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

Institutional Holders (2015Q2)
Portfolio Summary: 4 Institutional holders with a total value of $9,363,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 135,000 8,874,000 94.78%
2 NORTHERN TRUST CORP 6,818 448,000 4.78%
3 CENTERSTAR FUND, LLC 500 33,000 0.35% PRN
4 CENTERSTAR FUND, LLC 900 8,000 0.09% Put 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.