JANA Partners Management, LP
New York, NY 14 processed 13Fs on this site, 2023 Q3 to 2026 Q2
- $1.9B
- 10 holdings
- 2026 Q2
- +18.4% QoQ
- Top 5 74.1%
AUM over time
Book
| MRCY, Mercury Systems | Reduce −11.8% | 5,959,481 | $77.40 | $461M | −793,932 | +$98M | |
| LW, Lamb Weston | Reduce −30.7% | 5,008,635 | $58.08 | $291M | −2,223,584 | −$84M | |
| MKL, Markel Group | Reduce −2.7% | 147,411 | $1,911 | $282M | −4,021 | −$21M | |
| SPY, SPDR S&P 500 ETF Trust | Reduce −24.6% | 386,637 | $666.18 | $258M | −126,416 | −$59M | |
| COO, Cooper Companies | New | 2,434,607 | $68.56 | $167M | +2,434,607 | +$167M | |
| TRMB, Trimble | Reduce −47.9% | 1,881,399 | $81.65 | $154M | −1,727,498 | −$121M | |
| RPD, Rapid7 | Add +13.5% | 6,502,108 | $18.75 | $122M | +772,194 | −$11M | |
| Treehouse Foods | Hold | 5,821,337 | $20.21 | $118M | — | — | |
| FUN, Six Flags Entertainment | New | 4,049,940 | $22.72 | $92M | +4,049,940 | +$92M | |
| FRPT, Freshpet | Add +4.1% | 1,048,136 | $55.11 | $58M | +41,373 | −$11M | |
| ALKT, Alkami Technology | New | 1,892,413 | $24.84 | $47M | +1,892,413 | +$47M | |
| Enhabit | Hold | 2,137,145 | $8.01 | $17M | — | — |
Exits / last held
Gone since 2025 Q2, shown at their last reported size.
| Stock | % of portfolio | Recent activity | Shares | Reported price* | Value | Share change | $ change |
|---|---|---|---|---|---|---|---|
| WEX | Exit | 0 | $146.89 | $24M | −164,029 | −$24M |
Filings history
12 periods, with AUM normalized
| Period | Holds | AUM | QoQ | Form | Filed | Filing ID |
|---|---|---|---|---|---|---|
| 2026 Q2 | 10 | $1.9B | +18.4% | 13F-HR | 8/14/2026 | 000090266426003486 |
| 2026 Q1 | 1 | $62M | — | new holds | 6/30/2026 | 000090266426002957 |
| 2026 Q1 | 10 | $1.6B | −16.4% | 13F-HR | 5/15/2026 | 000090266426002515 |
| 2025 Q4 | 12 | $1.9B | −6.9% | 13F-HR | 2/17/2026 | 000090266426001069 |
| 2025 Q3 | 12 | $2.1B | +3.7% | 13F-HR | 11/14/2025 | 000090266425005066 |
| 2025 Q2 | 10 | $2B | +2.8% | 13F-HR | 8/14/2025 | 000090266425003587 |
| 2025 Q1 | 10 | $1.9B | −4.7% | 13F-HR | 5/15/2025 | 000090266425002348 |
| 2024 Q4 | 11 | $2B | +5.6% | 13F-HR | 2/14/2025 | 000090266425001058 |
| 2024 Q3 | 12 | $1.9B | +12.6% | 13F-HR | 11/14/2024 | 000090266424006510 |
| 2024 Q2 | 12 | $1.7B | −6.6% | 13F-HR | 8/14/2024 | 000090266424005100 |
| 2024 Q1 | 10 | $1.8B | +18.1% | 13F-HR | 5/15/2024 | 000090266424003586 |
| 2023 Q4 | 8 | $1.5B | +13.4% | 13F-HR | 2/14/2024 | 000090266424001588 |
| 2023 Q3 | 1 | $36M | — | new holds | 11/16/2023 | 000090266423005626 |
| 2023 Q3 | 8 | $1.4B | — | 13F-HR | 11/14/2023 | 000090266423005550 |
About
JANA Partners Management, LP
14 processed 13Fs on this site, 2023 Q3 to 2026 Q2