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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.

13F holders, Q1 2021

Institutional positions in Ironwood Pharmaceuticals Inc as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
210
No complete 13F data for Q4 2020
Shares held
171.1M
No complete 13F data for Q4 2020
Total value
$1.91B
No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting IRWD on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 210 institutions
Q1 2021: 210 institutionsQ2 2021: 209 institutionsQ3 2021: 229 institutionsQ4 2021: 212 institutionsQ1 2022: 221 institutionsQ2 2022: 240 institutionsQ3 2022: 245 institutionsQ4 2022: 250 institutionsQ1 2023: 255 institutionsQ2 2023: 252 institutionsQ3 2023: 249 institutionsQ4 2023: 251 institutionsQ1 2024: 261 institutionsQ2 2024: 227 institutionsQ3 2024: 221 institutionsQ4 2024: 223 institutionsQ1 2025: 200 institutionsQ2 2025: 155 institutionsQ3 2025: 166 institutionsQ4 2025: 199 institutionsQ1 2026: 227 institutionsQ2 2026: 212 institutions
Value heldQ1 2021: $1.91B
Q1 2021: $1.91BQ2 2021: $2.25BQ3 2021: $2.32BQ4 2021: $2.00BQ1 2022: $2.09BQ2 2022: $2.02BQ3 2022: $1.76BQ4 2022: $2.08BQ1 2023: $1.74BQ2 2023: $1.77BQ3 2023: $1.56BQ4 2023: $1.89BQ1 2024: $1.50BQ2 2024: $1.12BQ3 2024: $673.7MQ4 2024: $727.5MQ1 2025: $228.5MQ2 2025: $104.9MQ3 2025: $194.9MQ4 2025: $520.2MQ1 2026: $566.8MQ2 2026: $675.8M
Institutions holding IRWD and their total value by quarter
QuarterHoldersValue
Q2 2026212$675.8M
Q1 2026227$566.8M
Q4 2025199$520.2M
Q3 2025166$194.9M
Q2 2025155$104.9M
Q1 2025200$228.5M
Q4 2024223$727.5M
Q3 2024221$673.7M
Q2 2024227$1.12B
Q1 2024261$1.50B
Q4 2023251$1.89B
Q3 2023249$1.56B
Q2 2023252$1.77B
Q1 2023255$1.74B
Q4 2022250$2.08B
Q3 2022245$1.76B
Q2 2022240$2.02B
Q1 2022221$2.09B
Q4 2021212$2.00B
Q3 2021229$2.32B
Q2 2021209$2.25B
Q1 2021210$1.91B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding IRWD in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Marshall Wace North America L.P.75,110$840.0K0.00%––
Voya Investment Management LLC71,661$801.0K0.00%––
Globeflex Capital L P71,494$799.0K0.15%––
Allianz Asset Management GmbH71,418$798.0K0.00%––
Summit Global Investments71,042$794.0K0.05%––
Old West Investment Management, LLC70,343$786.0K0.34%––
Affinity Investment Advisors, LLC65,977$738.0K0.27%––
ProShare Advisors LLC64,916$726.0K0.00%––
Jane Street Group, LLC64,942$726.0K0.00%––
Simplex Trading, LLC63,937$714.0K0.04%––
Los Angeles Capital Management LLC61,042$682.0K0.00%––
MetLife Investment Management60,994$681.9K0.01%––
Zebra Capital Management LLC59,122$661.0K0.73%––
Shell Asset Management Co54,539$610.0K0.01%––
Trexquant Investment LP52,735$590.0K0.05%––
Envestnet Asset Management Inc51,546$576.0K0.00%––
Virtus ETF Advisers LLC51,311$574.0K0.24%––
Victory Capital Management Inc48,628$544.0K0.00%––
First Trust Advisors LP47,780$534.0K0.00%––
First Quadrant L P47,200$528.0K0.06%––
Mercer Global Advisors Inc45,888$513.0K0.00%––
Athanor Capital, LP45,833$512.0K0.02%––
Arizona State Retirement System44,274$495.0K0.00%––
Metropolitan Life Insurance Co42,902$479.6K0.01%––
Sawyer & Company, Inc41,000$458.0K0.23%––
Grimes & Company, Inc.40,501$453.0K0.02%––
Tudor Investment Corp Et Al40,418$452.0K0.01%––
Ameriprise Financial Inc37,154$416.0K0.00%––
First Hawaiian Bank34,730$388.0K0.02%––
The PNC Financial Services Group, Inc.32,568$364.0K0.00%––
Nelson, Van Denburg & Campbell Wealth Management Group, LLC32,545$363.0K0.04%––
Cannon Global Investment Management, LLC32,000$358.0K0.61%––
Wolverine Trading, LLC30,135$330.0K0.01%––
Tocqueville Asset Management L.P.28,531$319.0K0.00%––
CWM Advisors, LLC28,352$317.0K0.05%––
Handelsbanken Fonder AB27,055$302.0K0.00%––
HSBC Holdings PLC26,149$291.0K0.00%––
Public Employees Retirement Association of Colorado24,883$278.0K0.00%––
Nomura Holdings Inc23,713$265.0K0.00%––
Amalgamated Bank22,676$254.0K0.01%––
Evercore Wealth Management, LLC22,425$251.0K0.00%––
Ergoteles LLC21,600$241.0K0.01%––
Tower Research Capital LLC (TRC)21,498$240.0K0.00%––
Engineers Gate Manager LP21,368$239.0K0.01%––
Capital Fund Management S.A.21,292$238.0K0.01%––
Jump Financial, LLC21,000$235.0K0.02%––
Sawgrass Asset Management LLC20,345$227.0K0.02%––
First Republic Investment Management, Inc.19,613$219.0K0.00%––
Tokio Marine Asset Management Co Ltd19,600$219.0K0.02%––
Zurcher Kantonalbank (Zurich Cantonalbank)19,421$217.0K0.00%––
Belvedere Trading LLC18,750$210.0K0.10%––
Gotham Asset Management, LLC18,437$206.0K0.01%––
Teacher Retirement System of Texas16,980$190.0K0.00%––
US Bancorp16,388$183.0K0.00%––
Gerber Kawasaki Wealth & Investment Management16,098$179.0K0.02%––
SG Americas Securities, LLC15,531$174.0K0.00%––
Profund Advisors LLC15,392$172.0K0.01%––
Prudential Financial Inc15,360$172.0K0.00%––
Cruiser Capital Advisors, LLC15,000$168.0K0.15%––
First Manhattan Co14,925$166.0K0.00%––
Cim Investment Mangement Inc14,708$164.0K0.05%––
Boothbay Fund Management, LLC14,627$164.0K0.01%––
Quantitative Systematic Strategies LLC14,623$163.0K0.03%––
Zeke Capital Advisors, LLC14,126$158.0K0.01%––
XTX Topco Ltd13,698$153.0K0.07%––
Wedge Capital Management L L P13,337$149.0K0.00%––
Marshall Wace, LLP13,350$149.0K0.00%––
O'Shaughnessy Asset Management, LLC13,289$148.0K0.00%––
Ameritas Investment Partners, Inc.12,980$145.0K0.01%––
Hennion & Walsh Asset Management, Inc.12,883$144.0K0.01%––
Raymond James Financial Services Advisors, Inc.12,546$140.0K0.00%––
E Fund Management Co., Ltd.12,254$137.0K0.01%––
Pinnacle Wealth Planning Services, Inc.10,352$116.0K0.03%––
Great West Life Assurance Co10,270$114.0K0.00%––
LPL Financial LLC10,000$112.0K0.00%––
Group One Trading, L.P.9,466$106.0K0.00%––
Nisa Investment Advisors, LLC8,330$93.0K0.00%––
UBS Group AG8,220$92.0K0.00%––
Maven Securities LTD7,500$84.0K0.01%––
Pacer Advisors, Inc.6,889$77.0K0.00%––
Bank of Montreal6,167$64.0K0.00%––
Royal Bank of Canada4,221$47.0K0.00%––
Macquarie Group Ltd3,790$42.0K0.00%––
Captrust Financial Advisors3,722$42.0K0.00%––
Penserra Capital Management LLC3,650$40.0K0.00%––
State of Wyoming1,877$21.0K0.03%––
Sowell Financial Services LLC1,755$18.0K0.00%––
Advisor Group Holdings, Inc.1,645$18.0K0.00%––
Northwestern Mutual Wealth Management Co1,270$14.0K0.00%––
Wolverine Asset Management LLC1,339$14.0K0.00%––
Baillie Gifford & Co935$10.0K0.00%––
MV Capital Management, Inc.712$8.00K0.00%––
Signaturefd, LLC408$5.00K0.00%––
Savior LLC333$4.00K0.00%––
Smith Asset Management Group LP230$3.00K0.00%––
Daiwa Securities Group Inc.301$3.00K0.00%––
TCI Wealth Advisors, Inc.180$2.00K0.00%––
Glassman Wealth Services169$2.00K0.00%––
Quadrant Capital Group LLC155$2.00K0.00%––
McCarthy Asset Management, Inc.150$2.00K0.00%––