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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 2026

Institutional positions in Ironwood Pharmaceuticals Inc as of Jun 30, 2026. 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
212
−12 vs. Q1 2026
Shares held
160.6M
−651.8K (−0.4%) vs. Q1 2026
Total value
$675.8M
+$110.1M (+19.5%) vs. Q1 2026
New holders
24
73 more added
Sold out
36
84 more reduced

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 212 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 2026: $675.8M
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 2026

Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q1 2026.

Institutions holding IRWD in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Walleye Capital LLC1$40.00%−225,135−100.0%Reduced
Smartleaf Asset Management LLC1$40.00%00.0%Unchanged
Ritter Daniher Financial Advisory LLC6$260.00%+6New
Steward Partners Investment Advisory, LLC17$720.00%00.0%Unchanged
International Assets Investment Management, LLC29$1190.00%+29New
Ronald Blue Trust, Inc.34$1430.00%00.0%Unchanged
Keating Financial Advisory Services, Inc.66$2780.00%00.0%Unchanged
Clearstead Advisors, LLC73$3080.00%+73New
Clean Yield Group85$3580.00%00.0%Unchanged
Wealth Enhancement Trust Services, Inc.119$5010.00%+119New
National Bank of Canada136$5730.00%−43,958−99.7%Reduced
Dogwood Wealth Management LLC189$7960.00%+189New
Pinnacle Wealth Planning Services, Inc.201$8460.00%00.0%Unchanged
C M Bidwell & Associates Ltd225$9470.00%+225New
CoreCap Advisors, LLC235$9890.00%00.0%Unchanged
Covestor Ltd317$1.00K0.00%+222+233.7%Added
Quarry LP273$1.15K0.00%+273New
Signaturefd, LLC304$1.28K0.00%−432−58.7%Reduced
SJS Investment Consulting Inc.388$1.63K0.00%+83+27.2%Added
Farther Finance Advisors, LLC395$1.67K0.00%−1,140−74.3%Reduced
Avion Wealth516$2.00K0.00%+108+26.5%Added
Basecamp Wealth Advisors LLC542$2.28K0.00%−54−9.1%Reduced
Action Point Financial Planning, LLC569$2.40K0.00%+569New
Truvestments Capital LLC643$2.71K0.00%+643New
Sterling Capital Management LLC782$3.29K0.00%−571−42.2%Reduced
IAG Wealth Partners, LLC1,000$4.21K0.00%00.0%Unchanged
Fortitude Family Office, LLC1,114$4.69K0.00%+1,114New
SBI Securities Co., Ltd.1,311$5.52K0.00%+25+1.9%Added
Advisor Group Holdings, Inc.1,311$5.52K0.00%+1,201+1,091.8%Added
Nisa Investment Advisors, LLC1,627$6.85K0.00%00.0%Unchanged
Optiver Holding B.V.1,646$6.93K0.00%+132+8.7%Added
UMA Financial Services, Inc.1,669$7.03K0.00%00.0%Unchanged
Rothschild Investment LLC1,763$7.42K0.00%−21−1.2%Reduced
WealthCollab, LLC1,970$8.29K0.00%00.0%Unchanged
Rialto Wealth Management, LLC2,174$9.15K0.00%00.0%Unchanged
California State Teachers Retirement System2,241$9.44K0.00%−6,418−74.1%Reduced
Jones Financial Companies LLLP2,286$9.44K0.00%+293+14.7%Added
IFP Advisors, Inc2,316$9.75K0.00%−1,717−42.6%Reduced
GAMMA Investing LLC2,382$10.0K0.00%−29−1.2%Reduced
True Wealth Design, LLC2,390$10.1K0.00%+29+1.2%Added
GWM Advisors LLC2,392$10.1K0.00%+2,392New
Rockefeller Capital Management L.P.2,732$11.5K0.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd3,076$12.9K0.00%+2,554+489.3%Added
GF Fund Management Co. Ltd.3,452$14.5K0.00%−184−5.1%Reduced
Quantbot Technologies LP4,187$17.6K0.00%+3,431+453.8%Added
Allworth Financial LP4,593$19.3K0.00%+596+14.9%Added
Royal Bank of Canada5,127$22.0K0.00%+3,666+250.9%Added
Zurcher Kantonalbank (Zurich Cantonalbank)5,827$24.5K0.00%+2,748+89.2%Added
Private Wealth Asset Management, LLC6,000$25.3K0.00%00.0%Unchanged
Owl Creek Wealth Partners LLC6,195$26.1K0.01%00.0%Unchanged
Essential Partners LLC6,232$26.2K0.01%−15,870−71.8%Reduced
Global Retirement Partners, LLC8,493$35.8K0.00%+8,493New
Two Sigma Securities, LLC10,030$42.2K0.00%+10,030New
Bull Harbor Capital LLC10,128$42.6K0.01%−3,593−26.2%Reduced
Coldstream Capital Management Inc10,269$43.2K0.00%−1,119−9.8%Reduced
Savvy Advisors, Inc.10,332$43.5K0.00%+10,332New
Chicago Partners Investment Group LLC11,972$45.4K0.00%−6,511−35.2%Reduced
Allegiance Financial Group Advisory Services LLC10,875$45.8K0.01%+158+1.5%Added
Stonebrook Private Inc.10,979$46.2K0.01%+53+0.5%Added
EverSource Wealth Advisors, LLC11,905$50.1K0.00%−8,431−41.5%Reduced
Ariadne Wealth Management, LP11,957$50.3K0.02%−607−4.8%Reduced
Principal Financial Group Inc12,025$50.6K0.00%+650+5.7%Added
Neuberger Berman Group LLC12,448$52.4K0.00%−62−0.5%Reduced
Range Financial Group LLC12,868$54.2K0.01%−420,388−97.0%Reduced
Abel Hall, LLC13,450$56.6K0.01%+542+4.2%Added
Ameritas Investment Partners, Inc.13,773$58.0K0.00%00.0%Unchanged
Calamos Advisors LLC14,520$61.1K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)14,913$62.8K0.00%+3,507+30.7%Added
Cetera Investment Advisers15,005$63.2K0.00%+3,056+25.6%Added
Xponance, Inc.15,599$65.7K0.00%+1,262+8.8%Added
Integrated Wealth Concepts LLC15,863$66.8K0.00%−12,709−44.5%Reduced
Legal & General Group Plc15,904$67.0K0.00%+1,616+11.3%Added
NorthCrest Asset Manangement, LLC14,476$67.6K0.00%−2,923−16.8%Reduced
MAI Capital Management16,408$69.1K0.00%+9,844+150.0%Added
HighTower Advisors, LLC16,639$70.0K0.00%−3,281−16.5%Reduced
Broderick Brian C18,000$75.8K0.01%00.0%Unchanged
Magnus Financial Group LLC18,005$75.8K0.01%+18,005New
Prelude Capital Management, LLC18,400$77.5K0.01%+18,400New
Royce & Associates LP18,553$78.1K0.00%+18,553New
E Fund Management Co., Ltd.21,556$90.8K0.00%−5,674−20.8%Reduced
Commonwealth Equity Services, LLC25,478$107.3K0.00%−1,000−3.8%Reduced
LPL Financial LLC25,826$108.7K0.00%+25,826New
China Universal Asset Management Co., Ltd.26,198$110.3K0.01%−2,738−9.5%Reduced
Krilogy Financial LLC26,348$110.9K0.00%−6,846−20.6%Reduced
ProShare Advisors LLC26,848$113.0K0.00%−3,626−11.9%Reduced
Lazard Asset Management LLC27,644$116.4K0.00%−262,545−90.5%Reduced
XTX Topco Ltd27,646$116.4K0.00%+27,646New
BNP Paribas Arbitrage, SA28,385$119.5K0.00%−17,258−37.8%Reduced
Schonfeld Strategic Advisors LLC28,428$119.7K0.00%−29,949−51.3%Reduced
Intech Investment Management LLC31,163$131.2K0.00%−7,880−20.2%Reduced
Amundi32,991$138.9K0.00%−371,246−91.8%Reduced
Buckingham Strategic Partners33,624$141.6K0.00%−28,448−45.8%Reduced
Grimes & Company, Inc.34,806$146.5K0.00%+8,919+34.5%Added
Truist Financial Corp35,529$149.6K0.00%+35,529New
Envestnet Asset Management Inc35,531$149.6K0.00%+35,531New
Mirae Asset Global Investments Co., Ltd.35,547$149.7K0.00%−1,143−3.1%Reduced
Vise Technologies, Inc.36,850$155.1K0.00%+7,170+24.2%Added
Brighton Jones LLC39,881$167.9K0.00%−158−0.4%Reduced
Jump Financial, LLC39,964$168.2K0.00%+39,964New
New York State Common Retirement Fund41,869$176.3K0.00%00.0%Unchanged