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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, Q4 2025

Institutional positions in Ironwood Pharmaceuticals Inc as of Dec 31, 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
199
+38 vs. Q3 2025
Shares held
154.6M
+6.08M (+4.1%) vs. Q3 2025
Total value
$520.2M
+$325.4M (+167.1%) vs. Q3 2025
New holders
56
64 more added
Sold out
18
47 more reduced

5 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 199 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 2025: $520.2M
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 2025

Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q3 2025.

Institutions holding IRWD in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
SG Americas Securities, LLC57,747$195.0K0.00%+20,795+56.3%Added
Panagora Asset Management Inc54,408$183.4K0.00%−104,554−65.8%Reduced
Merit Financial Group, LLC49,378$166.4K0.00%+499+1.0%Added
Polymer Capital Management (US) LLC48,747$164.3K0.02%+48,747New
Man Group plc47,659$160.6K0.00%+47,659New
Manufacturers Life Insurance Company, The47,588$160.4K0.00%−6,354−11.8%Reduced
Krilogy Financial LLC30,223$156.6K0.01%+150.0%Added
Police & Firemen's Retirement System of New Jersey44,115$148.7K0.00%00.0%Unchanged
Colony Group, LLC43,965$148.2K0.00%−687−1.5%Reduced
XTX Topco Ltd43,904$148.0K0.00%+32,657+290.4%Added
New York State Common Retirement Fund41,869$141.1K0.00%00.0%Unchanged
Engineers Gate Manager LP38,701$130.4K0.00%−63,313−62.1%Reduced
ProShare Advisors LLC36,315$122.4K0.00%+3,170+9.6%Added
Mirae Asset Global Investments Co., Ltd.36,090$121.6K0.00%+29,810+474.7%Added
BNP Paribas Arbitrage, SA32,454$109.4K0.00%−1,877−5.5%Reduced
Jain Global LLC30,009$101.1K0.00%+30,009New
Vise Technologies, Inc.29,680$100.0K0.00%+48+0.2%Added
Voya Investment Management LLC28,759$96.9K0.00%−608−2.1%Reduced
China Universal Asset Management Co., Ltd.26,508$89.3K0.01%−1,964−6.9%Reduced
Profund Advisors LLC26,483$89.2K0.00%+26,483New
Commonwealth Equity Services, LLC26,478$89.2K0.00%+26,478New
Grimes & Company, Inc.25,887$87.2K0.00%−15,107−36.9%Reduced
HSBC Holdings PLC23,436$78.9K0.00%+23,436New
Essential Partners LLC22,081$74.4K0.02%+153+0.7%Added
Oversea-Chinese Banking CORP Ltd21,465$72.3K0.00%00.0%Unchanged
Harvest Investment Services, LLC20,170$68.0K0.01%+20,170New
Victory Capital Management Inc18,042$60.8K0.00%+37+0.2%Added
Broderick Brian C18,000$60.7K0.01%00.0%Unchanged
NorthCrest Asset Manangement, LLC13,157$60.4K0.00%+155+1.2%Added
Ariadne Wealth Management, LP12,224$56.4K0.02%−17−0.1%Reduced
Legal & General Group Plc16,690$56.2K0.00%−1,669−9.1%Reduced
Abel Hall, LLC16,661$56.1K0.01%+16,661New
HighTower Advisors, LLC16,150$54.4K0.00%+1,150+7.7%Added
Citigroup Inc15,501$52.2K0.00%−4,718−23.3%Reduced
Tower Research Capital LLC (TRC)15,149$51.1K0.00%+5,625+59.1%Added
Neuberger Berman Group LLC14,852$50.1K0.00%+4,610+45.0%Added
Evolve Private Wealth, LLC14,809$49.9K0.00%+14,809New
Calamos Advisors LLC14,520$48.9K0.00%+14,520New
Ameritas Investment Partners, Inc.13,773$46.4K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC13,680$46.1K0.00%−891−6.1%Reduced
Farallon Capital Management, L.L.C.13,000$43.8K0.00%00.0%Unchanged
Diversified Trust Co12,574$42.4K0.00%00.0%Unchanged
waypoint wealth counsel12,503$42.1K0.02%−155−1.2%Reduced
Xponance, Inc.12,419$41.9K0.00%+80+0.6%Added
MQS Management LLC12,414$41.8K0.02%+12,414New
Coldstream Capital Management Inc12,300$41.5K0.00%+1,299+11.8%Added
Cetera Investment Advisers11,949$40.3K0.00%00.0%Unchanged
Integrated Wealth Concepts LLC11,436$38.5K0.00%−7,859−40.7%Reduced
Mackenzie Financial Corp11,544$38.4K0.00%+1,084+10.4%Added
Evoke Wealth, LLC11,287$38.0K0.00%+452+4.2%Added
Stonebrook Private Inc.10,985$37.0K0.01%00.0%Unchanged
Simplify Asset Management Inc.10,946$36.9K0.00%+10,946New
CIBC World Markets Corp10,585$35.7K0.00%+10,585New
Kaufman Rossin Wealth, LLC10,516$35.4K0.02%00.0%Unchanged
DGS Capital Management, LLC10,425$35.1K0.01%+10,425New
Jump Financial, LLC10,062$33.9K0.00%+10,062New
Fisher Asset Management, LLC10,000$33.7K0.00%00.0%Unchanged
California State Teachers Retirement System9,851$33.2K0.00%−407−4.0%Reduced
LSV Asset Management9,048$30.0K0.00%+9,048New
EMC Capital Management8,386$28.0K0.01%−1,480−15.0%Reduced
Harbor Capital Advisors, Inc.7,902$27.0K0.00%−135−1.7%Reduced
GWM Advisors LLC5,793$19.5K0.00%+5,793New
Royal Bank of Canada5,310$18.0K0.00%+3,793+250.0%Added
Amalgamated Bank5,027$17.0K0.00%+350+7.5%Added
IFP Advisors, Inc4,033$13.6K0.00%+8+0.2%Added
Advisor Group Holdings, Inc.3,399$11.5K0.00%+47+1.4%Added
GF Fund Management Co. Ltd.3,196$10.8K0.00%−191−5.6%Reduced
Global Retirement Partners, LLC2,713$9.14K0.00%+2,713New
GAMMA Investing LLC2,462$8.30K0.00%+2,462New
True Wealth Design, LLC2,361$7.96K0.00%00.0%Unchanged
WealthCollab, LLC1,970$6.64K0.00%00.0%Unchanged
Sterling Capital Management LLC1,916$6.46K0.00%+675+54.4%Added
Jones Financial Companies LLLP1,683$5.67K0.00%+1,683New
UMA Financial Services, Inc.1,669$5.63K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC1,627$5.48K0.00%00.0%Unchanged
Allworth Financial LP1,457$4.91K0.00%+229+18.6%Added
Rothschild Investment LLC966$3.25K0.00%+46+5.0%Added
Optiver Holding B.V.938$3.16K0.00%−1,224−56.6%Reduced
Bessemer Group Inc932$3.00K0.00%00.0%Unchanged
Optima Capital LLC778$2.62K0.00%+778New
Daiwa Securities Group Inc.573$2.00K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.548$1.85K0.00%−114−17.2%Reduced
Sunbelt Securities, Inc.444$1.50K0.00%00.0%Unchanged
Flagship Harbor Advisors, LLC300$1.01K0.00%+300New
Avion Wealth408$1.00K0.00%00.0%Unchanged
CoreCap Advisors, LLC235$7920.00%00.0%Unchanged
Pinnacle Wealth Planning Services, Inc.201$6770.00%+201New
Clean Yield Group85$2860.00%00.0%Unchanged
Torren Management, LLC72$2430.00%+72New
SBI Securities Co., Ltd.66$2220.00%−2−2.9%Reduced
Farther Finance Advisors, LLC52$1750.00%+52New
Garner Asset Management Corp50$1690.00%+50New
Clearstead Advisors, LLC41$1390.00%−2,987−98.6%Reduced
Ronald Blue Trust, Inc.34$1150.00%00.0%Unchanged
SRS Capital Advisors, Inc.23$780.00%−143,369−100.0%Reduced
SJS Investment Consulting Inc.21$710.00%+21New
Steward Partners Investment Advisory, LLC17$570.00%00.0%Unchanged
Smartleaf Asset Management LLC1$30.00%+1New
Covestor Ltd94$00.00%00.0%Unchanged
Kynam Capital Management, LP0$00.00%−5,466,825−100.0%Sold out