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Ironwood Pharmaceuticals Inc (IRWD)

CUSIP: 46333X108 | NYSE | Healthcare · Drug Manufacturers - Specialty & Generic | Small Cap | 929 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
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Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13G/ABank of America Corp5,219,3153.2%Newly reportedSep 30, 202692d ahead of 13F (8,683,803 sh) · −3,464,488
13G/AArmistice Capital, LLC13,932,0008.4%New 5%+ stakeJun 30, 2026No 13F filer matched
13G/ABank of America Corp5,219,315
3.2% of class · Sep 30, 2026Newly reported
92d ahead of 13F (8,683,803 sh) · −3,464,488
13G/AArmistice Capital, LLC13,932,000
8.4% of class · Jun 30, 2026New 5%+ stake
No 13F filer matched

Institutional Holders — Q3 2026

Dimensional Fund Advisors LP2,654,580
0.0% of portfolio›$10.5M
MacKenzie Financial Corp2,322,690
0.0% of portfolio›$9.2M
Bank of New York Mellon Corp524,076
0.0% of portfolio›$2.1M
CWA Asset Management Group, LLC498,643
0.1% of portfolio›$2.0M
Wedge Capital Management L L P435,650
0.0% of portfolio›$1.7M
Robeco Institutional Asset Management B.V.342,998
0.0% of portfolio›$1.4M
Principal Financial Group Inc318,883
0.0% of portfolio›$1.3M
Wealth Enhancement Advisory Services, LLC214,094
0.0% of portfolio›$777.2K
Creative Planning204,254
0.0% of portfolio›$810.9K
Alps Advisors Inc139,160
0.0% of portfolio›$552.5K
State of Wyoming104,850
0.0% of portfolio›$416.3K
Optimist Retirement Group LLC102,054
0.2% of portfolio›$405.2K
Allspring Global Investments Holdings, LLC85,935
0.0% of portfolio›$323.1K
Citigroup Inc77,328
0.0% of portfolio›$307.0K
Achmea Investment Management B.V.74,543
0.0% of portfolio›$296.2K
SmartHarvest Portfolios, LLC68,512
0.1% of portfolio›$272.0K
State of Alaska, Department of Revenue60,522
0.0% of portfolio›$239
Profund Advisors LLC52,064
0.0% of portfolio›$206.7K
Vise Technologies, Inc.39,698
0.0% of portfolio›$157.6K
Range Financial Group LLC37,925
0.0% of portfolio›$150.6K
Brighton Jones LLC37,744
0.0% of portfolio›$149.8K
Calamos Advisors LLC37,520
0.0% of portfolio›$149.0K
D'Orazio & Associates, Inc.37,229
0.0% of portfolio›$147.8K
Grimes & Co Wealth Management, LLC34,806
0.0% of portfolio›$138.2K
Y-Intercept (Hong Kong) Ltd32,528
0.0% of portfolio›$129.1K
Kathmere Capital Management, LLC31,093
0.0% of portfolio›$123.4K
China Universal Asset Management Co., Ltd.30,150
0.0% of portfolio›$125.4K
Mirae Asset Global Investments Co., Ltd.28,346
0.0% of portfolio›$112.5K
ProShare Advisors LLC26,297
0.0% of portfolio›$104.4K
Commonwealth Equity Services, LLC25,478
0.0% of portfolio›$101.2K
Krilogy Financial LLC22,101
0.0% of portfolio›$83.1K
Xponance LLC17,056
0.0% of portfolio›$67.7K
Magnus Financial Group LLC15,505
0.0% of portfolio›$61.6K
Ascent Group, LLC14,638
0.0% of portfolio›$58.1K
HB Wealth Management, LLC13,806
0.0% of portfolio›$54.8K
Abel Hall, LLC13,707
0.0% of portfolio›$54.4K
NorthCrest Asset Manangement, LLC13,279
0.0% of portfolio›$51.4K
Convergence Investment Partners, LLC11,600
0.0% of portfolio›$46.1K
EverSource Wealth Advisors, LLC10,712
0.0% of portfolio›$42.5K
Sagespring Wealth Partners, LLC10,452
0.0% of portfolio›$41.5K
Essential Partners LLC6,330
0.0% of portfolio›$25.1K
Owl Creek Wealth Partners LLC6,195
0.0% of portfolio›$24.6K
Sterling Capital Management LLC5,248
0.0% of portfolio›$20.8K
Harbor Capital Advisors, Inc.5,164
0.0% of portfolio›$21
GF Fund Management Co. Ltd.3,758
0.0% of portfolio›$14.9K
Gamma Investing LLC2,774
0.0% of portfolio›$11.0K
True Wealth Design, LLC2,398
0.0% of portfolio›$9.5K
Signaturefd, LLC2,337
0.0% of portfolio›$9.3K
IFP Advisors, Inc2,019
0.0% of portfolio›$8.0K
Physician Wealth Advisors, Inc.1,900
0.0% of portfolio›$7.5K
SJS Investment Consulting Inc.1,727
0.0% of portfolio›$6.9K
Nisa Investment Advisors, LLC1,627
0.0% of portfolio›$6.5K
Farther Finance Advisors, LLC1,583
0.0% of portfolio›$6.3K
Simplex Trading, LLC1,491
0.0% of portfolio›$5.9K
Fortitude Family Office, LLC1,034
0.0% of portfolio›$4.1K
North Star Investment Management Corp.1,000
0.0% of portfolio›$4.0K
SBI Securities Co., Ltd.701
0.0% of portfolio›$2.8K
Provenance Wealth Advisors, LLC451
0.0% of portfolio›$1.8K
Avion Wealth390
0.0% of portfolio›$1
Parkside Financial Bank & Trust360
0.0% of portfolio›$1.4K
Ascentis Wealth Management, LLC235
0.0% of portfolio›$932
CoreCap Advisors, LLC235
0.0% of portfolio›$933
Pinnacle Wealth Planning Services, Inc.201
0.0% of portfolio›$798
Covestor Ltd192
0.0% of portfolio›$1
Root Financial Partners, LLC182
0.0% of portfolio›$723
Clean Yield Group85
0.0% of portfolio›$337
Blue Trust, Inc.34
0.0% of portfolio›$135
StyleTurnoverLocationFiled
Dimensional Fund Advisors LP
2,654,580$10.5M0.0%IndexLowAustin, TX2026-11-04
MacKenzie Financial Corp
2,322,690$9.2M0.0%CoreMediumToronto Ontario, Australia2026-11-02
Bank of New York Mellon Corp
524,076$2.1M0.0%CoreLowNew York, NY2026-11-05
CWA Asset Management Group, LLC
498,643$2.0M0.1%CoreMediumNaples, FL2026-10-19
Wedge Capital Management L L P
435,650$1.7M0.0%ValueMediumCharlotte, NC2026-10-13
Robeco Institutional Asset Management B.V.
342,998$1.4M0.0%CoreMediumRotterdam, Philippines2026-10-20
Principal Financial Group Inc
318,883$1.3M0.0%CoreLowDes Moines, IA2026-11-02
Wealth Enhancement Advisory Services, LLC
214,094$777.2K0.0%CoreLowPlymouth, MN2026-10-13
Creative Planning
204,254$810.9K0.0%IndexVery LowOverland Park, KS2026-11-02
Alps Advisors Inc
139,160$552.5K0.0%YieldLowDenver, CO2026-11-03
State of Wyoming
104,850$416.3K0.0%ValueHighCheyenne, WY2026-10-28
Optimist Retirement Group LLC
102,054$405.2K0.2%ValueLowBellevue, WA2026-10-30
Allspring Global Investments Holdings, LLC
85,935$323.1K0.0%CoreMediumCharlotte, NC2026-11-04
Citigroup Inc
77,328$307.0K0.0%CoreMediumNew York, NY2026-11-04
Achmea Investment Management B.V.
74,543$296.2K0.0%CoreMediumZeist, Philippines2026-10-30
SmartHarvest Portfolios, LLC
68,512$272.0K0.1%GrowthLowSeattle, WA2026-10-26
State of Alaska, Department of Revenue
60,522$2390.0%CoreVery LowJuneau, AK2026-10-15
Profund Advisors LLC
52,064$206.7K0.0%GrowthLowBethesda, MD2026-10-29
Vise Technologies, Inc.
39,698$157.6K0.0%IndexLowNew York, NY2026-10-29
Range Financial Group LLC
37,925$150.6K0.0%GARPMediumTigard, OR2026-10-21
Brighton Jones LLC
37,744$149.8K0.0%CoreVery LowSeattle, WA2026-11-03
Calamos Advisors LLC
37,520$149.0K0.0%GrowthMediumNaperville, IL2026-11-02
D'Orazio & Associates, Inc.
37,229$147.8K0.0%ETFLowVienna, VA2026-11-04
Grimes & Co Wealth Management, LLC
34,806$138.2K0.0%CoreLowWestborough, MA2026-10-29
Y-Intercept (Hong Kong) Ltd
32,528$129.1K0.0%ValueVery HighHong Kong, South Korea2026-10-16
Kathmere Capital Management, LLC
31,093$123.4K0.0%ETFLowWayne, PA2026-10-20
China Universal Asset Management Co., Ltd.
30,150$125.4K0.0%GrowthMediumShanghai, France2026-10-28
Mirae Asset Global Investments Co., Ltd.
28,346$112.5K0.0%GrowthLowSeoul, Malaysia2026-11-03
ProShare Advisors LLC
26,297$104.4K0.0%GrowthLowBethesda, MD2026-10-29
Commonwealth Equity Services, LLC
25,478$101.2K0.0%ETFLowWaltham, MA2026-11-02
Krilogy Financial LLC
22,101$83.1K0.0%GrowthLowSt. Louis, MO2026-10-13
Xponance LLC
17,056$67.7K0.0%IndexVery LowPhiladelphia, PA2026-11-03
Magnus Financial Group LLC
15,505$61.6K0.0%ETFLowNew York, NY2026-10-21
Ascent Group, LLC
14,638$58.1K0.0%CoreLowVirginia Beach, VA2026-10-30
HB Wealth Management, LLC
13,806$54.8K0.0%IndexVery LowAtlanta, GA2026-10-23
Abel Hall, LLC
13,707$54.4K0.0%CoreMediumBaton Rouge, LA2026-10-19
NorthCrest Asset Manangement, LLC
13,279$51.4K0.0%GrowthLowPlymouth, MN2026-10-13
Convergence Investment Partners, LLC
11,600$46.1K0.0%GARPHighPalm Beach Gardens, FL2026-10-28
EverSource Wealth Advisors, LLC
10,712$42.5K0.0%CoreMediumBirmingham, AL2026-11-04
Sagespring Wealth Partners, LLC
10,452$41.5K0.0%ETFLowFranklin, TN2026-10-22
Essential Partners LLC
6,330$25.1K0.0%ValueMediumRancho Santa Fe, CA2026-10-14
Owl Creek Wealth Partners LLC
6,195$24.6K0.0%IndexLowGreenwood Village, CO2026-10-20
Sterling Capital Management LLC
5,248$20.8K0.0%GARPMediumCharlotte, NC2026-10-22
Harbor Capital Advisors, Inc.
5,164$210.0%ValueHighChicago, IL2026-10-22
GF Fund Management Co. Ltd.
3,758$14.9K0.0%Agg GrowthMediumGuangzhou, France2026-10-26
Gamma Investing LLC
2,774$11.0K0.0%IndexVery LowFoster City, CA2026-10-08
True Wealth Design, LLC
2,398$9.5K0.0%ETFMediumAkron, OH2026-10-13
Signaturefd, LLC
2,337$9.3K0.0%IndexLowAtlanta, GA2026-10-23
IFP Advisors, Inc
2,019$8.0K0.0%GrowthLowTampa, FL2026-10-16
Physician Wealth Advisors, Inc.
1,900$7.5K0.0%ETFMediumMidvale, UT2026-10-20
SJS Investment Consulting Inc.
1,727$6.9K0.0%ETFVery LowSylvania, OH2026-10-26
Nisa Investment Advisors, LLC
1,627$6.5K0.0%IndexVery LowSt. Louis, MO2026-10-20
Farther Finance Advisors, LLC
1,583$6.3K0.0%IndexLowSan Francisco, CA2026-10-08
Simplex Trading, LLC
1,491$5.9K0.0%CoreVery HighChicago, IL2026-11-04
Fortitude Family Office, LLC
1,034$4.1K0.0%ETFMediumScottsdale, AZ2026-10-14
North Star Investment Management Corp.
1,000$4.0K0.0%CoreLowChicago, IL2026-10-27
SBI Securities Co., Ltd.
701$2.8K0.0%Agg GrowthLowTokyo, Mexico2026-10-22
Provenance Wealth Advisors, LLC
451$1.8K0.0%ETFLowFort Lauderdale, FL2026-10-30
Avion Wealth
390$10.0%ETFLowThe Woodlands, TX2026-11-04
Parkside Financial Bank & Trust
360$1.4K0.0%CoreVery LowSaint Louis, MO2026-10-27
Ascentis Wealth Management, LLC
235$9320.0%Agg GrowthLowDallas, TX2026-11-03
CoreCap Advisors, LLC
235$9330.0%ETFMediumSouthfield, MI2026-10-08
Pinnacle Wealth Planning Services, Inc.
201$7980.0%GARPLowMansfield, OH2026-10-27
Covestor Ltd
192$10.0%ValueHighLondon, United Kingdom2026-10-30
Root Financial Partners, LLC
182$7230.0%ETFMediumEncinitas, CA2026-10-21
Clean Yield Group
85$3370.0%CoreLowNorwich, VT2026-10-28
Blue Trust, Inc.
34$1350.0%ETFLowBrentwood, TN2026-10-15