Ironwood Pharmaceuticals Inc (IRWD) Ownership

8.08 ↓0.02 (-0.25%)
As of April 25, 2024, 3:59pm EST.

Institutional Ownership

BlackRock Inc is the biggest individual institutional holder of Ironwood Pharmaceuticals Inc (IRWD), owning a total of 26 million shares. Combined, the top 37 institutional holders of IRWD own 104.33% of the company with a total of 163 million shares.

In the latest ownership report on December 31st 2023, the top 37 institutional holders increased their combined ownership of IRWD by 2.5 million shares. 10 institutions bought 8,259,846 total additional shares and increased their ownership by an average of 29.29%. However 9 institutions sold 5,751,344 total shares and decreased their ownership by an average of 16.33%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Ironwood Pharmaceuticals increased by a net total of 2,508,502 in the latest quarter.

Institution Ownership Chart

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Latest Institutional Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
BlackRock Inc16.598%2.957%25,980,308746,0462023-12-31
Vanguard Group Inc10.243%7.639%16,033,5451,137,8452023-12-31
State Street Corporation7.367%-3.874%11,532,088-464,7772023-12-31
LSV Asset Management4.333%-5.334%6,782,101-382,1082023-12-31
Renaissance Technologies Corp4.214%13.724%6,595,898796,0002023-12-31
Armistice Capital, LLC3.642%64.931%5,700,0002,244,0002023-12-31
Credit Suisse First Boston (CSFB)3.585%24.670%5,612,1131,110,5442023-12-31
Victory Capital Management Inc.2.699%-4.133%4,224,583-182,1492023-12-31
Brown Capital Management, LLC2.370%-0.279%3,709,431-10,3652023-12-31
Dimensional Fund Advisors, Inc.1.969%-44.140%3,081,811-2,435,1652023-12-31
Geode Capital Management, LLC1.968%5.347%3,080,463156,3402023-12-31
Jupiter Asset Management Limited1.450%2.671%2,270,04259,0572023-12-31
Goldman Sachs Group Inc1.382%95.499%2,163,3301,056,7612023-12-31
Morgan Stanley - Brokerage Accounts1.372%12.997%2,147,818247,0352023-12-31
Nuveen Asset Management, LLC1.173%62.491%1,836,325706,2182023-12-31
Northern Trust Corp1.015%-3.258%1,588,392-53,4952023-12-31
Driehaus Capital Management LLC1.011%-0.292%1,582,134-4,6312023-12-31
Adage Capital Partners Gp LLC0.966%-38.603%1,511,789-950,5112023-12-31
Man Group PLC0.911%-47.081%1,425,389-1,268,1432023-12-31

Top Institutions

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
BlackRock Inc16.598%2.957%25,980,308746,0462023-12-31
Sarissa Capital Management LP10.471%0.000%16,390,00002023-09-30
Vanguard Group Inc10.243%7.639%16,033,5451,137,8452023-12-31
State Street Corporation7.367%-3.874%11,532,088-464,7772023-12-31
LSV Asset Management4.333%-5.334%6,782,101-382,1082023-12-31
Renaissance Technologies Corp4.214%13.724%6,595,898796,0002023-12-31
Wellington Management Company LLP3.960%-53.686%6,178,438-7,161,9392023-03-31
Armistice Capital, LLC3.642%64.931%5,700,0002,244,0002023-12-31
Credit Suisse First Boston (CSFB)3.585%24.670%5,612,1131,110,5442023-12-31
Victory Capital Management Inc.2.699%-4.133%4,224,583-182,1492023-12-31
Millennium Management LLC2.568%121.028%3,989,9422,184,7672022-12-31
Brown Capital Management, LLC2.370%-0.279%3,709,431-10,3652023-12-31
Deutsche Bank AG2.244%411.978%3,442,7502,770,3092022-06-30
Dimensional Fund Advisors, Inc.1.969%-44.140%3,081,811-2,435,1652023-12-31
Geode Capital Management, LLC1.968%5.347%3,080,463156,3402023-12-31
Two Sigma Investments LLC1.697%73.836%2,649,6501,125,4292023-06-30
Pacer Advisors, INC.1.580%9.038%2,466,228204,4282023-06-30
Jacobs Levy Equity Management, Inc.1.519%0.000%2,378,2952,378,2952023-09-30
Jupiter Asset Management Limited1.450%2.671%2,270,04259,0572023-12-31
Goldman Sachs Group Inc1.382%95.499%2,163,3301,056,7612023-12-31
Morgan Stanley - Brokerage Accounts1.372%12.997%2,147,818247,0352023-12-31
JPMorgan Chase & Co1.280%242.178%1,988,6271,407,4592022-12-31
JANE STREET GROUP, LLC1.234%1,251.120%1,925,8821,783,3422023-03-31
Royce & Associates, LP1.214%12.579%1,886,247210,7582023-03-31
Two Sigma Advisers, LLC1.182%-28.072%1,845,600-720,3002023-09-30
Nuveen Asset Management, LLC1.173%62.491%1,836,325706,2182023-12-31
Balyasny Asset Management LLC1.081%77.548%1,688,013737,2772023-06-30
Amvescap Plc.1.068%-5.229%1,666,832-91,9622023-06-30
Bank of New York Mellon Corp1.067%-1.752%1,636,872-29,1932022-09-30
New York State Common Retirement Fund1.063%-10.476%1,630,644-190,8122022-06-30
Northern Trust Corp1.015%-3.258%1,588,392-53,4952023-12-31
Driehaus Capital Management LLC1.011%-0.292%1,582,134-4,6312023-12-31
NORGES BANK0.987%-49.554%1,521,628-1,494,7002022-12-31
Adage Capital Partners Gp LLC0.966%-38.603%1,511,789-950,5112023-12-31
Putnam Investments LLC0.985%-69.175%1,510,792-3,390,4062022-09-30
Man Group PLC0.911%-47.081%1,425,389-1,268,1432023-12-31
BRAIDWELL LP0.861%0.000%1,348,0991,348,0992023-09-30

Mutual Fund Ownership

iShares Core S&P Small-Cap ETF is the biggest individual fund holder of Ironwood Pharmaceuticals Inc (IRWD), owning a total of 9.3 million shares. Combined, the top 38 mutual fund holders of IRWD own 51.88% of the company with a total of 81.1 million shares.

In the latest ownership report on March 31st 2024, the top 38 fund holders increased their combined ownership of IRWD by 132 thousand shares. 2 funds bought 138,646 total additional shares and increased their ownership by an average of 4.24%. However 1 funds sold 7,140 total shares and decreased their ownership by an average of 0.7%.

Overall this is a positive sign as the number of shares owned by the top 20 mutual funds holding Ironwood Pharmaceuticals increased by a net total of 131,506 in the latest report.

Mutual Funds Chart

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Latest Mutual Fund Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
SPDR® S&P Biotech ETF5.447%0.536%8,525,35245,4582024-03-31
Glenmede Small Cap Equity0.808%7.952%1,265,05693,1882024-03-31
Direxion Daily S&P Biotech Bull 3X ETF0.650%-0.697%1,017,819-7,1402024-03-31

Top Mutual Funds

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
iShares Core S&P Small-Cap ETF5.929%-0.372%9,280,632-34,6432024-03-28
SPDR® S&P Biotech ETF5.447%0.536%8,525,35245,4582024-03-31
Pacer US Small Cap Cash Cows 100 ETF4.596%0.355%7,194,04225,4522024-03-28
Vanguard Health Care Inv3.977%-43.328%6,178,438-4,723,6282023-03-31
Vanguard Total Stock Mkt Idx Inv2.663%-0.496%4,168,365-20,7662024-02-29
Vanguard Instl Ttl Stck Mkt Idx Tr2.562%0.749%3,999,34529,7302023-03-31
Vanguard Small Cap Index2.185%0.930%3,420,45731,5192024-02-29
iShares Russell 2000 ETF2.158%0.048%3,378,1381,6292024-03-28
Vanguard Institutional Extnd Mkt Idx Tr1.294%0.067%2,024,9321,3562024-02-29
Vanguard Small Cap Growth Index Inv1.227%1.690%1,919,96731,9162024-02-29
Vanguard Extended Market Index Investor1.200%-0.040%1,872,195-7492023-08-31
Brown Capital Mgmt Small Co Inv1.132%0.000%1,772,31202023-09-30
Fidelity Small Cap Index0.893%1.987%1,396,95927,2122024-01-31
Putnam Global Health Care A0.898%-66.812%1,376,709-2,771,5102022-09-30
Fidelity® Small Cap Index0.852%2.806%1,329,95136,3052023-10-31
Glenmede Small Cap Equity0.808%7.952%1,265,05693,1882024-03-31
Integrity Small-Cap Value Comp0.808%-5.034%1,264,000-67,0002023-12-31
Victory Integrity Small-Cap Value A0.808%-5.034%1,264,000-67,0002023-12-31
SPDR® Portfolio S&P 600 Sm Cap ETF0.788%0.101%1,233,3311,2452024-03-28
Glenmede Small Cap Equity Adv0.749%-2.766%1,171,868-33,3322023-12-31
iShares Biotechnology ETF0.728%-0.774%1,139,060-8,8792024-03-28
Xtrackers S&P 500 Swap ETF 1C0.693%-17.806%1,081,544-234,3002023-07-31
iShares Russell 2000 Growth ETF0.694%0.497%1,078,1365,3302023-06-21
Vanguard Tax-Managed Small Cap Adm0.686%0.000%1,073,40302024-02-29
Argenta-Fund Longer Life Dynamic R Dis0.667%0.000%1,044,57802023-12-31
Avantis® U.S. Small Cap Value ETF0.656%0.000%1,023,51802023-07-29
DFA US Micro Cap I0.654%0.000%1,021,01202023-08-31
Direxion Daily S&P Biotech Bull 3X ETF0.650%-0.697%1,017,819-7,1402024-03-31
Avantis US Small Cap Value ETF0.642%0.000%1,001,39802023-09-29
DFA US Targeted Value I0.576%-37.120%898,740-530,5492023-10-31
iShares S&P Small-Cap 600 Growth ETF0.562%0.000%878,03302023-11-30
BlackRock Advantage Small Cap Core Instl0.556%1.698%868,14214,4962023-09-30
First Eagle US Small Cap Strategy0.538%10.617%841,64380,7802023-12-31
State St Russell Sm/Mid Cp® Indx NL Cl C0.537%2.577%839,91621,1002024-02-29
iShares S&P Small-Cap 600 Value ETF0.532%0.000%830,84802023-12-29
First Eagle Small Cap Opportunity I0.519%-3.514%812,072-29,5712024-01-31
iShares Russell 2000 Value ETF0.514%1.582%802,06112,4932023-12-29
CREF Stock R10.505%0.000%789,63702024-01-31

Discussions

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a3/30/23 03:40pm

$IRWD lol who sold

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rikishiiiii3/7/23 09:30pm

$IRWD go green today and we gap up tomrrow

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