Security key
46333X108
IRONWOOD PHARMACEUTICALS INC - Class A Common Stock (IRWD)
CUSIP: 46333X108
Q1 2017 13F Holders as of 31 Mar 2017
- Security type / class
- Equity / Class A Common Stock
- Total 13F shares
- 146,394,957
- Total 13F value
- $2,497,507,218
- Share change
- +18,184,166
- Put/Call ratio
- 88%
- SEC-reported price per share
- $17.06
- Number of holders
- 158
- Value change
- +$313,109,692
- Number of buys
- 78
- Number of sells
- 71
- Shares outstanding
- 163,317,295
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2017
Institutions
158
Top holders
10
IRWD full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2017
Previous quarter: Q4 2016
IRONWOOD PHARMACEUTICALS INC SEC filings
IRONWOOD PHARMACEUTICALS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 46333X108
Recent filing periods:
Ownership snapshot
Top reported holders of IRWD - IRONWOOD PHARMACEUTICALS INC - Class A Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
15/15
Latest evidence
31 Dec 2016
13F
Lead comparable stake: 12%
Showing 1-6 of 15 holder rows.
Quick read
FMR LLC leads the comparable SEC ownership view at 12%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens FMR LLC's linked filing trail.
Comparable ownership
Top 5
FMR LLC
12%
WELLINGTON MANAGEMENT GROUP LLP
11%
PRICE T ROWE ASSOCIATES INC /MD/
8.9%
JANUS HENDERSON INVESTORS US LLC
7.6%
VANGUARD GROUP INC
6.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| FMR LLC |
13F
Company
|
12%
|
$300,818,000
19,674,160 shares
|
— | 31 Dec 2016 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
11%
|
$280,312,000
18,333,040 shares
|
— | 31 Dec 2016 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
8.9%
|
$221,538,000
14,489,073 shares
|
— | 31 Dec 2016 |
| JANUS HENDERSON INVESTORS US LLC |
13F
Company
|
7.6%
|
$190,128,000
12,433,680 shares
|
— | 31 Dec 2016 |
| VANGUARD GROUP INC |
13F
Company
|
6.1%
|
$152,034,000
9,943,282 shares
|
— | 31 Dec 2016 |
| ORBIMED ADVISORS LLC |
13F
Company
|
4.4%
|
$110,719,000
7,241,300 shares
|
— | 31 Dec 2016 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2017
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
158
Shares
146,394,957
Rows available
158
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2017 vs Q4 2016 Across Filers
Q4 2016 holders
159
Q1 2017 holders
158
Holder diff
-1
| Investor | Q4 2016 Shares | Q1 2017 Shares | Share Diff | Share Chg % | Q4 2016 value | Q1 2017 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend