Jana Partners Management, Lp Portfolio Stock Holdings
Jana Partners Management, Lp disclosed 10 stock positions valued at approximately $1.6 billion in its latest SEC 13F filing. The largest holdings include MERCURY SYS INC, COOPER COS INC, and FISERV INC. The filing reflects positions held as of March 31, 2026 and was filed on May 15, 2026.
- Report Period
- March 31, 2026
- No. of Stocks
- 10
- Portfolio Value
- $1.6B
Holdings by Sector
Jana Partners Management, Lp Portfolio Holdings in Q1 2026
9 holdings in the latest reporting period.
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| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| MERCURY SYS INC | MRCY | Industrials | 18.65% | 4,107,424 | -852,057 | -17.18% | $299,472,284 |
| COOPER COS INC | COO | Healthcare | 15.87% | 3,565,158 | +45,538 | +1.29% | $254,908,797 |
| FISERV INC | FI | Technology | 15.41% | 4,435,605 | +2,190,085 | +97.53% | $247,506,759 |
| STATE STR SPDR S&P 500 ETF T | SPY | Other | 13.92% | 343,665 | -47,672 | -12.18% | $223,499,096 |
| LAMB WESTON HLDGS INC | LW | Consumer Defensive | 13.18% | 5,008,635 | - | - | $211,664,915 |
| MARKEL GROUP INC | MKL | Financial Services | 8.98% | 75,307 | -5,912 | -7.28% | $144,142,869 |
| ALKAMI TECHNOLOGY INC | ALKT | Technology | 5.30% | 5,431,388 | +536,723 | +10.97% | $85,109,850 |
| RAPID7 INC | RPD | Technology | 2.31% | 6,743,653 | - | - | $37,157,528 |
| ENHABIT INC | EHAB | Healthcare | 1.83% | 2,090,412 | - | - | $29,453,905 |