JANA
JANA Partners Management
CIK: 0001998597 · Filing period: 2025-12-31
Bold Strategists
An activist fund that pushes companies to sell themselves, split up, or shape up — often successfully.
1.1×
Trust Weight
12
Positions
0
In our model
1
New
3
Increasing
4
Decreasing
4
Unchanged
Recent Moves
What JANA Partners Management opened, added to, or trimmed in their latest 13F — 5 position changes
Top 10 positions (% of portfolio)
Sector breakdown
All Holdings
12 positions, sorted by portfolio weight
← swipe to see all columns
| # | Company | Ticker | Sector | % of Portfolio | Activity | Change |
|---|---|---|---|---|---|---|
| 1 | MERCURY SYS INC | — | Other | 18.8% | ▼ Decreasing | -17% |
| 2 | COOPER COS INC | — | Other | 15.0% | ▲ Increasing | +45% |
| 3 | SPDR S&P 500 ETF TR | — | ETF | 13.9% | — Unchanged | +1% |
| 4 | LAMB WESTON HLDGS INC | — | Other | 10.9% | — Unchanged | — |
| 5 | MARKEL GROUP INC | — | Other | 9.1% | ▼ Decreasing | -45% |
| 6 | FISERV INC | FISV | Other | 7.8% | ● New | NEW |
| 7 | TREEHOUSE FOODS INC | — | Other | 7.2% | — Unchanged | — |
| 8 | ALKAMI TECHNOLOGY INC | — | Other | 5.9% | ▲ Increasing | +159% |
| 9 | RAPID7 INC | — | Other | 5.3% | ▲ Increasing | +4% |
| 10 | SIX FLAGS ENTERTAINMENT CORP | — | Other | 3.3% | — Unchanged | +2% |
| 11 | FRESHPET INC | — | Other | 1.8% | ▼ Decreasing | -47% |
| 12 | ENHABIT INC | — | Other | 1.0% | ▼ Decreasing | -2% |
⚠ Disclaimer: Holdings data from SEC EDGAR 13F filings for JANA Partners Management, delayed up to 135 days after quarter-end. This is not investment advice. The investor may have already changed these positions.
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