Q2 2026 13F · SEC CIK 1938268

4D Advisors, LLC

Hedge fundFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $260.3M
Reported positions: 37
Holdings vs S&P 500, 3 yrs: —
Assets under management: $315.6M

4D Advisors, LLC is a hedge fund that reported 37 positions worth $260.3M in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Knight-Swift Transn Hldgs in (KNX, 6.0%), Hunt J B Trans Svcs Inc (JBHT, 4.9%), Arcbest Corp (ARCB, 4.7%).

4D Advisors, LLC holdings all 37 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

4D Advisors, LLC 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
KNXKnight-Swift Transn Hldgs in	6.0%	2.4%	200,000	+207.7%	$15.6M
JBHTHunt J B Trans Svcs Inc	4.9%	5.4%	44,000	+10.0%	$12.7M
ARCBArcbest Corp	4.7%	New	85,000	—	$12.2M
AXONAxon Enterprise Inc	4.3%	2.7%	20,000	+100.0%	$11.2M
CLHClean Harbors Inc	4.0%	New	35,000	—	$10.5M
TFIITfi International Inc	3.9%	New	70,000	—	$10.0M
CVLGCovenant Logistics Group Inc	3.8%	2.3%	225,000	+66.7%	$9.9M
LLYEli Lilly & Co	3.5%	New	7,500	—	$9.0M
FNDFloor & Decor Hldgs Inc	3.4%	New	150,000	—	$8.9M
APEIAmerican Pub Ed Inc	3.4%	5.4%	165,000	+10.0%	$8.9M
COHUCohu Inc	3.3%	3.6%	115,000	-37.8%	$8.5M
FSSFederal Signal Corp	3.2%	3.4%	65,000	+30.0%	$8.4M
CWSTCasella Waste Sys Inc	3.2%	3.3%	85,000	+30.8%	$8.2M
AEISAdvanced Energy Inds Inc	2.9%	3.1%	20,000	+33.3%	$7.5M
FTAIFtai Aviation Ltd	2.9%	New	27,500	—	$7.4M
VEEVVeeva Sys Inc	2.7%	New	40,000	—	$7.1M
SDRLSeadrill Ltd	2.7%	New	185,000	—	$7.0M
RSGRepublic Svcs Inc	2.7%	New	32,500	—	$6.9M
MYRGMyr Group Inc Del	2.4%	2.7%	12,500	-16.7%	$6.3M
GWREGuidewire Software Inc	2.4%	New	50,000	—	$6.2M
CNQCanadian Nat Res Ltd Med Ter	2.3%	New	150,000	—	$5.9M
CACICaci Intl Inc	2.2%	1.9%	12,500	+127.3%	$5.8M
ALGNAlign Technology Inc	2.1%	New	33,000	—	$5.6M
RNGRRanger Energy Services Inc	2.0%	New	325,000	—	$5.2M
LSTRLandstar Systems Inc	2.0%	New	25,000	—	$5.2M
ATENA10 Networks Inc	1.9%	New	135,000	—	$5.0M
BOOTBoot Barn Hldgs Inc	1.9%	1.9%	30,000	+50.0%	$4.9M
ONTOOnto Innovation Inc	1.9%	3.9%	13,000	-56.7%	$4.9M
MKSIMks Inc.	1.9%	New	11,000	—	$4.9M
FANGDiamondback Energy Inc	1.7%	0.2%	25,000	+1658.1%	$4.4M
MPWRMonolithic Pwr Sys Inc	1.6%	2.8%	3,000	-25.0%	$4.1M
MUMicron Technology Inc	1.6%	New	3,500	—	$4.0M
FIXComfort Sys USA Inc	1.5%	3.5%	2,000	-50.0%	$4.0M
TPBTurning Pt Brands Inc	1.5%	3.6%	45,000	-30.8%	$3.8M
VECOVeeco Instrs Inc Del	1.5%	New	50,000	—	$3.8M
ICHRIchor Holdings	1.3%	3.0%	30,000	-70.0%	$3.4M
KLICKulicke & Soffa Industries Inc	1.2%	2.5%	22,500	-62.5%	$3.0M

What 4D Advisors, LLC bought and sold in Q2 2026, against Q1 2026.

New positions

Share counts compared with the Q1 2026 13F; a split also changes share counts.

How the holdings did against the S&P 500.

1 year: +22.3% /yr; S&P 500 +20.1%
3 years: —
5 years: —

A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q2 2026	$260.3M	37
Q1 2026	$157.8M	34
Q4 2025	$182.5M	37
Q3 2025	$187.8M	33
Q2 2025	$186.0M	34
Q1 2025	$128.7M	32
Q4 2024	$142.5M	34

Questions about 4D Advisors, LLC's portfolio

What stocks does 4D Advisors, LLC own?

4D Advisors, LLC's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 37 positions worth $260.3M. The largest are Knight-Swift Transn Hldgs in (KNX) at 6.0%, Hunt J B Trans Svcs Inc (JBHT) at 4.9%, Arcbest Corp (ARCB) at 4.7%, Axon Enterprise Inc (AXON) at 4.3% and Clean Harbors Inc (CLH) at 4.0%.

What did 4D Advisors, LLC buy last quarter?

In Q2 2026, 4D Advisors, LLC added a new position in Arcbest Corp (ARCB), a new position in Clean Harbors Inc (CLH), a new position in Tfi International Inc (TFII), a new position in Eli Lilly & Co (LLY), a new position in Floor & Decor Hldgs Inc (FND), Diamondback Energy Inc (FANG) (+1658.1% shares), Knight-Swift Transn Hldgs in (KNX) (+207.7% shares) and Caci Intl Inc (CACI) (+127.3% shares), compared with its Q1 2026 filing.

What did 4D Advisors, LLC sell last quarter?

In Q2 2026, 4D Advisors, LLC sold all of Waste Mgmt Inc Del (WM), sold all of Old Dominion Freight Line in (ODFL), sold all of Permian Resources Corp (PR), sold all of Ultra Clean Holdings Inc (UCTT), sold all of Marten Trans Ltd (MRTN), Ichor Holdings (ICHR) (-70.0% shares), Kulicke & Soffa Industries Inc (KLIC) (-62.5% shares) and Onto Innovation Inc (ONTO) (-56.7% shares), compared with its Q1 2026 filing.

When is 4D Advisors, LLC's next 13F filing due?

13F filings are due 45 days after each quarter ends. 4D Advisors, LLC's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.

How much money does 4D Advisors, LLC manage?

4D Advisors, LLC reported $315.6M of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $260.3M.