Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
Sign in Sign up
Janus Henderson Group
PETX

Janus Henderson Group’s Aratana Therapeutics, Inc. PETX Stock Holding History

Janus Henderson Group’s Portfolio PETX Stock Details PETX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2018
Q1
– Sell
-1,801,381
Closed -$9.47M – 1410
2017
Q4
$9.47M Hold
1,801,381
– – 0.01% 881
2017
Q3
$11M Buy
1,801,381
+10,551
+0.6% +$66.8K 0.01% 848
2017
Q2
$12.9M Buy
+1,790,830
New +$11M 0.01% 825

Other funds holding PETX

Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
BC
Broadfin Capital New York $403M AUM 100.56% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
EC
Engaged Capital Newport Beach, California $303M AUM 2.09% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
GAI
General American Investors New York $1.51B AUM 37.94% 1-Year Est. Return
Millennium Management
Millennium Management New York $134B AUM 35.51% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
William Blair & Company
William Blair & Company Chicago, Illinois $34.9B AUM 18.88% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Product
Portfolios Fund Trends Large Buys & Sells Stocks ETFs Sectors Industries Rankings
Popular funds
Jane Street Citadel Renaissance Situational Awareness Coatue Bridgewater
Resources
API Docs Plans Learn Methodology
Policies
Terms & Conditions Privacy Policy Disclaimer Climate Commitment
Connect
Contact Us About X (Twitter) LinkedIn

© 2026 Wall St. Rank

Sign up Sign in
Common Fund Bets See what stocks and ETFs funds are collectively bullish/bearish on Largest Fund Trades Explore the largest stock and ETF buys and sells made by funds High Conviction Trades Discover high conviction trades that caused a significant change in a fund's stake in a stock Fund Manager Portfolios Gain insights from the world’s largest funds and super investors
Fund Manager Index Stock index based on fund manager consensus updated each quarter

Theme