Engine Capital Management, LP
In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 17, 2026), Engine Capital Management, LP reported 28 stock positions worth $724.2 million. Its top holding was Avantor (AVTR) at 18.9% of the portfolio, followed by NCR Atleos (NATL, 13.6%) and Unifirst (UNF, 12.2%). Compared with Q3 2025, it opened 3 new positions, sold out of 2, added to 4 and reduced 7. The biggest buy was Unifirst (UNF, shares +641%) and the biggest sale Avantor (AVTR, shares −40%).
- Most Recent 13F
- Q2 2026
- Location
- NEW YORK, NY
- CIK
- 0001665590
- Portfolio Value
- $724.2M (Q4 2025)
- SEC Filing
- 0001665590-26-000002 ↗ filed Feb 17, 2026
Holdings Value
Holdings 28 stocks · $724.2M
| AVTR Avantor Inc. | 18.87% | 11,927,812 | $136.7M | Reduce -39.5% |
| NATL NCR Atleos Corp. | 13.58% | 2,581,525 | $98.4M | Add +7.2% |
| UNF Unifirst Corp. | 12.25% | 459,871 | $88.7M | Add +640.5% |
| SUNC Sunococorp LLC | 9.39% | 1,379,382 | $68.0M | New |
| OFIX Orthofix Medical Inc. | 8.90% | 4,252,921 | $64.5M | No change |
| NXST Nexstar Media Group Inc. | 5.59% | 199,247 | $40.5M | No change |
| MAGN Magnera Corp. | 4.69% | 2,243,827 | $34.0M | Reduce -17.0% |
| PRKS United Parks & Resorts Inc. | 4.29% | 856,397 | $31.1M | Add +96.2% |
| CVEO Civeo Corp. | 4.23% | 1,338,114 | $30.6M | No change |
| SONO Sonos Inc. | 3.05% | 1,256,060 | $22.1M | No change |
| CZR Caesars Entertainment Inc. | 2.70% | 835,231 | $19.5M | Reduce -8.1% |
| FVRR Fiverr International Ltd. | 2.05% | 750,424 | $14.8M | Add +20.3% |
| FOXF Fox Factory Holding Corp. | 1.82% | 772,422 | $13.2M | New |
| PHIN Phinia Inc. | 1.48% | 170,622 | $10.7M | No change |
| IWM iShares Russell 2000 ETF | 1.44% | 42,444 | $10.4M | Reduce -17.5% |
| CMP Compass Minerals Internation | 1.04% | 383,325 | $7.5M | New |
| MGM MGM Resorts International | 0.76% | 150,000 | $5.5M | No change |
| AOUT American Outdoor Brands Inc. | 0.70% | 656,329 | $5.1M | No change |
| KBR KBR Inc. | 0.69% | 124,567 | $5.0M | Reduce -88.5% |
| BCO The Brink's Co. | 0.66% | 41,074 | $4.8M | No change |
| ACHC Acadia Healthcare Co. Inc. | 0.64% | 328,833 | $4.7M | Reduce -87.3% |
| THS Treehouse Foods Inc. | 0.50% | 152,832 | $3.6M | No change |
| CIO City Office REIT Inc. | 0.22% | 231,020 | $1.6M | No change |
| CLDT Chatham Lodging Trust | 0.19% | 200,000 | $1.4M | No change |
| INN Summit Hotel Properties Inc. | 0.13% | 200,000 | $974K | No change |
| LAUR Laureate Education Inc. | 0.09% | 20,000 | $673K | Reduce -48.8% |
| EYE National Vision Holdings Inc. | 0.03% | 9,538 | $246K | No change |
| RMNI Rimini Street Inc. | 0.01% | 17,416 | $68K | No change |
Portfolio Sells Q3 2025 → Q4 2025
| AVTR Avantor Inc. | Reduce -39.5% | 18.87% | −10.35 |
| LNWO Light & Wonder Inc. | Sold out | 0.00% | −9.61 |
| ACHC Acadia Healthcare Co. Inc. | Reduce -87.3% | 0.64% | −6.96 |
| KBR KBR Inc. | Reduce -88.5% | 0.69% | −5.40 |
| CZR Caesars Entertainment Inc. | Reduce -8.1% | 2.70% | −0.22 |
| XRAY Dentsply Sirona Inc. | Sold out | 0.00% | −0.21 |
| LAUR Laureate Education Inc. | Reduce -48.8% | 0.09% | −0.05 |
| IWM iShares Russell 2000 ETF | Reduce -17.5% | 1.44% | −0.04 |
| MAGN Magnera Corp. | Reduce -17.0% | 4.69% | +0.93 |
Portfolio Buys Q3 2025 → Q4 2025
| UNF Unifirst Corp. | Add +640.5% | 12.25% | +11.02 |
| SUNC Sunococorp LLC | New | 9.39% | +9.39 |
| NATL NCR Atleos Corp. | Add +7.2% | 13.58% | +2.34 |
| FOXF Fox Factory Holding Corp. | New | 1.82% | +1.82 |
| PRKS United Parks & Resorts Inc. | Add +96.2% | 4.29% | +1.61 |
| CMP Compass Minerals Internation | New | 1.04% | +1.04 |
| FVRR Fiverr International Ltd. | Add +20.3% | 2.05% | +0.24 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 29 | $1.0B | AVTR, NATL, BCO, DNOW, EYE |
| Q1 2026 | 26 | $828.4M | AVTR, NATL, SUNC, DNOW, BCO |
| Q4 2025 | 28 | $724.2M | AVTR, NATL, UNF, SUNC, OFIX |
| Q3 2025 | 27 | $842.2M | AVTR, NATL, LNWO, ACHC, OFIX |
| Q2 2025 | 28 | $473.4M | AVTR, NATL, OFIX, KBR, NXST |
| Q1 2025 | 33 | $527.6M | OFIX, LKQ, NATL, EYE, MAGN |
| Q4 2024 | 36 | $546.8M | OFIX, NATL, LKQ, MAGN, FVRR |
| Q3 2024 | 38 | $577.0M | OFIX, UPWK, NATL, LAUR, CZR |
| Q2 2024 | 36 | $533.7M | RTX, OFIX, LAUR, MRC, NATL |
| Q1 2024 | 39 | $495.4M | RTX, MRC, OFIX, LAUR, DELL |