← All Managers

Barry Rosenstein

JANA Partners

Activist hedge fund

$1.67B

Portfolio Value

11

Holdings

Q1 '26

Period

2026-06-30

Filed

📝 Amendment (13F-HR/A) — this filing corrects or supersedes a prior submission

📈 Recent Activity

Changes from previous quarter

MRCYREDUCED
18.0% of portfolio
-17% shares-0.9pp
COOINCREASED
15.3% of portfolio
+1% shares+0.3pp
FISVINCREASED
14.8% of portfolio
+98% shares+7.0pp
SPYREDUCED
13.4% of portfolio
-12% shares-0.5pp
MKLREDUCED
8.6% of portfolio
-7% shares-0.4pp
ALKTINCREASED
5.1% of portfolio
+11% shares-0.8pp
PSTGNEW
3.7% of portfolio
New position
THSSOLD
was 7.1%
Sold out position
Filing price: $23.59
FRPTSOLD
was 1.8%
Sold out position
Filing price: $60.93

Sold Out (2)

SOLDFRPTFRESHPET INCwas 1.77%@$60.93
SOLDTHSTREEHOUSE FOODS INCwas 7.15%@$23.59

📊 Sector Breakdown

Portfolio allocation by sector

Unknown 100.0%

💼 Holdings

🔍

11 of 11 positions · $1.67B

This quarter: 1 new position, increased 3, reduced 3, sold 2. Net seller.

MRCYREDUCED
18.0%
18.0% of portfolio (was 18.8%, trimmed)
Filed ~$73
—📄
COOINCREASED
15.3%
15.3% of portfolio (was 15.0%, added)
Filed ~$72
—📄
FISVINCREASED
14.8%
14.8% of portfolio (was 7.8%, added)
Filed ~$56
—📄
SPYREDUCED
13.4%
13.4% of portfolio (was 13.9%, trimmed)
Filed ~$650
—📄
LW
12.7%
12.7% of portfolio
Filed ~$42
—📄
MKLREDUCED
8.6%
8.6% of portfolio (was 9.1%, trimmed)
Filed ~$1914
—📄
ALKTINCREASED
5.1%
5.1% of portfolio (was 5.9%, added)
Filed ~$16
—📄
FUN
4.4%
4.4% of portfolio
Filed ~$18
—📄
PSTGNEW
3.7%
3.7% of portfolio (new position)
Filed ~$59
—📄
RPD
2.2%
2.2% of portfolio
Filed ~$6
—📄
EHAB
1.8%
1.8% of portfolio
Filed ~$14
—📄

🚫 Sold Out (2 positions)

SOLDFRPTFRESHPET INCwas 1.77%@$60.93557390 shares · $34.0M
SOLDTHSTREEHOUSE FOODS INCwas 7.15%@$23.595821337 shares · $137.3M