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IRONWOOD PHARMACEUTICALS INC
IRONWOOD PHARMACEUTICALS INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 3 Institutional holders with a total value of $749,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GROUP ONE TRADING LLC 36,000 576,000 76.90% Call
2 CITADEL ADVISORS LLC 10,400 166,000 22.16% Call
3 SIMPLEX TRADING, LLC 26 7,000 0.93% 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.