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
Boston Partners
THOR

Boston Partners’s THORATEC CORPORATION THOR Stock Holding History

Boston Partners’s Portfolio THOR Stock Details THOR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2015
Q3
– Sell
-78,093
Closed -$3.48M – 753
2015
Q2
$3.48M Sell
78,093
-626,121
-89% -$27.4M 0.01% 562
2015
Q1
$29.5M Sell
704,214
-18,418
-3% -$703K 0.04% 250
2014
Q4
$23.5M Buy
722,632
+289,552
+67% +$8.42M 0.04% 280
2014
Q3
$11.6M Buy
433,080
+264,780
+157% +$7.52M 0.02% 377
2014
Q2
$5.87M Hold
168,300
– – 0.01% 490
2014
Q1
$6.03M Buy
+168,300
New +$6.03M 0.01% 489

Other funds holding THOR

T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BFA
BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return
PRCM
Pine River Capital Management Minnetonka, Minnesota $2.12M AUM 4.47% 1-Year Est. Return
EAM
Eagle Asset Management St Petersburg, Florida $19.6B AUM 41.58% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
BIT
BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return
WIC
Water Island Capital New York $750M AUM 107.59% 1-Year Est. Return
OAM
Oxford Asset Management Oxford, United Kingdom $232M AUM 31% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 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