The first MKS Instruments trade was made in Q1 2001.
Since then Mario Gabelli bought shares eleven more times and sold shares on ten occasions. The investor sold all their shares in Q3 2013 and doesn't own any shares in MKS Instruments anymore.
Avg closing price
Price range
Sold -8 Thousand shares
Q3 2013
Avg closing price
$26.70
Price range
$24.90
-
$28.82
New holding (+8 Thousand shares)
Q2 2013
Avg closing price
$27.05
Price range
$25.12
-
$28.96
Sold -20.2 Thousand shares
Q1 2010
Avg closing price
$18.49
Price range
$16.41
-
$19.66
Sold 50.0% shares (-20.2 Thousand shares)
Q3 2009
Avg closing price
$18.27
Price range
$13.37
-
$20.48
Increased shares by 100.0% (+20.2 Thousand shares)
Q2 2009
Avg closing price
$14.60
Price range
$12.79
-
$17.07
Sold 53.0% shares (-22.8 Thousand shares)
Q1 2009
Avg closing price
$14.11
Price range
$11.45
-
$16.12
Increased shares by 100.0% (+21.5 Thousand shares)
Q4 2008
Avg closing price
$15.55
Price range
$12.35
-
$19.31
Increased shares by 6.4% (+1.3 Thousand shares)
Q3 2008
Avg closing price
$22.08
Price range
$19.85
-
$24.88
Sold 50.0% shares (-20.2 Thousand shares)
Q1 2008
Avg closing price
$19.28
Price range
$16.38
-
$22.08
Increased shares by 100.0% (+20.2 Thousand shares)
Q4 2007
Avg closing price
$18.87
Price range
$17.13
-
$21.16
Sold 50.0% shares (-20.2 Thousand shares)
Q1 2007
Avg closing price
$23.68
Price range
$21.66
-
$25.93
Increased shares by 100.0% (+20.2 Thousand shares)
Q4 2006
Avg closing price
$22.58
Price range
$22.58
-
$22.58
Increased shares by 32.9% (+5 Thousand shares)
Q2 2005
Avg closing price
-
Price range
-
-
-
Sold 54.2% shares (-18 Thousand shares)
Q4 2004
Avg closing price
-
Price range
-
-
-
Sold 5.7% shares (-2 Thousand shares)
Q3 2004
Avg closing price
-
Price range
-
-
-
Sold 36.2% shares (-20 Thousand shares)
Q2 2003
Avg closing price
-
Price range
-
-
-
Increased shares by 48.4% (+18 Thousand shares)
Q1 2003
Avg closing price
-
Price range
-
-
-
Increased shares by 2.8% (+1 Thousand shares)
Q4 2002
Avg closing price
-
Price range
-
-
-
Increased shares by 5.9% (+2 Thousand shares)
Q4 2001
Avg closing price
-
Price range
-
-
-
Increased shares by 141.0% (+20 Thousand shares)
Q3 2001