4D Advisors, LLC

13F filer · CIK 0001938268

Reported Aug 14, 2026

Net buyer this quarter

13F portfolio value$260MU.S. long equity reported on 13F

Positions3718 new · 15 closed

Net flow last quarter+$45.4MBuys minus sells

Top 10 positions weight41.8%Concentration

Holdings

13F · last 4 quarters free

Scroll for earlier quarters

Company	Value	% of portfolio	% of company	POSITION CHANGE qoq %	First reported
Q2 2026Reported Aug 14, 202637 positions
KNXKnight-Swift Transportation Holdings Inc.	$15.6M	5.98%	0.12%	+207.7%	Q4 2025
JBHTHunt J B Transport Services Inc	$12.7M	4.89%	0.05%	+10.0%	Q1 2026
ARCBArcbest Corp	$12.2M	4.69%	0.38%	New	Q2 2026
AXONAxon Enterprise, Inc.	$11.2M	4.31%	0.02%	+100.0%	Q4 2024
CLHClean Harbors Inc	$10.5M	4.02%	0.07%	New	Q2 2026
TFIITFI International Inc.	$10M	3.86%	0.08%	New	Q2 2026
CVLGCovenant Logistics Group, Inc.	$9.94M	3.82%	Not reported	+66.7%	Q1 2026
LLYELI LILLY & Co	$9M	3.46%	0.00%	New	Q2 2026
FNDFloor & Decor Holdings, Inc.	$8.9M	3.42%	0.14%	New	Q2 2026
APEIAmerican Public Education Inc	$8.86M	3.40%	0.90%	+10.0%	Q1 2025
COHUCohu Inc	$8.5M	3.27%	0.23%	-37.8%	Q4 2024
FSSFederal Signal Corp	$8.35M	3.21%	0.11%	+30.0%	Q4 2024
CWSTCasella Waste Systems Inc	$8.24M	3.17%	Not reported	+30.8%	Q4 2025
AEISAdvanced Energy Industries Inc	$7.46M	2.86%	0.05%	+33.3%	Q4 2024
FTAIFTAI Aviation Ltd.	$7.44M	2.86%	0.03%	New	Q2 2026
VEEVVeeva Systems Inc	$7.1M	2.73%	0.02%	Not reported	Q4 2024
SDRLSEADRILL Ltd	$7M	2.69%	0.30%	New	Q2 2026
RSGRepublic Services, Inc.	$6.93M	2.66%	0.01%	Not reported	Q1 2025
MYRGMyr Group Inc.	$6.26M	2.40%	0.08%	-16.7%	Q1 2026
GWREGuidewire Software, Inc.	$6.15M	2.36%	0.06%	Not reported	Q2 2025
CNQCANADIAN NATURAL RESOURCES Ltd	$5.93M	2.28%	0.01%	New	Q2 2026
CACICaci International Inc	$5.79M	2.22%	0.06%	+127.3%	Q1 2026
ALGNAlign Technology Inc	$5.57M	2.14%	0.05%	New	Q2 2026
RNGRRanger Energy Services, Inc.	$5.2M	2.00%	Not reported	New	Q2 2026
LSTRLandstar System Inc	$5.17M	1.99%	0.07%	New	Q2 2026
ATENA10 Networks, Inc.	$5.04M	1.94%	0.19%	New	Q2 2026
BOOTBoot Barn Holdings, Inc.	$4.93M	1.89%	0.10%	+50.0%	Q4 2024
ONTOOnto Innovation Inc.	$4.92M	1.89%	0.03%	-56.7%	Q4 2024
MKSIMKS Inc	$4.89M	1.88%	0.02%	New	Q2 2026
FANGDiamondback Energy, Inc.	$4.39M	1.69%	0.01%	+1658.1%	Q1 2026
MPWRMonolithic Power Systems, Inc.	$4.15M	1.59%	0.01%	-25.0%	Q4 2024
MUMicron Technology Inc	$4.04M	1.55%	0.00%	New	Q2 2026
FIXComfort Systems USA Inc	$3.96M	1.52%	0.01%	-50.0%	Q4 2024
TPBTurning Point Brands, Inc.	$3.82M	1.47%	0.23%	-30.8%	Q1 2025
VECOVeeco Instruments Inc	$3.79M	1.46%	0.08%	Not reported	Q2 2025
ICHRIchor Holdings, Ltd.	$3.37M	1.29%	0.08%	-70.0%	Q1 2026
KLICKulicke & Soffa Industries Inc	$3.01M	1.16%	0.04%	-62.5%	Q1 2026
Q1 2026Reported May 15, 202634 positions
WMWaste Management Inc	$9.19M	5.83%	0.01%	Not reported	Q4 2024
APEIAmerican Public Education Inc	$8.53M	5.41%	0.81%	-14.3%	Q1 2025
JBHTHunt J B Transport Services Inc	$8.48M	5.37%	0.04%	New	Q1 2026
ODFLOld Dominion Freight Line, Inc.	$7.82M	4.95%	0.02%	New	Q1 2026
PRPermian Resources Corp	$6.4M	4.05%	0.04%	New	Q1 2026
ONTOOnto Innovation Inc.	$6.15M	3.90%	0.06%	Not reported	Q4 2024
COHUCohu Inc	$5.66M	3.59%	0.37%	-7.5%	Q4 2024
TPBTurning Point Brands, Inc.	$5.64M	3.58%	0.34%	-43.5%	Q1 2025
FIXComfort Systems USA Inc	$5.52M	3.50%	0.01%	-20.0%	Q4 2024
FSSFederal Signal Corp	$5.41M	3.43%	0.08%	-28.6%	Q4 2024
CWSTCasella Waste Systems Inc	$5.16M	3.27%	Not reported	-31.6%	Q4 2025
AEISAdvanced Energy Industries Inc	$4.84M	3.07%	0.04%	Not reported	Q4 2024
UCTTUltra Clean Holdings, Inc.	$4.66M	2.96%	0.17%	-44.4%	Q4 2025
ICHRIchor Holdings, Ltd.	$4.66M	2.95%	0.29%	New	Q1 2026
MRTNMarten Transport Ltd	$4.6M	2.91%	0.43%	New	Q1 2026
MPWRMonolithic Power Systems, Inc.	$4.37M	2.77%	0.01%	Not reported	Q4 2024
AXONAxon Enterprise, Inc.	$4.25M	2.69%	0.01%	-20.0%	Q4 2024
MYRGMyr Group Inc.	$4.23M	2.68%	0.10%	New	Q1 2026
KNFKnife River Corp	$4.08M	2.59%	0.09%	Not reported	Q4 2024
KLICKulicke & Soffa Industries Inc	$3.94M	2.50%	0.11%	New	Q1 2026
XPOXPO, Inc.	$3.89M	2.47%	0.02%	New	Q1 2026
CECOCeco Environmental Corp	$3.87M	2.45%	0.18%	New	Q1 2026
KNXKnight-Swift Transportation Holdings Inc.	$3.74M	2.37%	0.04%	-13.3%	Q4 2025
CVLGCovenant Logistics Group, Inc.	$3.67M	2.32%	Not reported	New	Q1 2026
POWLPowell Industries Inc	$3.52M	2.23%	0.02%	New	Q1 2026
AEBIAebi Schmidt Holding AG	$3.4M	2.15%	0.45%	New	Q1 2026
BHEBenchmark Electronics Inc	$3.36M	2.13%	0.17%	New	Q1 2026
CSLCarlisle Companies Inc	$3.34M	2.11%	0.02%	-50.0%	Q4 2025
SHLSShoals Technologies Group, Inc.	$3.29M	2.09%	Not reported	New	Q1 2026
NEMNEWMONT Corp	$3.25M	2.06%	0.00%	-40.0%	Q2 2025
CACICaci International Inc	$2.99M	1.90%	0.02%	New	Q1 2026
BOOTBoot Barn Holdings, Inc.	$2.93M	1.86%	0.07%	Not reported	Q4 2024
CELHCelsius Holdings, Inc.	$2.66M	1.69%	0.03%	-46.4%	Q1 2025
FANGDiamondback Energy, Inc.	$281K	0.18%	0.00%	New	Q1 2026
Q4 2025Reported Feb 17, 202637 positions
TPBTurning Point Brands, Inc.	$12.5M	6.83%	0.60%	+15.0%	Q1 2025
CWSTCasella Waste Systems Inc	$9.3M	5.10%	Not reported	New	Q4 2025
FSSFederal Signal Corp	$7.6M	4.17%	0.11%	+27.3%	Q4 2024
AXONAxon Enterprise, Inc.	$7.1M	3.89%	0.02%	Not reported	Q4 2024
FICOFair Isaac Corp	$6.76M	3.71%	0.02%	-20.0%	Q3 2025
APEIAmerican Public Education Inc	$6.62M	3.63%	0.97%	-34.0%	Q1 2025
CELHCelsius Holdings, Inc.	$6.4M	3.51%	0.05%	-6.7%	Q1 2025
CSLCarlisle Companies Inc	$6.4M	3.51%	0.05%	New	Q4 2025
CALXCalix, Inc	$6.09M	3.34%	0.17%	New	Q4 2025
ACVAACV Auctions Inc.	$6.02M	3.30%	0.43%	New	Q4 2025
SGHCSuper Group (SGHC) Ltd	$5.98M	3.27%	0.10%	-28.6%	Q3 2025
DAVEDave Inc.	$5.54M	3.03%	Not reported	New	Q4 2025
NEMNEWMONT Corp	$4.99M	2.74%	0.00%	-33.3%	Q2 2025
ONTOOnto Innovation Inc.	$4.74M	2.60%	0.06%	-57.1%	Q4 2024
FIXComfort Systems USA Inc	$4.67M	2.56%	0.01%	Not reported	Q4 2024
COHUCohu Inc	$4.65M	2.55%	0.40%	Not reported	Q4 2024
UTIUniversal Technical Institute Inc	$4.57M	2.51%	0.32%	New	Q4 2025
LINCLincoln Educational Services Corp	$4.47M	2.45%	0.59%	New	Q4 2025
DINDine Brands Global, Inc.	$4.34M	2.38%	1.07%	New	Q4 2025
KAIKadant Inc	$4.28M	2.34%	0.13%	New	Q4 2025
NENoble Corp plc	$4.24M	2.32%	0.09%	New	Q4 2025
NSSCNapco Security Technologies, Inc	$4.17M	2.29%	0.28%	Not reported	Q3 2025
ONOn Semiconductor Corp	$4.06M	2.23%	0.02%	New	Q4 2025
ESTAEstablishment Labs Holdings Inc.	$4.01M	2.20%	0.19%	-26.7%	Q4 2024
RAMPLiveRamp Holdings, Inc.	$3.96M	2.17%	0.21%	-32.5%	Q3 2025
KNXKnight-Swift Transportation Holdings Inc.	$3.92M	2.15%	0.05%	New	Q4 2025
MPWRMonolithic Power Systems, Inc.	$3.63M	1.99%	0.01%	-38.5%	Q4 2024
PWRQuanta Services, Inc.	$3.59M	1.97%	0.01%	-15.0%	Q1 2025
BOOTBoot Barn Holdings, Inc.	$3.53M	1.93%	0.07%	-42.9%	Q4 2024
KNFKnife River Corp	$3.52M	1.93%	0.09%	Not reported	Q4 2024
UCTTUltra Clean Holdings, Inc.	$3.42M	1.87%	0.30%	New	Q4 2025
TRNSTranscat Inc	$3.4M	1.87%	0.64%	-7.7%	Q2 2025
MEIMethode Electronics Inc	$3.32M	1.82%	1.41%	New	Q4 2025
AEISAdvanced Energy Industries Inc	$3.14M	1.72%	0.04%	Not reported	Q4 2024
LOVELovesac Co	$2.95M	1.62%	1.37%	New	Q4 2025
BBSIBarrett Business Services Inc	$2.72M	1.49%	0.30%	-21.1%	Q4 2024
PALProficient Auto Logistics, Inc	$1.93M	1.06%	0.72%	New	Q4 2025
Q3 2025Reported Nov 14, 202532 positions
APEIAmerican Public Education Inc	$10.5M	5.57%	1.47%	-7.0%	Q1 2025
TPBTurning Point Brands, Inc.	$9.89M	5.26%	0.55%	-55.0%	Q1 2025
USPHU S Physical Therapy Inc	$9.34M	4.97%	0.72%	Not reported	Q1 2025
SGHCSuper Group (SGHC) Ltd	$9.24M	4.92%	0.14%	New	Q3 2025
ONTOOnto Innovation Inc.	$9.05M	4.82%	0.14%	+133.3%	Q4 2024
AXONAxon Enterprise, Inc.	$8.97M	4.78%	0.02%	Not reported	Q4 2024
CELHCelsius Holdings, Inc.	$8.62M	4.59%	0.06%	-14.3%	Q1 2025
FICOFair Isaac Corp	$7.48M	3.98%	0.02%	New	Q3 2025
VEEVVeeva Systems Inc	$7.45M	3.97%	0.02%	+25.0%	Q4 2024
FSSFederal Signal Corp	$6.54M	3.48%	0.09%	-31.3%	Q4 2024
NEMNEWMONT Corp	$6.32M	3.37%	0.01%	-25.0%	Q2 2025
VECOVeeco Instruments Inc	$6.09M	3.24%	0.33%	+17.7%	Q2 2025
MPWRMonolithic Power Systems, Inc.	$5.98M	3.19%	0.01%	-40.9%	Q4 2024
BOOTBoot Barn Holdings, Inc.	$5.8M	3.09%	0.11%	+40.0%	Q4 2024
GWREGuidewire Software, Inc.	$5.75M	3.06%	0.03%	+25.0%	Q2 2025
RAMPLiveRamp Holdings, Inc.	$5.43M	2.89%	0.30%	New	Q3 2025
RXSTRxSight, Inc.	$4.99M	2.66%	1.35%	+343.9%	Q4 2024
TRNSTranscat Inc	$4.76M	2.53%	0.70%	+85.7%	Q2 2025
STRLSterling Infrastructure, Inc.	$4.76M	2.53%	0.05%	-53.3%	Q2 2025
CDECoeur Mining, Inc.	$4.69M	2.50%	0.04%	-50.0%	Q2 2025
CVCOCavco Industries, Inc.	$4.36M	2.32%	0.10%	New	Q3 2025
NSSCNapco Security Technologies, Inc	$4.3M	2.29%	0.28%	New	Q3 2025
MODModine Manufacturing Co	$4.26M	2.27%	0.06%	New	Q3 2025
BBSIBarrett Business Services Inc	$4.21M	2.24%	0.37%	-5.0%	Q4 2024
PWRQuanta Services, Inc.	$4.14M	2.21%	0.01%	-33.3%	Q1 2025
FIXComfort Systems USA Inc	$4.13M	2.20%	0.01%	-33.3%	Q4 2024
GRBKGreen Brick Partners, Inc.	$3.69M	1.97%	0.11%	Not reported	Q4 2024
LSCCLattice Semiconductor Corp	$3.3M	1.76%	0.03%	New	Q3 2025
EMEEMCOR Group, Inc.	$3.25M	1.73%	0.01%	New	Q3 2025
ESTAEstablishment Labs Holdings Inc.	$3.07M	1.64%	0.26%	+15.4%	Q4 2024
ALMAlmonty Industries Inc.	$2.41M	1.28%	Not reported	New	Q3 2025
LRNStride, Inc.	$2.23M	1.19%	0.03%	New	Q3 2025

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