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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 2023

Institutional positions in Ironwood Pharmaceuticals Inc as of Jun 30, 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
252
0 vs. Q1 2023
Shares held
166.1M
+1.52M (+0.9%) vs. Q1 2023
Total value
$1.77B
+$24.0M (+1.4%) vs. Q1 2023
New holders
30
115 more added
Sold out
30
77 more reduced

3 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 2023: 252 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 2023: $1.77B
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 2023

Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q1 2023.

Institutions holding IRWD in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Barclays PLC454,798$4.84M0.00%+121,785+36.6%Added
Quantedge Capital Pte Ltd461,900$4.91M2.19%−79,300−14.7%Reduced
Foundry Partners, LLC481,902$5.13M0.31%+26,487+5.8%Added
Brandywine Global Investment Management, LLC481,988$5.13M0.04%+227,937+89.7%Added
Connor, Clark & Lunn Investment Management Ltd.500,817$5.33M0.03%+8,293+1.7%Added
13D Management LLC511,107$5.44M2.97%−22,455−4.2%Reduced
Price Jennifer C.520,000$5.53M1.90%00.0%Unchanged
Janus Henderson Group PLC538,105$5.72M0.00%+471,054+702.5%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main569,621$6.06M0.01%+15,845+2.9%Added
First Eagle Investment Management, LLC589,889$6.28M0.02%+98,525+20.1%Added
Ameriprise Financial Inc594,624$6.33M0.00%−36,643−5.8%Reduced
UBS Group AG687,318$7.31M0.00%−99,766−12.7%Reduced
Rafferty Asset Management, LLC725,171$7.72M0.04%+102,996+16.6%Added
Bank of America Corp737,278$7.84M0.00%−318,831−30.2%Reduced
AQR Capital Management LLC741,439$7.89M0.02%+60,737+8.9%Added
New York State Common Retirement Fund807,566$8.59M0.01%−26,382−3.2%Reduced
Principal Financial Group Inc808,557$8.60M0.01%−40,560−4.8%Reduced
Voloridge Investment Management, LLC906,925$9.65M0.05%+557,088+159.2%Added
D. E. Shaw & Co., Inc.918,998$9.78M0.02%+118,275+14.8%Added
Adage Capital Partners GP, L.L.C.943,800$10.0M0.02%+943,800New
Goldman Sachs Group Inc994,464$10.6M0.00%−82,833−7.7%Reduced
Hotchkis & Wiley Capital Management LLC996,830$10.6M0.04%+54,670+5.8%Added
Glenmede Trust Co NA1,051,046$11.1M0.06%+2,033+0.2%Added
Norges Bank1,123,821$12.0M0.00%−412,953−26.9%Reduced
Point72 Asset Management, L.P.1,131,879$12.0M0.04%+1,121,686+11,004.5%Added
American Century Companies Inc1,191,828$12.7M0.01%+167,639+16.4%Added
Bank of New York Mellon Corp1,265,564$13.5M0.00%−3890.0%Reduced
JPMorgan Chase & Co1,290,421$13.7M0.00%+655,313+103.2%Added
Charles Schwab Investment Management Inc1,371,768$14.6M0.00%−134,923−9.0%Reduced
Deutsche Bank AG1,563,584$16.6M0.01%+359,623+29.9%Added
Driehaus Capital Management LLC1,587,977$16.9M0.21%+1,587,977New
Northern Trust Corp1,638,619$17.4M0.00%+740.0%Added
Invesco Ltd.1,666,832$17.7M0.00%−91,962−5.2%Reduced
Balyasny Asset Management LLC1,688,013$18.0M0.05%+737,277+77.5%Added
Nuveen Asset Management, LLC1,712,730$18.2M0.01%+107,634+6.7%Added
Pacer Advisors, Inc.2,466,228$26.2M0.11%+204,428+9.0%Added
Two Sigma Advisers, LP2,565,900$27.3M0.07%+611,000+31.3%Added
Two Sigma Investments, LP2,649,650$28.2M0.08%+1,125,429+73.8%Added
Geode Capital Management, LLC2,792,285$29.7M0.00%+158,481+6.0%Added
Man Group plc2,976,050$31.7M0.10%––
Morgan Stanley3,068,339$32.6M0.00%−730,654−19.2%Reduced
Victory Capital Management Inc3,738,038$39.8M0.04%+707,706+23.4%Added
Brown Capital Management LLC3,751,598$39.9M0.57%−182,335−4.6%Reduced
Renaissance Technologies LLC5,319,453$56.6M0.08%+681,700+14.7%Added
Dimensional Fund Advisors LP5,611,068$59.7M0.02%+1,001,989+21.7%Added
Credit Suisse AG5,800,513$61.7M0.06%+628,844+12.2%Added
LSV Asset Management7,670,309$81.6M0.18%+92,600+1.2%Added
State Street Corp11,028,489$117.3M0.01%+546,647+5.2%Added
Vanguard Group Inc14,846,540$158.0M0.00%−127,776−0.9%Reduced
Sarissa Capital Management LP16,390,000$174.4M17.36%00.0%Unchanged
BlackRock Inc.25,804,575$274.6M0.01%+486,665+1.9%Added
EMC Capital Management1,977––−41,338−95.4%Reduced
Wellington Management Group LLP0$00.00%−6,178,438−100.0%Sold out
Great Lakes Advisors, LLC0$00.00%−658,935−100.0%Sold out
SG Americas Securities, LLC0$00.00%−312,990−100.0%Sold out
Twinbeech Capital LP0$00.00%−199,921−100.0%Sold out
Schroder Investment Management Group0$00.00%−98,445−100.0%Sold out
Massachusetts Financial Services Co0$00.00%−91,973−100.0%Sold out
International Biotechnology Trust PLC0$00.00%−60,000−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−41,734−100.0%Sold out
Capital Fund Management S.A.0$00.00%−38,646−100.0%Sold out
Panagora Asset Management Inc0$00.00%−38,332−100.0%Sold out
Point72 Middle East FZE0$00.00%−36,850−100.0%Sold out
Aigen Investment Management, LP0$00.00%−31,893−100.0%Sold out
Tocqueville Asset Management L.P.0$00.00%−29,641−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−19,668−100.0%Sold out
Virginia Retirement Systems Et Al0$00.00%−18,200−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−15,800−100.0%Sold out
Virtu Financial LLC0$00.00%−11,722−100.0%Sold out
Cetera Advisor Networks LLC0$00.00%−11,213−100.0%Sold out
Sawyer & Company, Inc0$00.00%−10,950−100.0%Sold out
Goodman Advisory Group, LLC0$00.00%−3,500−100.0%Sold out
Gladius Capital Management LP0$00.00%−3,072−100.0%Sold out
Ronald Blue Trust, Inc.0$00.00%−2,264−100.0%Sold out
Advisory Services Network, LLC0$00.00%−2,633−100.0%Sold out
TCI Wealth Advisors, Inc.0$00.00%−864−100.0%Sold out
West Branch Capital LLC0$00.00%−423−100.0%Sold out
Glen Eagle Advisors, LLC0$00.00%−156−100.0%Sold out
Belpointe Asset Management LLC0$00.00%−105−100.0%Sold out
Steward Financial Group LLC0$00.00%−109−100.0%Sold out
Schubert & Co0$00.00%−74−100.0%Sold out
Carolinas Wealth Consulting LLC0$00.00%−67−100.0%Sold out
Euclidean Technologies Management, LLC––––Not filed
Kula Investments, LLC––––Not filed
Baldrige Asset Management LLC––––Not filed