Funds holding Ironwood Pharmaceuticals Inc
205 funds declare a position · 47 ETFs and 158 other funds · 174.1M $· 387.3K € · US46333X1081
Each line carries its report date.
| Rank | Fund | Shares | Value | Weight | |
|---|---|---|---|---|---|
| 101 | AST PGIM Aggressive Multi-Asset Portfolio Advanced Series Trust | 40,000 | 140.4K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 102 | ACUITAS US MICROCAP FUND FORUM FUNDS II | 39,387 | 138.2K $ | 0.14 % | as of Mar 31, 2026 · Original filing |
| 103 | MetLife Russell 2000 Index Portfolio Brighthouse Funds Trust II | 38,149 | 133.9K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 104 | Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds | 35,100 | 123.2K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 105 | Diversified Equity Master Portfolio Master Investment Portfolio | 34,723 | 121.9K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 106 | U.S. Small Cap Equity Fund RUSSELL INVESTMENT CO | 33,768 | 139.3K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 107 | BlackRock Advantage SMID Cap Fund, Inc. BlackRock Advantage SMID Cap Fund, Inc. | 32,822 | 115.2K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 108 | U.S. CORE EQUITY 1 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 31,898 | 131.6K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 109 | NVIT Small Cap Index Fund Nationwide Variable Insurance Trust | 30,591 | 107.4K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 110 | Small Cap Index Trust John Hancock Variable Insurance Trust | 29,032 | 101.9K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 111 | iShares Russell Small/Mid-Cap Index Fund BlackRock Funds | 28,832 | 118.9K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 112 | 1290 VT Micro Cap Portfolio EQ Advisors Trust | 28,744 | 100.9K $ | 0.06 % | as of Mar 31, 2026 · Original filing |
| 113 | Invesco Russell 2000 Dynamic Multifactor ETF Invesco Exchange-Traded Self-Indexed Fund Trust | 28,540 | 97.6K $ | 0.04 % | as of Feb 28, 2026 · Original filing |
| 114 | Small Cap Core Fund Northern Funds | 28,386 | 99.6K $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 115 | Schwab Fundamental U.S. Broad Market ETF SCHWAB STRATEGIC TRUST | 28,381 | 97.1K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 116 | JNL/DFA U.S. Small Cap Fund JNL Series Trust | 28,219 | 99K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 117 | SIIT EXTENDED MARKET INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 27,354 | 93.6K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 118 | DWS Small Cap Index VIP DEUTSCHE DWS INVESTMENTS VIT FUNDS | 22,443 | 78.8K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 119 | PROFUND VP BIOTECHNOLOGY ProFunds | 22,262 | 78.1K $ | 0.19 % | as of Mar 31, 2026 · Original filing |
| 120 | Fidelity Flex Small Cap Index Fund Fidelity Salem Street Trust | 21,574 | 89K $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 121 | SIIT SMALL CAP FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 20,573 | 70.4K $ | 0.04 % | as of Feb 28, 2026 · Original filing |
| 122 | EQ/Morgan Stanley Small Cap Growth Portfolio EQ Advisors Trust | 19,858 | 69.7K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 123 | T. Rowe Price Small-Cap Index Fund T. ROWE PRICE INDEX TRUST, INC. | 19,596 | 68.8K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 124 | Venerable US Small Cap Fund Venerable Variable Insurance Trust | 19,430 | 68.2K $ | 0.05 % | as of Mar 31, 2026 · Original filing |
| 125 | GuideMark Small/Mid Cap Core Fund GPS Funds I | 19,255 | 67.6K $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 126 | Invesco NASDAQ Future Gen 200 ETF Invesco Exchange-Traded Fund Trust II | 18,885 | 64.6K $ | 0.46 % | as of Feb 28, 2026 · Original filing |
| 127 | BlackRock Small Cap Index V.I. Fund BlackRock Variable Series Funds, Inc. | 18,314 | 64.3K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 128 | Victory Extended Market Index Fund Victory Portfolios III | 18,026 | 74.4K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 129 | SA Small Cap Index Portfolio SUNAMERICA SERIES TRUST | 17,914 | 73.9K $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 130 | Voya RussellTM Small Cap Index Portfolio Voya VARIABLE PORTFOLIOS INC | 17,664 | 62K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 131 | AVIP BlackRock Advantage Small Cap Growth Portfolio AuguStar Variable Insurance Products Fund Inc | 16,546 | 58.1K $ | 0.05 % | as of Mar 31, 2026 · Original filing |
| 132 | Fidelity Small Cap Value Index Fund Fidelity Salem Street Trust | 15,875 | 55.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 133 | AQR Small Cap Momentum Style Fund AQR Funds | 14,156 | 49.7K $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 134 | CVT Russell 2000 Small Cap Index Portfolio Calvert Variable Trust, Inc. | 13,773 | 48.3K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 135 | Applied Finance IVS US SMID ETF ETF Opportunities Trust | 13,704 | 48.1K $ | 0.31 % | as of Mar 31, 2026 · Original filing |
| 136 | Nationwide Small Cap Index Fund Nationwide Mutual Funds | 13,581 | 56K $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 137 | VANGUARD RUSSELL 3000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 13,354 | 45.7K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 138 | Venerable Small Cap Index Fund Venerable Variable Insurance Trust | 12,405 | 43.5K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 139 | Dimensional US Core Equity 1 ETF Dimensional ETF Trust | 11,833 | 48.8K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 140 | Simplify Piper Sandler US Small-Cap PLUS Income ETF Simplify Exchange Traded Funds | 11,447 | 40.2K $ | 0.70 % | as of Mar 31, 2026 · Original filing |
| 141 | Putnam Dynamic Asset Allocation Conservative Fund Putnam Asset Allocation Funds | 11,279 | 39.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 142 | Strategic Equity Allocation Trust John Hancock Variable Insurance Trust | 11,144 | 39.1K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 143 | PD Small-Cap Growth Index Portfolio PACIFIC SELECT FUND | 11,015 | 38.7K $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 144 | Dimensional U.S. Equity Market ETF Dimensional ETF Trust | 10,643 | 43.9K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 145 | Voya VACS Index Series SC Portfolio Voya VARIABLE PORTFOLIOS INC | 10,394 | 36.5K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 146 | ProShares Ultra Russell2000 ProShares Trust | 9,858 | 33.7K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 147 | ProShares UltraPro Russell2000 ProShares Trust | 9,814 | 33.6K $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 148 | VANGUARD RUSSELL 2000 VALUE INDEX FUND VANGUARD SCOTTSDALE FUNDS | 9,367 | 32K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 149 | SmallCap Growth Fund I Principal Funds, Inc | 9,365 | 38.6K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 150 | VIP Extended Market Index Portfolio Variable Insurance Products Fund II | 9,114 | 32K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 151 | Invesco Nasdaq Biotechnology ETF Invesco Exchange-Traded Fund Trust II | 9,099 | 31.1K $ | 0.04 % | as of Feb 28, 2026 · Original filing |
| 152 | U.S. Social Core Equity 2 Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 8,902 | 36.7K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 153 | iShares Total U.S. Stock Market Index Fund BlackRock Funds | 8,803 | 36.3K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 154 | Multimanager Aggressive Equity Portfolio EQ Advisors Trust | 8,500 | 29.8K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 155 | U.S. Small Cap Equity Fund RUSSELL INVESTMENT FUNDS | 8,152 | 28.6K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 156 | Morgan Stanley Pathway Small-Mid Cap Equity ETF MORGAN STANLEY PATHWAY FUNDS | 7,543 | 25.8K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 157 | ProShares Ultra Nasdaq Biotechnology ProShares Trust | 7,512 | 25.7K $ | 0.03 % | as of Feb 28, 2026 · Original filing |
| 158 | BlackRock Advantage SMID Cap V.I. Fund BlackRock Variable Series Funds, Inc. | 6,955 | 24.4K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 159 | Small Company Growth Portfolio Wilshire Mutual Funds Inc | 6,942 | 24.4K $ | 0.11 % | as of Mar 31, 2026 · Original filing |
| 160 | ProShares Russell 2000 High Income ETF ProShares Trust | 6,935 | 23.7K $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 161 | Putnam Multi-Asset Income Fund Putnam Asset Allocation Funds | 6,758 | 23.1K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 162 | PGIM Balanced Fund Prudential Investment Portfolios, Inc. | 6,400 | 22.5K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 163 | AST Small-Cap Equity Portfolio Advanced Series Trust | 6,290 | 22.1K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 164 | EQ/Franklin Small Cap Value Managed Volatility Portfolio EQ Advisors Trust | 5,617 | 19.7K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 165 | SA Franklin Allocation Moderately Aggressive Portfolio SEASONS SERIES TRUST | 5,435 | 19.1K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 166 | Bridge Builder Small/Mid Cap Value Fund Bridge Builder Trust | 5,288 | 18.6K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 167 | Franklin U.S. Small Cap Multifactor Index ETF Franklin Templeton ETF Trust | 5,082 | 17.8K $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 168 | Destinations Small-Mid Cap Equity Fund Brinker Capital Destinations Trust | 4,866 | 16.6K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 169 | Lazard US Systematic Small Cap Equity ETF Lazard Active ETF Trust | 4,717 | 16.6K $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 170 | Penn Series Small Cap Index Fund Penn Series Funds Inc | 4,361 | 15.3K $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 171 | JNL/DFA U.S. Core Equity Fund JNL Series Trust | 4,286 | 15K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 172 | TIAA Separate Account VA-1 - Stock Index Account TIAA Separate Account VA-1 | 4,179 | 14.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 173 | EQ/Common Stock Index Portfolio EQ Advisors Trust | 4,000 | 14K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 174 | Nationwide Fundamental All Cap Equity Portfolio Nationwide Mutual Funds | 3,857 | 15.9K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 175 | State Street Total Return V.I.S. Fund STATE STREET VARIABLE INSURANCE SERIES FUNDS INC | 3,653 | 12.8K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 176 | Putnam VT Global Asset Allocation Fund Putnam Variable Trust | 3,646 | 12.8K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 177 | Small Company Value Portfolio Wilshire Mutual Funds Inc | 3,541 | 12.4K $ | 0.05 % | as of Mar 31, 2026 · Original filing |
| 178 | SA Franklin Tactical Opportunities Portfolio SUNAMERICA SERIES TRUST | 3,444 | 14.2K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 179 | VIP Total Market Index Portfolio Variable Insurance Products Fund II | 3,417 | 12K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 180 | Total Stock Market Index Trust John Hancock Variable Insurance Trust | 2,679 | 9.4K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 181 | 1290 VT Small Cap Value Portfolio EQ Advisors Trust | 2,561 | 9K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 182 | American Century Small Cap Growth Insights ETF American Century ETF Trust | 2,046 | 7K $ | 0.08 % | as of Feb 28, 2026 · Original filing |
| 183 | ULTRA SMALL CAP PROFUND ProFunds | 1,806 | 7.4K $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 184 | Federated Hermes Global Allocation Fund Federated Hermes Global Allocation Fund | 1,577 | 5.4K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 185 | Fidelity Enhanced U.S. All-Cap Equity ETF Fidelity Covington Trust | 1,391 | 4.9K $ | 0.05 % | as of Mar 31, 2026 · Original filing |
| 186 | PD Small-Cap Value Index Portfolio PACIFIC SELECT FUND | 1,056 | 3.7K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 187 | State Street Balanced Index Fund STATE STREET INSTITUTIONAL INVESTMENT TRUST | 922 | 3.2K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 188 | Russell 2000 2x Strategy Fund Rydex Dynamic Funds | 816 | 2.9K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 189 | Knights of Columbus U.S. ALL CAP INDEX FUND ADVISORS' INNER CIRCLE III | 762 | 3.1K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 190 | Goldman Sachs Absolute Return Tracker Fund GOLDMAN SACHS TRUST | 714 | 2.5K $ | as of Mar 31, 2026 · Original filing | |
| 191 | Small-Cap Equity Portfolio PACIFIC SELECT FUND | 632 | 2.2K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 192 | SmallCap Value Fund II Principal Funds, Inc | 613 | 2.5K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 193 | PROFUND VP ULTRA SMALL CAP ProFunds | 535 | 1.9K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 194 | PROFUND VP SMALL CAP ProFunds | 404 | 1.4K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 195 | GMO U.S. Small Cap Value Fund GMO TRUST | 372 | 1.3K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 196 | Russell 2000 Fund Rydex Series Funds | 361 | 1.3K $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 197 | SMALL-CAP PROFUND ProFunds | 292 | 1.2K $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 198 | Russell 2000 1.5x Strategy Fund Rydex Series Funds | 223 | 782.7 $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 199 | ProShares Hedge Replication ETF ProShares Trust | 164 | 560.9 $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 200 | Avantis Total Equity Markets ETF American Century ETF Trust | 72 | 246.2 $ | as of Feb 28, 2026 · Original filing |
Institutional managers
219 managers declare this company to the SEC (Form 13F). These positions are not counted in the totals above: a manager and its own funds file separately.
| Manager | Shares | Value | |
|---|---|---|---|
| ARMISTICE CAPITAL, LLC | 15,028,000 | 52.7M $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 13,362,930 | 46.9M $ | as of Mar 31, 2026 |
| Sarissa Capital Management LP | 9,188,635 | 32.3M $ | as of Mar 31, 2026 |
| BANK OF AMERICA CORP /DE/ | 8,682,907 | 30.5M $ | as of Mar 31, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | 8,061,073 | 28.3M $ | as of Mar 31, 2026 |
| AQR CAPITAL MANAGEMENT LLC | 7,535,080 | 26.4M $ | as of Mar 31, 2026 |
| STATE STREET CORP | 7,456,944 | 26.2M $ | as of Mar 31, 2026 |
| TWO SIGMA INVESTMENTS, LP | 5,848,276 | 20.5M $ | as of Mar 31, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 4,737,857 | 16.6M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 4,543,522 | 16M $ | as of Mar 31, 2026 |
| MARSHALL WACE, LLP | 4,525,064 | 15.9M $ | as of Mar 31, 2026 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 3,632,477 | 12.7M $ | as of Mar 31, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 3,397,242 | 11.9M $ | as of Mar 31, 2026 |
| FEDERATED HERMES, INC. | 3,348,806 | 11.8M $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 2,690,634 | 9.4M $ | as of Mar 31, 2026 |
| DIMENSIONAL FUND ADVISORS LP | 2,082,055 | 7.3M $ | as of Mar 31, 2026 |
| Connor, Clark & Lunn Investment Management Ltd. | 1,835,424 | 6.4M $ | as of Mar 31, 2026 |
| Qube Research & Technologies Ltd | 1,590,081 | 5.6M $ | as of Mar 31, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1,472,157 | 5.2M $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 1,265,842 | 4.4M $ | as of Mar 31, 2026 |
| Hillsdale Investment Management Inc. | 1,236,628 | 4.3M $ | as of Mar 31, 2026 |
| DEUTSCHE BANK AG\ | 1,124,989 | 3.9M $ | as of Mar 31, 2026 |
| UBS Group AG | 933,225 | 3.3M $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 824,819 | 2.9M $ | as of Mar 31, 2026 |
| FMR LLC | 790,386 | 2.8M $ | as of Mar 31, 2026 |