Featured 13F manager
JANA Partners Management, LP
New York, NY 14 processed 13Fs on this site · 2023 Q3–2026 Q2
- $1.9B
- 10 Positions
- 2026 Q2
- +18.4% QoQ
- Top 5 74.1%
Portfolio
top 5 74.1% · top 10 100.0%
- MRCY - Mercury Sys 25.5%
- COO - Cooper Cos 13.5%
- SPY 13.5%
- LW - Lamb Weston 12.2%
- FISV - Fiserv 9.4%
- MKL - Markel Group 7.9%
- ALKT - Alkami Technology 6.4%
- FUN - Six Flags Entertainment 4.6%
- PSTG - Pure Storage · CL A 4.1%
- RPD - Rapid7 2.9%
AUM over time
Book
| LW - Lamb Weston | 18.83% | Reduce −9.4% | 7,232,219 | $51.85 | $375M | −753,207 | −$51M |
| MRCY - Mercury Sys | 18.27% | Reduce −2.7% | 6,753,413 | $53.86 | $364M | −188,152 | +$65M |
| SPY - Spdr S&P 500 ETF Tr | 15.92% | Reduce −5.1% | 513,053 | $617.85 | $317M | −27,300 | +$15M |
| MKL - Markel Group | 15.19% | Reduce −2.9% | 151,432 | $1,997 | $302M | −4,590 | +$11M |
| TRMB - Trimble | 13.77% | Reduce −8.5% | 3,608,897 | $75.98 | $274M | −336,330 | +$15M |
| RPD - Rapid7 | 6.66% | Add +39.5% | 5,729,914 | $23.13 | $133M | +1,623,858 | +$24M |
| Treehouse Foods | 5.68% | Add +18.5% | 5,821,337 | $19.42 | $113M | +910,387 | −$20M |
| FRPT - Freshpet | 3.44% | Add +37.0% | 1,006,763 | $67.96 | $68M | +272,000 | +$7M |
| WEX | 1.21% | New | 164,029 | $146.89 | $24M | +164,029 | +$24M |
| Enhabit | 1.03% | Hold | 2,137,145 | $9.64 | $21M | — | — |
Exits / last held
not current holdings · last reported size, unchanged · gone vs 2025 Q1
| Stock | % of portfolio | Recent activity | Shares | Reported price* | Value | Share change | $ change |
|---|---|---|---|---|---|---|---|
| FIS - Fidelity Natl Info | 1.92% | Exit | 0 | $74.68 | $37M | −496,895 | −$37M |
Filings history
12 periods · normalized AUM · open a period for holdings
| Period | Holdings | AUM | QoQ | Form | Filed | Filing ID |
|---|---|---|---|---|---|---|
| 2026 Q2 | 10 | $1.9B | +18.4% | 13F-HR | 8/14/2026 | 000090266426003486 |
| 2026 Q1 | 1 | $62M | — | NEW HOLDINGS | 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 HOLDINGS | 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 Q3–2026 Q2