Engine Capital Management, LP — 13F Holdings & Portfolio
CIK 1665590 · latest 13F-HR filed 2026-05-15
Engine Capital Management, LP manages $828.4M in 13F-reported U.S. long-equity assets across 26 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are AVTR (18.72%), NATL (13.58%), SUNC (7.59%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 3 new positions, exited 5, added to 10, and trimmed 11.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$828.4M
Long-equity book
26
Distinct positions
2026-03-31
Filed 2026-05-15
+3 / −5 / ↑10 / ↓11
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- BRINKS CO$52.1M +1087.5%
- KBR INC$51.4M +1027.2%
- COMPASS MINERALS INTL INC$26.1M +346.3%
- FOX FACTORY HLDG CORP$20.1M +152.4%
- AVANTOR INC$18.4M +13.5%
Top Trims
- UNIFIRST CORP MASS-$70.1M -79.0%
- ORTHOFIX MED INC-$14.1M -21.9%
- MAGNERA CORP-$12.6M -37.2%
- CIVEO CORP CDA-$7.5M -24.4%
- SONOS INC-$5.2M -23.7%
Exited Positions
- CAESARS ENTERTAINMENT INC NE$19.5M
- ACADIA HEALTHCARE COMPANY IN$4.7M
- TREEHOUSE FOODS INC$3.6M
- CITY OFFICE REIT INC$1.6M
- LAUREATE EDUCATION INC$673.4K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | AVANTOR INC | AVTR | 05352A100 | $155.1M | 18.72% | 19,780,830 | SH |
| 2 | NCR ATLEOS CORPORATION | NATL | 63001N106 | $112.5M | 13.58% | 2,581,525 | SH |
| 3 | SUNOCOCORP LLC | SUNC | 86765Q106 | $62.9M | 7.59% | 1,019,854 | SH |
| 4 | DNOW INC | DNOW | 67011P100 | $61.5M | 7.43% | 5,165,862 | SH |
| 5 | BRINKS CO | BCO | 109696104 | $56.9M | 6.87% | 549,417 | SH |
| 6 | KBR INC | KBR | 48242W106 | $56.4M | 6.81% | 1,531,313 | SH |
| 7 | ORTHOFIX MED INC | OFIX | 68752M108 | $50.4M | 6.08% | 4,390,779 | SH |
| 8 | NEXSTAR MEDIA GROUP INC | NXST | 65336K103 | $36.0M | 4.35% | 199,247 | SH |
| 9 | UNITED PARKS & RESORTS INC | PRKS | 81282V100 | $33.8M | 4.08% | 1,034,414 | SH |
| 10 | COMPASS MINERALS INTL INC | CMP | 20451N101 | $33.6M | 4.06% | 1,439,065 | SH |
| 11 | FOX FACTORY HLDG CORP | FOXF | 35138V102 | $33.4M | 4.03% | 2,026,230 | SH |
| 12 | CIVEO CORP CDA | CVEO | 17878Y207 | $23.1M | 2.79% | 874,476 | SH |
| 13 | MAGNERA CORP | MAGN | 55939A107 | $21.3M | 2.58% | 2,243,827 | SH |
| 14 | UNIFIRST CORP MASS | UNF | 904708104 | $18.6M | 2.25% | 74,040 | SH |
| 15 | SONOS INC | SONO | 83570H108 | $16.8M | 2.03% | 1,256,060 | SH |
| 16 | FIVERR INTL LTD | FVRR | M4R82T106 | $13.4M | 1.62% | 1,338,644 | SH |
| 17 | PHINIA INC | PHIN | 71880K101 | $11.7M | 1.41% | 170,622 | SH |
| 18 | ISHARES TR | IWM | 464287655 | $10.5M | 1.27% | 42,444 | SH |
| 19 | AMERICAN OUTDOOR BRANDS INC | AOUT | 02875D109 | $6.1M | 0.74% | 656,329 | SH |
| 20 | WEAVE COMMUNICATIONS INC | WEAV | 94724R108 | $4.9M | 0.59% | 1,051,525 | SH |
| 21 | MGM RESORTS INTERNATIONAL | MGM | 552953101 | $3.7M | 0.45% | 100,000 | SH |
| 22 | BIOVENTUS INC | BVS | 09075A108 | $2.9M | 0.35% | 315,018 | SH |
| 23 | CHATHAM LODGING TR | CLDT | 16208T102 | $1.6M | 0.19% | 200,000 | SH |
| 24 | SUMMIT HOTEL PPTYS | INN | 866082100 | $884.0K | 0.11% | 200,000 | SH |
| 25 | NATIONAL VISION HLDGS INC | EYE | 63845R107 | $247.0K | 0.03% | 9,538 | SH |
| 26 | RIMINI STR INC DEL | RMNI | 76674Q107 | $57.1K | 0.01% | 17,416 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-15 | $828.4M | 26 | 0001665590-26-000004 |
| 2025-12-31 | 2026-02-17 | $724.2M | 28 | 0001665590-26-000002 |
| 2025-09-30 | 2025-11-14 | $842.2M | 27 | 0001665590-25-000014 |