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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 2023

Institutional positions in Ironwood Pharmaceuticals Inc as of Mar 31, 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
255
+7 vs. Q4 2022
Shares held
164.6M
−2.86M (−1.7%) vs. Q4 2022
Total value
$1.74B
−$331.6M (−16.0%) vs. Q4 2022
New holders
27
107 more added
Sold out
20
79 more reduced

2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2023: 255 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 2023: $1.74B
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 2023

Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q4 2022.

Institutions holding IRWD in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Rhumbline Advisers415,825$4.37M0.01%+15,766+3.9%Added
Hillsdale Investment Management Inc.420,617$4.42M0.38%00.0%Unchanged
Jupiter Asset Management Ltd431,267$4.54M0.06%+187,690+77.1%Added
Foundry Partners, LLC455,415$4.79M0.30%+24,640+5.7%Added
ExodusPoint Capital Management, LP472,023$4.97M0.06%+219,806+87.1%Added
First Eagle Investment Management, LLC491,364$5.17M0.01%+150,834+44.3%Added
Connor, Clark & Lunn Investment Management Ltd.492,524$5.18M0.03%+189,959+62.8%Added
Price Jennifer C.520,000$5.47M1.74%00.0%Unchanged
13D Management LLC533,562$5.61M2.85%00.0%Unchanged
Quantedge Capital Pte Ltd541,200$5.69M2.22%+190,500+54.3%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main553,776$5.83M0.01%+360,341+186.3%Added
Citigroup Inc582,927$6.13M0.01%+91,514+18.6%Added
Rafferty Asset Management, LLC622,175$6.55M0.04%−58,837−8.6%Reduced
Cubist Systematic Strategies, LLC625,373$6.58M0.06%+319,872+104.7%Added
Ameriprise Financial Inc631,267$6.64M0.00%+24,127+4.0%Added
JPMorgan Chase & Co635,108$6.68M0.00%−1,353,519−68.1%Reduced
Great Lakes Advisors, LLC658,935$6.93M0.06%−38,977−5.6%Reduced
AQR Capital Management LLC680,702$7.16M0.02%+21,505+3.3%Added
UBS Group AG787,084$8.28M0.00%−33,197−4.0%Reduced
D. E. Shaw & Co., Inc.800,723$8.42M0.01%+173,337+27.6%Added
New York State Common Retirement Fund833,948$8.77M0.01%−28,131−3.3%Reduced
Principal Financial Group Inc849,117$8.93M0.01%−24,325−2.8%Reduced
Hotchkis & Wiley Capital Management LLC942,160$9.91M0.04%+148,640+18.7%Added
Balyasny Asset Management LLC950,736$10.0M0.03%+950,736New
American Century Companies Inc1,024,189$10.8M0.01%−218,206−17.6%Reduced
Glenmede Trust Co NA1,049,013$11.0M0.06%+11,347+1.1%Added
Bank of America Corp1,056,109$11.1M0.00%+122,998+13.2%Added
Goldman Sachs Group Inc1,077,297$11.3M0.00%+59,169+5.8%Added
Deutsche Bank AG1,203,961$12.7M0.01%+924,050+330.1%Added
Bank of New York Mellon Corp1,265,953$13.3M0.00%−673−0.1%Reduced
Millennium Management LLC1,382,548$14.5M0.02%−2,607,394−65.3%Reduced
Man Group plc–$14.6M0.05%––
Charles Schwab Investment Management Inc1,506,691$15.9M0.00%+418,419+38.4%Added
Two Sigma Investments, LP1,524,221$16.0M0.05%−60,465−3.8%Reduced
Norges Bank1,536,774$16.2M0.00%+15,146+1.0%Added
Nuveen Asset Management, LLC1,605,096$16.9M0.01%−204,093−11.3%Reduced
Northern Trust Corp1,638,545$17.2M0.00%+7,966+0.5%Added
Invesco Ltd.1,758,794$18.5M0.01%+55,584+3.3%Added
Royce & Associates LP1,886,247$19.8M0.20%+210,758+12.6%Added
Jane Street Group, LLC1,925,882$20.3M0.03%+1,783,342+1,251.1%Added
Two Sigma Advisers, LP1,954,900$20.6M0.05%+236,000+13.7%Added
Pacer Advisors, Inc.2,261,800$23.8M0.10%+711,756+45.9%Added
Geode Capital Management, LLC2,633,804$27.7M0.00%+118,514+4.7%Added
Victory Capital Management Inc3,030,332$31.9M0.04%+127,656+4.4%Added
Morgan Stanley3,798,993$40.0M0.00%+1,140,486+42.9%Added
Brown Capital Management LLC3,933,933$41.4M0.62%−63,112−1.6%Reduced
Dimensional Fund Advisors LP4,609,079$48.5M0.02%+946,481+25.8%Added
Renaissance Technologies LLC4,637,753$48.8M0.06%+263,600+6.0%Added
Credit Suisse AG5,171,669$54.4M0.06%−29,034−0.6%Reduced
Wellington Management Group LLP6,178,438$65.0M0.01%−7,161,939−53.7%Reduced
LSV Asset Management7,577,709$79.7M0.18%−348,688−4.4%Reduced
State Street Corp10,481,842$110.3M0.01%−697,736−6.2%Reduced
Vanguard Group Inc14,974,316$157.5M0.00%+241,747+1.6%Added
Sarissa Capital Management LP16,390,000$172.4M22.05%00.0%Unchanged
BlackRock Inc.25,317,910$266.3M0.01%−455,471−1.8%Reduced
Ally Bridge Group (NY) LLC0$00.00%−326,428−100.0%Sold out
Phocas Financial Corp.0$00.00%−253,694−100.0%Sold out
Westfield Capital Management Co LP0$00.00%−253,491−100.0%Sold out
Globeflex Capital L P0$00.00%−121,452−100.0%Sold out
New York Life Investment Management LLC0$00.00%−45,091−100.0%Sold out
Seven Eight Capital, LP0$00.00%−29,843−100.0%Sold out
Natixis Advisors, L.P.0$00.00%−27,475−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−24,700−100.0%Sold out
Acrisure Capital Management, LLC0$00.00%−23,406−100.0%Sold out
Watershed Asset Management, L.L.C.0$00.00%−23,366−100.0%Sold out
NinePointTwo Capital0$00.00%−16,024−100.0%Sold out
Sumitomo Mitsui Trust Holdings, Inc.0$00.00%−10,868−100.0%Sold out
IFP Advisors, Inc0$00.00%−2,013−100.0%Sold out
Anfield Capital Management, LLC0$00.00%−2,433−100.0%Sold out
One Wealth Advisors, LLC0$00.00%−1,104−100.0%Sold out
Corrado Advisors, LLC0$00.00%−200−100.0%Sold out
Coastal Capital Group, Inc.0$00.00%−100−100.0%Sold out
Rockefeller Capital Management L.P.0$00.00%−99−100.0%Sold out
Ellevest, Inc.0$00.00%−40−100.0%Sold out
Sutton Wealth Advisors Inc.0$00.00%−9−100.0%Sold out
Monarch Partners Asset Management LLC––––Not filed
Comerica Bank––––Not filed