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

Institutional Holders (2015Q4)
Portfolio Summary: 4 Institutional holders with a total value of $1,503,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 13,710 1,238,000 82.37%
2 CENTERSTAR FUND, LLC 1,800 164,000 10.91% Put PRN
3 CENTERSTAR FUND, LLC 1,000 90,000 5.99% Call PRN
4 CENTERSTAR FUND, LLC 123 11,000 0.73% 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.