Institutional Manager · CIK 0001938268
4D Advisors, LLC
REDONDO BEACH, CA · File #028-25303
Latest AUM
$182.5M
Positions
37
Top-10 Concentration
41.0%
Filings
5
Portfolio Value Over Time
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| EXITED | U S PHYSICAL THERAPY | 90337L108 | -110,000 | -$9.3M | $0 |
| NEW | CASELLA WASTE SYS INC | CWST | +95,000 | +$9.3M | $0 |
| EXITED | VEEVA SYS INC | 922475108 | -25,000 | -$7.4M | $0 |
| NEW | CARLISLE COS INC | 142339100 | +20,000 | +$6.4M | $0 |
| REDUCE | ONTO INNOVATION INC | ONTO | -40,000 | -$6.3M | +$2.0M |
| NEW | CALIX INC | CALX | +115,000 | +$6.1M | $0 |
| EXITED | VEECO INSTRS INC DEL | 922417100 | -200,000 | -$6.1M | $0 |
| NEW | ACV AUCTIONS INC | ACVA | +750,000 | +$6.0M | $0 |
| EXITED | GUIDEWIRE SOFTWARE INC | 40171V100 | -25,000 | -$5.7M | $0 |
| NEW | DAVE INC | 23834J201 | +25,000 | +$5.5M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202537 pos · $182.5M
- 13F HOLDINGS REPORTQ/E Sep 202533 pos · $187.8M
- 13F HOLDINGS REPORTQ/E Jun 202534 pos · $186.0M
- 13F HOLDINGS REPORTQ/E Mar 202532 pos · $128.7M
- 13F HOLDINGS REPORTQ/E Dec 202435 pos · $143.5M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | TURNING PT BRANDS INC | 90041L105 | 115,000 | $12.5M | 6.83% |
| 2 | CASELLA WASTE SYS INC | CWST | 95,000 | $9.3M | 5.10% |
| 3 | FEDERAL SIGNAL CORP | FSS | 70,000 | $7.6M | 4.17% |
| 4 | AXON ENTERPRISE INC | AXON | 12,500 | $7.1M | 3.89% |
| 5 | FAIR ISAAC CORP | FICO | 4,000 | $6.8M | 3.71% |
| 6 | AMERICAN PUB ED INC | 02913V103 | 175,000 | $6.6M | 3.63% |
| 7 | CELSIUS HLDGS INC | CELH | 140,000 | $6.4M | 3.51% |
| 8 | CARLISLE COS INC | 142339100 | 20,000 | $6.4M | 3.51% |
| 9 | CALIX INC | CALX | 115,000 | $6.1M | 3.34% |
| 10 | ACV AUCTIONS INC | ACVA | 750,000 | $6.0M | 3.30% |
| 11 | SUPER GROUP SGHC LIMITED | SGHC | 500,000 | $6.0M | 3.27% |
| 12 | DAVE INC | 23834J201 | 25,000 | $5.5M | 3.03% |
| 13 | NEWMONT CORP | NEMCL | 50,000 | $5.0M | 2.74% |
| 14 | ONTO INNOVATION INC | ONTO | 30,000 | $4.7M | 2.60% |
| 15 | COMFORT SYS USA INC | 199908104 | 5,000 | $4.7M | 2.56% |
| 16 | COHU INC | COHU | 200,000 | $4.7M | 2.55% |
| 17 | UNIVERSAL TECHNICAL INST INC | UTI | 175,000 | $4.6M | 2.51% |
| 18 | LINCOLN EDL SVCS CORP | 533535100 | 185,000 | $4.5M | 2.45% |
| 19 | DINE BRANDS GLOBAL INC | DIN | 135,000 | $4.3M | 2.38% |
| 20 | KADANT INC | KAI | 15,000 | $4.3M | 2.34% |