Notable Holders of IRONWOOD PHARMACEUTICALS, INC. CL A (IRWD)
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* Does Not Fully Represent All Holders
| Fund | Title | Shares | % Owned | Source |
|---|---|---|---|---|
| MORGAN STANLEY | COM | 9,252,487 | 15.45% | 13F |
| Ridgeback Capital Investments L.P. | COMMON STOCK | 8,157,343 | 13.62% | 13F |
| Wellington | COM CL A | 7,906,190 | 13.20% | 13F |
| Fidelity Investments | COM CL A | 5,123,954 | 8.56% | 13F |
| VANGUARD GROUP INC | COM CL A | 2,504,362 | 4.18% | 13F |
| Maverick Capital | COM CL A | 2,171,197 | 3.63% | 13F |
| TCW GROUP INC | COM CL A | 2,115,320 | 3.53% | 13F |
| MAVERICK CAPITAL LTD | COM CL A | 2,101,695 | 3.51% | 13F |
| BRIDGER MANAGEMENT LLC | COMMON STOCK | 1,879,375 | 3.14% | 13F |
| BlackRock Fund Advisors | COM CL A | 1,508,409 | 2.52% | 13F |
| Adage Capital | CL A | 1,461,589 | 2.44% | 13F |
| FIL Ltd | COM CL A | 1,224,933 | 2.05% | 13F |
| BLACKROCK ADVISORS LLC | COM CL A | 868,598 | 1.45% | 13F |
| WADDELL & REED FINANCIAL INC | COM CL A | 800,280 | 1.34% | 13F |
| JANUS CAPITAL MANAGEMENT LLC | COM | 732,140 | 1.22% | 13F |
| NORTHERN TRUST CORP | COM | 628,445 | 1.05% | 13F |
| AMERIPRISE FINANCIAL INC | COM | 607,664 | 1.01% | 13F |
| BlackRock Institutional Trust Company, N.A. | COM CL A | 591,602 | 0.99% | 13F |
| PRICE T ROWE ASSOCIATES INC /MD/ | COMM STK | 524,515 | 0.88% | 13F |
| STATE OF WISCONSIN INVESTMENT BOARD | COM CL A | 484,200 | 0.81% | 13F |
| TURNER INVESTMENT PARTNERS INC | COM CL A | 475,170 | 0.79% | 13F |
| ALGER FRED MANAGEMENT INC | COMMON | 418,760 | 0.70% | 13F |
| TIAA CREF INVESTMENT MANAGEMENT LLC | COM CL A | 241,254 | 0.40% | 13F |
| SHAPIRO ROBERT N | COMMON STOCK | 236,647 | 0.40% | 13F |
| UBS GLOBAL ASSET MANAGEMENT AMERICAS INC | EQTY US OTC | 234,800 | 0.39% | 13F |
| Broderick Brian C | COMMON STOCK | 217,475 | 0.36% | 13F |
| Ulys, LLC | COM CL A | 216,879 | 0.36% | 13F |
| BlackRock Group LTD | COM CL A | 157,700 | 0.26% | 13F |
| PIONEER INVESTMENT MANAGEMENT INC | COMMSTCK | 149,751 | 0.25% | 13F |
| BlackRock Investment Management, LLC | COM CL A | 144,674 | 0.24% | 13F |
| GEODE CAPITAL MANAGEMENT LLC | COM CL A | 142,987 | 0.24% | 13F |
| SCHWAB CHARLES INVESTMENT MANAGEMENT INC | COM CL A | 132,424 | 0.22% | 13F |
| MAZAMA CAPITAL MANAGEMENT INC | COM | 116,390 | 0.19% | 13F |
| DEUTSCHE BANK AG\ | COM CL A | 105,016 | 0.18% | 13F |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | * IRONWOOD | 101,545 | 0.17% | 13F |
| JPMORGAN CHASE & CO | COMMON | 95,725 | 0.16% | 13F |
| WEISEL THOMAS PARTNERS ASSET MANAGEMENT LLC | COM CL A | 92,945 | 0.16% | 13F |
| BVF INC/IL | COM CL A | 86,500 | 0.14% | 13F |
| RENAISSANCE TECHNOLOGIES LLC | COM CL A | 58,300 | 0.10% | 13F |
| TOCQUEVILLE ASSET MANAGEMENT LP | COM | 53,458 | 0.09% | 13F |
| TEACHERS ADVISORS INC | COM CL A | 44,172 | 0.07% | 13F |
| Manulife Asset Management (North America) Ltd | COM CL A | 42,374 | 0.07% | 13F |
| PEAK6 Investments, L.P. | COM CL A | 40,400 | 0.07% | 13F |
| Banyan Partners, LLC | COM | 38,300 | 0.06% | 13F |
| AMERICAN INTERNATIONAL GROUP INC | COM | 36,843 | 0.06% | 13F |
| GRT CAPITAL PARTNERS LLC | COM CL A | 26,726 | 0.04% | 13F |
| SPRINGBOK CAPITAL MANAGEMENT, LLC | COM CL A | 25,274 | 0.04% | 13F |
| ING INVESTMENT MANAGEMENT CO | COM CL A | 25,100 | 0.04% | 13F |
| Goldman Sachs Asset Management, L.P. | CMN | 23,450 | 0.04% | 13F |
| CREDIT AGRICOLE S A | COM CL A | 22,615 | 0.04% | 13F |
| UBS AG | COM CL A | 20,645 | 0.03% | 13F |
| AQR CAPITAL MANAGEMENT LLC | COM CL A | 19,100 | 0.03% | 13F |
| HARBOURVEST PARTNERS LLC | COMMON | 17,143 | 0.03% | 13F |
| PRINCIPAL FINANCIAL GROUP INC | COM CL A | 16,419 | 0.03% | 13F |
| JENNISON ASSOCIATES LLC | COM CL A | 13,057 | 0.02% | 13F |
| UNITED SERVICES AUTOMOBILE ASSOCIATION | COMMON | 12,600 | 0.02% | 13F |
| CREDIT SUISSE AG/ | COM CL A | 10,692 | 0.02% | 13F |
| D. E. Shaw & Co., INC. | COM CL A | 7,464 | 0.01% | 13F |
