Ironwood Pharmaceuticals Inc

IRWD

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001446847

SEC filings (opens in a new tab)

In the last 90 days, Ironwood Pharmaceuticals Inc insiders filed 0 open-market purchases and 1 sale; 212 institutions reported holding it in 13F filings for Q2 2026, worth $675.8M in total; no superinvestor holds it.

Q3 2021 vs. Q2 2021

How the institutions holding Ironwood Pharmaceuticals Inc changed between Q2 2021 and Q3 2021.

All holders in Q3 2021 All holders in Q2 2021

13F holders of IRWD: Q2 2021 compared with Q3 2021
Measure	Q2 2021	Of which not filed for Q3 2021	Q3 2021	Change
Holders	209	3	229	+23
Shares	174.5M	1.06M	177.4M	+3.97M (+2.3%)
Value	$2.25B	$13.6M	$2.32B	+$83.1M (+3.7%)

3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (40)

Institutions that held Ironwood Pharmaceuticals Inc at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to IRWD in Q3 2021
Institution	Shares	Value	% of portfolio
Pictet Asset Management SA	1,033,687	$13.5M	0.01%
Foundry Partners, LLC	893,070	$11.7M	0.42%
Arrowstreet Capital, Limited Partnership	735,721	$9.61M	0.01%
Brandywine Global Investment Management, LLC	214,754	$2.81M	0.02%
Nomura Holdings Inc	151,000	$2.01M	0.02%
First Trust Advisors LP	128,107	$1.67M	0.00%
M&G Investment Management Ltd	113,313	$1.47M	0.01%
Tudor Investment Corp Et Al	83,672	$1.09M	0.02%
Qube Research & Technologies Ltd	68,501	$895.0K	0.01%
Seven Eight Capital, LP	66,870	$873.0K	0.08%
Ci Investments Inc.	56,357	$736.0K	0.00%
Cannon Global Investment Management, LLC	44,000	$575.0K	0.86%
Healthcare of Ontario Pension Plan Trust Fund	40,300	$526.0K	0.00%
Alps Advisors Inc	30,493	$398.0K	0.00%
Blueshift Asset Management, LLC	25,109	$328.0K	0.02%
Oliver Luxxe Assets LLC	23,078	$301.0K	0.08%
HAP Trading, LLC	21,611	$282.0K	0.02%
Boothbay Fund Management, LLC	18,929	$247.0K	0.01%
Sawgrass Asset Management LLC	18,420	$241.0K	0.02%
SG Americas Securities, LLC	16,458	$215.0K	0.00%
Janus Henderson Group PLC	15,412	$201.0K	0.00%
Dynamic Technology Lab Private Ltd	14,990	$196.0K	0.02%
Maven Securities LTD	15,000	$196.0K	0.02%
E Fund Management Co., Ltd.	14,130	$185.0K	0.01%
Algert Global LLC	13,024	$170.0K	0.02%
Redhawk Wealth Advisors, Inc.	12,200	$159.0K	0.04%
C M Bidwell & Associates Ltd	6,360	$83.0K	0.06%
Lazard Asset Management LLC	3,921	$51.0K	0.00%
Point72 Hong Kong Ltd	3,321	$43.0K	0.00%
Cahill Financial Advisors Inc	219	$3.00K	0.00%
Smith Group Asset Management, LLC	230	$3.00K	0.00%
Capital Advisory Group Advisory Services, LLC	143	$2.00K	0.00%
Anfield Capital Management, LLC	51	$1.00K	0.00%
Rockefeller Capital Management L.P.	128	$1.00K	0.00%
Meridian Wealth Partners, LLC	45	$1.00K	0.00%
Cordant, Inc.	78	$1.00K	0.00%
Bell Investment Advisors, Inc	88	$1.00K	0.00%
Allworth Financial LP	15	$0	0.00%
First Horizon Advisors, Inc.	12	$0	0.00%
Parallel Advisors, LLC	22	$0	0.00%

Sold out (17)

Institutions that held Ironwood Pharmaceuticals Inc at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of IRWD in Q3 2021
Institution	Shares, Q2 2021	Value, Q2 2021
Teachers Retirement System of the State of Kentucky	542,131	$6.98M
HealthCor Management, L.P.	522,712	$6.73M
Marshall Wace, LLP	418,870	$5.39M
Marshall Wace North America L.P.	159,157	$2.05M
Engineers Gate Manager LP	76,060	$979.0K
Jacobs Levy Equity Management, Inc	42,036	$541.0K
Quantitative Investment Management, LLC	22,175	$285.0K
Hennion & Walsh Asset Management, Inc.	17,294	$223.0K
Fox Run Management, L.L.C.	15,214	$196.0K
Walleye Trading LLC	14,943	$192.0K
Ergoteles LLC	13,800	$178.0K
SG3 Management, LLC	10,000	$129.0K
Pinz Capital Management, LP	9,000	$116.0K
Quantbot Technologies LP	1,431	$18.0K
Savior LLC	333	$4.00K
Farmers & Merchants Investments Inc	166	$2.00K
Advisory Services Network, LLC	100	$1.00K

Not filed for Q3 2021 yet (3)

Institutions that held Ironwood Pharmaceuticals Inc at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRWD in Q2 2021 that haven't filed for Q3 2021
Institution	Shares, Q2 2021	Value, Q2 2021
Pictet Asset Management Ltd	1,058,856	$13.6M
Smith Asset Management Group LP	230	$3.00K
First Horizon Corp	12	$0