Stocks/Funds/CIK 1938268

4D Advisors, LLC

Quarterly 13F filings · Latest period 2026-03-31 · CIK 1938268
Assets
$158M
+26.8% YoY
Holdings
34
Lifetime alpha vs market
+11.98% annual
Average hold time
0.7 yr
median 0.5 yr

Quarterly history

Cum return +30% vs S&P +13% · α +17% lifetimeAUM $158M · peak $188MFlow $-38M (-21%)2024-122025-032025-062025-092025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-1.56%
trims when stocks drop
when a holding falls −10%+
Middle response
-18.53%
baseline attrition
Rally response
-6.33%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
WMWaste Management, Inc.$9M5.8%+0.8%0.8 yr
APEIAmerican Public Educatio$9M5.4%+154.8%1.3 yr
JBHTJ.B. Hunt Transport Serv$8M5.4%+44.8%0.3 yr
ODFLOld Dominion Freight Lin$8M5.0%+18.9%0.3 yr
PRPermian Resources Corpor$6M4.1%+60.4%0.3 yr
ONTOOnto Innovation Inc.$6M3.9%+69.0%1.3 yr
COHUCohu, Inc.$6M3.6%+108.2%0.8 yr
TPBTurning Point Brands, In$6M3.6%+46.5%1.3 yr
FIXComfort Systems USA, Inc$6M3.5%+329.0%1.5 yr
FSSFederal Signal Corporati$5M3.4%+47.8%1.5 yr
CWSTCasella Waste Systems, I$5M3.3%-28.8%0.5 yr
AEISAdvanced Energy Industri$5M3.1%+239.4%0.8 yr
UCTTUltra Clean Holdings, In$5M3.0%+190.4%0.5 yr
ICHRIchor Holdings, Ltd.$5M3.0%+106.1%0.3 yr
MRTNMarten Transport, Ltd.$5M2.9%-2.4%0.3 yr

Portfolio composition (YoY)

Industry mix
Semiconductors18.7%+17.3pp$29M
Trucking12.6%$20M
Waste Management9.1%-8.4pp$14M
Integrated Freight & Logistics7.8%$12M
Engineering & Construction6.2%-3.7pp$10M
Industrial - Pollution & Treatment Controls5.9%+3.2pp$9M
Education & Training Services5.4%-2.1pp$9M
Electrical Equipment & Parts5.3%$8M
Oil & Gas Exploration & Production4.2%+1.8pp$7M
Tobacco3.6%-1.0pp$6M
Country
US95.3%-3.2pp
SG2.5%
Unknown2.2%+0.7pp
Top 5: 25.6% · Top 10: 43.6% · Top 25: 83.8%

Winners

TickerPrev $PnLYoY %
FIX$3M+0.01B329.0%
APEI$3M+0.00B154.8%
TPB$6M+0.00B46.5%
FSS$3M+0.00B47.8%
MPWR$2M+0.00B89.6%

Losers

TickerPrev $PnLYoY %
AXON$8M-0.00B-19.3%
KNF$5M-0.00B-9.5%

Top buys this quarter · 15

JBHT J.B. Hunt Transport Services, new+$8M
ODFL Old Dominion Freight Line, Incnew+$8M
PR Permian Resources Corporationnew+$6M
ICHR Ichor Holdings, Ltd.new+$5M
MRTN Marten Transport, Ltd.new+$5M
MYRG MYR Group Inc.new+$4M
KLIC Kulicke and Soffa Industries, new+$4M
XPO XPO Logistics, Inc.new+$4M
CECO CECO Environmental Corp.new+$4M
CVLG Covenant Logistics Group, Inc.new+$4M

Top sells this quarter · 15

LINC Lincoln Educational Services Cexit$8M
NE Noble Corporation Plcexit$7M
UTI Universal Technical Institute,exit$6M
CALX Calix, Inc.exit$6M
SGHC Super Group (SGHC) Limitedexit$5M
WM Waste Management, Inc.$5M
PWR Quanta Services, Inc.exit$5M
ON ON Semiconductor Corporationexit$5M
TRNS Transcat, Inc.exit$4M
KAI Kadant Inc.exit$4M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$158M34+39.90%+17.59%+22.31%-0.04B
2025-12-31$182M37+21.03%+17.72%+3.31%-0.00B
2025-09-30$188M33+14.91%+8.12%+6.79%-0.03B
2025-06-30$186M34+13.96%+10.78%+3.18%+0.04B
2025-03-31$124M31-7.31%-4.27%-3.05%-0.01B
2024-12-31$140M33