IRONWOOD PHARMACEUTICALS INC - Class A Common Stock, $0.001 par value (IRWD)

CUSIP: 46333X108

Q3 2020 13F Holders as of 30 Sep 2020

Type / Class
Equity / Class A Common Stock, $0.001 par value
Shares outstanding
162,843,862
Total 13F shares
179,160,124
Share change
-5,577,405
Total reported value
$1,611,634,384
Put/Call ratio
6.7%
Price per share
$9.00
Number of holders
183
Value change
-$60,043,147
Number of buys
83
Number of sells
99

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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.

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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.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
14%
22,218,859
$229,298,000 30 Jun 2020
13F
BROWN CAPITAL MANAGEMENT LLC
13F
Company
12%
18,798,061
$193,996,000 30 Jun 2020
13F
VANGUARD GROUP INC
13F
Company
10%
16,366,337
$168,901,000 30 Jun 2020
13F
BlackRock Finance, Inc.
13F
Company
8.9%
14,468,180
$149,313,000 30 Jun 2020
13F
Sarissa Capital Management LP
13F
Company
8.6%
14,040,000
$144,892,000 30 Jun 2020
13F
STATE STREET CORP
13F
Company
5.1%
8,234,563
$84,981,000 30 Jun 2020
13F
Camber Capital Management LP
13F
Company
4%
6,500,000
$67,080,000 30 Jun 2020
13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F
Company
4%
6,440,867
$66,469,748 30 Jun 2020
13F
FMR LLC
13F
Company
3.4%
5,520,957
$56,976,000 30 Jun 2020
13F
WESTFIELD CAPITAL MANAGEMENT CO LP
13F
Company
3.3%
5,341,204
$55,121,000 30 Jun 2020
13F
CREDIT SUISSE AG/
13F
Company
2.3%
3,701,689
$38,202,000 30 Jun 2020
13F
JANUS HENDERSON GROUP PLC
13F
Company
2.1%
3,376,180
$34,842,000 30 Jun 2020
13F
Slate Path Capital LP
13F
Company
1.6%
2,640,000
$27,245,000 30 Jun 2020
13F
NORGES BANK
13F
Company
1.5%
2,471,979
$25,511,000 30 Jun 2020
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1.5%
2,417,058
$24,944,000 30 Jun 2020
13F
NEW YORK STATE COMMON RETIREMENT FUND
13F
Company
1.5%
2,379,782
$24,559,000 30 Jun 2020
13F
NORTHERN TRUST CORP
13F
Company
1.3%
2,162,983
$22,321,000 30 Jun 2020
13F
Capital World Investors
13F
Company
1.2%
2,030,000
$20,950,000 30 Jun 2020
13F
BRIDGER MANAGEMENT, LLC
13F
Company
1.2%
1,923,033
$19,846,000 30 Jun 2020
13F
PUTNAM INVESTMENTS LLC
13F
Company
1.2%
1,893,132
$19,537,000 30 Jun 2020
13F
D. E. Shaw & Co., Inc.
13F
Company
1.1%
1,714,187
$17,690,000 30 Jun 2020
13F
Woodline Partners LP
13F
Company
0.93%
1,511,366
$15,597,000 30 Jun 2020
13F
Nuveen Asset Management, LLC
13F
Company
0.92%
1,490,293
$15,380,000 30 Jun 2020
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
0.81%
1,313,853
$13,559,000 30 Jun 2020
13F
BNP Paribas Asset Management Holding S.A.
13F
Company
0.78%
1,264,796
$13,053,000 30 Jun 2020
13F
PEREGRINE CAPITAL MANAGEMENT LLC
13F
Company
0.75%
1,223,278
$12,624,000 30 Jun 2020
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.71%
1,161,976
$11,991,000 30 Jun 2020
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.68%
1,105,073
$11,405,000 30 Jun 2020
13F
Atom Investors LP
13F
Company
0.65%
1,055,637
$10,894,000 30 Jun 2020
13F
PRICE T ROWE ASSOCIATES INC /MD/
13F
Company
0.63%
1,024,292
$10,571,000 30 Jun 2020
13F
TWO SIGMA ADVISERS, LP
13F
Company
0.61%
999,057
$10,310,000 30 Jun 2020
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
0.54%
873,816
$9,017,000 30 Jun 2020
13F
Man Group plc
13F
Company
0.54%
871,500
$8,994,000 30 Jun 2020
13F
Invesco Ltd.
13F
Company
0.47%
763,318
$7,878,000 30 Jun 2020
13F
PICTET ASSET MANAGEMENT LTD
13F
Company
0.44%
709,308
$7,320,000 30 Jun 2020
13F
CITADEL ADVISORS LLC
13F
Company
0.42%
685,747
$7,077,000 30 Jun 2020
13F
Bank of New York Mellon Corp
13F
Company
0.41%
668,414
$6,898,000 30 Jun 2020
13F
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY
13F
Company
0.41%
662,896
$6,841,000 30 Jun 2020
13F
FEDERATED HERMES, INC.
13F
Company
0.36%
588,717
$6,076,000 30 Jun 2020
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.34%
561,581
$5,795,000 30 Jun 2020
13F
ACADIAN ASSET MANAGEMENT LLC
13F
Company
0.32%
514,332
$5,308,000 30 Jun 2020
13F
DEUTSCHE BANK AG\
13F
Company
0.31%
502,503
$5,186,000 30 Jun 2020
13F
Islet Management, LP
13F
Company
0.31%
500,000
$5,160,000 30 Jun 2020
13F
WELLS FARGO & COMPANY/MN
13F
Company
0.27%
445,967
$4,603,000 30 Jun 2020
13F
AQR CAPITAL MANAGEMENT LLC
13F
Company
0.27%
440,921
$4,550,000 30 Jun 2020
13F
13D Management LLC
13F
Company
0.26%
430,644
$4,444,000 30 Jun 2020
13F
Michael F. Price
13F
Individual
0.25%
409,500
$4,226,000 30 Jun 2020
13F
AJO, LP
13F
Company
0.23%
369,154
$3,809,000 30 Jun 2020
13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM
13F
Company
0.22%
353,005
$3,643,000 30 Jun 2020
13F
CANADA PENSION PLAN INVESTMENT BOARD
13F
Company
0.21%
339,907
$3,508,000 30 Jun 2020
13F

Institutional Holders of IRONWOOD PHARMACEUTICALS INC - Class A Common Stock, $0.001 par value (IRWD) as of Q3 2020

As of 30 Sep 2020, IRONWOOD PHARMACEUTICALS INC - Class A Common Stock, $0.001 par value (IRWD) was held by 183 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 179,160,124 shares. The largest 10 holders included WELLINGTON MANAGEMENT GROUP LLP, BROWN CAPITAL MANAGEMENT LLC, VANGUARD GROUP INC, BlackRock Inc., Sarissa Capital Management LP, STATE STREET CORP, Camber Capital Management LP, Camber Capital Management LP, WESTFIELD CAPITAL MANAGEMENT CO LP, and FMR LLC. This page lists 183 institutional shareholders reporting positions in this security for the Q3 2020 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q3 2020 vs Q2 2020 Across Filers

Q2 2020 holders
196
Q3 2020 holders
183
Holder diff
-13
Investor Q2 2020 Shares Q3 2020 Shares Share Diff Share Chg % Q2 2020 Value $ Q3 2020 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* 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.