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Ironwood Pharmaceuticals Inc

IRWD
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001446847

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.

Q2 2021 vs. Q1 2021

How the institutions holding Ironwood Pharmaceuticals Inc changed between Q1 2021 and Q2 2021.

All holders in Q2 2021All holders in Q1 2021

13F holders of IRWD: Q1 2021 compared with Q2 2021
MeasureQ1 2021Of which not filed for Q2 2021Q2 2021Change
Holders2102209+1
Shares171.1M136.6K174.5M+3.51M (+2.1%)
Value$1.91B$1.53M$2.25B+$334.2M (+17.5%)

2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (32)

Institutions that held Ironwood Pharmaceuticals Inc at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to IRWD in Q2 2021
InstitutionSharesValue% of portfolio
AXA S.A.432,900$5.57M0.02%
Clark Estates Inc355,000$4.57M0.60%
Alberta Investment Management Corp154,327$1.99M0.02%
Old Mission Capital LLC130,362$1.68M0.06%
APG Asset Management N.V.123,900$1.34M0.00%
Creative Planning104,303$1.34M0.00%
Jackson Creek Investment Advisors LLC99,392$1.28M0.48%
Panagora Asset Management Inc92,451$1.19M0.01%
HRT Financial LP79,184$1.02M0.01%
Verition Fund Management LLC63,277$815.0K0.01%
Schonfeld Strategic Advisors LLC47,118$607.0K0.01%
Susquehanna Fundamental Investments, LLC37,687$485.0K0.01%
Diversified Trust Co36,506$470.0K0.02%
SEI Investments Co32,857$440.0K0.00%
Quantitative Investment Management, LLC22,175$285.0K0.03%
Capula Management Ltd21,525$277.0K0.05%
Euclidean Technologies Management, LLC18,475$238.0K0.19%
Centiva Capital, LP17,897$230.0K0.02%
Fox Run Management, L.L.C.15,214$196.0K0.18%
Walleye Trading LLC14,943$192.0K0.01%
Carroll Financial Associates, Inc.14,844$191.0K0.01%
Campbell & CO Investment Adviser LLC12,166$157.0K0.07%
SG3 Management, LLC10,000$129.0K0.05%
Pinz Capital Management, LP9,000$116.0K0.03%
Quantbot Technologies LP1,431$18.0K0.00%
Clean Yield Group702$9.00K0.00%
Lake Point Wealth Management735$9.00K0.00%
Dark Forest Capital Management LP733$9.00K0.00%
NewSquare Capital LLC595$8.00K0.00%
West Branch Capital LLC423$5.00K0.00%
Farmers & Merchants Investments Inc166$2.00K0.00%
Advisory Services Network, LLC100$1.00K0.00%

Sold out (31)

Institutions that held Ironwood Pharmaceuticals Inc at the end of Q1 2021 and filed for Q2 2021 without it.

Not filed for Q2 2021 yet (2)

Institutions that held Ironwood Pharmaceuticals Inc at the end of Q1 2021 and haven't filed a 13F for Q2 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRWD in Q1 2021 that haven't filed for Q2 2021
InstitutionShares, Q1 2021Value, Q1 2021
Sullivan, Bruyette, Speros & Blaney, LLC124,303$1.39M
E Fund Management Co., Ltd.12,254$137.0K