Fund shareholders of Ironwood Pharmaceuticals Inc
ISIN US46333X1081 · United States · LEI 549300PC8MR6QHH6P296
- Fund shareholders
- 215
- Of which ETFs
- 48 167 other funds
- Value held
- ≈ 210.1M $ 209.6M $ · 387.3K €
- Share of capital
- 30.9 % of 165.2M shares on Jul 31, 2026
215 funds hold this company. This table lists the 214 that declare it in a regulatory filing. 1 more fund publishes its holdings in its own report. The “Fund reports” tab lists it, with its weight.
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| State Street(R) SPDR(R) S&P(R) Biotech ETF SPDR SERIES TRUST | 5,499,839 | 23.2M $ | 0.22 % | 3.33 % | as of Jun 30, 2026 ↗ |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 4,781,484 | 20.1M $ | 0.00 % | 2.89 % | as of Jun 30, 2026 ↗ |
| iShares Russell 2000 ETF iShares Trust | 4,262,458 | 17.9M $ | 0.02 % | 2.58 % | as of Jun 30, 2026 ↗ |
| Schwab Fundamental U.S. Small Company ETF SCHWAB STRATEGIC TRUST | 2,465,723 | 8.8M $ | 0.10 % | 1.49 % | as of May 31, 2026 ↗ |
| VANGUARD STRATEGIC EQUITY FUND VANGUARD HORIZON FUNDS | 1,833,231 | 7.7M $ | 0.06 % | 1.11 % | as of Jun 30, 2026 ↗ |
| Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 1,790,034 | 7.6M $ | 0.02 % | 1.08 % | as of Jul 31, 2026 ↗ |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 1,677,797 | 7.1M $ | 0.01 % | 1.02 % | as of Jun 30, 2026 ↗ |
| iShares Russell 2000 Growth ETF iShares Trust | 1,413,903 | 6M $ | 0.04 % | 0.86 % | as of Jun 30, 2026 ↗ |
| VANGUARD EXPLORER FUND VANGUARD EXPLORER FUND | 1,403,741 | 5.9M $ | 0.03 % | 0.85 % | as of Jul 31, 2026 ↗ |
| Federated Hermes MDT Small Cap Core Fund Federated Hermes MDT Series | 1,286,341 | 5.4M $ | 0.24 % | 0.78 % | as of Jul 31, 2026 ↗ |
| iShares Biotechnology ETF iShares Trust | 1,116,521 | 4.7M $ | 0.05 % | 0.68 % | as of Jun 30, 2026 ↗ |
| Pacer US Small Cap Cash Cows 100 ETF Pacer Funds Trust | 1,079,411 | 4.6M $ | 0.12 % | 0.65 % | as of Jul 31, 2026 ↗ |
| Bridge Builder Small/Mid Cap Growth Fund Bridge Builder Trust | 904,987 | 3.8M $ | 0.03 % | 0.55 % | as of Jun 30, 2026 ↗ |
| BlackRock Advantage Small Cap Core Fund BlackRock Funds | 833,504 | 3M $ | 0.06 % | 0.50 % | as of May 29, 2026 ↗ |
| VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 823,033 | 2.9M $ | 0.02 % | 0.50 % | as of May 31, 2026 ↗ |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 740,842 | 2.6M $ | 0.01 % | 0.45 % | as of May 31, 2026 ↗ |
| Fidelity Enhanced Small Cap Core ETF Fidelity Covington Trust | 740,102 | 3.1M $ | 0.05 % | 0.45 % | as of Jun 30, 2026 ↗ |
| Federated Hermes MDT Small Cap Growth Fund Federated Hermes MDT Series | 732,361 | 3.1M $ | 0.37 % | 0.44 % | as of Jul 31, 2026 ↗ |
| Schwab U.S. Small-Cap ETF SCHWAB STRATEGIC TRUST | 689,826 | 2.5M $ | 0.01 % | 0.42 % | as of May 31, 2026 ↗ |
| U.S. SMALL CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 634,531 | 2.7M $ | 0.01 % | 0.38 % | as of Jul 31, 2026 ↗ |
| Inspire Fidelis Multi Factor ETF Northern Lights Fund Trust IV | 566,621 | 2M $ | 1.00 % | 0.34 % | as of May 31, 2026 ↗ |
| iShares Micro-Cap ETF iShares Trust | 550,600 | 2.3M $ | 0.15 % | 0.33 % | as of Jun 30, 2026 ↗ |
| U.S. MICRO CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 538,751 | 2.3M $ | 0.03 % | 0.33 % | as of Jul 31, 2026 ↗ |
| Dimensional U.S. Small Cap ETF Dimensional ETF Trust | 534,999 | 2.3M $ | 0.01 % | 0.32 % | as of Jul 31, 2026 ↗ |
| VANGUARD U.S. MOMENTUM FACTOR ETF VANGUARD WELLINGTON FUND | 521,040 | 1.9M $ | 0.10 % | 0.32 % | as of May 31, 2026 ↗ |
| VictoryShares Small Cap Free Cash Flow ETF Victory Portfolios II | 487,698 | 2.1M $ | 0.34 % | 0.30 % | as of Jun 30, 2026 ↗ |
| Fidelity Small-Mid Multifactor ETF Fidelity Covington Trust | 466,785 | 2M $ | 0.08 % | 0.28 % | as of Jul 31, 2026 ↗ |
| VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND | 436,023 | 1.6M $ | 0.01 % | 0.26 % | as of May 31, 2026 ↗ |
| Schwab Fundamental U.S. Small Company Index Fund SCHWAB CAPITAL TRUST | 420,307 | 1.8M $ | 0.07 % | 0.25 % | as of Jul 31, 2026 ↗ |
| Schwab Small-Cap Index Fund SCHWAB CAPITAL TRUST | 398,128 | 1.7M $ | 0.02 % | 0.24 % | as of Jul 31, 2026 ↗ |
| Virtus Biotech Etf ETFis Series Trust I | 371,823 | 1.6M $ | 1.60 % | 0.23 % | as of Jul 31, 2026 ↗ |
| iShares U.S. Small-Cap Equity Factor ETF iShares Trust | 367,210 | 1.6M $ | 0.04 % | 0.22 % | as of Jul 31, 2026 ↗ |
| LVIP Franklin Templeton Multi-Factor SMID Cap Equity Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 340,773 | 1.4M $ | 0.14 % | 0.21 % | as of Jun 30, 2026 ↗ |
| Master Small Cap Index Series Quantitative Master Series LLC | 306,225 | 1.3M $ | 0.02 % | 0.19 % | as of Jun 30, 2026 ↗ |
| Invesco RAFI US 1500 Small-Mid ETF Invesco Exchange-Traded Fund Trust | 273,799 | 1.2M $ | 0.04 % | 0.17 % | as of Jul 31, 2026 ↗ |
| Dimensional U.S. Core Equity 2 ETF Dimensional ETF Trust | 272,518 | 1.2M $ | 0.00 % | 0.16 % | as of Jul 31, 2026 ↗ |
| VANGUARD U.S. VALUE FACTOR ETF VANGUARD WELLINGTON FUND | 269,520 | 962.2K $ | 0.12 % | 0.16 % | as of May 31, 2026 ↗ |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 269,516 | 962.2K $ | 0.00 % | 0.16 % | as of May 31, 2026 ↗ |
| AQR Small Cap Multi-Style Fund AQR Funds | 254,364 | 1.1M $ | 0.28 % | 0.15 % | as of Jun 30, 2026 ↗ |
| Small-Cap Value Fund Bridgeway Funds, Inc. | 253,800 | 1.1M $ | 0.31 % | 0.15 % | as of Jun 30, 2026 ↗ |
| PGIM Quant Solutions Small-Cap Value Fund Target Portfolio Trust | 241,300 | 1M $ | 0.23 % | 0.15 % | as of Jul 31, 2026 ↗ |
| BlackRock Advantage Small Cap Growth Fund BlackRock Funds | 219,444 | 923.9K $ | 0.11 % | 0.13 % | as of Jun 30, 2026 ↗ |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 217,381 | 776.1K $ | 0.00 % | 0.13 % | as of May 31, 2026 ↗ |
| Nuveen Small Cap Blend Index Fund TIAA-CREF Funds | 217,221 | 918.8K $ | 0.02 % | 0.13 % | as of Jul 31, 2026 ↗ |
| iShares Core S&P Total U.S. Stock Market ETF iShares Trust | 196,125 | 825.7K $ | 0.00 % | 0.12 % | as of Jun 30, 2026 ↗ |
| Strategic Advisers U.S. Total Stock Fund Fidelity Rutland Square Trust II | 192,459 | 687.1K $ | 0.00 % | 0.12 % | as of May 31, 2026 ↗ |
| Direxion Daily S&P Biotech Bull 3X Shares Direxion Shares ETF Trust | 186,886 | 790.5K $ | 0.16 % | 0.11 % | as of Jul 31, 2026 ↗ |
| SIMT Tax-Managed Small/Mid Cap Fund SEI INSTITUTIONAL MANAGED TRUST | 185,407 | 780.6K $ | 0.10 % | 0.11 % | as of Jun 30, 2026 ↗ |
| Distillate Small/Mid Cash Flow ETF ETF Series Solutions | 180,929 | 761.7K $ | 0.59 % | 0.11 % | as of Jun 30, 2026 ↗ |
| SIIT SMALL CAP II FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 179,973 | 642.5K $ | 0.27 % | 0.11 % | as of May 31, 2026 ↗ |
| EQ/2000 Managed Volatility Portfolio EQ Advisors Trust | 179,849 | 757.2K $ | 0.02 % | 0.11 % | as of Jun 30, 2026 ↗ |
| SEI Select Small Cap ETF SEI EXCHANGE TRADED FUNDS | 179,443 | 755.5K $ | 0.13 % | 0.11 % | as of Jun 30, 2026 ↗ |
| SIMT Small Cap Fund SEI INSTITUTIONAL MANAGED TRUST | 167,305 | 704.4K $ | 0.14 % | 0.10 % | as of Jun 30, 2026 ↗ |
| Franklin Small Cap Enhanced ETF Franklin Templeton ETF Trust | 161,157 | 678.5K $ | 0.54 % | 0.10 % | as of Jun 30, 2026 ↗ |
| Federated Hermes MDT Small Cap Value Fund f/k/a Federated Hermes Clover Small Value Fund Federated Hermes Equity Funds | 148,426 | 624.9K $ | 0.36 % | 0.09 % | as of Jun 30, 2026 ↗ |
| BlackRock Advantage SMID Cap Fund, Inc. BlackRock Advantage SMID Cap Fund, Inc. | 147,412 | 620.6K $ | 0.06 % | 0.09 % | as of Jun 30, 2026 ↗ |
| Victory Small Cap Stock Fund Victory Portfolios III | 146,579 | 620K $ | 0.06 % | 0.09 % | as of Jul 31, 2026 ↗ |
| Fidelity Small Cap Growth Index Fund Fidelity Salem Street Trust | 144,685 | 609.1K $ | 0.04 % | 0.09 % | as of Jun 30, 2026 ↗ |
| VOYA SMALL COMPANY PORTFOLIO Voya VARIABLE PORTFOLIOS INC | 143,575 | 604.5K $ | 0.28 % | 0.09 % | as of Jun 30, 2026 ↗ |
| VIP Disciplined Small Cap Portfolio Variable Insurance Products Fund II | 139,320 | 586.5K $ | 0.09 % | 0.08 % | as of Jun 30, 2026 ↗ |
| VANGUARD RUSSELL 2000 GROWTH INDEX FUND VANGUARD SCOTTSDALE FUNDS | 137,967 | 492.5K $ | 0.03 % | 0.08 % | as of May 31, 2026 ↗ |
| Ultra-Small Company Fund Bridgeway Funds, Inc. | 135,993 | 572.5K $ | 0.58 % | 0.08 % | as of Jun 30, 2026 ↗ |
| JPMorgan Diversified Return U.S. Small Cap Equity ETF J.P. Morgan Exchange-Traded Fund Trust | 135,991 | 575.2K $ | 0.10 % | 0.08 % | as of Jul 31, 2026 ↗ |
| Voya MI Dynamic Small Cap Fund Voya Equity Trust | 128,965 | 460.4K $ | 0.25 % | 0.08 % | as of May 31, 2026 ↗ |
| SMALL CAP EQUITY FUND GuideStone Funds | 118,737 | 499.9K $ | 0.05 % | 0.07 % | as of Jun 30, 2026 ↗ |
| PACE Small/Medium Co Growth Equity Investments PACE SELECT ADVISORS TRUST | 107,812 | 456K $ | 0.18 % | 0.07 % | as of Jul 31, 2026 ↗ |
| Putnam Dynamic Asset Allocation Growth Fund Putnam Asset Allocation Funds | 104,715 | 440.9K $ | 0.01 % | 0.06 % | as of Jun 30, 2026 ↗ |
| LVIP State Street Small-Cap Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 102,872 | 433.1K $ | 0.02 % | 0.06 % | as of Jun 30, 2026 ↗ |
| Multi-Manager Small Cap Equity Strategies Fund COLUMBIA FUNDS SERIES TRUST I | 99,216 | 354.2K $ | 0.03 % | 0.06 % | as of May 31, 2026 ↗ |
| Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 99,113 | 353.8K $ | 0.00 % | 0.06 % | as of May 31, 2026 ↗ |
| SIIT SMALL CAP FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 98,083 | 350.2K $ | 0.18 % | 0.06 % | as of May 31, 2026 ↗ |
| EQ/Small Company Index Portfolio EQ Advisors Trust | 96,380 | 405.8K $ | 0.02 % | 0.06 % | as of Jun 30, 2026 ↗ |
| Nuveen Equity Index Fund TIAA-CREF Funds | 96,297 | 407.3K $ | 0.00 % | 0.06 % | as of Jul 31, 2026 ↗ |
| Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST | 95,218 | 402.8K $ | 0.00 % | 0.06 % | as of Jul 31, 2026 ↗ |
| U.S. CORE EQUITY 2 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 88,288 | 373.5K $ | 0.00 % | 0.05 % | as of Jul 31, 2026 ↗ |
| Goldman Sachs Small Cap Growth Insights Fund Goldman Sachs Trust | 87,852 | 371.6K $ | 0.11 % | 0.05 % | as of Jul 31, 2026 ↗ |
| SIMT Small Cap Growth Fund SEI INSTITUTIONAL MANAGED TRUST | 86,563 | 364.4K $ | 0.12 % | 0.05 % | as of Jun 30, 2026 ↗ |
| Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST | 86,390 | 308.4K $ | 0.00 % | 0.05 % | as of May 31, 2026 ↗ |
| Small Cap Index Fund Northern Funds | 84,236 | 354.6K $ | 0.02 % | 0.05 % | as of Jun 30, 2026 ↗ |
| WisdomTree U.S. SmallCap Fund WisdomTree Trust | 82,379 | 346.8K $ | 0.05 % | 0.05 % | as of Jun 30, 2026 ↗ |
| Clearwater Select Equity Fund Clearwater Investment Trust | 81,613 | 343.6K $ | 0.07 % | 0.05 % | as of Jun 30, 2026 ↗ |
| Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust | 79,755 | 337.4K $ | 0.00 % | 0.05 % | as of Jul 31, 2026 ↗ |
| Global X Russell 2000 ETF GLOBAL X FUNDS | 78,252 | 331K $ | 0.02 % | 0.05 % | as of Jul 31, 2026 ↗ |
| VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 77,833 | 327.7K $ | 0.00 % | 0.05 % | as of Jun 30, 2026 ↗ |
| Diversified Equity Alpha Master Portfolio Master Investment Portfolio | 74,001 | 311.5K $ | 0.01 % | 0.04 % | as of Jun 30, 2026 ↗ |
| Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF Goldman Sachs ETF Trust | 73,969 | 264.1K $ | 0.03 % | 0.04 % | as of May 31, 2026 ↗ |
| Putnam Dynamic Asset Allocation Balanced Fund Putnam Asset Allocation Funds | 72,370 | 304.7K $ | 0.01 % | 0.04 % | as of Jun 30, 2026 ↗ |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 71,834 | 302.4K $ | 0.00 % | 0.04 % | as of Jun 30, 2026 ↗ |
| Franklin U.S. Small Cap Equity Fund Legg Mason Global Asset Management Trust | 71,170 | 299.6K $ | 0.20 % | 0.04 % | as of Jun 30, 2026 ↗ |
| Goldman Sachs Small Cap Equity Insights Fund Goldman Sachs Trust | 69,155 | 292.5K $ | 0.03 % | 0.04 % | as of Jul 31, 2026 ↗ |
| Small Cap Index Fund VALIC Co I | 67,249 | 240.1K $ | 0.02 % | 0.04 % | as of May 31, 2026 ↗ |
| FULLERTHALER BEHAVIORAL MICRO-CAP EQUITY FUND Capitol Series Trust | 65,700 | 276.6K $ | 0.91 % | 0.04 % | as of Jun 30, 2026 ↗ |
| NVIT Multi-Manager Small Company Fund Nationwide Variable Insurance Trust | 65,247 | 274.7K $ | 0.06 % | 0.04 % | as of Jun 30, 2026 ↗ |
| VOYA INDEX PLUS SMALLCAP PORTFOLIO Voya VARIABLE PORTFOLIOS INC | 63,395 | 266.9K $ | 0.06 % | 0.04 % | as of Jun 30, 2026 ↗ |
| NVIT Small Cap Value Fund Nationwide Variable Insurance Trust | 61,732 | 259.9K $ | 0.12 % | 0.04 % | as of Jun 30, 2026 ↗ |
| STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST | 60,678 | 255.5K $ | 0.01 % | 0.04 % | as of Jun 30, 2026 ↗ |
| iShares Russell 2000 Value ETF iShares Trust | 55,686 | 234.4K $ | 0.00 % | 0.03 % | as of Jun 30, 2026 ↗ |
| MetLife Russell 2000 Index Portfolio Brighthouse Funds Trust II | 54,543 | 229.6K $ | 0.02 % | 0.03 % | as of Jun 30, 2026 ↗ |
| Allspring Disciplined Small Cap Fund ALLSPRING FUNDS TRUST | 54,526 | 229.6K $ | 0.12 % | 0.03 % | as of Jun 30, 2026 ↗ |
| Fidelity ZERO Extended Market Index Fund Fidelity Concord Street Trust | 53,025 | 224.3K $ | 0.01 % | 0.03 % | as of Jul 31, 2026 ↗ |
Funds that publish their own holdings
| Fund | Weight in fund | |
|---|---|---|
| Mandarine Funds - Mandarine Global Microcap Mandarine Gestion | 0.31 % | as of Jun 30, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| GESTION BOUTIQUE IV, FI GESTION BOUTIQUE IV/JPB GLOBAL ALLOCATION ANDBANK WEALTH MANAGEMENT, SGIIC, S.A.U. | 12.04 % | as of Dec 31, 2025 ↗ |
| GESTION BOUTIQUE II, FI GESTION BOUTIQUE II/JPB GROWTH ANDBANK WEALTH MANAGEMENT, SGIIC, S.A.U. | 2.82 % | as of Dec 31, 2025 ↗ |
| DASC INVESTMENTS, SICAV S.A. BANKINTER GESTION DE ACTIVOS, S.A., S.G.I.I.C. | 2.26 % | as of Dec 31, 2025 ↗ |
| Virtus Biotech Etf ETFis Series Trust I | 1.60 % | as of Jul 31, 2026 ↗ |
| Inspire Fidelis Multi Factor ETF Northern Lights Fund Trust IV | 1.00 % | as of May 31, 2026 ↗ |
| FULLERTHALER BEHAVIORAL MICRO-CAP EQUITY FUND Capitol Series Trust | 0.91 % | as of Jun 30, 2026 ↗ |
| Disciplined U.S. Small Cap Equity Portfolio GLENMEDE FUND INC | 0.68 % | as of Jul 31, 2026 ↗ |
| Distillate Small/Mid Cash Flow ETF ETF Series Solutions | 0.59 % | as of Jun 30, 2026 ↗ |
| Ultra-Small Company Fund Bridgeway Funds, Inc. | 0.58 % | as of Jun 30, 2026 ↗ |
| Franklin Small Cap Enhanced ETF Franklin Templeton ETF Trust | 0.54 % | as of Jun 30, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q3 | 211 | +9 | 51,130,687 | +7.2 % |
| 2026Q2 | 202 | +31 | 47,705,162 | +22.0 % |
| 2026Q1 | 171 | +30 | 39,097,245 | +8.7 % |
| 2025Q4 | 141 | -4 | 35,963,485 | +1.6 % |
| 2025Q3 | 145 | -25 | 35,410,109 | -0.1 % |
| 2025Q2 | 170 | -51 | 35,433,747 | -45.0 % |
| 2025Q1 | 221 | -7 | 64,470,542 | +10.6 % |
| 2024Q4 | 228 | -21 | 58,277,517 | -19.1 % |
| 2024Q3 | 249 | -31 | 72,018,973 | -6.6 % |
| 2024Q2 | 280 | -19 | 77,105,161 | +13.3 % |
| 2024Q1 | 299 | +7 | 68,076,371 | -0.8 % |
| 2023Q4 | 292 | 68,602,985 |
Institutional managers
219 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| 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 |
| ACADIAN ASSET MANAGEMENT LLC | 6,577,272 | 23.1K $ | 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 |
Declared shareholders of Ironwood Pharmaceuticals Inc
There are 3 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| Armistice Capital, LLC and 1 other | 8.43 % | 13,932,000 | as of Jun 30, 2026 · SCHEDULE 13G |
| BlackRock, Inc. | 8.10 % | 13,373,568 | as of Jun 30, 2026 · SCHEDULE 13G |
| STATE STREET CORPORATION | 5.40 % | 8,809,601 | as of Jun 30, 2026 · SCHEDULE 13G |
Cite this page
Titelia. "Fund shareholders of Ironwood Pharmaceuticals Inc". https://titelia.com/en/stocks/ironwood-pharmaceuticals-inc-US46333X1081