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

Institutional Holders (2015Q2)
Portfolio Summary: 3 Institutional holders with a total value of $771,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SIMPLEX TRADING, LLC 2 3,000 0.39% Put
2 GROUP ONE TRADING LLC 5,400 290,000 37.61% Put
3 CITADEL ADVISORS LLC 8,900 478,000 62.00% Put

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.