Jana Partners Management, Lp Portfolio Stock Holdings
According to the SEC 13F filed on August 14, 2026, Jana Partners Management, Lp disclosed 10 stock positions valued at approximately $1.90B as of quarter-end June 30, 2026. The largest holdings include MERCURY SYS INC, COOPER COS INC, and STATE STR SPDR S&P 500 ETF T.
- Report Period
- June 30, 2026
- No. of Stocks
- 10
- Portfolio Value
- $1.90B
Holdings by Sector
Jana Partners Management, Lp Portfolio Holdings in Q2 2026
| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| MERCURY SYS INC | MRCY | Industrials | 25.46% | 3,958,849 | -1,000,632 | -20.18% | $484,285,998 |
| COOPER COS INC | COO | Healthcare | 13.50% | 3,582,480 | +62,860 | +1.79% | $256,899,641 |
| STATE STR SPDR S&P 500 ETF T | SPY | Other | 13.46% | 342,965 | -48,372 | -12.36% | $256,115,973 |
| LAMB WESTON HLDGS INC | LW | Consumer Defensive | 12.25% | 5,394,635 | +386,000 | +7.71% | $232,940,339 |
| FISERV INC | FI | Technology | 9.44% | 3,662,080 | +1,416,560 | +63.08% | $179,625,024 |
| MARKEL GROUP INC | MKL | Financial Services | 7.88% | 76,743 | -4,476 | -5.51% | $149,879,846 |
| ALKAMI TECHNOLOGY INC | ALKT | Technology | 6.43% | 6,747,707 | +1,853,042 | +37.86% | $122,268,451 |
| SIX FLAGS ENTERTAINMENT CORP | FUN | Other | 4.61% | 4,116,099 | - | - | $87,672,909 |
| EVERPURE INC | PSTG | Technology | 4.10% | 989,196 | -53,100 | -5.09% | $77,938,753 |
| RAPID7 INC | RPD | Technology | 2.87% | 6,749,936 | +6,283 | +0.09% | $54,674,482 |
Showing 10 of 10 holdings in the latest reporting period.