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Livermore
Livermore
ZHEN

Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

IRWD holding history

Ironwood Pharmaceuticals Inc in every 13F filed by Renaissance Technologies LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

IRWD overviewAll 13F holders of IRWDFull Q2 2026 holdings

Shares (Q2 2026)
7,993,226
Value
$33.7M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of IRWD by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20267,993,226$33.7M<0.1%−67,847−0.8%ReducedHolders
Q1 20268,061,073$28.3M<0.1%−143,900−1.8%ReducedHolders
Q4 20258,204,973$27.7M<0.1%−147,200−1.8%ReducedHolders
Q3 20258,352,173$10.9M<0.1%−53,996−0.6%ReducedHolders
Q2 20258,406,169$6.03M<0.1%−1,534,323−15.4%ReducedHolders
Q1 20259,940,492$14.6M<0.1%+874,251+9.6%AddedHolders
Q4 20249,066,241$40.2M0.1%+469,043+5.5%AddedHolders
Q3 20248,597,198$35.4M0.1%+25,300+0.3%AddedHolders
Q2 20248,571,898$55.9M0.1%+1,472,097+20.7%AddedHolders
Q1 20247,099,801$61.8M0.1%+503,903+7.6%AddedHolders
Q4 20236,595,898$75.5M0.1%+796,000+13.7%AddedHolders
Q3 20235,799,898$55.9M0.1%+480,445+9.0%AddedHolders
Q2 20235,319,453$56.6M0.1%+681,700+14.7%AddedHolders
Q1 20234,637,753$48.8M0.1%+263,600+6.0%AddedHolders
Q4 20224,374,153$54.2M0.1%−999,000−18.6%ReducedHolders
Q3 20225,373,153$55.7M0.1%−42,200−0.8%ReducedHolders
Q2 20225,415,353$62.4M0.1%+2,292,300+73.4%AddedHolders
Q1 20223,123,053$39.3M<0.1%+443,800+16.6%AddedHolders
Q4 20212,679,253$31.2M<0.1%+469,700+21.3%AddedHolders
Q3 20212,209,553$28.9M<0.1%−1,228,500−35.7%ReducedHolders
Q2 20213,438,053$44.2M0.1%+297,300+9.5%AddedHolders
Q1 20213,140,753$35.1M<0.1%––Holders

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