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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, Q3 2023

Institutional positions in Ironwood Pharmaceuticals Inc as of Sep 30, 2023. 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
249
−1 vs. Q2 2023
Shares held
159.7M
−6.42M (−3.9%) vs. Q2 2023
Total value
$1.56B
−$203.3M (−11.5%) vs. Q2 2023
New holders
38
77 more added
Sold out
39
101 more reduced

2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 249 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 heldQ3 2023: $1.56B
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, Q3 2023

Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q2 2023.

Institutions holding IRWD in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Fisher Asset Management, LLC102,931$991.2K0.00%+26,327+34.4%Added
Parkman Healthcare Partners LLC100,000$963.0K0.18%+100,000New
ClariVest Asset Management LLC96,581$930.0K0.05%+152+0.2%Added
Advisor Group Holdings, Inc.93,697$902.3K0.00%+77,826+490.4%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys91,796$884.0K0.01%−60,975−39.9%Reduced
Mirae Asset Global Investments Co., Ltd.91,060$876.9K0.00%+3,460+3.9%Added
Ensign Peak Advisors, Inc89,700$863.8K0.00%+500+0.6%Added
Public Employees Retirement System of Ohio89,500$862.0K0.00%+89,500New
State of Alaska, Department of Revenue85,488$823.0K0.01%−3,438−3.9%Reduced
State of Tennessee, Treasury Department77,762$748.8K0.00%−3,232−4.0%Reduced
Illinois Municipal Retirement Fund77,141$743.0K0.01%+77,141New
American International Group, Inc.75,981$731.7K0.00%+1,743+2.3%Added
Deutsche Bank AG74,167$714.2K0.00%−1,489,417−95.3%Reduced
Duality Advisers, LP73,808$710.8K0.09%+36,544+98.1%Added
Verition Fund Management LLC72,462$697.8K0.01%+38,397+112.7%Added
Point72 Middle East FZE72,310$696.3K0.04%+72,310New
Price T Rowe Associates Inc72,107$695.0K0.00%+10,762+17.5%Added
Manufacturers Life Insurance Company, The72,158$694.9K0.00%+15,905+28.3%Added
MetLife Investment Management71,570$689.2K0.01%00.0%Unchanged
Jennison Associates LLC71,240$686.0K0.00%+71,240New
Louisiana State Employees Retirement System69,900$673.1K0.02%−1,000−1.4%Reduced
Quantbot Technologies LP69,500$669.3K0.04%+34,000+95.8%Added
Creative Planning68,079$655.6K0.00%−4,575−6.3%Reduced
SummerHaven Investment Management, LLC67,765$652.6K0.48%+67,765New
Oak Associates, Ltd61,384$591.1K0.05%+9,517+18.3%Added
Amalgamated Bank57,603$555.0K0.00%00.0%Unchanged
Yousif Capital Management, LLC56,703$546.0K0.01%−3,414−5.7%Reduced
Old West Investment Management, LLC56,160$540.8K0.27%−21,590−27.8%Reduced
Comerica Bank55,493$534.4K0.00%+55,493New
New York State Teachers Retirement System52,440$505.0K0.00%−7,009−11.8%Reduced
HighTower Advisors, LLC50,490$489.0K0.00%+16,517+48.6%Added
Affinity Investment Advisors, LLC50,733$488.6K0.32%00.0%Unchanged
Maryland State Retirement & Pension System50,574$487.0K0.01%−2,081−4.0%Reduced
Los Angeles Capital Management LLC50,515$486.5K0.00%−164,146−76.5%Reduced
Intrinsic Value Partners, LLC50,355$484.9K0.62%−50−0.1%Reduced
Edgestream Partners, L.P.48,528$467.3K0.04%−9,139−15.8%Reduced
Cornercap Investment Counsel Inc47,941$461.7K0.08%+47,941New
E Fund Management Co., Ltd.44,896$432.0K0.03%+5,907+15.2%Added
State Board of Administration of Florida Retirement System44,394$427.5K0.00%−162,162−78.5%Reduced
Teachers Retirement System of the State of Kentucky44,349$427.0K0.00%00.0%Unchanged
EMC Capital Management43,315$417.0K0.31%+41,338+2,090.9%Added
Prairiewood Capital, LLC41,081$395.6K0.26%00.0%Unchanged
Allianz Asset Management GmbH41,000$394.8K0.00%00.0%Unchanged
Oregon Public Employees Retirement Fund40,816$393.1K0.01%−1,300−3.1%Reduced
Shell Asset Management Co40,830$393.0K0.02%−633−1.5%Reduced
Grimes & Company, Inc.40,051$385.7K0.01%00.0%Unchanged
Arizona State Retirement System39,808$383.4K0.00%+838+2.2%Added
Teacher Retirement System of Texas39,641$382.0K0.00%+2,002+5.3%Added
Broderick Brian C36,000$346.7K0.10%00.0%Unchanged
O'Shaughnessy Asset Management, LLC35,638$343.2K0.01%−97,463−73.2%Reduced
First Hawaiian Bank34,730$334.4K0.01%00.0%Unchanged
13D Management LLC34,301$330.3K0.21%−476,806−93.3%Reduced
Summit Global Investments33,225$320.0K0.02%+12,785+62.5%Added
Schonfeld Strategic Advisors LLC32,400$312.0K0.00%−188,878−85.4%Reduced
New Vernon Capital Holdings II LLC31,705$305.3K0.26%+4,837+18.0%Added
CWM Advisors, LLC31,669$305.0K0.04%+2,294+7.8%Added
ProShare Advisors LLC31,263$301.1K0.00%−348−1.1%Reduced
Schroder Investment Management Group30,256$291.4K0.00%+30,256New
Balyasny Asset Management LLC29,908$288.0K0.00%−1,658,105−98.2%Reduced
MQS Management LLC29,066$279.9K0.17%+29,066New
Handelsbanken Fonder AB28,955$279.0K0.00%00.0%Unchanged
First Manhattan Co28,758$276.9K0.00%+13,833+92.7%Added
Virtus ETF Advisers LLC27,538$265.2K0.16%−3,559−11.4%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)27,403$263.9K0.00%−412−1.5%Reduced
Sumitomo Mitsui Trust Holdings, Inc.27,373$263.6K0.00%−14,000−33.8%Reduced
Robeco Institutional Asset Management B.V.27,336$263.2K0.00%00.0%Unchanged
AXA S.A.26,800$258.1K0.00%−5,000−15.7%Reduced
Prospera Financial Services Inc26,067$251.0K0.01%00.0%Unchanged
NinePointTwo Capital26,046$250.0K0.10%+26,046New
Tower Research Capital LLC (TRC)25,369$244.3K0.01%+11,181+78.8%Added
Public Employees Retirement Association of Colorado24,883$240.0K0.00%00.0%Unchanged
Quent Capital, LLC24,500$235.9K0.04%00.0%Unchanged
Mariner, LLC24,254$233.6K0.00%−5,657−18.9%Reduced
Dark Forest Capital Management LP24,195$233.0K0.02%+24,195New
Mutual of America Capital Management LLC24,064$231.7K0.00%−2,333−8.8%Reduced
Royal Bank of Canada22,618$218.0K0.00%+9,086+67.1%Added
Gotham Asset Management, LLC21,379$205.9K0.00%−71,663−77.0%Reduced
Virtus Investment Advisers, Inc.21,173$203.9K0.14%00.0%Unchanged
Everence Capital Management Inc20,430$197.0K0.02%+10,340+102.5%Added
Clearstead Advisors, LLC20,000$192.6K0.01%00.0%Unchanged
Axq Capital, LP20,000$192.6K0.07%+20,000New
State of Wyoming19,870$191.3K0.04%−8,350−29.6%Reduced
Franklin Resources Inc19,756$190.3K0.00%−3,381−14.6%Reduced
GW Henssler & Associates Ltd19,321$186.1K0.01%+19,321New
Cipher Capital LP18,128$174.6K0.12%+18,128New
LPL Financial LLC17,764$171.1K0.00%−21,333−54.6%Reduced
Amundi17,292$161.7K0.00%−53−0.3%Reduced
Pictet Asset Management Holding SA16,495$158.8K0.00%+16,495New
Corton Capital Inc.16,178$155.8K0.08%+16,178New
FMR LLC16,060$154.7K0.00%−5,084−24.0%Reduced
XTX Topco Ltd16,013$154.2K0.03%−34,638−68.4%Reduced
Vident Advisory, LLC15,876$152.9K0.00%+15,876New
Lazard Asset Management LLC15,391$148.0K0.00%+8,779+132.8%Added
Simplex Trading, LLC15,318$147.0K0.01%+7,372+92.8%Added
Xponance, Inc.14,911$143.6K0.00%+14,911New
Quantamental Technologies LLC14,684$141.4K0.13%+14,684New
Brevan Howard Capital Management LP14,598$140.6K0.04%+14,598New
Virginia Retirement Systems Et Al14,000$134.8K0.00%+14,000New
Raymond James Financial Services Advisors, Inc.13,847$133.3K0.00%+76+0.6%Added
Ameritas Investment Partners, Inc.13,773$132.6K0.01%+2,326+20.3%Added