Ironwood Pharmaceuticals Inc

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Ironwood Pharmaceuticals Inc
TickerIRWD
CIK #0001446847
CUSIP46333X108
SectorLife Sciences - Pharmaceutical Preparations
Address301 Binney Street, Cambridge, MA 02142
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
Ironwood Pharmaceuticals Inc 2016-10-11 150.0 M Exemption: 506(b) · Duration: One year or less · Commission: $20,000 · Finder's Fee: $20,000 · Revenue: Decline to Disclose
CIK Filing 2011 - 2026
[0001446847] 10-K
[0001446847] 10-Q
[0001446847] 3
[0001446847] 4
[0001446847] 5
[0001446847] 8-K
[0001446847] D
[0001446847] SC 13D
[0001446847] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Bank of America Corp /DE/ Ironwood Pharmaceuticals Inc [2025-11-14] 0.0
Barclays PLC Ironwood Pharmaceuticals Inc [2025-08-12] 0.0
State Street Corp Ironwood Pharmaceuticals Inc [2025-05-13] 0.0
Pacer Advisors Inc Ironwood Pharmaceuticals Inc [2025-05-02] 0.0
State Street Corp Ironwood Pharmaceuticals Inc [2025-02-05] 0.0
Armistice Capital LLC Ironwood Pharmaceuticals Inc [2024-11-14] 5.13
Renaissance Technologies LLC Ironwood Pharmaceuticals Inc [2024-11-13] 0.0
Ironwood Pharmaceuticals Inc VectivBio Holding AG [2023-07-07] 97.6
LSV Asset Management Ironwood Pharmaceuticals Inc [2023-02-10] 5.17
State Street Corp Ironwood Pharmaceuticals Inc [2023-02-02] 7.29
BlackRock Inc Ironwood Pharmaceuticals Inc [2022-07-08] 17.5
Westfield Capital Management Co LP Ironwood Pharmaceuticals Inc [2021-01-07] 5.3
Janus Henderson Group PLC Ironwood Pharmaceuticals Inc [2020-02-14] 5.3
Sarissa Capital Management LP Ironwood Pharmaceuticals Inc [2019-05-16] 6.1
Brown Capital Management LLC Ironwood Pharmaceuticals Inc [2018-12-10] 5.37
UBS Asset Management Americas Inc Ironwood Pharmaceuticals Inc [2018-02-13] 5.64
Janus Henderson Group PLC Ironwood Pharmaceuticals Inc [2018-02-13] 6.1
Price T Rowe Associates Inc /MD/ Ironwood Pharmaceuticals Inc [2016-02-11] 5.1
Point72 Asset Management LP Ironwood Pharmaceuticals Inc [2015-08-20] 1.6
OrbiMed Advisors LLC Ironwood Pharmaceuticals Inc [2015-02-17] 3.87
Janus Capital Management LLC Ironwood Pharmaceuticals Inc [2014-02-14] 5.9
Sectoral Asset Management Inc Ironwood Pharmaceuticals Inc [2014-02-11] 5.2
State of Wisconsin Investment Board Ironwood Pharmaceuticals Inc [2014-01-29] 6.323
Vanguard Group Inc Ironwood Pharmaceuticals Inc [2013-02-13] 5.5
BlackRock Inc Ironwood Pharmaceuticals Inc [2013-01-30] 6.51
Biotechnology Value Fund L P Ironwood Pharmaceuticals Inc [2012-11-05] 1.0
Form 3/4/5 Filer 2011 - 2026
Ironwood Pharmaceuticals Inc
Moukheibir Catherine
Shepard Jay
Kessler Marla L
Currie Mark G
Duane Jon R
Denner Alexander J
McHugh Julie
Silver Ronald
Martini Gregory S
Gaskins Tammi L
Shetzline Michael
John Minardo
MCCOURT Thomas A
Sarissa Capital Management LP
Dreyfus Andrew
Davis Andrew
Emany Sravan Kumar
Rickard Jason
Owens Edward P
Olanoff Lawrence S
Consylman Gina
Mallon Mark
Kilroy Conor
MacDonald Kelly
Gilbert Halley E
Hecht Peter M
Huyett William
Williams Douglas E
Schulman Amy W
McGuire Terrance
Fanucci Marsha
Cyclerion Therapeutics Inc
Walsh Christopher T PhD
Graney Thomas
Roberts Bryan E
Conrades George H
Ebersman David A
Cook Joseph C Jr
Higgins Michael J
Shaw David Evans
FIL Ltd
FMR LLC
VR Management LLC
Venrock Enterpreneurs Fund LP
Venrock Associates
Venrock Associates II LP
Venrock Associates V LP
Venrock Management V LLC
VHCP Management LLC
Hove Anders D
Venrock Healthcare Capital Partners LP
Venrock Partners Management V LLC
Venrock Partners V L P
VHCP Co-Investment Holdings LLC
Ridgeback Capital Investments LP
Ridgeback Capital Investments LLC
Ridgeback Capital Management LLC
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Denner Alexander J
Class A Common Stock
2026-03-17 Sell 6,725,000 $3.05 20,511,250
Denner Alexander J
Class A Common Stock
2026-03-17 Sell 5,800 $3.31 19,198
Denner Alexander J
Class A Common Stock
2026-03-13 Grant 4,451 $0.00
John Minardo
Class A Common Stock
2026-03-10 Grant 136,612 $0.00
Martini Gregory S
Class A Common Stock
2026-03-10 Grant 136,612 $0.00
Silver Ronald
Class A Common Stock
2026-03-10 Grant 163,934 $0.00
Shetzline Michael
Class A Common Stock
2026-03-10 Grant 136,612 $0.00
MCCOURT Thomas A
Class A Common Stock
2026-03-10 Grant 409,836 $0.00
Gaskins Tammi L
Class A Common Stock
2026-03-10 Grant 136,612 $0.00
Silver Ronald
Class A Common Stock
2026-02-24 Sell 12,621 $3.66 46,193
Martini Gregory S
Class A Common Stock
2026-02-24 Sell 11,457 $3.66 41,933
Shetzline Michael
Common Stock
2026-02-24 Sell 17,012 $3.66 62,264
MCCOURT Thomas A
Class A Common Stock
2026-02-24 Sell 103,526 $3.66 378,905
Gaskins Tammi L
Class A Common Stock
2026-02-24 Sell 11,239 $3.66 41,135
John Minardo
Class A Common Stock
2026-02-24 Sell 19,053 $3.66 69,734
Shetzline Michael
Class A Common Stock
2026-02-23 Sell 15,570 $3.81 59,322
John Minardo
Class A Common Stock
2026-02-23 Sell 17,439 $3.81 66,443
Martini Gregory S
Class A Common Stock
2026-02-23 Sell 10,487 $3.81 39,955
Silver Ronald
Class A Common Stock
2026-02-23 Sell 11,552 $3.81 44,013
Gaskins Tammi L
Class A Common Stock
2026-02-23 Sell 10,287 $3.81 39,193
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 226 166,763,958
2025-12-31 199 159,397,185
2025-09-30 167 153,277,757
2025-06-30 155 150,677,572
2025-03-31 201 164,009,246
2024-12-31 224 174,414,727
2024-09-30 222 173,142,693
2024-06-30 227 177,278,550
2024-03-31 272 193,697,522
2023-12-31 254 157,185,071
2023-09-30 249 149,417,009
2023-06-30 253 152,589,999
Form 13F Holdings
Firm Period DFND Voting Shares
Wedge Capital Management L L P/NC [2026-06-30] SOLE 149,446 435,650
CWA Asset Management Group LLC [2026-06-30] SOLE 450 290,366
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 4,447 219,445
Merit Financial Group LLC [2026-06-30] OTR 0 41,833
Grimes & Company Inc [2026-06-30] SOLE 14,977 34,806
Magnus Financial Group LLC [2026-06-30] SOLE 0 18,005
NorthCrest Asset Manangement LLC [2026-06-30] SOLE 428 14,476
Range Financial Group LLC [2026-06-30] SOLE 0 12,868
Owl Creek Wealth Partners LLC [2026-06-30] SOLE 0 6,195
Merit Financial Group LLC [2026-06-30] SOLE 0 2,966
True Wealth Design LLC [2026-06-30] SOLE 0 2,390
Gamma Investing LLC [2026-06-30] DFND 2,382 2,382
IFP Advisors LLC [2026-06-30] SOLE 2,316 2,316
Physician Wealth Advisors Inc [2026-06-30] SOLE 0 1,669
Fortitude Family Office LLC [2026-06-30] SOLE 1,114 1,114
Farther Finance Advisors LLC [2026-06-30] SOLE 0 395
Corecap Advisors LLC [2026-06-30] SOLE 0 235
Dogwood Wealth Management LLC [2026-06-30] SOLE 189 189
Ritter Daniher Financial Advisory LLC / DE [2026-06-30] SOLE 0 6
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