,139 across 47 holdings for the quarter ended 2023-09-30, in a 13F-HR filed 2023-11-13. Its ten largest share positions make up 35.94% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001104659-23-116604

Period
2023-09-30
Reported value
$423M
Holdings
47
Top 10 weight
35.94%
New
8
Sold out
8

Largest buys vs the previous quarter

SecurityShares changeApprox. value
THRMnew+203,100$11M
KEXnew+101,600$8.41M
EPACnew+260,200$6.88M
HDSNnew+479,900$6.38M
GPInew+21,310$5.73M

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
FTIreduced-706,600-$14.4M
KNXexited-138,600-$7.7M
MRC GLOBAL INCexited-751,700-$7.57M
FIXreduced-40,140-$6.84M
HLIOexited-102,900-$6.8M

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, Q3 2023

Share positions as resolved from 13F-HR 0001104659-23-116604, largest first. % of portfolio is the value over $422,574,139, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
JAZZJAZZ PHARMACEUTICALS PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 129,185 shares; 2023Q1: 134,870 shares; 2023Q2: 141,360 shares; 2023Q3: 140,895 shares 140,895$18.2M4.32%-465Timeline
HURNHURON CONSULTING GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 214,700 shares; 2023Q1: 215,000 shares; 2023Q2: 217,900 shares; 2023Q3: 160,505 shares 160,505$16.7M3.96%-57,395Timeline
BLDTOPBUILD CORQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 64,405 shares; 2023Q1: 58,485 shares; 2023Q2: 57,755 shares; 2023Q3: 66,220 shares 66,220$16.7M3.94%+8,465Timeline
FIXCOMFORT SYS USA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 116,910 shares; 2023Q1: 101,535 shares; 2023Q2: 129,825 shares; 2023Q3: 89,685 shares 89,685$15.3M3.62%-40,140Timeline
CALXCALIX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 139,200 shares; 2023Q1: 255,100 shares; 2023Q2: 287,500 shares; 2023Q3: 315,400 shares 315,400$14.5M3.42%+27,900Timeline
ASOACADEMY SPORTS & OUTDOORS INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 289,100 shares; 2023Q1: 260,200 shares; 2023Q2: 267,200 shares; 2023Q3: 300,800 shares 300,800$14.2M3.36%+33,600Timeline
FSSFEDERAL SIGNAL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 315,700 shares; 2023Q1: 227,300 shares; 2023Q2: 248,500 shares; 2023Q3: 237,000 shares 237,000$14.2M3.35%-11,500Timeline
CECOCECO ENVIRONMENTAL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: not reported; 2023Q2: 647,254 shares; 2023Q3: 884,347 shares 884,347$14.1M3.34%+237,093Timeline
MMSIMERIT MED SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 111,600 shares; 2023Q1: 145,100 shares; 2023Q2: 131,500 shares; 2023Q3: 204,100 shares 204,100$14.1M3.33%+72,600Timeline
SPX CORPSPX CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 219,000 shares; 2023Q1: 202,600 shares; 2023Q2: 162,320 shares; 2023Q3: 171,300 shares 171,300$13.9M3.3%+8,980
COCOVITA COCO CO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 671,700 shares; 2023Q1: 806,500 shares; 2023Q2: 631,800 shares; 2023Q3: 513,785 shares 513,785$13.4M3.17%-118,015Timeline
IRMDIRADIMED CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 366,000 shares; 2023Q1: 335,400 shares; 2023Q2: 288,100 shares; 2023Q3: 300,800 shares 300,800$13.3M3.16%+12,700Timeline
VECOVEECO INSTRS INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 197,700 shares; 2023Q1: 272,600 shares; 2023Q2: 361,500 shares; 2023Q3: 423,800 shares 423,800$11.9M2.82%+62,300Timeline
HLITHARMONIC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 1,318,000 shares; 2023Q1: 1,274,700 shares; 2023Q2: 1,070,400 shares; 2023Q3: 1,186,300 shares 1,186,300$11.4M2.7%+115,900Timeline
KBRKBR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 264,600 shares; 2023Q1: 276,700 shares; 2023Q2: 220,200 shares; 2023Q3: 187,800 shares 187,800$11.1M2.62%-32,400Timeline
THRMGENTHERM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: not reported; 2023Q2: not reported; 2023Q3: 203,100 shares 203,100$11M2.61%newTimeline
ICFIICF INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 155,200 shares; 2023Q1: 143,825 shares; 2023Q2: 95,225 shares; 2023Q3: 83,180 shares 83,180$10M2.38%-12,045Timeline
CSLCARLISLE COS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: 37,655 shares; 2023Q2: 59,725 shares; 2023Q3: 37,150 shares 37,150$9.63M2.28%-22,575Timeline
GXOGXO LOGISTICS INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: 148,200 shares; 2023Q2: 156,700 shares; 2023Q3: 156,800 shares 156,800$9.2M2.18%+100Timeline
JBTMJBT MAREL CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 103,400 shares; 2023Q1: 92,380 shares; 2023Q2: 91,240 shares; 2023Q3: 87,045 shares 87,045$9.15M2.17%-4,195Timeline
POOLPOOL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: 16,455 shares; 2023Q2: 25,435 shares; 2023Q3: 25,355 shares 25,355$9.03M2.14%-80Timeline
FWRGFIRST WATCH RESTAURANT GROUPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 624,900 shares; 2023Q1: 647,100 shares; 2023Q2: 590,200 shares; 2023Q3: 492,500 shares 492,500$8.52M2.02%-97,700Timeline
KEXKIRBY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: not reported; 2023Q2: not reported; 2023Q3: 101,600 shares 101,600$8.41M1.99%newTimeline
MATXMATSON INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 91,300 shares; 2023Q1: 94,700 shares; 2023Q2: 119,300 shares; 2023Q3: 93,800 shares 93,800$8.32M1.97%-25,500Timeline
LFUSLITTELFUSE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 63,550 shares; 2023Q1: 32,095 shares; 2023Q2: 41,515 shares; 2023Q3: 33,015 shares 33,015$8.17M1.93%-8,500Timeline
STGWSTAGWELL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 606,900 shares; 2023Q1: 1,683,000 shares; 2023Q2: 1,182,511 shares; 2023Q3: 1,705,132 shares 1,705,132$8M1.89%+522,621Timeline
OPCHOPTION CARE HEALTH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: 329,100 shares; 2023Q2: 187,600 shares; 2023Q3: 246,700 shares 246,700$7.98M1.89%+59,100Timeline
BJRIBJS RESTAURANTS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 188,100 shares; 2023Q1: 194,400 shares; 2023Q2: 330,000 shares; 2023Q3: 329,100 shares 329,100$7.72M1.83%-900Timeline
CHDNCHURCHILL DOWNS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 71,740 shares; 2023Q1: 50,400 shares; 2023Q2: 69,020 shares; 2023Q3: 65,890 shares 65,890$7.65M1.81%-3,130Timeline
SEISOLARIS ENERGY INFRAS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 1,333,800 shares; 2023Q1: 610,000 shares; 2023Q2: 555,500 shares; 2023Q3: 694,700 shares 694,700$7.41M1.75%+139,200Timeline
EPACENERPAC TOOL GROUP CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: not reported; 2023Q2: not reported; 2023Q3: 260,200 shares 260,200$6.88M1.63%newTimeline
HDSNHUDSON TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 576,100 shares; 2023Q1: not reported; 2023Q2: not reported; 2023Q3: 479,900 shares 479,900$6.38M1.51%newTimeline
GDENGOLDEN ENTMT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 268,800 shares; 2023Q1: 332,300 shares; 2023Q2: 255,300 shares; 2023Q3: 177,000 shares 177,000$6.05M1.43%-78,300Timeline
INDIINDIE SEMICONDUCTOR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: 970,200 shares; 2023Q2: 1,234,600 shares; 2023Q3: 954,900 shares 954,900$6.02M1.42%-279,700Timeline
GPIGROUP 1 AUTOMOTIVE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: not reported; 2023Q2: not reported; 2023Q3: 21,310 shares 21,310$5.73M1.36%newTimeline
MGRCMCGRATH RENTCORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 145,600 shares; 2023Q1: 132,800 shares; 2023Q2: 47,500 shares; 2023Q3: 55,100 shares 55,100$5.52M1.31%+7,600Timeline
CXMSPRINKLR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: not reported; 2023Q2: not reported; 2023Q3: 398,500 shares 398,500$5.52M1.31%newTimeline
ALGALAMO GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: not reported; 2023Q2: not reported; 2023Q3: 29,950 shares 29,950$5.18M1.23%newTimeline
POWERSCHOOL HOLDINGS INCPOWERSCHOOL HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 334,800 shares; 2023Q1: 292,200 shares; 2023Q2: 307,983 shares; 2023Q3: 197,400 shares 197,400$4.47M1.06%-110,583
TSEMTOWER SEMICONDUCTOR LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: not reported; 2023Q2: not reported; 2023Q3: 170,300 shares 170,300$4.18M0.99%newTimeline
LTRXLANTRONIX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 969,300 shares; 2023Q1: 1,004,000 shares; 2023Q2: 890,000 shares; 2023Q3: 887,300 shares 887,300$3.95M0.93%-2,700Timeline
EXPOEXPONENT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 89,200 shares; 2023Q1: 92,500 shares; 2023Q2: 30,400 shares; 2023Q3: 45,400 shares 45,400$3.89M0.92%+15,000Timeline
AGNCAGNC INVT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: not reported; 2023Q2: 390,500 shares; 2023Q3: 406,400 shares 406,400$3.84M0.91%+15,900Timeline
MASIMASIMO CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: 33,955 shares; 2023Q2: 38,995 shares; 2023Q3: 38,580 shares 38,580$3.38M0.8%-415Timeline
RRGBRED ROBIN GOURMET BURGERS INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: not reported; 2023Q1: 222,200 shares; 2023Q2: 342,600 shares; 2023Q3: 390,900 shares 390,900$3.14M0.74%+48,300Timeline
FTITECHNIPFMC PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 485,700 shares; 2023Q1: 711,900 shares; 2023Q2: 841,100 shares; 2023Q3: 134,500 shares 134,500$2.74M0.65%-706,600Timeline
PDPAGERDUTY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2021Q4: restricted; 2022Q1: restricted; 2022Q2: restricted; 2022Q3: restricted; 2022Q4: 261,500 shares; 2023Q1: 172,800 shares; 2023Q2: 68,000 shares; 2023Q3: 109,300 shares 109,300$2.46M0.58%+41,300Timeline

Sold out in Q3 2023

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

SecurityShares beforeValue beforeType
KNXKNIGHT-SWIFT TRANSN HLDGS IN138,600$7.7Mshares
MRC GLOBAL INCMRC GLOBAL INC751,700$7.57Mshares
HLIOHELIOS TECHNOLOGIES INC102,900$6.8Mshares
THE SHYFT GROUPTHE SHYFT GROUP292,700$6.46Mshares
SOLO BRANDS INCSOLO BRANDS INC1,042,543$5.9Mshares
IWOISHARES TR17,500$4.25Mshares
IWMISHARES TR19,400$3.63Mshares
AGCOAGCO CORP22,660$2.98Mshares

How Q3 2023 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 0001104659-23-116604 base2023-11-13acceptance time not in the bulk data set