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4D Advisors, LLC

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13F filer, CIK 1938268, REDONDO BEACH, CA

4D Advisors, LLC reported $187,832,976 across 33 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-11-14. Its ten largest share positions make up 46.34% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001938268-25-000003

Period
2025-09-30
Reported value
$188M
Holdings
33
Top 10 weight
46.34%
New
13
Sold out
14

Largest buys vs the previous quarter

SecurityShares changeApprox. value
USPHnew+110,000$9.34M
SGHCnew+700,000$9.24M
FICOnew+5,000$7.48M
RAMPnew+200,000$5.43M
ONTOadded+40,000$5.17M

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
TPBreduced-122,000-$12.1M
MASIexited-45,000-$7.57M
RSGexited-30,000-$7.4M
MTHexited-110,000-$7.37M
HNIexited-115,000-$5.66M

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 2025

Share positions as resolved from 13F-HR 0001938268-25-000003, largest first. % of portfolio is the value over $187,832,976, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
APEIAMERICAN PUB ED INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 135,000 shares; 2025Q2: 285,000 shares; 2025Q3: 265,000 shares 265,000$10.5M5.57%-20,000Timeline
TPBTURNING PT BRANDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 95,000 shares; 2025Q2: 222,000 shares; 2025Q3: 100,000 shares 100,000$9.89M5.26%-122,000Timeline
USPHU S PHYSICAL THERAPYQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 35,000 shares; 2025Q2: not reported; 2025Q3: 110,000 shares 110,000$9.34M4.97%newTimeline
SGHCSUPER GROUP SGHC LIMITEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 700,000 shares 700,000$9.24M4.92%newTimeline
ONTOONTO INNOVATION INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 25,000 shares; 2025Q1: not reported; 2025Q2: 30,000 shares; 2025Q3: 70,000 shares 70,000$9.05M4.82%+40,000Timeline
AXONAXON ENTERPRISE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 15,000 shares; 2025Q1: 16,000 shares; 2025Q2: 12,500 shares; 2025Q3: 12,500 shares 12,500$8.97M4.78%0Timeline
CELHCELSIUS HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 150,000 shares; 2025Q2: 175,000 shares; 2025Q3: 150,000 shares 150,000$8.62M4.59%-25,000Timeline
FICOFAIR ISAAC CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 5,000 shares 5,000$7.48M3.98%newTimeline
VEEVVEEVA SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 20,000 shares; 2025Q1: 25,000 shares; 2025Q2: 20,000 shares; 2025Q3: 25,000 shares 25,000$7.45M3.97%+5,000Timeline
FSSFEDERAL SIGNAL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 50,000 shares; 2025Q1: 45,000 shares; 2025Q2: 80,000 shares; 2025Q3: 55,000 shares 55,000$6.54M3.48%-25,000Timeline
NEMNEWMONT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 100,000 shares; 2025Q3: 75,000 shares 75,000$6.32M3.37%-25,000Timeline
VECOVEECO INSTRS INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 170,000 shares; 2025Q3: 200,000 shares 200,000$6.09M3.24%+30,000Timeline
MPWRMONOLITHIC PWR SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 8,500 shares; 2025Q1: 3,000 shares; 2025Q2: 11,000 shares; 2025Q3: 6,500 shares 6,500$5.98M3.19%-4,500Timeline
BOOTBOOT BARN HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 35,000 shares; 2025Q1: 20,000 shares; 2025Q2: 25,000 shares; 2025Q3: 35,000 shares 35,000$5.8M3.09%+10,000Timeline
GWREGUIDEWIRE SOFTWARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 20,000 shares; 2025Q3: 25,000 shares 25,000$5.75M3.06%+5,000Timeline
RAMPLIVERAMP HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 200,000 shares 200,000$5.43M2.89%newTimeline
RXSTRXSIGHT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 55,000 shares; 2025Q1: 65,000 shares; 2025Q2: 125,000 shares; 2025Q3: 554,930 shares 554,930$4.99M2.66%+429,930Timeline
TRNSTRANSCAT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 35,000 shares; 2025Q3: 65,000 shares 65,000$4.76M2.53%+30,000Timeline
STRLSTERLING INFRASTRUCTURE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 30,000 shares; 2025Q3: 14,000 shares 14,000$4.76M2.53%-16,000Timeline
CDECOEUR MNG INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 500,000 shares; 2025Q3: 250,000 shares 250,000$4.69M2.5%-250,000Timeline
CVCOCAVCO INDS INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 7,500 shares 7,500$4.36M2.32%newTimeline
NSSCNAPCO SEC TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 100,000 shares 100,000$4.29M2.29%newTimeline
MODMODINE MFG COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 30,000 shares 30,000$4.26M2.27%newTimeline
BBSIBARRETT BUSINESS SVCS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 125,000 shares; 2025Q1: 100,000 shares; 2025Q2: 100,000 shares; 2025Q3: 95,000 shares 95,000$4.21M2.24%-5,000Timeline
PWRQUANTA SVCS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 20,000 shares; 2025Q2: 15,000 shares; 2025Q3: 10,000 shares 10,000$4.14M2.21%-5,000Timeline
FIXCOMFORT SYS USA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 8,500 shares; 2025Q1: 10,000 shares; 2025Q2: 7,500 shares; 2025Q3: 5,000 shares 5,000$4.13M2.2%-2,500Timeline
GRBKGREEN BRICK PARTNERS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 60,000 shares; 2025Q1: 30,000 shares; 2025Q2: not reported; 2025Q3: 50,000 shares 50,000$3.69M1.97%newTimeline
LSCCLATTICE SEMICONDUCTOR CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 45,000 shares 45,000$3.3M1.76%newTimeline
EMEEMCOR GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 5,000 shares 5,000$3.25M1.73%newTimeline
ESTAESTABLISHMENT LABS HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 85,000 shares; 2025Q1: not reported; 2025Q2: 65,000 shares; 2025Q3: 75,000 shares 75,000$3.07M1.64%+10,000Timeline
NGDNEW GOLD INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 400,000 shares 400,000$2.87M1.53%newTimeline
ALMALMONTY INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 400,000 shares 400,000$2.41M1.28%newTimeline
LRNSTRIDE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 15,000 shares 15,000$2.23M1.19%newTimeline

Sold out in Q3 2025

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

SecurityShares beforeValue beforeType
MASIMASIMO CORP45,000$7.57Mshares
RSGREPUBLIC SVCS INC30,000$7.4Mshares
MTHMERITAGE HOMES CORP110,000$7.37Mshares
HNIHNI CORP115,000$5.66Mshares
WCNWASTE CONNECTIONS INC30,000$5.6Mshares
FORMFORMFACTOR INC125,000$4.3Mshares
DVADAVITA INC30,000$4.27Mshares
LOPEGRAND CANYON ED INC22,500$4.25Mshares
LADLITHIA MTRS INC12,500$4.22Mshares
THE SHYFT GROUPTHE SHYFT GROUP300,000$3.76Mshares
BLBDBLUE BIRD CORP85,000$3.67Mshares
GPIGROUP 1 AUTOMOTIVE INC7,500$3.28Mshares
ILMNILLUMINA INC30,000$2.86Mshares
TECHBIO-TECHNE CORP40,000$2.06Mshares

How Q3 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 0001938268-25-000003 base2025-11-14acceptance time not in the bulk data set