Institutional Manager · CIK 0001665590
Engine Capital Management, LP
NEW YORK, NY · File #028-17334
Latest AUM
$724.2M
Positions
28
Top-10 Concentration
84.8%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
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 |
|---|---|---|---|---|---|
| REDUCE | AVANTOR INC | AVTR | -7,792,618 | -$89.3M | -$20.1M |
| EXITED | LIGHT & WONDER INC | 80874P109 | -964,137 | -$80.9M | $0 |
| ADD | UNIFIRST CORP MASS | UNF | +397,772 | +$76.7M | +$1.6M |
| NEW | SUNOCOCORP LLC | SUNC | +1,379,382 | +$68.0M | $0 |
| REDUCE | KBR INC | KBR | -960,161 | -$38.6M | -$7.7M |
| REDUCE | ACADIA HEALTHCARE COMPANY IN | ACHC | -2,256,741 | -$32.0M | -$27.3M |
| ADD | UNITED PARKS & RESORTS INC | PRKS | +420,000 | +$15.2M | -$6.7M |
| NEW | FOX FACTORY HLDG CORP | FOXF | +772,422 | +$13.2M | $0 |
| NEW | COMPASS MINERALS INTL INC | COMP | +383,325 | +$7.5M | $0 |
| REDUCE | MAGNERA CORP | MAGN | -458,214 | -$6.9M | +$9.2M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202528 pos · $724.2M
- 13F HOLDINGS REPORTQ/E Sep 202527 pos · $842.2M
- 13F HOLDINGS REPORTQ/E Jun 202528 pos · $473.4M
- 13F HOLDINGS REPORTQ/E Mar 202533 pos · $527.6M
- 13F HOLDINGS REPORTQ/E Dec 202436 pos · $546.8M
- 13F HOLDINGS REPORTQ/E Sep 202438 pos · $577.0M
- 13F HOLDINGS REPORTQ/E Jun 202436 pos · $533.7M
- 13F HOLDINGS REPORTQ/E Mar 202439 pos · $495.4M
- 13F HOLDINGS REPORTQ/E Dec 202339 pos · $449.5M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | AVANTOR INC | AVTR | 11,927,812 | $136.7M | 18.87% |
| 2 | NCR ATLEOS CORPORATION | NATL | 2,581,525 | $98.4M | 13.58% |
| 3 | UNIFIRST CORP MASS | UNF | 459,871 | $88.7M | 12.25% |
| 4 | SUNOCOCORP LLC | SUNC | 1,379,382 | $68.0M | 9.39% |
| 5 | ORTHOFIX MED INC | OFIX | 4,252,921 | $64.5M | 8.90% |
| 6 | NEXSTAR MEDIA GROUP INC | NXST | 199,247 | $40.5M | 5.59% |
| 7 | MAGNERA CORP | MAGN | 2,243,827 | $34.0M | 4.69% |
| 8 | UNITED PARKS & RESORTS INC | PRKS | 856,397 | $31.1M | 4.29% |
| 9 | CIVEO CORP CDA | CVEO | 1,338,114 | $30.6M | 4.23% |
| 10 | SONOS INC | SONO | 1,256,060 | $22.1M | 3.05% |
| 11 | CAESARS ENTERTAINMENT INC NE | 12769G100 | 835,231 | $19.5M | 2.70% |
| 12 | FIVERR INTL LTD | M4R82T106 | 750,424 | $14.8M | 2.05% |
| 13 | FOX FACTORY HLDG CORP | FOXF | 772,422 | $13.2M | 1.82% |
| 14 | PHINIA INC | PHIN | 170,622 | $10.7M | 1.48% |
| 15 | ISHARES TR | 464287655 | 42,444 | $10.4M | 1.44% |
| 16 | COMPASS MINERALS INTL INC | COMP | 383,325 | $7.5M | 1.04% |
| 17 | MGM RESORTS INTERNATIONAL | MGM | 150,000 | $5.5M | 0.76% |
| 18 | AMERICAN OUTDOOR BRANDS INC | AOUT | 656,329 | $5.1M | 0.70% |
| 19 | KBR INC | KBR | 124,567 | $5.0M | 0.69% |
| 20 | BRINKS CO | BCO | 41,074 | $4.8M | 0.66% |