DISCIPLINED GROWTH INVESTORS INC /MN
13F-HR, 1999-05-06
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				UNITED STATES
			SECURITIES AND EXCHANGE COMMISSION
				WASHINGTON, D.C. 20549

					FORM 13F

				FORM 13F COVER PAGE

Report for the Calendar Year of Quarter Ended: March 31, 1999

Check here if Amendment  [  ]; Amendment Number:
This Amendment  (Check only one.): [  ] is a restatement.
				   [  ] adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:   Disciplined Growth Investors, Inc.
Address:900 2nd Avenue South Suite 450
	Minneapolis, MN 55402

13f File Number: 28-6630

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:    Mark R. Ferguson
Title:   Managing Principal
Phone:	 612-317-4101
Signature, Place, and Date of Signing:

	Mark R. Ferguson	Minneapolis, MN		April 20, 1999
Report Type  (Check only one):

[X]	13F HOLDINGS REPORT

[ ]	13F NOTICE

[ ]	13F COMBINATION REPORT.

List of other Managers Reporting for this Manager:


I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934.
<PAGE>


			FORM 13F SUMMARY PAGE

Report Summary:

Number of other included Managers:	0

Form 13F Information Table Entry Total:	172

Form 13F Information Table Value Total:	$537,505


List of Other Included Managers:

No.   13F File Number      Name


<PAGE>
<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  
- ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
<S>                            <C>              <C>       <C>      <C>      <C> <C>  <C>     <C>          <C>      <C>      <C>
A D C TELECOMMUNICATN COM      com              000886101      286     6000 SH       SOLE                     6000                 
ACTIVISION INC NEW COM NEW     com              004930202     5514   445600 SH       SOLE                   445600                 
ADAPTEC INC COM                com              00651F108      470    20600 SH       SOLE                    20600                 
ADOBE SYS INC COM              com              00724F101     7497   132100 SH       SOLE                   132000               100
AK STL HLDG CORP COM           com              001547108    22075   978402 SH       SOLE                   972902              5500
                                                               180     8000 SH       OTHER                    8000        
ALCATEL ALSTHOM SPONSORED ADR  com              013904305     4680   205158 SH       SOLE                   205158                 
ALLSTATE CORP COM              com              020002101     2935    79200 SH       SOLE                    79000               200
APPLE COMPUTER INC COM         com              037833100     9714   270300 SH       SOLE                   268500              1800
ARCHER DANIELS MIDLAND COM     com              039483102      165    11226 SH       SOLE                    11226                 
ASCEND COMMUNICATIONS COM      com              043491109     1588    18975 SH       SOLE                    18675               300
ASHWORTH INC COM               com              04516H101      997   284900 SH       SOLE                   284900                 
ASPEN TECHNOLOGY INC COM       com              045327103     4174   294200 SH       SOLE                   294200                 
                                                                14     1000 SH       OTHER                    1000        
ASSISTED LIVING CONCPT COM     com              04543l109      332    93100 SH       SOLE                    93100                 
AUTODESK INC COM               com              052769106     1056    26119 SH       SOLE                    26119                 
AWARE INC MASS COM             com              05453N100     1410    30000 SH       SOLE                    30000                 
BARRETT RES CORP COM PAR $0.01 com              068480201     1358    54200 SH       SOLE                    54200                 
BETHLEHEM STL CORP COM         com              087509105     3091   374700 SH       SOLE                   374700                 
BJ SVCS CO COM                 com              055482103     1813    78000 SH       SOLE                    78000                 
BLACK BOX CORP DEL COM         com              091826107     2065    66600 SH       SOLE                    66600                 
BP AMOCO P L C SPONSORED ADR   com              055622104      214     2115 SH       SOLE                     2115                 
CABLE DESIGN TECH CORP COM     com              126924109      148    13500 SH       SOLE                    13500                 
CALIFORNIA MICROWAVE COM       com              130442106     4210   391600 SH       SOLE                   391600                 
                                                                32     3000 SH       OTHER                    3000        
CARDINAL HEALTH INC COM        com              14149Y108     5942    90035 SH       SOLE                    89325               710
CBS CORP COM                   com              12490K107     9932   243351 SH       SOLE                   242351              1000
CENDANT CORP COM               com              151313103     6889   432229 SH       SOLE                   432120               109
CENTRAL PKG CORP COM           com              154785109      248     7200 SH       OTHER                    7200        
CHEESECAKE FACTORY INC COM     com              163072101     5974   251550 SH       SOLE                   251350               200
CHRONIMED INC COM              com              171164106     1736   290800 SH       SOLE                   290800                 
CITATION CORP ALA COM          com              172895104      156    15200 SH       SOLE                    15000               200
CITIGROUP INC COM              com              173034109     3402    53258 SH       SOLE                    53258                 
CLARIFY INC COM                com              180492100     5407   202600 SH       SOLE                   202600                 
COGNOS INC COM                 com              19244C109     3360   143000 SH       SOLE                   143000                 
COLGATE PALMOLIVE CO COM       com              194162103      218     2375 SH       SOLE                     2375                 
CONSOLIDATED STORES CP COM     com              210149100     3556   117308 SH       SOLE                   117308                 
CORPORATE EXPRESS INC COM      com              219888104     7402  1426801 SH       SOLE                  1425201              1600
                                                                36     7000 SH       OTHER                    6000              1000
CSX CORP COM                   com              126408103     2951    75794 SH       SOLE                    75294               500
                                                                47     1200 SH       OTHER                    1200        
DAMARK INTL INC CL A           com              235691102     1975   229000 SH       SOLE                   229000                 
DAVOX CORP COM                 com              239208101     1138   184000 SH       SOLE                   183900               100
DENTSPLY INTL INC NEW COM      com              249030107     3487   150000 SH       SOLE                   149800               200
DEVON ENERGY CORP COM          com              251799102    14082   510927 SH       SOLE                   508627              2300
                                                               106     3856 SH       OTHER                    3856        
DIAMOND MULTIMEDIA SYS COM     com              252714100     2563   418500 SH       SOLE                   418500                 
DONALDSON INC COM              com              257651109      594    33000 SH       SOLE                    32400               600
DSET CORP COM                  com              262504103     2585   222400 SH       SOLE                   222400                 
DURA PHARMACEUTICALS COM       com              26632s109     4578   324100 SH       SOLE                   324100                 
EATON CORP COM                 com              278058102     7926   110851 SH       SOLE                   110451               400
                                                                64      900 SH       OTHER                     900        
ECHELON CORP COM               com              27874N105     2280   228000 SH       SOLE                   228000                 
EXECUTIVE RISK INC COM         com              301586103     1136    16000 SH       SOLE                    16000                 
EXXON CORP COM                 com              302290101      232     3284 SH       SOLE                     3100               184
                                                                85     1200 SH       OTHER                    1200        
FBL FINL GROUP INC COM         com              30239F106     2190   123400 SH       SOLE                   123400                 
FIRSTAR CORP COM               com              33761C103      358     4000 SH       SOLE                     4000                 
GENERAL MLS INC COM            com              370334104      252     3335 SH       SOLE                     3335                 
GENERAL MTRS CORP COM          com              370442105    10349   118951 SH       SOLE                   118551               400
GENTEX CORP COM                com              371901109     2879   133500 SH       SOLE                   133500                 
GEORGIA PAC CORP COM-TIMBER GR com              373298702     4815   214600 SH       SOLE                   214600                 
                                                                20      900 SH       OTHER                     900        
HARBINGER CORP COM             com              41145C103     1874   277575 SH       SOLE                   277575                 
                                                                13     2000 SH       OTHER                                      2000
HONEYWELL INC COM              com              438506107     6325    83436 SH       SOLE                    81936              1500
                                                                68      900 SH       OTHER                     900        
INCYTE PHARMACEUTICALS COM     com              45337c102     4975   248000 SH       SOLE                   248000                 
INPUT/OUTPUT INC COM           com              457652105      185    29300 SH       SOLE                    29300                 
INSO CORP COM                  com              457674109     1428   188800 SH       SOLE                   188800                 
INTEL CORP COM                 com              458140100      837     7040 SH       SOLE                     5740              1300
                                                               452     3800 SH       OTHER                    3800        
INTERNATIONAL BUS MACH COM     com              459200101      389     2196 SH       SOLE                     1832               364
                                                                71      400 SH       OTHER                     400        
INTUIT COM                     com              461202103    23525   231200 SH       SOLE                   230300               900
                                                               509     5000 SH       OTHER                    5000        
JDA SOFTWARE GROUP INC COM     com              46612K108     2345   315250 SH       SOLE                   315250                 
                                                                15     2000 SH       OTHER                    2000        
JEFFERSON PILOT CORP COM       com              475070108     7632   112651 SH       SOLE                   112501               150
JEVIC TRANSN INC COM           com              47719P107     1305   202700 SH       SOLE                   202700                 
K MART CORP COM                com              482584109     3268   194401 SH       SOLE                   194401                 
KONINKLIJKE AHOLD N V SPNSRD A com              500467303      212     5543 SH       SOLE                     5543                 
KROGER CO COM                  com              501044101     6616   110500 SH       SOLE                   109600               900
                                                               180     3000 SH       OTHER                    3000        
LAKEHEAD PIPE LINE L P PREF UN com              511557100      783    17400 SH       SOLE                    17400                 
LANDS END INC COM              com              515086106    14579   421050 SH       SOLE                   419200              1850
                                                                42     1200 SH       OTHER                    1200        
LEGATO SYS INC COM             com              524651106     4928    95453 SH       SOLE                    95453                 
LTV CORP NEW COM               com              501921100     5223   971700 SH       SOLE                   970000              1700
MAGNA INTL INC CL A            com              559222401     1968    33900 SH       SOLE                    33900                 
MAPINFO CORP COM               com              565105103     2538   180500 SH       SOLE                   180500                 
                                                                14     1000 SH       OTHER                    1000        
MERCK & CO INC COM             com              589331107      458     5720 SH       SOLE                     5520               200
METRIS COS INC COM             com              591598107     7624   188824 SH       SOLE                   188824                 
MICHAELS STORES INC COM        com              594087108     6774   274400 SH       SOLE                   274400                 
MICRON TECHNOLOGY INC COM      com              595112103     8259   171400 SH       SOLE                   171400                 
MICROSOFT CORP COM             com              594918104      549     6120 SH       SOLE                     6120                 
MINNESOTA MNG & MFG CO COM     com              604059105      184     2600 SH       SOLE                     2200               400
                                                               141     2000 SH       OTHER                    2000        
MORGAN J P & CO INC COM        com              616880100      148     1200 SH       SOLE                     1200                 
                                                                99      800 SH       OTHER                     800        
NEUROGEN CORP COM              com              64124E106      620    58000 SH       SOLE                    57800               200
NIKE INC CL B                  com              654106103    10424   180700 SH       SOLE                   180700                 
NOBLE AFFILIATES INC COM       com              654894104     3671   126600 SH       SOLE                   126600                 
NOBLE DRILLING CORP COM        com              655042109     1797   103401 SH       SOLE                   103401                 
NOODLE KIDOODLE INC COM        com              655370104      745   112500 SH       SOLE                   112500                 
NORTHERN BORDER PARTNR UNIT LT com              664785102      831    27200 SH       SOLE                    27200                 
NORTHERN TELECOM LTD COM       com              665815106     2335    37580 SH       SOLE                    36920               660
OPEN TEXT CORP COM             com              683715106     8629   273950 SH       SOLE                   273950                 
                                                                63     2000 SH       OTHER                                      2000
ORACLE CORP COM                com              68389X105     2954   112000 SH       SOLE                   112000                 
OSHKOSH B GOSH INC CL A        com              688222207      948    53600 SH       SOLE                    53600                 
PETCO ANIMAL SUPPLIES COM      com              716016100     1379   137900 SH       SOLE                   137900                 
PETROLEUM GEO-SVCS A/S SPONSOR com              716597109      538    35300 SH       SOLE                    35300                 
PFIZER INC COM                 com              717081103      250     1804 SH       SOLE                     1804                 
                                                               527     3796 SH       OTHER                    3796        
PIMCO ADVISORS HLDG LP UT LTD  com              69338P102      252     8020 SH       SOLE                     8020                 
PINNACLE SYS INC COM           com              723481107     7962   175000 SH       SOLE                   174800               200
                                                                 3       62 SH       OTHER                                        62
PLEXUS CORP COM                com              729132100     3883   139300 SH       SOLE                   139300                 
POLICY MGMT SYS CORP COM       com              731108106     5405   176500 SH       SOLE                   176100               400
PPG INDS INC COM               com              693506107      287     5600 SH       SOLE                     5400               200
QUANEX CORP COM                com              747620102     1283    82800 SH       SOLE                    82800                 
R & B FALCON CORP              com              74912e101     5479   635201 SH       SOLE                   634901               300
RAYTHEON CO CL A               com              755111309     5835   101038 SH       SOLE                   101013                25
RENT WAY INC COM               com              76009U104     4582   190900 SH       SOLE                   190900                 
REYNOLDS METALS CO COM         com              761763101     6798   140701 SH       SOLE                   140101               600
                                                                58     1200 SH       OTHER                    1200        
SANMINA CORP COM               com              800907107    16549   259600 SH       SOLE                   259600                 
SCIENTIFIC ATLANTA INC COM     com              808655104    13388   491301 SH       SOLE                   490001              1300
                                                               136     5000 SH       OTHER                    5000        
SECURE COMPUTING CORP COM      com              813705100     3391   323000 SH       SOLE                   323000                 
                                                                10     1000 SH       OTHER                                      1000
SHAW GROUP INC COM             com              820280105      380    27300 SH       SOLE                    27300                 
SOUTHWEST AIRLS CO COM         com              844741108      562    18587 SH       SOLE                    18587                 
SOVEREIGN BANCORP INC COM      com              845905108     2728   222700 SH       SOLE                   222700                 
SPLASH TECH HLDGS INC COM      com              848623104     2243   370000 SH       SOLE                   369500               500
                                                                12     2000 SH       OTHER                                      2000
ST JUDE MED INC COM            com              790849103     4485   184000 SH       SOLE                   184000                 
STB SYS INC COM                com              784741100      522    66775 SH       SOLE                    66775                 
STERIGENICS INTL INC COM       com              85915R105     1261   129300 SH       SOLE                   129300                 
STERLING COMM INC COM          com              859205106      242     7870 SH       SOLE                     7570               300
STRUCTURAL DYNAMIC RES COM     com              863555108    15633   820100 SH       SOLE                   817200              2900
SUN MICROSYSTEMS INC COM       com              866810104    48166   385139 SH       SOLE                   380839              4300
                                                              1688    13500 SH       OTHER                   13500        
SUNTERRA CORP COM              com              86787d109     1389   142500 SH       SOLE                   142500                 
SURMODICS INC                  com              868873100      237    16900 SH       SOLE                    16900                 
SYNAPTIC PHARMACEUTICA COM     com              87156r109     1092   158800 SH       SOLE                   158800                 
TCF FINL CORP COM              com              872275102      805    30900 SH       SOLE                    30900                 
TECHNOLOGY SOLUTIONS COM       com              87872T108      583    81775 SH       SOLE                    81775                 
TEXAS INSTRS INC COM           com              882508104    13449   135502 SH       SOLE                   135502                 
TRANSAMERICA CORP COM          com              893485102     4189    59002 SH       SOLE                    59002                 
TRIBUNE CO NEW COM             com              896047107      406     6200 SH       SOLE                     6200                 
TRIMBLE NAVIGATION LTD COM     com              896239100      567    58200 SH       SOLE                    58100               100
UAL CORP COM PAR $0.01         com              902549500     3645    46800 SH       SOLE                    46800                 
UNITED HEALTHCARE CORP COM     com              910581107     1258    23910 SH       SOLE                    23810               100
UROLOGIX INC COM               com              917273104      737   200000 SH       SOLE                   200000                 
WABASH NATL CORP COM           com              929566107     7634   656700 SH       SOLE                   654400              2300
                                                               116    10000 SH       OTHER                   10000        
WACKENHUT CORRECTIONS COM      com              929798106     2093   108400 SH       SOLE                   108400                 
WELLS FARGO & CO NEW COM       com              949746101      350     9982 SH       SOLE                     9582               400
WESTERN DIGITAL CORP COM       com              958102105     4984   632900 SH       SOLE                   632700               200
                                                                23     2900 SH       OTHER                    1500              1400
WEYERHAEUSER CO COM            com              962166104      919    16550 SH       SOLE                    16450               100
KOREA FD COM                                    500634100     1745   169200 SH       SOLE                   169200                 
COCA COLA CO COM               com              191216100    -2866   -46700 SH       SOLE                   -46700                 
DELL COMPUTER CORP COM         com              247025109    -1050   -25700 SH       SOLE                   -25700                 
DISNEY WALT CO COM             com              254687106    -1839   -59100 SH       SOLE                   -59100                 
GENERAL ELEC CO COM            com              369604103    -2168   -19600 SH       SOLE                   -19600                 
LUCENT TECHNOLOGIES COM        com              549463107    -1080   -10000 SH       SOLE                   -10000                 
MERCK & CO INC COM             com              589331107    -1619   -20200 SH       SOLE                   -20200                 
MICROSOFT CORP COM             com              594918104     -538    -6000 SH       SOLE                    -6000                 
</TABLE>


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