JANA Partners Management, LP

13F Portfolio Filings

Most recent 13F
Q2 2026
13D/G filings
13D on 5 securities
Location
New York, NY
CIK
0001998597
All SEC filings
View on sec.gov
Holdings Value
Quarter Holdings Value ($000) Top Holdings Form Type Date Filed Filing ID
Q2 2026 10 1,902,301 MRCY, COO, SPY, LW 13F-HR 8/14/2026 000090266426003486
Q1 2026 1 61,537 P NEW HOLDINGS 6/30/2026 000090266426002957
Q1 2026 10 1,605,976 MRCY, COO, FISV, SPY 13F-HR 5/15/2026 000090266426002515
Q4 2025 12 1,921,781 MRCY, COO, SPY, LW 13F-HR 2/17/2026 000090266426001069
Q3 2025 12 2,065,490 MRCY, LW, MKL, SPY 13F-HR 11/14/2025 000090266425005066
Q2 2025 10 1,991,086 LW, MRCY, SPY, MKL 13F-HR 8/14/2025 000090266425003587
Q1 2025 10 1,936,600 LW, SPY, MRCY, MKL 13F-HR 5/15/2025 000090266425002348
Q4 2024 11 2,033,102 LW, TRMB, MRCY, SPY 13F-HR 2/14/2025 000090266425001058
Q3 2024 12 1,926,416 TRMB, SPY, MRCY, LW 13F-HR 11/14/2024 000090266424006510
Q2 2024 12 1,709,706 FYBR, SPY, FIS, TRMB 13F-HR 8/14/2024 000090266424005100
Q1 2024 10 1,829,573 SPY, FIS, TRMB, FYBR 13F-HR 5/15/2024 000090266424003586
Q4 2023 8 1,549,058 SPY, FRPT, FYBR, THS 13F-HR 2/14/2024 000090266424001588
Q3 2023 1 35,661 WOLF NEW HOLDINGS 11/16/2023 000090266423005626
Q3 2023 8 1,365,962 NEWR, FRPT, THS, FIS 13F-HR 11/14/2023 000090266423005550

13D and 13G Filings

All 13D and 13G filings

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each security where the latest filing since 12/18/2024 is a 13D, newest first.

Issuer % of Class Filed
Alkami Technology, Inc. 13D/A
ALKT · 01644J108
6.3% 10/16/2026
Event 10/14/2026
Rapid7, Inc. 13D/A
RPD · 753422104
10.3% 3/30/2026
Event 3/26/2026
Mercury Systems Inc 13D/A
MRCY · 589378108
6.9% 3/4/2026
Event 3/3/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (2)
TreeHouse Foods, Inc. 13D/A
THS · 89469A104
0% 2/11/2026
Event 2/11/2026
Lamb Weston Holdings, Inc. 13D/A
LW · 513272104
4.9% 7/1/2025
Event 6/30/2025