4D Advisors, LLC
4D Advisors, LLC reported 37 US-listed holdings worth $260.3 million in its 13F for the quarter ended 30 June 2026, filed 14 August 2026. Its largest: Knight-Swift Transportation Holdings Inc. (6.0%), J.B. Hunt Transport Services, Inc. (4.9%) and Arcbest Corp. (4.7%). Against the quarter before, it opened 18 positions, added to 11, trimmed 8 and sold out of 15.
The 14 largest of its 37 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned +57.8% over the 6 quarters to 30 June 2026, against +27.4% for the S&P 500.
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it did on the quarter
Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held
Opened 18
- Arcbest Corp. ARCB$12.2 million
- Clean Harbors Inc. CLH$10.5 million
- Tfi Intl Inc. TFII$10.0 million
- Eli Lilly & Co. LLY$9.0 million
- Floor & Decor Holdings, Inc. FND$8.9 million
- Ftai Aviation Ltd. FTAI$7.4 million
- Veeva Systems Inc. VEEV$7.1 million
- Seadrill Ltd. SDRL$7.0 million
and 10 more in the table below
Added to 11
- Knight-Swift Transportation Holdings Inc. KNX+135,000 shares · +208%
- Axon Enterprise, Inc. AXON+10,000 shares · +100%
- Diamondback Energy, Inc. FANG+23,578 shares · +1658%
- Covenant Logistics Group Inc. CVLG+90,000 shares · +67%
- Caci International Inc. CACI+7,000 shares · +127%
- Casella Waste Systems Inc. CWST+20,000 shares · +31%
- Federal Signal Corp. FSS+15,000 shares · +30%
- Advanced Energy Industries Inc. AEIS+5,000 shares · +33%
and 3 more in the table below
Trimmed 8
- Ichor Holdings, Ltd. ICHR-70,000 shares · -70%
- Onto Innovation Inc. ONTO-17,000 shares · -57%
- Cohu Inc. COHU-70,000 shares · -38%
- Kulicke & Soffa Industries Inc. KLIC-37,500 shares · -62%
- Comfort Systems USA Inc. FIX-2,000 shares · -50%
- Turning PT Brands Inc. TPB-20,000 shares · -31%
- Monolithic Power Systems, Inc. MPWR-1,000 shares · -25%
- MYR Group Inc. MYRG-2,500 shares · -17%
Sold out of 15
- Waste Management Inc. WM$9.2 million last quarter
- Old Dominion Freight Line, Inc. ODFL$7.8 million last quarter
- Permian Resources Corp. PR$6.4 million last quarter
- Ultra Clean Holdings, Inc. UCTT$4.7 million last quarter
- Marten Transport Ltd. MRTN$4.6 million last quarter
- Knife River Corp. KNF$4.1 million last quarter
- Xpo, Inc. XPO$3.9 million last quarter
- Ceco Environmental Corp. Com CECO$3.9 million last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Knight-Swift Transportation Holdings Inc. KNX | 200.0K | $15.6 million | 5.98% | +135.0K |
| J.B. Hunt Transport Services, Inc. JBHT | 44.0K | $12.7 million | 4.89% | +4.0K |
| Arcbest Corp. ARCB | 85.0K | $12.2 million | 4.69% | new |
| Axon Enterprise, Inc. AXON | 20.0K | $11.2 million | 4.31% | +10.0K |
| Clean Harbors Inc. CLH | 35.0K | $10.5 million | 4.02% | new |
| Tfi Intl Inc. TFII | 70.0K | $10.0 million | 3.86% | new |
| Covenant Logistics Group Inc. CVLG | 225.0K | $9.9 million | 3.82% | +90.0K |
| Eli Lilly & Co. LLY | 7.5K | $9.0 million | 3.46% | new |
| Floor & Decor Holdings, Inc. FND | 150.0K | $8.9 million | 3.42% | new |
| American Pub Ed Inc. APEI | 165.0K | $8.9 million | 3.40% | +15.0K |
| Cohu Inc. COHU | 115.0K | $8.5 million | 3.27% | -70.0K |
| Federal Signal Corp. FSS | 65.0K | $8.4 million | 3.21% | +15.0K |
| Casella Waste Systems Inc. CWST | 85.0K | $8.2 million | 3.17% | +20.0K |
| Advanced Energy Industries Inc. AEIS | 20.0K | $7.5 million | 2.86% | +5.0K |
| Ftai Aviation Ltd. FTAI | 27.5K | $7.4 million | 2.86% | new |
| Veeva Systems Inc. VEEV | 40.0K | $7.1 million | 2.73% | new |
| Seadrill Ltd. SDRL | 185.0K | $7.0 million | 2.69% | new |
| Republic Services, Inc. RSG | 32.5K | $6.9 million | 2.66% | new |
| MYR Group Inc. MYRG | 12.5K | $6.3 million | 2.40% | -2.5K |
| Guidewire Software, Inc. GWRE | 50.0K | $6.2 million | 2.36% | new |
| Canadian Natural Resources Limited CNQ | 150.0K | $5.9 million | 2.28% | new |
| Caci International Inc. CACI | 12.5K | $5.8 million | 2.22% | +7.0K |
| Align Technology Inc. ALGN | 33.0K | $5.6 million | 2.14% | new |
| Ranger Energy Svcs Inc. RNGR | 325.0K | $5.2 million | 2.00% | new |
| Landstar System Inc. LSTR | 25.0K | $5.2 million | 1.99% | new |
| A10 Networks, Inc. ATEN | 135.0K | $5.0 million | 1.94% | new |
| Boot Barn Holdings, Inc. BOOT | 30.0K | $4.9 million | 1.89% | +10.0K |
| Onto Innovation Inc. ONTO | 13.0K | $4.9 million | 1.89% | -17.0K |
| MKS Inc. MKSI | 11.0K | $4.9 million | 1.88% | new |
| Diamondback Energy, Inc. FANG | 25.0K | $4.4 million | 1.69% | +23.6K |
| Monolithic Power Systems, Inc. MPWR | 3.0K | $4.1 million | 1.59% | -1.0K |
| Micron Technology Inc. MU | 3.5K | $4.0 million | 1.55% | new |
| Comfort Systems USA Inc. FIX | 2.0K | $4.0 million | 1.52% | -2.0K |
| Turning PT Brands Inc. TPB | 45.0K | $3.8 million | 1.47% | -20.0K |
| Veeco Instruments Inc. VECO | 50.0K | $3.8 million | 1.46% | new |
| Ichor Holdings, Ltd. ICHR | 30.0K | $3.4 million | 1.29% | -70.0K |
| Kulicke & Soffa Industries Inc. KLIC | 22.5K | $3.0 million | 1.16% | -37.5K |