JANA Partners Management, LP

In its 13F for Q2 2024 (holdings as of June 30, 2024, filed August 14, 2024), JANA Partners Management, LP reported 12 stock positions worth $1.7 billion. Its top holding was Frontier Communications Pare (FYBR) at 14.7% of the portfolio, followed by SS SPDR S&P 500 ETF Trust-US (SPY, 14.0%) and Fidelity National Info Serv (FIS, 13.9%). Compared with Q1 2024, it opened 3 new positions, sold out of 1, added to 3 and reduced 4. The biggest buy was a new position in RAPID7 (RPD) and the biggest sale an exit from Freshpet (FRPT).

Most Recent 13F
Q2 2026
Location
NEW YORK, NY
CIK
0001998597
Portfolio Value
$1.7B (Q2 2024)
SEC Filing
0000902664-24-005100 ↗ filed Aug 14, 2024

Holdings Value

0$500.0M$1.0B$1.5B$2.0B$2.5B Q1 2024: $1.8B Q1 2024 Q2 2024: $1.7B $1.7B Q2 2024 Q3 2024: $1.8B Q3 2024 Q4 2024: $1.9B Q4 2024 Q1 2025: $1.9B Q1 2025 Q2 2025: $2.0B Q2 2025 Q3 2025: $2.1B Q3 2025 Q4 2025: $1.9B Q4 2025 Q1 2026: $1.7B Q1 2026 Q2 2026: $1.9B Q2 2026

Holdings 12 stocks · $1.7B
FYBR Frontier Communications Pare 14.67% 9,577,733 $250.7M Reduce -1.5%
SPY SS SPDR S&P 500 ETF Trust-US 13.97% 438,933 $238.9M Reduce -35.5%
FIS Fidelity National Info Serv 13.85% 3,142,615 $236.8M Reduce -8.6%
TRMB Trimble Inc. 13.66% 4,177,544 $233.6M Add +11.1%
MRCY Mercury Systems Inc. 10.93% 6,924,896 $186.9M No change
THS Treehouse Foods Inc. 10.52% 4,910,950 $179.9M Add +0.1%
WOLF Wolfspeed Inc. 8.21% 6,165,933 $140.3M Add +35.3%
RPD RAPID7 Inc. 6.89% 2,724,386 $117.8M New
BL Blackline Inc. 3.27% 1,154,435 $55.9M New
QDEL Quidelortho Corp. 1.99% 1,026,413 $34.1M Reduce -14.2%
EHAB Enhabit Inc. 1.09% 2,081,077 $18.6M No change
FTRE Fortrea Holdings Inc. 0.94% 690,000 $16.1M New

Portfolio Sells Q1 2024 → Q2 2024
FRPT Freshpet Inc. Sold out 0.00% −6.92
SPY SS SPDR S&P 500 ETF Trust-US Reduce -35.5% 13.97% −5.49
QDEL Quidelortho Corp. Reduce -14.2% 1.99% −1.14
FIS Fidelity National Info Serv Reduce -8.6% 13.85% −0.09
FYBR Frontier Communications Pare Reduce -1.5% 14.67% +1.65

Portfolio Buys Q1 2024 → Q2 2024
RPD RAPID7 Inc. New 6.89% +6.89
BL Blackline Inc. New 3.27% +3.27
FTRE Fortrea Holdings Inc. New 0.94% +0.94
WOLF Wolfspeed Inc. Add +35.3% 8.21% +0.86
TRMB Trimble Inc. Add +11.1% 13.66% +0.43
THS Treehouse Foods Inc. Add +0.1% 10.52% +0.08

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 10$1.9BMRCY, COO, SPY, LW, FISV
Q1 2026Amended 11$1.7BMRCY, COO, FISV, SPY, LW
Q4 2025 12$1.9BMRCY, COO, SPY, LW, MKL
Q3 2025 12$2.1BMRCY, LW, MKL, SPY, COO
Q2 2025 10$2.0BLW, MRCY, SPY, MKL, TRMB
Q1 2025 10$1.9BLW, SPY, MRCY, MKL, TRMB
Q4 2024 10$1.9BLW, TRMB, MRCY, SPY, MKL
Q3 2024 11$1.8BTRMB, SPY, MRCY, LW, THS
Q2 2024 12$1.7BFYBR, SPY, FIS, TRMB, MRCY
Q1 2024 10$1.8BSPY, FIS, TRMB, FYBR, MRCY