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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, Q2 2025

Institutional positions in Ironwood Pharmaceuticals Inc as of Jun 30, 2025. 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
155
−45 vs. Q1 2025
Shares held
146.2M
−9.26M (−6.0%) vs. Q1 2025
Total value
$104.9M
−$123.6M (−54.1%) vs. Q1 2025
New holders
19
60 more added
Sold out
64
51 more reduced

Compare with Q1 2025: 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 holdersQ2 2025: 155 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 heldQ2 2025: $104.9M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q1 2025.

Institutions holding IRWD in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Great West Life Assurance Co0$00.00%−13,282−100.0%Sold out
Farringdon Capital, Ltd.0$00.00%−13,468−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−12,612−100.0%Sold out
Skopos Labs, Inc.0$00.00%−6,699−100.0%Sold out
Smartleaf Asset Management LLC0$00.00%−2,652−100.0%Sold out
AdvisorNet Financial, Inc0$00.00%−1,573−100.0%Sold out
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.0$00.00%−1,043−100.0%Sold out
Rothschild Investment LLC0$00.00%−725−100.0%Sold out
Comerica Bank0$00.00%−698−100.0%Sold out
Picton Mahoney Asset Management0$00.00%−808−100.0%Sold out
Fortitude Family Office, LLC0$00.00%−610−100.0%Sold out
Clear Street Markets LLC0$00.00%−306−100.0%Sold out
Northwestern Mutual Wealth Management Co0$00.00%−270−100.0%Sold out
Private Wealth Asset Management, LLC0$00.00%−209−100.0%Sold out
CoreCap Advisors, LLC0$00.00%−175−100.0%Sold out
Boston Private Wealth LLC0$00.00%−121−100.0%Sold out
The PNC Financial Services Group, Inc.0$00.00%−106−100.0%Sold out
Farther Finance Advisors, LLC0$00.00%−82−100.0%Sold out
Versant Capital Management, Inc0$00.00%−60−100.0%Sold out