JANA Partners Management
Latest statistics and disclosures from JANA Partners Management's latest quarterly 13F-HR filing:
- Top 5 stock holdings are MRCY, COO, SPY, LW, MKL, and represent 67.74% of JANA Partners Management's stock portfolio.
- Added to shares of these 6 stocks: FI (+$151M), COO (+$89M), ALKT (+$69M), RPD, SPY, FUN.
- Started 1 new stock position in FI.
- Reduced shares in these 5 stocks: TRMB (-$154M), MKL (-$142M), MRCY (-$73M), FRPT (-$30M), EHAB.
- Sold out of its position in TRMB.
- JANA Partners Management was a net seller of stock by $-82M.
- JANA Partners Management has $1.9B in assets under management (AUM), dropping by -6.96%.
- Central Index Key (CIK): 0001998597
Tip: Access up to 7 years of quarterly data
Positions held by JANA Partners Management consolidated in one spreadsheet with up to 7 years of data
Download as csv
Download as Excel
Portfolio Holdings for JANA Partners Management
JANA Partners Management holds 12 positions in its portfolio as reported in the December 2025 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price | |
|---|---|---|---|---|---|---|
| Mercury Computer Systems (MRCY) | 18.8 | $362M | -16% | 5.0M | 73.01 |
|
| Cooper Cos (COO) | 15.0 | $289M | +44% | 3.5M | 81.96 |
|
| Spdr S&p 500 Etf Tr Tr Unit (SPY) | 13.9 | $267M | 391k | 681.92 |
|
|
| Lamb Weston Hldgs (LW) | 10.9 | $210M | 5.0M | 41.89 |
|
|
| Markel Corporation (MKL) | 9.1 | $175M | -44% | 81k | 2149.65 |
|
| Fiserv (FI) | 7.8 | $151M | NEW | 2.2M | 67.17 |
|
| TreeHouse Foods (THS) | 7.1 | $137M | 5.8M | 23.59 |
|
|
| Alkami Technology (ALKT) | 5.9 | $113M | +158% | 4.9M | 23.07 |
|
| Rapid7 (RPD) | 5.3 | $103M | +3% | 6.7M | 15.20 |
|
| Six Flags Entertainment Corp (FUN) | 3.3 | $63M | 4.1M | 15.34 |
|
|
| Freshpet (FRPT) | 1.8 | $34M | -46% | 557k | 60.93 |
|
| Enhabit Ord (EHAB) | 1.0 | $19M | -2% | 2.1M | 9.22 |
|
Past Filings by JANA Partners Management
SEC 13F filings are viewable for JANA Partners Management going back to 2023
- JANA Partners Management 2025 Q4 filed Feb. 17, 2026
- JANA Partners Management 2025 Q3 filed Nov. 14, 2025
- JANA Partners Management 2025 Q2 filed Aug. 14, 2025
- JANA Partners Management 2025 Q1 filed May 15, 2025
- JANA Partners Management 2024 Q4 filed Feb. 14, 2025
- JANA Partners Management 2024 Q3 filed Nov. 14, 2024
- JANA Partners Management 2024 Q2 filed Aug. 14, 2024
- JANA Partners Management 2024 Q1 filed May 15, 2024
- JANA Partners Management 2023 Q4 filed Feb. 14, 2024
- JANA Partners Management 2023 Q3 amended filed Nov. 16, 2023
- JANA Partners Management 2023 Q3 filed Nov. 14, 2023