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Jana Partners — Investment Management Firm — portfolio photo

Jana Partners
Portfolio: Top Holdings & Stock Picks

Jana Partners Management, Lp

Jana Partners (Jana Partners Management, Lp) disclosed 10 total holdings in its latest 13F filing dated 03/31/2026, with a portfolio value of $1.61 B and a turnover rate of 7.6%.

Portfolio Value
$1.61 B
Total Holdings
10
Latest Filing
Q1 2026
May 15, 2026
Turnover Rate
7.59%

Jana Partners Top Holdings of Q1 2026

Jana Partners Top Holdings of Q1 2026
Ticker Name Shares Value % of Portfolio Time Held % Change
4.11 M $299.47 M 18.65% 4.5 Years -17.18%
COO
3.57 M $254.91 M 15.87% 0.5 Years +1.29%
FI
4.44 M $247.51 M 15.41% 0.25 Years +97.53%
343,665 $223.5 M 13.92% 8 Years -12.18%
LW
5.01 M $211.66 M 13.18% 1.5 Years 0.00%
MKL
75,307 $144.14 M 8.98% 1.2 Years -7.28%
5.43 M $85.11 M 5.30% 0.5 Years +10.97%
FUN
4.12 M $73.06 M 4.55% 0.5 Years 0.00%
RPD
6.74 M $37.16 M 2.31% 1.7 Years 0.00%
2.09 M $29.45 M 1.83% 3.5 Years 0.00%

Recent Moves

Added to Core Holding
+2.19 M Shares | +$122.21 M Value
Largest position increase in Technology sector
Q1 2026
Reduced Exposure to Position
-852,057 Shares | -$62.12 M Value
Significant reduction in holdings of Industrials
Q1 2026
Complete Exit
-5.82 M Shares | -$137.33 M Value
Cleared THS, sector remains in portfolio
Q1 2026
Complete Exit
-557,390 Shares | -$33.96 M Value
Cleared FRPT, sector remains in portfolio
Q1 2026

Jana Partners's Historical Top Holdings Overview

Portfolio Date:

Jana Partners Top Stock Picks

Ticker Name Date Activity Shares Shares Change Value Change
THS
03/31/2026 Sold Out 0 -5.82 M $137.33 M
FI
03/31/2026 Add 97.5% 4.44 M 2.19 M $122.21 M
03/31/2026 Reduce -17.2% 4.11 M -852,057 $62.12 M
03/31/2026 Sold Out 0 -557,390 $33.96 M
SPY
03/31/2026 Reduce -12.2% 343,665 -47,672 $31 M
MKL
03/31/2026 Reduce -7.3% 75,307 -5,912 $11.32 M
03/31/2026 Add 11.0% 5.43 M 536,723 $8.41 M
COO
03/31/2026 Add 1.3% 3.57 M 45,538 $3.26 M
12/31/2025 Sold Out 0 -1.88 M $153.62 M
FI
12/31/2025 New Buy 2.25 M 2.25 M $150.83 M

Jana Partners's Portfolio Sector Breakdown

Portfolio Date:

About Jana Partners

JANA Partners LLC is an investment management firm founded by Barry Rosenstein. It is one of the most well-known activist hedge funds in the market. The firm is known for taking significant stakes in public companies and publicly advocating for corporate actions to improve their financial performance and stock price. Rosenstein and his team have a long track record of successful activist campaigns.

Frequently Asked Questions

As of 03/31/2026, Jana Partners holds 10 stocks. Top positions include MRCY, COO, FI, SPY, LW. For full portfolio details, please visit Jana Partners’s portfolio.

Jana Partners did not initiate any new positions in the latest quarter.

According to the 13F filing for Q1 2026, Jana Partners increased their stake in FI.

Jana Partners's firm may occasionally request confidential treatment under SEC rule 13F-HR, which allows temporary non-disclosure of certain positions.