Ironwood Pharmaceuticals Inc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| ARMISTICE CAPITAL, LLC | 02/17/2026 | 16.03 M | $54.00 M | -0.77% | 9.88% |
| VANGUARD GROUP INC | 01/29/2026 | 15.96 M | $53.78 M | -0.71% | 9.84% |
| SARISSA CAPITAL MANAGEMENT LP | 02/17/2026 | 15.92 M | $53.65 M | 0.00% | 9.81% |
| BLACKROCK, INC. | 02/12/2026 | 12.78 M | $43.08 M | 5.99% | 7.88% |
| BANK OF AMERICA CORP /DE/ | 02/17/2026 | 11.52 M | $38.83 M | -1.49% | 7.10% |
| UBS GROUP AG | 01/29/2026 | 11.20 M | $37.75 M | 0.00% | 6.90% |
| RENAISSANCE TECHNOLOGIES LLC | 02/12/2026 | 8.20 M | $27.65 M | -1.76% | 5.06% |
| ACADIAN ASSET MANAGEMENT LLC | 02/10/2026 | 6.46 M | $21.75 M | -0.69% | 3.98% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 02/13/2026 | 4.98 M | $16.77 M | 1.19% | 3.07% |
| AQR CAPITAL MANAGEMENT LLC | 02/17/2026 | 4.72 M | $15.92 M | -12.18% | 2.91% |
| MARSHALL WACE, LLP | 02/13/2026 | 4.42 M | $14.91 M | 40.71% | 2.73% |
| STATE STREET CORP | 02/13/2026 | 4.41 M | $14.87 M | 39.76% | 2.72% |
| GEODE CAPITAL MANAGEMENT, LLC | 02/09/2026 | 3.62 M | $12.21 M | 0.24% | 2.23% |
| FEDERATED HERMES, INC. | 02/12/2026 | 3.32 M | $11.18 M | 53.82% | 2.05% |
| TWO SIGMA ADVISERS, LP | 02/17/2026 | 3.14 M | $10.58 M | -5.32% | 1.94% |
| TWO SIGMA INVESTMENTS, LP | 02/17/2026 | 2.85 M | $9.62 M | 12.57% | 1.76% |
| JANE STREET GROUP, LLC | 02/12/2026 | 2.82 M | $9.50 M | 21.48% | 1.74% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 02/13/2026 | 2.76 M | $9.30 M | 43.69% | 1.70% |
| CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD. | 02/10/2026 | 1.99 M | $6.71 M | -7.91% | 1.23% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 02/17/2026 | 1.68 M | $5.67 M | -40.10% | 1.04% |
| GOLDMAN SACHS GROUP INC | 03/25/2026 | 1.28 M | $4.30 M | 17.61% | 0.79% |
| NORTHERN TRUST CORP | 02/17/2026 | 1.23 M | $4.16 M | -8.00% | 0.76% |
| HILLSDALE INVESTMENT MANAGEMENT INC. | 02/10/2026 | 1.16 M | $3.90 M | 100.00% | 0.71% |
| DEUTSCHE BANK AG\ | 02/11/2026 | 1.11 M | $3.74 M | -27.32% | 0.68% |
| LAZARD ASSET MANAGEMENT LLC | 02/17/2026 | 1.00 M | $3.37 M | 100.00% | 0.62% |
| RAYMOND JAMES FINANCIAL INC | 02/18/2026 | 869.83 K | $2.93 M | 5,681.11% | 0.54% |
| MORGAN STANLEY | 02/13/2026 | 739.69 K | $2.49 M | 55.04% | 0.46% |
| FMR LLC | 02/17/2026 | 686.74 K | $2.31 M | 22.64% | 0.42% |
| DIADEMA PARTNERS LP | 02/17/2026 | 683.61 K | $2.30 M | 100.00% | 0.42% |
| SEI INVESTMENTS CO | 02/13/2026 | 673.86 K | $2.27 M | -1.43% | 0.42% |
| EXOME ASSET MANAGEMENT LLC | 02/13/2026 | 648.53 K | $2.19 M | 100.00% | 0.40% |
| AMUNDI | 02/17/2026 | 642.83 K | $2.17 M | 100.00% | 0.40% |
| LOS ANGELES CAPITAL MANAGEMENT LLC | 02/11/2026 | 634.33 K | $951.50 K | -43.87% | 0.39% |
| IEQ CAPITAL, LLC | 02/13/2026 | 633.26 K | $2.13 M | -4.30% | 0.39% |
| GSA CAPITAL PARTNERS LLP | 02/06/2026 | 571.61 K | $1.93 M | 84.67% | 0.35% |
| MILLENNIUM MANAGEMENT LLC | 02/17/2026 | 560.71 K | $1.89 M | 124.18% | 0.35% |
| WALLEYE CAPITAL LLC | 02/13/2026 | 527.94 K | $1.78 M | 100.00% | 0.33% |
| UBS GROUP AG | 01/29/2026 | 510.54 K | $1.72 M | -37.10% | 0.31% |
| BANK OF NEW YORK MELLON CORP | 02/10/2026 | 510.21 K | $1.72 M | 1.42% | 0.31% |
| WELLINGTON MANAGEMENT GROUP LLP | 02/17/2026 | 503.94 K | $1.70 M | 100.00% | 0.31% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 02/17/2026 | 495.99 K | $1.67 M | 230.66% | 0.31% |
| INVESCO LTD. | 02/19/2026 | 449.22 K | $1.51 M | 22.56% | 0.28% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 02/17/2026 | 448.80 K | $1.51 M | 363.32% | 0.28% |
| RANGE FINANCIAL GROUP LLC | 01/15/2026 | 426.10 K | $1.44 M | 100.00% | 0.26% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 02/13/2026 | 412.06 K | $1.39 M | 100.00% | 0.25% |
| BARCLAYS PLC | 02/13/2026 | 392.90 K | $1.32 M | 32.15% | 0.24% |
| FRANKLIN RESOURCES INC | 02/11/2026 | 385.58 K | $1.30 M | 1,558.35% | 0.24% |
| ROBECO INSTITUTIONAL ASSET MANAGEMENT B.V. | 01/23/2026 | 343.00 K | $1.16 M | 0.00% | 0.21% |
| CERITY PARTNERS LLC | 02/11/2026 | 338.51 K | $1.14 M | -0.16% | 0.21% |
| DIMENSIONAL FUND ADVISORS LP | 02/12/2026 | 330.84 K | $1.11 M | 266.08% | 0.20% |
Explore Related Stocks for Market Trends
Explore our related stocks for the latest market trends and stock news to stay informed and make better decisions.
Ironwood Pharmaceuticals Inc institutional Ownership - FAQ's
During the previous two years, 323 institutional investors and hedge funds held shares of Ironwood Pharmaceuticals Inc. The most heavily invested institutionals were:
FEDERATED HERMES, INC.: 3.35 M
DIMENSIONAL FUND ADVISORS LP: 2.08 M
Connor, Clark & Lunn Investment Management Ltd.: 1.84 M
Hillsdale Investment Management Inc.: 1.24 M
DEUTSCHE BANK AG\: 1.12 M
VANGUARD FIDUCIARY TRUST CO: 988,630
95.32% of Ironwood Pharmaceuticals Inc stock is owned by institutional investors.
Institutional investors have bought a total of 208.74 M shares in the last 24 months. This purchase volume represents approximately $761.92 M in transactions.