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

Institutional Holders (2016Q2)
Portfolio Summary: 4 Institutional holders with a total value of $27,698,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 249,750 27,295,000 98.55%
2 CENTERSTAR FUND, LLC 2,900 308,000 1.11% Call PRN
3 CENTERSTAR FUND, LLC 700 61,000 0.22% Put PRN
4 CENTERSTAR FUND, LLC 310 34,000 0.12% PRN

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.