JANA Partners Management, LP
Top Portfolio Positions
10 positions ·
$1,605,976,750 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| MRCY |
Mercury Systems Inc
Industrials
|
4,107,424 | $299,472,283 | 18.65% | |
| COO |
Cooper Companies, Inc.
Healthcare
|
3,565,158 | $254,908,797 | 15.87% | |
| FISV |
Fiserv Inc
|
4,435,605 | $247,506,759 | 15.41% | |
| SPY |
Spdr S&P 500 ETF Trust
|
343,665 | $223,499,096 | 13.92% | |
| LW |
Lamb Weston Holdings, Inc.
Consumer Defensive
|
5,008,635 | $211,664,915 | 13.18% | |
| MKL |
Markel Group Inc.
Financial Services
|
75,307 | $144,142,861 | 8.98% | |
| ALKT |
Alkami Technology, Inc.
Technology
|
5,431,388 | $85,109,849 | 5.30% | |
| FUN |
Six Flags Entertainment Corporation/NEW
Consumer Cyclical
|
4,116,099 | $73,060,757 | 4.55% | |
| RPD |
Rapid7, Inc.
Technology
|
6,743,653 | $37,157,528 | 2.31% | |
| EHAB |
Enhabit, Inc.
Healthcare
|
2,090,412 | $29,453,905 | 1.83% |
Portfolio Trend
10 quarters · across all stocks
Holdings in RPD
Shares Held
Position Value (USD)
14 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $37,157,528 | 6,743,653 | Shares | Sole | 2026-05-15 | |
| 2026-03-26 | $38,532,849 | 6,760,149 | Shares | Sole | 2026-03-30 | |
| 2025-12-31 | $102,503,525 | 6,743,653 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $121,914,525 | 6,502,108 | Shares | Sole | 2025-11-14 | |
| 2025-08-11 | $122,354,197 | 6,518,604 | Shares | Sole | 2025-08-13 | |
| 2025-06-30 | $132,532,910 | 5,729,914 | Shares | Sole | 2025-08-14 | |
| 2025-04-20 | $115,557,057 | 5,122,210 | Shares | Sole | 2025-04-21 | |
| 2025-04-08 | $113,319,929 | 4,939,840 | Shares | Sole | 2025-04-10 | |
| 2025-03-31 | $108,851,544 | 4,106,056 | Shares | Sole | 2025-05-15 | |
| 2025-03-21 | $109,410,528 | 3,867,463 | Shares | Sole | 2025-03-24 | |
| 2025-03-11 | $101,626,152 | 3,690,129 | Shares | Sole | 2025-03-13 | |
| 2024-12-31 | $148,453,889 | 3,690,129 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $145,819,490 | 3,655,540 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $117,775,206 | 2,724,386 | Shares | Sole | 2024-08-14 | |
| No 13F history on record for this holder in this stock. | ||||||