13F-HR 1 ironwood-13f.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 2008 Check here if Amendment | |; Amendment Number: [ ] This Amendment (Check only one.): | | is a restatement | | add new holding entries. Institutional Investment Manager Filing this Report: Name: Ironwood Invesmtent Management, LLC Address: 21 Custom House Street, Suite 240 Boston, MA 02110 Form 13F File Number: 28-06155 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Warren J. Isabelle Title: Principal Phone: 617.757.7609 Signature, Place and Date of Signing: /s/ Warren J. Isabelle Boston, MA 4/10/2008 ---------------------- ------------- ----------------- [Signature] [City, State] [Date] Report Type: [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [ ] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) [ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) List of Other Managers Reporting for this Manager: [If there are no entries in this list, omit this section.] Form 13F File Number Name 28-NONE Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 126 Form 13F Information Table Value Total: 307,565 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. [If there are no entries in this list, state "NONE" and omit the column headings and list entries.] NONE FORM 13F INFORMATION TABLE FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- 4 Kids Entertainment Inc. com 350865101 1136 116295.00SH SOLE 76280.00 37115.00 A.M. Castle & Co. com 148411101 1640 60732.00 SH SOLE 43717.00 15715.00 Actividentity Corp com 00506P103 1355 542118.00SH SOLE 415187.00 117691.00 Aes Corp Com com 00130H105 525 31485.00 SH SOLE 31485.00 Airtran Hldgs Inc com 00949P108 1036 157012.00SH SOLE 154297.00 Allied Defense Group Com com 019118108 6650 1127050.00SH SOLE 1038445.00 81855.00 American Coml Lines Inc com 025195207 626 39635.00 SH SOLE 38940.00 American Int'l Group com 026874107 292 6748.00 SH SOLE 6618.00 Ampco Pittsburgh B com 032037103 1601 37250.00 SH SOLE 27190.00 9285.00 Analogic Corp New com 032657207 5160 77543.88 SH SOLE 70177.95 5940.00 Aquila Inc. com 03840P102 2186 680992.00SH SOLE 670727.00 Ariad Pharmaceuticals Inc com 04033a100 8058 2391095.00SH SOLE 2269331.00 107469.00 Aurora Oil & Gas Corp com 052036100 239 374154.00SH SOLE 367589.00 Avalon Pharmaceuticals Com com 05346p106 4168 1687526.00SH SOLE 1687526.00 Bank of Amer Corp com 060505104 398 10493.00 SH SOLE 10493.00 Beacon Roofing Supply Inc com 073685109 3881 388110.00SH SOLE 342095.00 38640.00 Berkshire Hills Bancorp Inc com 084680107 2049 81338.79 SH SOLE 80083.79 Bionova Inc Com com 090643107 2306 1816094.00SH SOLE 1816094.00 Bristol Myers Squibb Co Com com 110122108 275 12932.00 SH SOLE 12932.00 Bronco Drilling Co Inc com 112211107 1914 118835.00SH SOLE 117020.00 C&D Technologies Inc com 124661109 1696 337840.00SH SOLE 331995.00 CE Franklin Ltd Com com 125151100 1682 217920.00SH SOLE 147205.00 66990.00 CMGI Inc com 125750307 1911 144099.50SH SOLE 141852.50 Cache Inc. com 127150308 2076 183853.00SH SOLE 181073.00 Carter Inc. com 146229109 1618 100212.00SH SOLE 98697.00 Celsion Corp com 15117n305 6444 1204396.00SH SOLE 1204396.00 Charlotte Russe Hldg com 161048103 2412 139098.00SH SOLE 137008.00 Chemtura Corp com 163893100 9002 1226466.39SH SOLE 1156008.43 62418.00 Cherokee Intl Corp com 164450108 836 447104.00SH SOLE 440084.00 Chiquita Brands Inc. com 170032809 4155 179811.40SH SOLE 161003.06 15415.00 Citigroup Inc com 172967101 298 13892.15 SH SOLE 13762.15 Citizens First Bancorp Inc com 17461R106 1353 125869.73SH SOLE 109919.73 13690.00 Danka Business Sys Plc Sponsor com 236277109 2042 9960354.00SH SOLE 9208374.00 694980.00 Denbury Resources Inc. com 247916208 3314 116072.00SH SOLE 114422.00 Durect Corp com 266605104 17209 3277855.00SH SOLE 3124345.00 120385.00 Dynegy Inc Del com 26817G102 2404 304695.00SH SOLE 300945.00 EMS Technologies Inc com 26873N108 2606 96035.00 SH SOLE 94505.00 Eastern Insurance Holdings Inc com 276534104 1255 86562.00 SH SOLE 61677.00 22835.00 Exxon Mobil Corp com 30231G102 1536 18166.00 SH SOLE 18166.00 Flanders Corp. com 338494107 2068 339601.00SH SOLE 334356.00 Franklin Bank Corp. com 352451108 879 290230.00SH SOLE 285465.00 Freightcar America Inc. com 357023100 1195 34845.36 SH SOLE 34300.36 GSI Group Inc com 36229U102 863 110113.00SH SOLE 108108.00 General Electric Co com 369604103 1123 30345.06 SH SOLE 30087.44 Genitope Corp com 37229P507 43 171281.00SH SOLE 168546.00 Gevity HR Inc com 374393106 1065 123036.66SH SOLE 121226.66 Goodyear Tire & Rubr Co com 382550101 693 26870.00 SH SOLE 26690.00 HMS Holdings Corp. com 40425J101 3411 119492.00SH SOLE 117712.00 Hanover Insurance Group Inc com 410867105 7135 173422.00SH SOLE 162122.00 10450.00 Healthtronics, Inc com 42222L107 74 22820.00 SH SOLE 22820.00 Hewlett Packard com 428236103 867 18978.00 SH SOLE 18888.00 Hollis-Eden Pharmaceuticals In com 435902101 305 173498.00SH SOLE 170473.00 Hooker Furniture Corp com 439038100 1114 49865.00 SH SOLE 36055.00 12635.00 Hudson Highland Group Inc com 443792106 1526 180209.00SH SOLE 177364.00 I-MANY Inc com 44973Q103 4607 1919477.00SH SOLE 1889722.00 ICO Hldgs Inc com 449293109 10973 1581153.00SH SOLE 1513848.00 55220.00 InFocus Corp com 45665b106 1465 783180.00SH SOLE 529665.00 236265.00 Indevus Pharmaceuticals Inc com 454072109 745 156241.00SH SOLE 153506.00 Industrial Enterprises Com New com 456132208 839 3813335.00SH SOLE 3564130.00 245130.00 International Coal Group Inc com 45928H106 4619 727447.00SH SOLE 649562.00 64145.00 Intl Business Machines com 459200101 1116 9695.61 SH SOLE 9630.61 Iomega Corp Com com 462030305 1003 280888.00SH SOLE 212198.00 63565.00 Iona Technologies PLC Spon ADR com 46206P109 824 212320.00SH SOLE 208640.00 Jos A Bank Clothiers Inc com 480838101 2075 101230.00SH SOLE 99530.00 Kona Grill Inc com 50047H201 899 101185.00SH SOLE 99405.00 LT X Corp Com com 502392103 442 140725.00SH SOLE 138305.00 MFRI Inc Com com 552721102 5514 342930.00SH SOLE 324525.00 17005.00 Madden Steven LTD com 556269108 1999 116714.59SH SOLE 114734.59 Magnetek Inc. com 559424106 7605 2210652.00SH SOLE 2051467.00 144070.00 Material Sciences Corp com 576674105 8477 1092451.00SH SOLE 1024816.00 61270.00 Maxwell Technologies Inc com 577767106 708 69490.00 SH SOLE 68255.00 Mckesson Hboc Inc com 58155Q103 743 14180.00 SH SOLE 14180.00 Measurement Specialties Inc com 583421102 1101 63012.00 SH SOLE 61917.00 Mentor Graphics Corp com 587200106 1659 187842.00SH SOLE 184697.00 Merck & Co. Inc com 589331107 306 8074.00 SH SOLE 8074.00 Metalico Inc com 591176102 1690 172660.00SH SOLE 168520.00 Mocon Inc com 607494101 7396 655667.00SH SOLE 655667.00 Moldflow Corp com 608507109 1700 97464.00 SH SOLE 95799.00 Motorola Inc com 620076109 255 27375.66 SH SOLE 27195.66 NMS Communications Corp com 629248105 959 639250.00SH SOLE 629840.00 Nautilus Inc com 63910B102 359 108981.61SH SOLE 107061.61 Newpark RES Inc com 651718504 2211 433505.00SH SOLE 426650.00 Novagold RES Inc com 66987E206 1575 204282.00SH SOLE 180267.00 20225.00 Novavax Corp com 670002104 9200 3458560.00SH SOLE 3211320.00 221180.00 Olin Corp com 680665205 1280 64800.00 SH SOLE 44520.00 18730.00 Omnova Solutions Inc com 682129101 7151 1792112.00SH SOLE 1691847.00 92590.00 PFF Bancorp Inc. com 69331W104 1606 193015.17SH SOLE 190045.17 PMA Cap Corp com 693419202 2665 312068.00SH SOLE 307498.00 Pacer Intl Inc Tenn com 69373H106 1463 89055.00 SH SOLE 87660.00 Parallel Pete Corp DEL com 699157103 2371 121175.00SH SOLE 119050.00 Pegasystems Inc com 705573103 1787 185539.27SH SOLE 182819.27 Pepsico Inc com 713448108 502 6955.00 SH SOLE 6955.00 Petrohawk Energy Corp com 716495106 5296 262568.00SH SOLE 236063.00 21655.00 Pfizer Inc com 717081103 364 17388.00 SH SOLE 17388.00 Photon Dynamics Inc com 719364101 750 70801.00 SH SOLE 69541.00 Plato Learning Inc com 72764Y100 537 183285.00SH SOLE 180260.00 Polyone Corp com 73179P106 8421 1322005.00SH SOLE 1228845.00 85660.00 Progessive Corp Ohio com 743315103 233 14475.00 SH SOLE 14475.00 Progress Software Corp com 743312100 4366 145938.00SH SOLE 143563.00 Proliance International Inc com 74340r104 580 318445.00SH SOLE 223310.00 85110.00 Quadramed Corp com 74730w101 5421 2838100.00SH SOLE 2838100.00 Safeway Inc Com New com 786514208 249 8480.00 SH SOLE 8480.00 Semitool Inc Com com 816909105 1493 179435.00SH SOLE 176275.00 Shaw Group Inc. com 820280105 3881 82320.00 SH SOLE 81100.00 Shoe Carnival Inc com 824889109 1057 78135.00 SH SOLE 76805.00 Softbrands Inc com 83402A107 957 928681.00SH SOLE 648754.00 258602.00 Sonus Networks Inc com 835916107 1822 529513.00SH SOLE 521198.00 Strategic Diagnostics Inc com 862700101 1072 287313.00SH SOLE 283363.00 Sunopta Inc com 8676EP108 2714 532195.00SH SOLE 523780.00 Sycamore Networks Inc com 871206108 1585 433072.00SH SOLE 426382.00 Sypris Solutions Inc com 871655106 583 141219.71SH SOLE 138879.71 Tempur-Pedic Intl Inc com 88023U101 2168 197107.73SH SOLE 194217.73 The Bank Of New York Mellon Co com 064058100 262 6285.00 SH SOLE 6285.00 U S Physical Therapy Inc com 90337L108 2487 172453.00SH SOLE 169553.00 Universal Fst Prods Inc com 913543104 724 22470.35 SH SOLE 22075.35 Varian Semiconductor Equip Aas com 922207105 6157 218721.00SH SOLE 215561.00 Vermillion Inc Com New com 92407M206 2137 676181.10SH SOLE 676181.10 Vicor Corp com 925815102 1625 136071.15SH SOLE 133821.15 Vivus Inc com 928551100 2559 424420.00SH SOLE 416955.00 Watts Water Technologies, Inc. com 942749102 1798 64127.87 SH SOLE 63137.87 Wausau Paper Corp com 943315101 1034 125191.06SH SOLE 123021.06 Westaff Inc. com 957070105 951 440210.00SH SOLE 296289.00 131971.00 Whitney Holding Corporation Co com 966612103 1883 75943.47 SH SOLE 74753.47 Williams Control Inc com 969465608 7717 562088.00SH SOLE 523988.00 34950.00 Xerox Corp com 984121103 183 12240.00 SH SOLE 12240.00 Zoran Corp Com com 98975F101 904 66150.00 SH SOLE 65000.00