Chuck Royce's portfolio
In the Q3 2026 13F, filed November 9, 2026, Royce Investment Partners reported 781 US stock positions worth $11.0B. The largest was Quaker Chemical (KWR) at 1.2% of the portfolio. New positions: TriMas (TRS), RCBC (RCBC) and ADI GLOBAL DISTRIBUTION INC. (ADIG). Added to: Quaker Chemical (KWR) and Onto Innovation (ONTO). The Q4 2026 13F is due by February 14, 2027.
What changed in Q3 2026
Compared with the previous 13F. Values are as reported at quarter end. How to read a 13F.
New positions
Added to
- Quaker ChemicalKWR$137M
- Onto InnovationONTO$93M
- JBTMarelJBTM$84M
- KadantKAI$76M
- ESCO TechnologiesESE$75M
- MKSMKSI$74M
- Assured GuarantyAGO$73M
- Ufp IndustriesUFPI$71M
- FirstServiceFSV$71M
- Manhattan AssociatesMANH$71M
Trimmed
- ArcosaACA$102M
- Dorman ProductsDORM$92M
- InterparfumsIPAR$84M
- ExponentEXPO$81M
- ImaxIMAX$69M
- Marex GroupMRX$61M
- IngevityNGVT$61M
- EnproNPO$61M
- Digi InternationalDGII$57M
- CECO EnvironmentalCECO$57M
Sold out
None this quarter.
Holdings
781 US-listed positions in the Q3 2026 13F, largest first (top 50 shown; all of them in Investingly).
| Stock | % of portfolio | Value | Shares | Last quarter |
|---|---|---|---|---|
| Quaker ChemicalKWR | 1.25% | $137M | 867,789 | Added |
| Sei Invts | 0.98% | $107M | 1,044,269 | Held |
| ArcosaACA | 0.93% | $102M | 698,327 | Trimmed |
| Ies | 0.87% | $96M | 298,058 | Held |
| Onto InnovationONTO | 0.85% | $93M | 303,255 | Added |
| Dorman ProductsDORM | 0.84% | $92M | 753,771 | Trimmed |
| InterparfumsIPAR | 0.77% | $84M | 758,004 | Trimmed |
| JBTMarelJBTM | 0.76% | $84M | 792,467 | Added |
| ExponentEXPO | 0.74% | $81M | 1,239,063 | Trimmed |
| KadantKAI | 0.69% | $76M | 291,031 | Added |
| ESCO TechnologiesESE | 0.69% | $75M | 283,203 | Added |
| MKSMKSI | 0.67% | $74M | 278,246 | Added |
| Assured GuarantyAGO | 0.67% | $73M | 1,080,791 | Added |
| Ufp IndustriesUFPI | 0.65% | $71M | 921,930 | Added |
| FirstServiceFSV | 0.65% | $71M | 553,941 | Added |
| Manhattan AssociatesMANH | 0.64% | $71M | 355,306 | Added |
| ImaxIMAX | 0.62% | $69M | 1,251,603 | Trimmed |
| MSA SafetyMSA | 0.61% | $67M | 374,248 | Added |
| ValvolineVVV | 0.59% | $65M | 2,161,434 | Added |
| CohuCOHU | 0.59% | $65M | 953,463 | Added |
| Intl Gnrl Insurance Hldngs L | 0.57% | $63M | 2,575,051 | Held |
| Marex GroupMRX | 0.56% | $61M | 881,118 | Trimmed |
| IngevityNGVT | 0.56% | $61M | 863,539 | Trimmed |
| Cirrus LogicCRUS | 0.56% | $61M | 507,270 | Added |
| EnproNPO | 0.55% | $61M | 197,998 | Trimmed |
| ESABESAB | 0.54% | $59M | 901,466 | Added |
| Advance Auto PartsAAP | 0.54% | $59M | 1,525,705 | Added |
| LittelfuseLFUS | 0.53% | $58M | 136,060 | Added |
| Digi InternationalDGII | 0.52% | $57M | 754,265 | Trimmed |
| CECO EnvironmentalCECO | 0.52% | $57M | 822,918 | Trimmed |
| RBC BearingsRBC | 0.51% | $56M | 112,754 | Trimmed |
| Academy Sports OutdoorsASO | 0.50% | $54M | 1,131,420 | Added |
| AAONAAON | 0.48% | $53M | 642,995 | Added |
| Knowles CorKN | 0.46% | $51M | 1,367,602 | Added |
| Ultra CleanUCTT | 0.46% | $51M | 625,436 | Trimmed |
| Atmus Filtration TechnologiesATMU | 0.46% | $51M | 1,164,232 | Added |
| AvantorAVTR | 0.46% | $50M | 3,347,873 | Trimmed |
| Valmont Inds | 0.46% | $50M | 107,931 | Held |
| Element SolutionsESI | 0.45% | $49M | 1,349,457 | Trimmed |
| RLIRLI | 0.44% | $48M | 873,002 | Trimmed |
| RelianceRS | 0.43% | $47M | 122,432 | Trimmed |
| Trex CompanyTREX | 0.43% | $47M | 1,078,705 | Added |
| Simpson Manufacturing CompanySSD | 0.43% | $47M | 274,917 | Trimmed |
| M/I HomesMHO | 0.42% | $46M | 343,125 | Added |
| Korn FerryKFY | 0.42% | $46M | 644,967 | Trimmed |
| VontierVNT | 0.42% | $46M | 1,465,997 | Trimmed |
| LCI IndustriesLCII | 0.42% | $46M | 548,948 | Trimmed |
| Standard Mtr Prods | 0.41% | $45M | 1,222,500 | Held |
| Victory CapitalVCTR | 0.41% | $45M | 403,572 | Trimmed |
| SprottSII | 0.40% | $44M | 366,094 | Held |
By sector
Share of the reported value.
Reported value over time
Total 13F value at each quarter end.
Questions
What stocks does Chuck Royce own?
In the Q3 2026 13F, Royce Investment Partners reported 781 US stock positions worth $11.0B. The largest: Quaker Chemical (KWR) 1.2%, Sei Invts 1.0%, Arcosa (ACA) 0.9%, Ies 0.9%, Onto Innovation (ONTO) 0.9%.
What did Chuck Royce buy last quarter?
In Q3 2026: new position in TriMas (TRS); new position in RCBC (RCBC); new position in ADI GLOBAL DISTRIBUTION INC. (ADIG); added to Quaker Chemical (KWR); added to Onto Innovation (ONTO); added to JBTMarel (JBTM).
What did Chuck Royce sell last quarter?
In Q3 2026: cut Arcosa (ACA); cut Dorman Products (DORM); cut Interparfums (IPAR).
When is Chuck Royce's next 13F?
13F filings are due 45 days after each quarter ends. The Q4 2026 filing is due by February 14, 2027.
More investors
13F filings list US-listed long positions (and some options) held at quarter end. They leave out short positions, cash, bonds and non-US holdings, and arrive up to 45 days after the quarter ends, so the investor may have traded since. Information only, not investment advice.