Westfield Capital Management
ATMI

Westfield Capital Management’s A T M I INC ATMI Stock Holding History

Westfield Capital Management’s Portfolio ATMI Stock Details ATMI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2013
Q4 		– Sell
-41,730
Closed -$1.11M – 384
2013
Q3 		$1.11M Hold
41,730
– – 0.01% 282
2013
Q2 		$987K Buy
+41,730
New +$951K 0.01% 287

Other funds holding ATMI

RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
GIM
Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return
BFA
BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return
RC
RGM Capital Naples, Florida $2.06B AUM 8.49% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
HA
Heartland Advisors Milwaukee, Wisconsin $1.96B AUM 28.26% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

Westfield Capital Management's ATMI Position: Q4 2013 in Review

Westfield Capital Management sold out of A T M I INC (ATMI) in Q4 2013, closing a stake of 41,730 shares — an estimated $1.11M sold.

Westfield Capital Management first reported a position in ATMI in Q2 2013 and held it in 2 quarters. The position peaked at $1.11M in Q3 2013. 134 funds tracked by Wall St. Rank hold ATMI as of Q4 2013.

  • Westfield Capital Management reported no remaining A T M I INC position as of Q4 2013 after selling out during the quarter.
  • Westfield Capital Management sold 41,730 A T M I INC shares in Q4 2013, an estimated $1.11M.
  • Westfield Capital Management first reported a position in A T M I INC in Q2 2013 and held it in 2 quarters.
  • Westfield Capital Management's A T M I INC position peaked at $1.11M in Q3 2013.
  • 134 funds tracked by Wall St. Rank held A T M I INC as of Q4 2013.

Based on Westfield Capital Management's 13F filing for Q4 2013, filed 7 Feb 2014.