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CLEAN HARBORS INC
CLEAN HARBORS INC. Institutional holdings reported to the SEC.

Institutional Holders (2017Q1)
Portfolio Summary: 2 Institutional holders with a total value of $456,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Timber Hill LLC 8,100 451,000 98.90% Call
2 SIMPLEX TRADING, LLC 34 5,000 1.10% Call

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.