Skip to main content

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, Q4 2022

Institutional positions in Ironwood Pharmaceuticals Inc as of Dec 31, 2022. 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
250
+7 vs. Q3 2022
Shares held
167.8M
−1.88M (−1.1%) vs. Q3 2022
Total value
$2.08B
+$320.9M (+18.3%) vs. Q3 2022
New holders
29
94 more added
Sold out
22
88 more reduced

2 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 holdersQ4 2022: 250 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 heldQ4 2022: $2.08B
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, Q4 2022

Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q3 2022.

Institutions holding IRWD in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Advisory Research Inc30,293$375.3K0.04%−44−0.1%Reduced
ProShare Advisors LLC34,166$423.3K0.00%+2,580+8.2%Added
First Hawaiian Bank34,730$430.0K0.02%00.0%Unchanged
E Fund Management Co., Ltd.35,685$442.0K0.04%−7,619−17.6%Reduced
Campbell & CO Investment Adviser LLC36,327$450.1K0.11%+22,343+159.8%Added
Russell Investments Group, Ltd.37,372$463.0K0.00%+29,818+394.7%Added
LPL Financial LLC38,188$473.1K0.00%+3,499+10.1%Added
Panagora Asset Management Inc38,332$474.9K0.00%−9,186−19.3%Reduced
Arizona State Retirement System38,914$482.1K0.00%+1,289+3.4%Added
Aigen Investment Management, LP41,087$509.1K0.07%+41,087New
Teacher Retirement System of Texas41,646$516.0K0.00%−3,722−8.2%Reduced
Shell Asset Management Co41,841$518.0K0.02%−8,838−17.4%Reduced
Teachers Retirement System of the State of Kentucky42,008$521.0K0.01%00.0%Unchanged
EMC Capital Management43,315$537.0K0.48%+5,558+14.7%Added
Oregon Public Employees Retirement Fund44,288$548.7K0.01%+26+0.1%Added
Everence Capital Management Inc45,050$558.0K0.05%−9,440−17.3%Reduced
New York Life Investment Management LLC45,091$558.7K0.01%+5,083+12.7%Added
Grimes & Company, Inc.47,846$592.8K0.03%00.0%Unchanged
Intrinsic Value Partners, LLC51,905$643.0K0.88%−1,900−3.5%Reduced
Manufacturers Life Insurance Company, The54,452$674.7K0.00%−68−0.1%Reduced
Maryland State Retirement & Pension System55,115$682.9K0.02%+55,115New
New York State Teachers Retirement System56,519$700.0K0.00%00.0%Unchanged
Creative Planning57,347$710.5K0.00%+28,163+96.5%Added
International Biotechnology Trust PLC60,000$743.4K0.23%00.0%Unchanged
Gsa Capital Partners LLP60,949$755.0K0.09%+13,007+27.1%Added
Affinity Investment Advisors, LLC61,894$766.9K0.35%+478+0.8%Added
Mirae Asset Global Investments Co., Ltd.63,168$782.7K0.00%+58+0.1%Added
Louisiana State Employees Retirement System63,400$786.0K0.02%−300−0.5%Reduced
Amalgamated Bank65,661$814.0K0.01%00.0%Unchanged
Comerica Bank74,140$846.0K0.01%−23,987−24.4%Reduced
MetLife Investment Management70,128$868.9K0.01%00.0%Unchanged
Ritholtz Wealth Management71,164$881.7K0.05%+22,692+46.8%Added
Citadel Advisors LLC71,174$881.8K0.00%+52,655+284.3%Added
Old West Investment Management, LLC73,158$906.4K0.57%+645+0.9%Added
American International Group, Inc.74,058$917.6K0.01%−566−0.8%Reduced
Duality Advisers, LP75,009$929.4K0.11%−101,239−57.4%Reduced
Fisher Asset Management, LLC75,247$932.0K0.00%−21,494−22.2%Reduced
Gotham Asset Management, LLC75,322$933.2K0.03%−37,240−33.1%Reduced
Broderick Brian C79,000$978.8K0.29%00.0%Unchanged
Yousif Capital Management, LLC80,327$995.3K0.01%−23,105−22.3%Reduced
Ensign Peak Advisors, Inc89,200$1.11M0.00%+63,950+253.3%Added
Texas Permanent School Fund89,719$1.11M0.02%−6,157−6.4%Reduced
Price T Rowe Associates Inc92,695$1.15M0.00%−7,694−7.7%Reduced
State of Alaska, Department of Revenue92,928$1.15M0.01%+633+0.7%Added
Wells Fargo & Company94,899$1.18M0.00%−7,438−7.3%Reduced
State of Tennessee, Treasury Department102,088$1.26M0.01%−5,300−4.9%Reduced
Artal Group S.A.110,532$1.37M0.08%00.0%Unchanged
Voya Investment Management LLC112,861$1.40M0.00%+151+0.1%Added
ClariVest Asset Management LLC116,268$1.44M0.07%−33,119−22.2%Reduced
Jump Financial, LLC118,964$1.47M0.08%+104,220+706.9%Added
Globeflex Capital L P121,452$1.50M0.19%−35,174−22.5%Reduced
O'Shaughnessy Asset Management, LLC127,438$1.58M0.03%+32,162+33.8%Added
Voloridge Investment Management, LLC127,546$1.58M0.01%+127,546New
Martingale Asset Management L P131,590$1.63M0.03%+2,837+2.2%Added
Susquehanna International Group, LLP133,928$1.66M0.00%−146,820−52.3%Reduced
Prudential Financial Inc135,196$1.68M0.00%−1,011−0.7%Reduced
Thrivent Financial for Lutherans136,890$1.70M0.00%−916−0.7%Reduced
Assenagon Asset Management S.A.136,929$1.70M0.01%−10,707−7.3%Reduced
BNP Paribas Arbitrage, SA138,945$1.72M0.00%−447,827−76.3%Reduced
HSBC Holdings PLC142,137$1.76M0.00%+75,962+114.8%Added
Jane Street Group, LLC142,540$1.77M0.00%+89,907+170.8%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys142,825$1.77M0.01%+21,362+17.6%Added
State of Wisconsin Investment Board146,401$1.81M0.01%−8,606−5.6%Reduced
Great West Life Assurance Co148,257$1.84M0.00%−6,811−4.4%Reduced
Moran Wealth Management, LLC151,594$1.88M0.07%+151,594New
Hussman Strategic Advisors, Inc.156,000$1.93M0.31%00.0%Unchanged
UBS Asset Management Americas Inc165,354$2.05M0.00%+37,205+29.0%Added
Macquarie Group Ltd167,200$2.07M0.00%−3,790−2.2%Reduced
SEI Investments Co170,236$2.11M0.00%+17,918+11.8%Added
Qube Research & Technologies Ltd170,294$2.11M0.01%+36,763+27.5%Added
California State Teachers Retirement System174,470$2.16M0.00%+1,360+0.8%Added
Tamarack Advisers, LP175,000$2.17M1.57%+175,000New
Trexquant Investment LP176,686$2.19M0.06%+62,967+55.4%Added
Allspring Global Investments Holdings, LLC178,587$2.21M0.00%−114,617−39.1%Reduced
Mercer Global Advisors Inc179,036$2.22M0.01%+1,906+1.1%Added
State Board of Administration of Florida Retirement System190,253$2.36M0.01%−62,439−24.7%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main193,435$2.40M0.00%−35,749−15.6%Reduced
Winton Group Ltd199,140$2.47M0.16%+19,165+10.6%Added
State of New Jersey Common Pension Fund D201,150$2.49M0.01%−11,864−5.6%Reduced
Los Angeles Capital Management LLC201,345$2.49M0.01%+48,037+31.3%Added
Alliancebernstein L.P.202,227$2.51M0.00%+139+0.1%Added
Oak Associates, Ltd209,949$2.60M0.22%+174,849+498.1%Added
Envestnet Asset Management Inc224,134$2.78M0.00%+9,778+4.6%Added
Redwood Investment Management, LLC234,859$2.91M0.39%−10,387−4.2%Reduced
Jupiter Asset Management Ltd243,577$3.02M0.04%−46,425−16.0%Reduced
Alberta Investment Management Corp244,968$3.04M0.03%−22,348−8.4%Reduced
ExodusPoint Capital Management, LP252,217$3.13M0.05%+252,217New
Westfield Capital Management Co LP253,491$3.14M0.02%−679,278−72.8%Reduced
Phocas Financial Corp.253,694$3.14M0.45%−257−0.1%Reduced
Monarch Partners Asset Management LLC276,579$3.43M1.01%−26,971−8.9%Reduced
Deutsche Bank AG279,911$3.47M0.00%−637,171−69.5%Reduced
Connor, Clark & Lunn Investment Management Ltd.302,565$3.75M0.02%+302,565New
Cubist Systematic Strategies, LLC305,501$3.79M0.03%−20,999−6.4%Reduced
Capital Fund Management S.A.314,548$3.90M0.09%+67,563+27.4%Added
HRT Financial LP321,829$3.99M0.06%−355,404−52.5%Reduced
Ally Bridge Group (NY) LLC326,428$4.04M3.93%−416,142−56.0%Reduced
Swiss National Bank333,000$4.13M0.00%+4,700+1.4%Added
First Eagle Investment Management, LLC340,530$4.22M0.01%+85,030+33.3%Added
Schroder Investment Management Group346,209$4.29M0.01%−155,368−31.0%Reduced
Quantedge Capital Pte Ltd350,700$4.35M1.46%+47,700+15.7%Added