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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 2024

Institutional positions in Ironwood Pharmaceuticals Inc as of Mar 31, 2024. 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
261
+11 vs. Q4 2023
Shares held
172.4M
+7.41M (+4.5%) vs. Q4 2023
Total value
$1.50B
−$385.6M (−20.4%) vs. Q4 2023
New holders
54
85 more added
Sold out
43
84 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: new holders, sold out and not filed yet

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 2024: 261 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 2024: $1.50B
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 2024

Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q4 2023.

Institutions holding IRWD in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Mirae Asset Global Investments Co., Ltd.94,683$936.1K0.00%+4,522+5.0%Added
Voya Investment Management LLC105,907$922.5K0.00%−10,150−8.7%Reduced
Fisher Asset Management, LLC104,947$914.1K0.00%+1,816+1.8%Added
Twinbeech Capital LP102,768$895.1K0.02%+74,609+265.0%Added
Massachusetts Financial Services Co98,460$857.6K0.00%−217−0.2%Reduced
ClariVest Asset Management LLC95,682$833.4K0.09%−816−0.8%Reduced
Wellington Management Group LLP95,094$828.3K0.00%−2,324−2.4%Reduced
Clearline Capital LP92,870$808.9K0.08%+92,870New
FMR LLC89,363$778.3K0.00%−8,486−8.7%Reduced
Price T Rowe Associates Inc85,577$746.0K0.00%+4,993+6.2%Added
Ensign Peak Advisors, Inc85,392$743.8K0.00%−4,308−4.8%Reduced
Los Angeles Capital Management LLC85,343$743.3K0.00%+57,806+209.9%Added
GMT Capital Corp83,800$729.9K0.03%−272,600−76.5%Reduced
State of Alaska, Department of Revenue83,698$729.0K0.01%−827−1.0%Reduced
First Trust Advisors LP81,912$713.5K0.00%−217,333−72.6%Reduced
Manufacturers Life Insurance Company, The80,087$697.6K0.00%+8,239+11.5%Added
Entropy Technologies, LP79,541$692.8K0.07%+79,541New
Allspring Global Investments Holdings, LLC79,361$691.2K0.00%+30,745+63.2%Added
State of Tennessee, Treasury Department79,181$689.7K0.00%+2,680+3.5%Added
Aquatic Capital Management LLC78,800$686.3K0.02%+78,800New
STRS Ohio77,700$676.0K0.00%+77,700New
Guggenheim Capital LLC77,190$672.3K0.00%−163,681−68.0%Reduced
American International Group, Inc.74,691$650.6K0.00%−666−0.9%Reduced
Gotham Asset Management, LLC73,954$644.1K0.01%+11,903+19.2%Added
MetLife Investment Management71,570$623.4K0.00%00.0%Unchanged
SummerHaven Investment Management, LLC69,539$605.7K0.38%+794+1.2%Added
Mariner, LLC68,790$599.2K0.00%+41,854+155.4%Added
Louisiana State Employees Retirement System68,000$592.3K0.01%−700−1.0%Reduced
Jane Street Group, LLC67,482$587.8K0.00%−229,429−77.3%Reduced
Janus Henderson Group PLC66,977$583.0K0.00%+40.0%Added
Tudor Investment Corp Et Al64,350$560.5K0.01%+64,350New
Oak Associates, Ltd61,384$534.7K0.04%00.0%Unchanged
Duality Advisers, LP58,915$513.1K0.05%−5,927−9.1%Reduced
Verition Fund Management LLC56,583$492.8K0.00%+56,583New
Old West Investment Management, LLC56,457$491.7K0.25%−464−0.8%Reduced
Harbor Capital Advisors, Inc.55,857$487.0K0.06%+55,857New
Sumitomo Mitsui Trust Holdings, Inc.55,867$486.6K0.00%+55,867New
XTX Topco Ltd55,658$484.8K0.07%+9,213+19.8%Added
Cipher Capital LP52,901$460.8K0.21%+5,353+11.3%Added
New York State Teachers Retirement System52,420$457.0K0.00%+13,920+36.2%Added
New Vernon Capital Holdings II LLC52,443$456.8K0.24%00.0%Unchanged
Dark Forest Capital Management LP51,829$451.4K0.08%+51,829New
Wells Fargo & Company51,290$446.7K0.00%+6,860+15.4%Added
Daiwa Securities Group Inc.50,870$443.0K0.00%+48,397+1,957.0%Added
Yousif Capital Management, LLC50,649$441.2K0.00%−5,749−10.2%Reduced
Creative Planning49,599$432.0K0.00%−40,857−45.2%Reduced
Comerica Bank49,459$430.8K0.00%−5,945−10.7%Reduced
E Fund Management Co., Ltd.48,097$418.9K0.03%+10,410+27.6%Added
Handelsbanken Fonder AB47,855$417.0K0.00%00.0%Unchanged
Intrinsic Value Partners, LLC47,745$415.9K0.44%−1,710−3.5%Reduced
US Bancorp45,770$398.7K0.00%+5,930+14.9%Added
Teachers Retirement System of the State of Kentucky44,349$386.0K0.00%00.0%Unchanged
Maryland State Retirement & Pension System49,935$382.3K0.01%00.0%Unchanged
Amalgamated Bank43,209$376.0K0.00%−10,560−19.6%Reduced
Point72 (DIFC) Ltd41,918$365.1K0.03%+41,918New
Wolverine Asset Management LLC40,822$355.6K0.01%+40,822New
CWM Advisors, LLC40,769$355.1K0.04%+6,992+20.7%Added
Prairiewood Capital, LLC39,306$342.4K0.16%−1,775−4.3%Reduced
ProShare Advisors LLC38,883$338.7K0.00%+2,917+8.1%Added
Arizona State Retirement System38,617$336.4K0.00%−638−1.6%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)37,815$329.4K0.00%+5,094+15.6%Added
Grimes & Company, Inc.37,759$328.9K0.01%−1,381−3.5%Reduced
Jefferies Financial Group Inc.36,750$320.1K0.01%−195,331−84.2%Reduced
Oregon Public Employees Retirement Fund36,750$320.1K0.01%−3,366−8.4%Reduced
Broderick Brian C36,000$313.6K0.07%00.0%Unchanged
State of Wyoming35,995$313.5K0.05%+24,592+215.7%Added
UniSuper Management Pty Ltd35,307$307.5K0.00%+35,307New
Virtus ETF Advisers LLC33,277$289.8K0.15%+4,788+16.8%Added
Shay Capital LLC33,000$287.4K0.08%+33,000New
AXA S.A.31,426$273.7K0.00%−75,417−70.6%Reduced
Teacher Retirement System of Texas31,271$272.0K0.00%−1,198−3.7%Reduced
China Universal Asset Management Co., Ltd.30,091$262.1K0.03%+12,030+66.6%Added
Sherbrooke Park Advisers LLC30,074$261.9K0.05%+30,074New
Campbell & CO Investment Adviser LLC29,708$258.8K0.02%+29,708New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys29,671$258.4K0.00%+23+0.1%Added
Brevan Howard Capital Management LP28,974$252.4K0.02%−19,654−40.4%Reduced
Corton Capital Inc.28,006$243.9K0.09%−6,685−19.3%Reduced
Gerber, LLC27,600$240.4K0.20%00.0%Unchanged
Robeco Institutional Asset Management B.V.27,336$238.1K0.00%00.0%Unchanged
Captrust Financial Advisors26,750$233.0K0.00%−3,013−10.1%Reduced
Public Employees Retirement Association of Colorado24,883$217.0K0.00%00.0%Unchanged
Quent Capital, LLC24,500$213.4K0.02%00.0%Unchanged
EMC Capital Management23,893$208.0K0.12%−19,422−44.8%Reduced
Mutual of America Capital Management LLC23,670$206.2K0.00%−378−1.6%Reduced
Prelude Capital Management, LLC22,399$195.1K0.01%+22,399New
Teza Capital Management LLC21,733$189.3K0.03%+21,733New
Shell Asset Management Co28,496$186.0K0.01%−2,856−9.1%Reduced
Virtus Investment Advisers, Inc.21,173$184.4K0.13%00.0%Unchanged
Amundi24,089$183.1K0.00%+5,197+27.5%Added
Everence Capital Management Inc20,430$178.0K0.01%00.0%Unchanged
Tokio Marine Asset Management Co Ltd18,800$163.7K0.01%+6,000+46.9%Added
Gallacher Capital Management LLC17,383$151.4K0.08%+17,383New
Envestnet Asset Management Inc16,712$145.6K0.00%+5,885+54.4%Added
Pictet Asset Management Holding SA16,495$143.7K0.00%00.0%Unchanged
Bridgefront Capital, LLC16,327$142.2K0.11%+16,327New
HSBC Holdings PLC16,183$141.0K0.00%−13,474−45.4%Reduced
Raymond James Financial Services Advisors, Inc.15,330$133.5K0.00%00.0%Unchanged
Savant Capital, LLC15,257$132.9K0.00%+15,257New
Lazard Asset Management LLC14,542$126.0K0.00%−860−5.6%Reduced
O'Shaughnessy Asset Management, LLC14,438$125.8K0.00%−7,803−35.1%Reduced