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
| Holding | 14.67% | Reduce −1.5% | 9,577,733 | $26.18 | $251M | −144,343 | +$13M |
| SPY - Spdr S&P 500 ETF Tr | 13.97% | Reduce −35.5% | 438,933 | $544.22 | $239M | −241,800 | −$117M |
| FIS - Fidelity Natl Info | 13.85% | Reduce −8.6% | 3,142,615 | $75.36 | $237M | −296,199 | −$18M |
| TRMB - Trimble | 13.66% | Add +11.1% | 4,177,544 | $55.92 | $234M | +416,469 | −$8M |
| MRCY - Mercury Sys | 10.93% | Hold | 6,924,896 | $26.99 | $187M | — | — |
| Treehouse Foods | 10.52% | Add +0.1% | 4,910,950 | $36.64 | $180M | +3,261 | −$11M |
| Wolfspeed | 8.21% | Add +35.3% | 6,165,933 | $22.76 | $140M | +1,608,052 | +$6M |
| RPD - Rapid7 | 6.89% | New | 2,724,386 | $43.23 | $118M | +2,724,386 | +$118M |
| BL - Blackline | 3.27% | New | 1,154,435 | $48.45 | $56M | +1,154,435 | +$56M |
| QDEL - Quidelortho | 1.99% | Reduce −14.2% | 1,026,413 | $33.22 | $34M | −169,387 | −$23M |
| Enhabit | 1.09% | Hold | 2,081,077 | $8.92 | $19M | — | — |
| FTRE - Fortrea | 0.94% | New | 690,000 | $23.34 | $16M | +690,000 | +$16M |
Exits / last held
not current holdings · last reported size, unchanged · gone vs 2024 Q1
| Stock | % of portfolio | Recent activity | Shares | Reported price* | Value | Share change | $ change |
|---|---|---|---|---|---|---|---|
| FRPT - Freshpet | 6.92% | Exit | 0 | $115.86 | $127M | −1,093,477 | −$127M |
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