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PERKINELMER INC
PERKINELMER INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 2 Institutional holders with a total value of $1,566,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SpiderRock Trading LLC 300 13,000 0.83% PRN
2 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 34,472 1,553,000 99.17%

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.