IDXX : NASDAQ
Industry: Medical Supplies

HOLDINGS SUMMARY

Shareholders

Top Shareholders

Large Block Owners 1,021
Total Number of Shares Held 127.6M
% Change in Ownership -1%
% Shares Owned 99%
 
Monthly Rotation Number
of Shares
Value of
Change (MM)
% of Shrs.
Outstanding
Buyers 11/22/09 4,842,187 $230.96 54.0%
Sellers 11/22/09 18,332,278 $859.34 78.4%
 
Holdings chart
Institutions:
311 Holders
$3,183,037,896 Value
108.9% Owned of O/S
Mutual Funds:
394 Holders
$1,439,436,576 Value
51.6% Owned of O/S
Other Major Holders:
316 Holders
$3,186,625,185 Value
109.0% Owned of O/S
Institutions
311 Holders
Mutual Funds
394 Holders
Other Major Holders
316 Holders
 

SHAREHOLDERS CONCENTRATION

107.7% 1.6%

Top Institutional Holders

Concentration of Current % Held
Top 10 Institutions: Ownership by top 10 institutions Top 20 Institutions: Ownership by top 20 institutions Top 50 Institutions: Ownership by top 50 institutions All: Ownership by all institutions
Low
Avg. Turnover Rating
Ruane, Cunniff & ...
12.9M
$645,149,350 +20% 22.0%
Low
Baron Capital ...
4.0M
$197,764,850 +6% 6.8%
Low
Neuberger ...
3.6M
$181,216,350 +6% 6.2%
Low
William Blair & ...
3.3M
$163,049,750 +5% 5.6%
Moderate
Royce & ...
2.6M
$129,774,900 +4% 4.4%
Low
D. F. Dent & ...
2.6M
$128,303,500 +4% 4.4%
Low
Barclays Global ...
2.4M
$119,747,950 +4% 4.1%
Low
T. Rowe Price ...
2.0M
$101,245,000 +3% 3.5%
Low
Vanguard Group, Inc.
2.0M
$98,711,200 +3% 3.4%
Low
State Street ...
1.3M
$63,074,800 +2% 2.2%
Low

Top Mutual Fund Holders

Percentage of Outstanding Shares per Holdings Style (Top 10)
GARP 17.1%
Growth 12.2%
Index 7.4%
Moderate
Avg. Turnover Rating
Sequoia Fund
3.6M
$168,451,391 +6% 6.2%
GARP
Neuberger Berman ...
2.8M
$139,833,100 +4% 4.8%
GARP
Royce Premier Fund
1.5M
$70,986,300 +2% 2.6%
GARP
Baron Asset Fund
1.5M
$66,990,000 +2% 2.5%
Growth
Baron Growth Fund
1.2M
$56,595,000 +2% 2.1%
Growth
Baron Small Cap Fund
900.0K
$41,580,000 +1% 1.5%
Growth
T. Rowe Price ...
800.0K
$40,000,000 +1% 1.4%
Aggres. Gr.
Vanguard ...
707.0K
$35,220,747 +1% 1.2%
Growth
Columbia Acorn Fund
665.0K
$33,250,000 +1% 1.1%
Growth
Vanguard Mid-Cap ...
623.3K
$28,797,014 +1% 1.1%
Index