Q3 2025 · 13F-HR
JANA Partners Management, LPholdings as filed
Filed 2025-11-14 · accession 0000902664-25-005066
$2.07B
Reported value
12
Positions
2025-09-30
Period end
The Brief · JANA Partners Management, LP · Q3 2025
AI · grounded in 13F
JANA Partners Management, LP established a new position in MRCY valued at $461.3M. The fund also initiated new stakes in LW for $290.9M and MKL for $281.8M. Additional new positions include SPY at $257.6M, COO at $166.9M, and TRMB at $153.6M. Total assets under management stand at $2.1B across 12 positions.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 589378108 | MRCY | MERCURY SYS INC | $461.3M | 22.3% | 5,959,481 | Common | SOLE |
| 513272104 | LW | LAMB WESTON HLDGS INC | $290.9M | 14.1% | 5,008,635 | Common | SOLE |
| 570535104 | MKL | MARKEL GROUP INC | $281.8M | 13.6% | 147,411 | Common | SOLE |
| 78462F103 | SPY | SPDR S&P 500 ETF TR | $257.6M | 12.5% | 386,637 | Common | SOLE |
| 216648501 | COO | COOPER COS INC | $166.9M | 8.08% | 2,434,607 | Common | SOLE |
| 896239100 | TRMB | TRIMBLE INC | $153.6M | 7.44% | 1,881,399 | Common | SOLE |
| 753422104 | RPD | RAPID7 INC | $121.9M | 5.90% | 6,502,108 | Common | SOLE |
| 89469A104 | THS | TREEHOUSE FOODS INC | $117.6M | 5.70% | 5,821,337 | Common | SOLE |
| 83001C108 | FUN | SIX FLAGS ENTERTAINMENT CORP | $92.0M | 4.45% | 4,049,940 | Common | SOLE |
| 358039105 | FRPT | FRESHPET INC | $57.8M | 2.80% | 1,048,136 | Common | SOLE |
| 01644J108 | ALKT | ALKAMI TECHNOLOGY INC | $47.0M | 2.28% | 1,892,413 | Common | SOLE |
| 29332G102 | EHABUSD | ENHABIT INC | $17.1M | 0.83% | 2,137,145 | Common | SOLE |
Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.