Type / Class
Equity / Class A Common Stock
Shares outstanding
162M
Number of holders
142
Total 13F shares, excl. options
156M
Shares change
+10.1M
Total reported value, excl. options
$2.47B
Value change
+$150M
Put/Call ratio
3.95
Number of buys
71
Number of sells
-63
Price
$15.77

Significant Holders of IRONWOOD PHARMACEUTICALS INC - Class A Common Stock (IRWD) as of Q3 2017

183 filings reported holding IRWD - IRONWOOD PHARMACEUTICALS INC - Class A Common Stock as of Q3 2017.
IRONWOOD PHARMACEUTICALS INC - Class A Common Stock (IRWD) has 142 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 156M shares of 162M outstanding shares and own 96.5% of the company stock.
Largest 10 shareholders include WELLINGTON MANAGEMENT GROUP LLP (18.9M shares), FMR LLC (18.5M shares), PRICE T ROWE ASSOCIATES INC /MD/ (17M shares), BlackRock Inc. (11.9M shares), VANGUARD GROUP INC (11M shares), JANUS HENDERSON GROUP PLC (7.94M shares), UBS ASSET MANAGEMENT AMERICAS INC (6.41M shares), BROWN CAPITAL MANAGEMENT LLC (6.22M shares), ORBIMED ADVISORS LLC (5.76M shares), and EcoR1 Capital, LLC (5.46M shares).
This table shows the top 142 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
Investor Option Weight % Change % Value $ * Price $ Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.