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
| TRMB - Trimble | 15.73% | Add +16.8% | 4,880,944 | $62.09 | $303M | +703,400 | +$69M |
| SPY - Spdr S&P 500 ETF Tr | 14.27% | Add +9.1% | 478,963 | $573.76 | $275M | +40,030 | +$36M |
| MRCY - Mercury Sys | 13.33% | Add +0.2% | 6,941,565 | $37.00 | $257M | +16,669 | +$70M |
| LW - Lamb Weston | 11.85% | New | 3,526,754 | $64.74 | $228M | +3,526,754 | +$228M |
| Treehouse Foods | 10.70% | Hold | 4,910,950 | $41.98 | $206M | — | — |
| RPD - Rapid7 | 7.57% | Add +34.2% | 3,655,540 | $39.89 | $146M | +931,154 | +$28M |
| Holding | 7.21% | Reduce −59.2% | 3,910,213 | $35.53 | $139M | −5,667,520 | −$112M |
| FIS - Fidelity Natl Info | 6.90% | Reduce −49.5% | 1,586,929 | $83.75 | $133M | −1,555,686 | −$104M |
| Wolfspeed | 3.10% | Hold | 6,165,933 | $9.70 | $60M | — | — |
| Enhabit | 0.88% | Add +2.7% | 2,137,145 | $7.90 | $17M | +56,068 | −$2M |
| FTRE - Fortrea | 0.72% | Add +0.3% | 692,408 | $20.00 | $14M | +2,408 | −$2M |
Exits / last held
not current holdings · last reported size, unchanged · gone vs 2024 Q2
| Stock | % of portfolio | Recent activity | Shares | Reported price* | Value | Share change | $ change |
|---|---|---|---|---|---|---|---|
| BL - Blackline | 3.27% | Exit | 0 | $48.45 | $56M | −1,154,435 | −$56M |
| QDEL - Quidelortho | 1.99% | Exit | 0 | $33.22 | $34M | −1,026,413 | −$34M |
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