DISCIPLINED GROWTH INVESTORS INC /MN
13F-HR, 1999-07-13
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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: June 30, 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:	168

Form 13F Information Table Value Total:	$555,439


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>
3DFX INTERACTIVE COM           com              88553X103      675    43200 SH       SOLE                    43200
ACTIVISION INC NEW COM NEW     com              004930202     4347   298500 SH       SOLE                   298500
ADAPTIVE BROADBAND CP COM      com              00650M104     6569   300300 SH       SOLE                   300300
                                                                66     3000 SH       OTHER                    3000
ADOBE SYS INC COM              com              00724F101     9464   115200 SH       SOLE                   115100               100
AK STL HLDG CORP COM           com              001547108    21535   957102 SH       SOLE                   951202              5900
                                                               180     8000 SH       OTHER                    8000
ALCATEL ALSTHOM SPONSORED ADR  com              013904305     5669   199796 SH       SOLE                   199796
ALLSTATE CORP COM              com              020002101     2088    58200 SH       SOLE                    58000               200
APPLE COMPUTER INC COM         com              037833100    11944   257900 SH       SOLE                   256100              1800
ARCHER DANIELS MIDLAND COM     com              039483102      173    11226 SH       SOLE                    11226
ASHWORTH INC COM               com              04516H101      722   156100 SH       SOLE                   156100
ASPEN TECHNOLOGY INC COM       com              045327103     3114   265000 SH       SOLE                   265000
                                                                12     1000 SH       OTHER                    1000
ASSISTED LIVING CONCPT COM     com              04543l109      268    93100 SH       SOLE                    93100
AUTODESK INC COM               com              052769106      389    13167 SH       SOLE                    13167
AWARE INC MASS COM             com              05453N100      922    20000 SH       SOLE                    20000
BARRETT RES CORP COM PAR $0.01 com              068480201     2068    53900 SH       SOLE                    53900
BETHLEHEM STL CORP COM         com              087509105     1944   252900 SH       SOLE                   252900
BJ SVCS CO COM                 com              055482103     2240    76100 SH       SOLE                    76100
BLACK BOX CORP DEL COM         com              091826107     1338    26700 SH       SOLE                    26700
CARDINAL HEALTH INC COM        com              14149Y108     4413    68811 SH       SOLE                    67958               853
CBS CORP COM                   com              12490K107    10091   231651 SH       SOLE                   230651              1000
CENDANT CORP COM               com              151313103     8235   401729 SH       SOLE                   401620               109
                                                                10      500 SH       OTHER                                       500
CENTRAL PKG CORP COM           com              154785109      247     7200 SH       OTHER                    7200
CHEESECAKE FACTORY INC COM     com              163072101     5717   187450 SH       SOLE                   187250               200
CHRONIMED INC COM              com              171164106      200    25800 SH       SOLE                    25800
CISCO SYS INC COM              com              17275R102      309     4800 SH       SOLE                     4800
CITIGROUP INC COM              com              173034109      743    15636 SH       SOLE                    15636
CLARIFY INC COM                com              180492100     5701   138200 SH       SOLE                   138200
COGNOS INC COM                 com              19244C109     3360   154500 SH       SOLE                   154500
COLGATE PALMOLIVE CO COM       com              194162103      234     2375 SH       SOLE                     2375
COMPS COM INC COM              com              204679104     1825   247500 SH       SOLE                   247500
CONSOLIDATED STORES CP COM     com              210149100     2978   110304 SH       SOLE                   110304
CORPORATE EXPRESS INC COM      com              219888104     8588  1226801 SH       SOLE                  1224601              2200
                                                                49     7000 SH       OTHER                    6000              1000
CSX CORP COM                   com              126408103     3258    71804 SH       SOLE                    71304               500
                                                                54     1200 SH       OTHER                    1200
DAIMLERCHRYSLER                com              d1668r123      222     2494 SH       SOLE                     2494
DAMARK INTL INC CL A           com              235691102     1561   186400 SH       SOLE                   186400
DAVOX CORP COM                 com              239208101     2995   250900 SH       SOLE                   250800               100
DELPHI AUTO SYS CORP COM       com              247126105     1490    80545 SH       SOLE                    80266               280
DENTSPLY INTL INC NEW COM      com              249030107     4323   149700 SH       SOLE                   149500               200
DEVON ENERGY CORP COM          com              251799102    18020   503165 SH       SOLE                   500865              2300
                                                               138     3856 SH       OTHER                    3856
DIAMOND MULTIMEDIA SYS COM     com              252714100     1208   292800 SH       SOLE                   292800
DONALDSON INC COM              com              257651109      745    30400 SH       SOLE                    29800               600
DSET CORP COM                  com              262504103     1992   142900 SH       SOLE                   142900
DURA PHARMACEUTICALS COM       com              26632s109     2914   244100 SH       SOLE                   244100
EATON CORP COM                 com              278058102     9867   107251 SH       SOLE                   106851               400
                                                                83      900 SH       OTHER                     900
ECHELON CORP COM               com              27874N105     1525   228000 SH       SOLE                   228000
EXXON CORP COM                 com              302290101      327     4246 SH       SOLE                     4062               184
                                                                93     1200 SH       OTHER                    1200
FBL FINL GROUP INC COM         com              30239F106     2406   123400 SH       SOLE                   123400
FIRSTAR CORP COM               com              33761C103      336    12000 SH       SOLE                    12000
GENERAL MLS INC COM            com              370334104      267     3327 SH       SOLE                     3327
GENERAL MTRS CORP COM          com              370442105     7582   114876 SH       SOLE                   114476               400
GENTEX CORP COM                com              371901109     1602    57200 SH       SOLE                    57200
GEORGIA PAC CORP COM-TIMBER GR com              373298702     5161   204400 SH       SOLE                   204400
                                                                23      900 SH       OTHER                     900
HARBINGER CORP COM             com              41145C103     3598   287850 SH       SOLE                   287850
                                                                25     2000 SH       OTHER                                      2000
HONEYWELL INC COM              com              438506107     9332    80536 SH       SOLE                    78636              1900
                                                               104      900 SH       OTHER                     900
INCYTE PHARMACEUTICALS COM     com              45337c102     5412   204700 SH       SOLE                   204700
INFORMATION ADVANTAGE COM      com              45669p101     1207   294800 SH       SOLE                   294800
INPUT/OUTPUT INC COM           com              457652105      312    41300 SH       SOLE                    41300
INSO CORP COM                  com              457674109      509    94700 SH       SOLE                    94700
INTEL CORP COM                 com              458140100      951    15980 SH       SOLE                    13680              2300
                                                               452     7600 SH       OTHER                    7600
INTERNATIONAL BUS MACH COM     com              459200101      438     3392 SH       SOLE                     2664               728
                                                               103      800 SH       OTHER                     800
INTUIT COM                     com              461202103    20400   226350 SH       SOLE                   225450               900
                                                               451     5000 SH       OTHER                    5000
JDA SOFTWARE GROUP INC COM     com              46612K108     3197   343300 SH       SOLE                   343300
                                                                19     2000 SH       OTHER                    2000
JEFFERSON PILOT CORP COM       com              475070108     7175   108401 SH       SOLE                   108251               150
JEVIC TRANSN INC COM           com              47719P107      504    36300 SH       SOLE                    36300
K MART CORP COM                com              482584109     3057   185301 SH       SOLE                   185301
KROGER CO COM                  com              501044101     4671   167200 SH       SOLE                   165400              1800
                                                               168     6000 SH       OTHER                    6000
LAKEHEAD PIPE LINE L P PREF UN com              511557100      765    17400 SH       SOLE                    17400
LANDS END INC COM              com              515086106    17400   361550 SH       SOLE                   359600              1950
                                                                58     1200 SH       OTHER                    1200
LEGATO SYS INC COM             com              524651106     5091    88153 SH       SOLE                    88153
LIPOSOME CO INC COM            com              536310105      574    30000 SH       SOLE                    30000
LTV CORP NEW COM               com              501921100     6222   939200 SH       SOLE                   937500              1700
MAPINFO CORP COM               com              565105103     2550   134200 SH       SOLE                   134200
                                                                19     1000 SH       OTHER                    1000
MERCK & CO INC COM             com              589331107      406     5520 SH       SOLE                     5320               200
METRIS COS INC COM             com              591598107    14830   363932 SH       SOLE                   363932
MICHAELS STORES INC COM        com              594087108     6967   227500 SH       SOLE                   227500
MICRON TECHNOLOGY INC COM      com              595112103     6796   167800 SH       SOLE                   167800
MICROSOFT CORP COM             com              594918104      552     6119 SH       SOLE                     6119
MINNESOTA MNG & MFG CO COM     com              604059105      313     3600 SH       SOLE                     3200               400
                                                               174     2000 SH       OTHER                    2000
MORGAN J P & CO INC COM        com              616880100      155     1100 SH       SOLE                     1100
                                                               112      800 SH       OTHER                     800
NEUROGEN CORP COM              com              64124E106      151    10300 SH       SOLE                    10100               200
NEWBRIDGE NETWORKS CP COM      com              650901101     7383   256800 SH       SOLE                   256800
                                                                34     1200 SH       OTHER                    1200
NIKE INC CL B                  com              654106103    10964   173000 SH       SOLE                   173000
NOBLE AFFILIATES INC COM       com              654894104     3323   117900 SH       SOLE                   117900
NOBLE DRILLING CORP COM        com              655042109     1967    99901 SH       SOLE                    99901
NOODLE KIDOODLE INC COM        com              655370104      598   112500 SH       SOLE                   112500
NORTHERN BORDER PARTNR UNIT LT com              664785102      752    24200 SH       SOLE                    24200
OPEN TEXT CORP COM             com              683715106     5953   198450 SH       SOLE                   198450
                                                                60     2000 SH       OTHER                                      2000
ORACLE CORP COM                com              68389X105    11691   314900 SH       SOLE                   314900
OSHKOSH B GOSH INC CL A        com              688222207     1069    50600 SH       SOLE                    50600
PETROLEUM GEO-SVCS A/S SPONSOR com              716597109      674    45300 SH       SOLE                    45300
PFIZER INC COM                 com              717081103      197     1804 SH       SOLE                     1804
                                                               414     3796 SH       OTHER                    3796
PIMCO ADVISORS HLDG LP UT LTD  com              69338P102      239     8020 SH       SOLE                     8020
PINNACLE SYS INC COM           com              723481107     7149   212600 SH       SOLE                   211400              1200
                                                                 4      124 SH       OTHER                                       124
PLEXUS CORP COM                com              729132100     3675   122000 SH       SOLE                   122000
POLICY MGMT SYS CORP COM       com              731108106     5175   172500 SH       SOLE                   172100               400
PREMISYS COMMUNICATION COM     com              740584107      871   119100 SH       SOLE                   119100
QUANEX CORP COM                com              747620102     2217    77800 SH       SOLE                    77800
R & B FALCON CORP              com              74912e101     5806   619301 SH       SOLE                   619001               300
RAYTHEON CO CL A               com              755111309     6794    98638 SH       SOLE                    98613                25
RENT WAY INC COM               com              76009U104     3137   127400 SH       SOLE                   127400
REYNOLDS METALS CO COM         com              761763101     8107   137401 SH       SOLE                   136801               600
                                                                71     1200 SH       OTHER                    1200
SANMINA CORP COM               com              800907107    15604   205650 SH       SOLE                   205650
SCIENTIFIC ATLANTA INC COM     com              808655104    14471   401983 SH       SOLE                   400283              1700
                                                               180     5000 SH       OTHER                    5000
SECURE COMPUTING CORP COM      com              813705100      320   131400 SH       SOLE                   131400
                                                                15     6000 SH       OTHER                                      6000
SOUTHWEST AIRLS CO COM         com              844741108      653    20987 SH       SOLE                    20987
SOVEREIGN BANCORP INC COM      com              845905108     2466   203400 SH       SOLE                   203400
SPLASH TECH HLDGS INC COM      com              848623104     2014   286400 SH       SOLE                   285900               500
                                                                14     2000 SH       OTHER                                      2000
ST JUDE MED INC COM            com              790849103     6398   179600 SH       SOLE                   179600
STERIGENICS INTL INC COM       com              85915R105      955    36200 SH       SOLE                    36200
STERLING COMM INC COM          com              859205106      283     7693 SH       SOLE                     7393               300
STRUCTURAL DYNAMIC RES COM     com              863555108    12875   693600 SH       SOLE                   690300              3300
SUN MICROSYSTEMS INC COM       com              866810104    48973   711043 SH       SOLE                   701643              9400
                                                              1860    27000 SH       OTHER                   27000
SUNTERRA CORP COM              com              86787d109     1856   133200 SH       SOLE                   133200
SURMODICS INC                  com              868873100      270    16500 SH       SOLE                    16500
SYNAPTIC PHARMACEUTICA COM     com              87156r109      665   140000 SH       SOLE                   140000
TECHNOLOGY SOLUTIONS COM       com              87872T108      884    81775 SH       SOLE                    81775
TEXAS INSTRS INC COM           com              882508104    15260   105972 SH       SOLE                   105972
TRANSAMERICA CORP COM          com              893485102     1523    20302 SH       SOLE                    20302
TRIBUNE CO NEW COM             com              896047107      540     6200 SH       SOLE                     6200
TRIMBLE NAVIGATION LTD COM     com              896239100      878    68200 SH       SOLE                    68100               100
TRISTAR AEROSPACE CO COM       com              89674L101      911   110400 SH       SOLE                   110400
UAL CORP COM PAR $0.01         com              902549500     2928    45300 SH       SOLE                    45300
UNITED HEALTHCARE CORP COM     com              910581107      520     8300 SH       SOLE                     8300
UROLOGIX INC COM               com              917273104      247   100000 SH       SOLE                   100000
WABASH NATL CORP COM           com              929566107    11077   571700 SH       SOLE                   569200              2500
                                                               194    10000 SH       OTHER                   10000
WACKENHUT CORRECTIONS COM      com              929798106     1175    59300 SH       SOLE                    59300
WELLS FARGO & CO NEW COM       com              949746101      350     8182 SH       SOLE                     7782               400
WESTERN DIGITAL CORP COM       com              958102105     3954   608300 SH       SOLE                   608100               200
                                                                19     2900 SH       OTHER                    1500              1400
WEYERHAEUSER CO COM            com              962166104      547     7950 SH       SOLE                     7850               100
KOREA FD COM                                    500634100     2517   169200 SH       SOLE                   169200
WEBS INDEX FD INC JAPAN WEBS                    92923h889     2681   214500 SH       SOLE                   214500
COCA COLA CO COM               com              191216100    -2895   -46700 SH       SOLE                   -46700
DISNEY WALT CO COM             com              254687106    -1821   -59100 SH       SOLE                   -59100
GENERAL ELEC CO COM            com              369604103    -2215   -19600 SH       SOLE                   -19600
LUCENT TECHNOLOGIES COM        com              549463107    -1962   -29100 SH       SOLE                   -29100
MICROSOFT CORP COM             com              594918104    -1903   -21100 SH       SOLE                   -21100
</TABLE>


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