Jana Partners
Jana Partners LLC
Jana Partners LLC is an investment management firm founded in 2001 by Barry Rosenstein, Jana’s Managing Partner and Co-Portfolio Manager. The firm has its headquarters in New York.
Stock Trading
All
Buys
Sells
No.
Name
Action
Shares Traded
% Change
Shares Held
Mkt Value (Date)
Report Date
Mercury Systems Inc (US)
MRCY
Sell
-789.10K
-11.60%
5.96M
$402.89M
2025-08-13
Rapid7 Inc (US)
RPD
Buy
+788.69K
+10.70%
6.52M
$135.00M
2025-08-13
Lamb Weston Holdings Inc (US)
LW
Sell
-753.21K
-9.40%
7.23M
$374.99M
2025-06-30
4
Fidelity National Information Services Inc (US)
FIS
Exit
-496.89K
-100.00%
0.00
$0.00
2025-06-30
5
TreeHouse Foods Inc (US)
THS
Buy
+339.00K
+5.50%
5.82M
$113.05M
2025-06-30
6
Trimble Inc (US)
TRMB
Sell
-336.33K
-8.50%
3.61M
$274.20M
2025-06-30
7
Freshpet Inc (US)
FRPT
Buy
+272.00K
+21.20%
1.01M
$68.42M
2025-06-30
8
WEX Inc (US)
WEX
New
+164.03K
+50.00%
164.03K
$24.09M
2025-06-30
9
SPDR S&P 500 ETF (US)
SPY
Sell
-27.30K
-5.00%
513.05K
$316.99M
2025-06-30
10
Markel Group Inc (US)
MKL
Sell
-4.59K
-2.90%
151.43K
$302.46M
2025-06-30
