IRONWOOD PHARMACEUTICALS INC - Class A Common Stock, $0.001 par value (IRWD)
CUSIP: 46333X108
Q4 2017 13F Holders as of 31 Dec 2017
- Type / Class
- Equity / Class A Common Stock, $0.001 par value
- Shares outstanding
- 162,843,862
- Total 13F shares
- 152,837,109
- Share change
- -4,493,290
- Total reported value
- $2,291,153,384
- Put/Call ratio
- 86%
- Price per share
- $14.99
- Number of holders
- 157
- Value change
- -$72,488,750
- Number of buys
- 71
- Number of sells
- 64
Quarterly Holders Quick Answers
What is CUSIP 46333X108?
CUSIP 46333X108 identifies IRWD - IRONWOOD PHARMACEUTICALS INC - Class A Common Stock, $0.001 par value in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 46333X108:
Top shareholders of IRWD - IRONWOOD PHARMACEUTICALS INC - Class A Common Stock, $0.001 par value (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
12%
|
18,880,187
|
$297,742,000 | — | 30 Sep 2017 | |
| FMR LLC |
13F
|
Company |
11%
|
18,526,427
|
$292,161,000 | — | 30 Sep 2017 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
10%
|
16,960,490
|
$267,467,000 | — | 30 Sep 2017 | |
| BlackRock Finance, Inc. |
13F
|
Company |
7.3%
|
11,872,904
|
$187,237,000 | — | 30 Sep 2017 | |
| VANGUARD GROUP INC |
13F
|
Company |
6.8%
|
11,015,722
|
$173,718,000 | — | 30 Sep 2017 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
4.9%
|
7,943,155
|
$125,264,000 | — | 30 Sep 2017 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
3.9%
|
6,407,209
|
$101,041,687 | — | 30 Sep 2017 | |
| BROWN CAPITAL MANAGEMENT LLC |
13F
|
Company |
3.8%
|
6,217,575
|
$98,051,000 | — | 30 Sep 2017 | |
| ORBIMED ADVISORS LLC |
13F
|
Company |
3.5%
|
5,759,200
|
$90,823,000 | — | 30 Sep 2017 | |
| EcoR1 Capital, LLC |
13F
|
Company |
3.4%
|
5,459,583
|
$86,098,000 | — | 30 Sep 2017 | |
| STATE STREET CORP |
13F
|
Company |
2.8%
|
4,545,193
|
$71,677,000 | — | 30 Sep 2017 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
|
Company |
1.8%
|
2,900,000
|
$45,733,000 | — | 30 Sep 2017 | |
| BVF INC/IL |
13F
|
Company |
1.7%
|
2,820,000
|
$44,471,000 | — | 30 Sep 2017 | |
| PICTET ASSET MANAGEMENT LTD |
13F
|
Company |
1.6%
|
2,622,507
|
$41,357,000 | — | 30 Sep 2017 | |
| BRIDGER MANAGEMENT, LLC |
13F
|
Company |
1.6%
|
2,546,095
|
$40,152,000 | — | 30 Sep 2017 | |
| NORGES BANK |
13F
|
Company |
1.2%
|
2,013,390
|
$31,751,000 | — | 30 Sep 2017 | |
| Gamma As Sector |
13F
|
Individual |
1.1%
|
1,825,002
|
$28,780,000 | — | 30 Sep 2017 | |
| BNP Paribas Asset Management Holding S.A. |
13F
|
Company |
1.1%
|
1,813,498
|
$28,599,000 | — | 30 Sep 2017 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
1.1%
|
1,724,353
|
$27,192,000 | — | 30 Sep 2017 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.98%
|
1,602,082
|
$25,265,000 | — | 30 Sep 2017 | |
| CREDIT SUISSE AG/ |
13F
|
Company |
0.96%
|
1,570,328
|
$24,764,000 | — | 30 Sep 2017 | |
| LOOMIS SAYLES & CO L P |
13F
|
Company |
0.95%
|
1,551,432
|
$24,466,000 | — | 30 Sep 2017 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
0.86%
|
1,404,659
|
$22,151,000 | — | 30 Sep 2017 | |
| Capital World Investors |
13F
|
Company |
0.82%
|
1,330,000
|
$20,974,000 | — | 30 Sep 2017 | |
| ROTHSCHILD & CO ASSET MANAGEMENT US INC. |
13F
|
Company |
0.78%
|
1,265,471
|
$19,956,000 | — | 30 Sep 2017 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.74%
|
1,209,005
|
$19,066,000 | — | 30 Sep 2017 | |
| Penn Capital Management Company, LLC |
13F
|
Company |
0.54%
|
883,217
|
$14,061,000 | — | 30 Sep 2017 | |
| Artal Group S.A. |
13F
|
Company |
0.5%
|
816,879
|
$12,882,000 | — | 30 Sep 2017 | |
| STATE OF WISCONSIN INVESTMENT BOARD |
13F
|
Company |
0.45%
|
731,000
|
$11,528,000 | — | 30 Sep 2017 | |
| CLEARBRIDGE, LLC |
13F
|
Company |
0.44%
|
720,069
|
$11,355,000 | — | 30 Sep 2017 | |
| TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY |
13F
|
Company |
0.42%
|
683,980
|
$10,786,000 | — | 30 Sep 2017 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.39%
|
639,299
|
$10,082,000 | — | 30 Sep 2017 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.38%
|
624,599
|
$9,849,000 | — | 30 Sep 2017 | |
| SENZAR ASSET MANAGEMENT, LLC |
13F
|
Company |
0.31%
|
507,000
|
$7,996,000 | — | 30 Sep 2017 | |
| FRED ALGER MANAGEMENT, LLC |
13F
|
Company |
0.28%
|
459,961
|
$7,254,000 | — | 30 Sep 2017 | |
| Granahan Investment Management, LLC |
13F
|
Company |
0.27%
|
436,000
|
$6,876,000 | — | 30 Sep 2017 | |
| TIAA CREF INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.22%
|
350,782
|
$5,532,000 | — | 30 Sep 2017 | |
| TD ASSET MANAGEMENT INC |
13F
|
Company |
0.2%
|
331,583
|
$5,229,000 | — | 30 Sep 2017 | |
| UNITED SERVICES AUTOMOBILE ASSOCIATION |
13F
|
Company |
0.18%
|
294,590
|
$4,646,000 | — | 30 Sep 2017 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.18%
|
291,857
|
$4,603,000 | — | 30 Sep 2017 | |
| PNC FINANCIAL SERVICES GROUP, INC. |
13F
|
Company |
0.18%
|
288,442
|
$4,548,000 | — | 30 Sep 2017 | |
| Nationwide Fund Advisors |
13F
|
Company |
0.18%
|
287,872
|
$4,540,000 | — | 30 Sep 2017 | |
| SEI INVESTMENTS CO |
13F
|
Company |
0.15%
|
252,338
|
$3,980,000 | — | 30 Sep 2017 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.15%
|
248,033
|
$3,911,000 | — | 30 Sep 2017 | |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
13F
|
Company |
0.15%
|
246,617
|
$3,889,000 | — | 30 Sep 2017 | |
| TEACHERS ADVISORS, LLC |
13F
|
Company |
0.15%
|
239,906
|
$3,783,000 | — | 30 Sep 2017 | |
| MORGAN STANLEY |
13F
|
Company |
0.15%
|
239,306
|
$3,773,000 | — | 30 Sep 2017 | |
| GUGGENHEIM CAPITAL LLC |
13F
|
Company |
0.14%
|
232,350
|
$3,664,000 | — | 30 Sep 2017 | |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM |
13F
|
Company |
0.13%
|
215,473
|
$3,398,000 | — | 30 Sep 2017 | |
| Swiss National Bank |
13F
|
Company |
0.13%
|
210,500
|
$3,320,000 | — | 30 Sep 2017 |
Institutional Holders of IRONWOOD PHARMACEUTICALS INC - Class A Common Stock, $0.001 par value (IRWD) as of Q4 2017
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2017 vs Q3 2017 Across Filers
| Investor | Q3 2017 Shares | Q4 2017 Shares | Share Diff | Share Chg % | Q3 2017 Value $ | Q4 2017 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
An asterisk sign (*) next to the price indicates that the price is likely invalid.