KOPP INVESTMENT ADVISORS INC
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 or Quarter Ended:             03/31/99

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:             Kopp Investment Advisors, Inc.
Address:          7701 France Ave. So., Suite 500
                        Edina, MN  55435
                 
              
Form 13F File Number:  28-   

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:       Donald B. Cornelius
Title:         Secretary/Treasurer
Phone:       (612) 841-0400

Signature, Place and Date of Signing:

                    Edina, MN              5/6/99


Report Type  (Check only one.):

[ 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).)
PAGE
<PAGE>
               Form 13F SUMMARY PAGE


Report Summary:


Number of Other Included Managers:                    0

Form 13F Information Table Entry Total:        227

Form 13F Information Table Value Total:  $         2,466,123
                                   (thousands)

List of Other Included Managers:    NONE

PAGE
<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>
3 Com Corporation              COM              885535104     3497   150000 SH       SOLE                   150000                 
                                                             45354  1945433 SH       OTHER                   44600           1900833
ADC Telecommunications         COM              000886101    19075   400000 SH       SOLE                   400000                 
                                                            187450  3930755 SH       OTHER                  196200           3734555
AT&T Co.                       COM              001957109     1054    13200 SH       OTHER                     400             12800
AVT Corporation                COM              002420107     9550   400000 SH       SOLE                   400000                 
                                                             21593   904400 SH       OTHER                  113200            791200
Acxiom Corp.                   COM              005125109      649    24500 SH       OTHER                                     24500
Adac Labs                      COM              005313200     5340   391900 SH       OTHER                   69000            322900
Adept Tech Inc.                COM              006854103     3857   585000 SH       SOLE                   585000                 
                                                              6473   981600 SH       OTHER                  142000            839600
Adflex Solutions Inc.          COM              006866107      106    36040 SH       OTHER                   10000             26040
Aeroflex Inc.                  COM              007768104     1893   132850 SH       OTHER                                    132850
Aetrium Inc.                   COM              00817R103     2405   370000 SH       SOLE                   370000                 
                                                             10242  1575745 SH       OTHER                  204000           1371745
Alcatel ADR                    COM              013904305     5609   245874 SH       OTHER                                    245874
American Mgmt Systems          COM              027352103     9811   287500 SH       OTHER                    6000            281500
American Oncology Res Inc.     COM              028910107    10944  1216000 SH       OTHER                   20000           1196000
Anadigics Inc.                 COM              032515108     5287   300000 SH       SOLE                   300000                 
                                                             17783  1008985 SH       OTHER                  211000            797985
Analog Devices Inc.            COM              032654105    10128   340431 SH       OTHER                    2000            338431
Ansys Inc.                     COM              03662Q105     2750   400000 SH       SOLE                   400000                 
                                                               901   131000 SH       OTHER                   45000             86000
Applied Digital Access         COM              038181103       67    30000 SH       SOLE                    30000                 
                                                              3519  1564110 SH       OTHER                  152500           1411610
Applied Innovation Inc.        COM              037916103       94    28500 SH       OTHER                                     28500
Applied Microsystems           COM              037935103     1294   450000 SH       SOLE                   450000                 
                                                              1158   402750 SH       OTHER                  100000            302750
Applied Science & Tech         COM              038236105     4648   370000 SH       SOLE                   370000                 
                                                             13736  1093397 SH       OTHER                  138750            954647
Applix Inc.                    COM              038316105       68    16000 SH       OTHER                                     16000
Ardent Software Inc.           COM              039794102      321    20000 SH       SOLE                    20000                 
                                                              1027    63925 SH       OTHER                                     63925
Artesyn Technologies           COM              043127109     3712   300000 SH       SOLE                   300000                 
                                                              6412   518150 SH       OTHER                   86200            431950
Arthrocare Corp.               COM              043136100     2092   126800 SH       OTHER                                    126800
Aspect Telecomm. Corp.         COM              045237104      927   140000 SH       SOLE                   140000                 
                                                              4630   698848 SH       OTHER                   97200            601648
Aspen Tech Inc.                COM              045327103     1162    81900 SH       OTHER                   31000             50900
Asyst Technologies Inc.        COM              04648X107     2475   180000 SH       SOLE                   180000                 
                                                               540    39300 SH       OTHER                                     39300
Biosite Diagnostic Inc.        COM              090945106     8386   838650 SH       OTHER                  100000            738650
Boole & Babbage Inc.           COM              098586100     3300   137500 SH       OTHER                   75000             62500
Brooks Automation Inc.         COM              11434A100     3580   160000 SH       SOLE                   160000                 
                                                             22244   994125 SH       OTHER                  199000            795125
Burr Brown Corp.               COM              122574106     2820   120000 SH       SOLE                   120000                 
                                                              2989   127175 SH       OTHER                                    127175
Celeritek Inc.                 COM              150926103      152    38000 SH       SOLE                    38000                 
                                                               458   114600 SH       OTHER                   70000             44600
Centigram Comms                COM              152317103     2666   270000 SH       SOLE                   270000                 
                                                             10198  1032669 SH       OTHER                  130000            902669
Cholestech Corp.               COM              170393102      967   455000 SH       SOLE                   455000                 
                                                              2510  1181200 SH       OTHER                  177500           1003700
Cisco System Inc.              COM              17275R102     6026    55000 SH       SOLE                    55000                 
                                                             19284   176004 SH       OTHER                   44820            131184
Cognos Inc. (Canada)           COM              19244C109     9400   400000 SH       SOLE                   400000                 
                                                             27818  1183750 SH       OTHER                   99500           1084250
Complete Business Solutions    COM              20452F107     4020   204821 SH       OTHER                                    204821
Computer Network Tech Corp.    COM              204925101     2582   160100 SH       OTHER                                    160100
Conductus Inc.                 COM              206784100       28    20400 SH       OTHER                                     20400
Conexant Systems Inc.          COM              207142100      554    20000 SH       SOLE                    20000                 
                                                              5377   194200 SH       OTHER                   35000            159200
Credence Systems Corp          COM              225302108     6217   290000 SH       SOLE                   290000                 
                                                              4815   224600 SH       OTHER                   90000            134600
Cyberoptics Corp.              COM              232517102      455    35000 SH       SOLE                    35000                 
                                                             11675   898075 SH       OTHER                  169500            728575
Cylink Corp.                   COM              232565101     1560   390000 SH       SOLE                   390000                 
                                                              7420  1855070 SH       OTHER                  240000           1615070
Dallas Semiconductor           COM              235204104     6767   175201 SH       OTHER                                    175201
Davox Corp.                    COM              239208101      619   100000 SH       SOLE                   100000                 
                                                              2451   396100 SH       OTHER                  130500            265600
Dialogic Corp.                 COM              252499108     1220    40000 SH       SOLE                    40000                 
                                                             52418  1718624 SH       OTHER                   64500           1654124
Digital Link Corp.             COM              253856108     1680   280000 SH       SOLE                   280000                 
                                                              3972   662025 SH       OTHER                  127000            535025
Digital Microwave              COM              253859102    17336  2070000 SH       SOLE                  2070000                 
                                                             67036  8004268 SH       OTHER                  722000           7282268
E M P I Inc.                   COM              291586105    23658  1093997 SH       OTHER                    9000           1084997
EMS Technologies Inc.          COM              26873N108     3461   245000 SH       SOLE                   245000                 
                                                             13263   938958 SH       OTHER                   34500            904458
Emulex Corp.                   COM              292475209      330    10000 SH       SOLE                    10000                 
                                                                63     1900 SH       OTHER                                      1900
Ericsson L M Tel Co. ADR Cl. B COM              294821400     8688   364835 SH       OTHER                    2500            362335
Flir Systems Inc.              COM              302445101     1641    90540 SH       OTHER                   16000             74540
GSI Lumonics                   COM              36229U102      181    39063 SH       OTHER                   13470             25593
General Instruments            COM              370120107     7857   259200 SH       OTHER                   11000            248200
Gensym Corp.                   COM              37245R107      412   150000 SH       SOLE                   150000                 
                                                               311   113000 SH       OTHER                   85000             28000
Glenayre Technologies Inc.     COM              377899109       48    14000 SH       OTHER                                     14000
Hi/fn Inc.                     COM              428358105     1392    37128 SH       OTHER                    5069             32059
Hyperion Solutions             COM              44914M104     2900   200000 SH       SOLE                   200000                 
                                                              1095    75515 SH       OTHER                                     75515
IDX Systems Corp.              COM              449491109     5412   373213 SH       OTHER                    5890            367323
Image Premastering Services Lt COM              000000000       15    12500 SH       OTHER                                     12500
Imclone Systems Inc.           COM              45245W109     4387   260000 SH       SOLE                   260000                 
                                                              7397   438350 SH       OTHER                   40000            398350
Infinium Software Inc.         COM              45662Y109     1350   300000 SH       SOLE                   300000                 
                                                              3459   768557 SH       OTHER                   88500            680057
Information Mgmt. Assoc.       COM              456923101      574   270000 SH       SOLE                   270000                 
                                                               618   291000 SH       OTHER                   80000            211000
Input Software Inc.            COM              457654101      127    25000 SH       SOLE                    25000                 
                                                              3736   737850 SH       OTHER                   65500            672350
Integrated Measurement System  COM              457923100     1275   175900 SH       OTHER                   12000            163900
Inter-Tel Inc.                 COM              458372109     5739   368747 SH       OTHER                   40000            328747
Interim Services Inc.          COM              45868P100    11433   762200 SH       OTHER                   55000            707200
Intl. Business Machines        COM              459200101     5211    29400 SH       OTHER                     400             29000
Itron Inc.                     COM              465741106     5437   580000 SH       SOLE                   580000                 
                                                             22433  2392842 SH       OTHER                  366000           2026842
KLA-Tencor Corp.               COM              482480100     2222    45750 SH       OTHER                                     45750
Keane Inc.                     COM              486665102     3031   142200 SH       OTHER                    1500            140700
Kronos Inc.                    COM              501052104     1566    63909 SH       OTHER                    9000             54909
Lam Research Corp              COM              512807108      870    30000 SH       SOLE                    30000                 
                                                              1792    61800 SH       OTHER                   30000             31800
Larscom Inc.                   COM              51729Y108      628   300000 SH       SOLE                   300000                 
                                                              1227   586000 SH       OTHER                   75000            511000
Laser Power Corp.              COM              51806K104       61    65000 SH       OTHER                                     65000
Lattice Semiconductor          COM              518415104    14974   328635 SH       OTHER                                    328635
Lecroy Corp.                   COM              52324W109     6122   395000 SH       SOLE                   395000                 
                                                             18940  1221910 SH       OTHER                  171000           1050910
Level One Communications Inc.  COM              527295109    18113   372500 SH       SOLE                   372500                 
                                                            129660  2666538 SH       OTHER                  172000           2494538
Lightbridge Inc.               COM              532226107     2392   472500 SH       SOLE                   472500                 
                                                              7797  1540000 SH       OTHER                  284000           1256000
Lucent Technologies            COM              549463107      301     2786 SH       OTHER                                      2786
Macrovision Corp.              COM              555904101     8880   240000 SH       SOLE                   240000                 
                                                             24784   669850 SH       OTHER                  118200            551650
Manugistics Group Inc.         COM              565011103      191    28900 SH       OTHER                   20000              8900
Mapics Inc.                    COM              564910107      121    15800 SH       OTHER                                     15800
Mapinfo Corp.                  COM              565105103      141    10000 SH       SOLE                    10000                 
                                                              2885   205150 SH       OTHER                   75000            130150
McKesson HBOC Inc.             COM              58155Q103      314     4757 SH       OTHER                                      4757
Medicis Pharmaceutical Cl A    COM              584690309     2717    90575 SH       OTHER                    2700             87875
Medtronic Inc.                 COM              585055106     7013    97574 SH       OTHER                    3510             94064
Micrel Inc.                    COM              594793101      576    11500 SH       OTHER                                     11500
Micro Component Tech           COM              59479Q100      262   140000 SH       SOLE                   140000                 
                                                              1263   673400 SH       OTHER                   90000            583400
Microtest Inc                  COM              594941106       24    10000 SH       OTHER                                     10000
Molecular Devices              COM              60851C107    11475   425000 SH       SOLE                   425000                 
                                                             43167  1598775 SH       OTHER                  205500           1393275
Motorola Inc.                  COM              620076109     5535    75565 SH       OTHER                     600             74965
National Data Corp.            COM              635621105     8400   200000 SH       SOLE                   200000                 
                                                             33267   792062 SH       OTHER                   63600            728462
National Instruments           COM              636518102     6457   226550 SH       OTHER                   17500            209050
Netmanage Inc.                 COM              641144100      722   300000 SH       SOLE                   300000                 
                                                              9069  3769451 SH       OTHER                  267110           3502341
Netrix Corp.                   COM              641148101      215    80000 SH       SOLE                    80000                 
                                                               801   298100 SH       OTHER                   80000            218100
Network Equipment Technologies COM              641208103     1698   190000 SH       SOLE                   190000                 
                                                             19552  2187487 SH       OTHER                  185000           2002487
Norstan Inc.                   COM              656535101      925   100000 SH       SOLE                   100000                 
                                                              2115   228700 SH       OTHER                   60000            168700
Nortel Networks Corp.          COM              656569100      311     5000 SH       SOLE                     5000                 
                                                             24113   388142 SH       OTHER                   12900            375242
Novellus Systems Inc           COM              670008101     2773    50300 SH       OTHER                    4000             46300
On Assignment Inc.             COM              682159108     4463   174150 SH       OTHER                   42800            131350
OneWorld Systems Inc.          COM              682917109       32    84850 SH       OTHER                                     84850
Ontrack Data Intl.             COM              683372106      504   130000 SH       SOLE                   130000                 
                                                              1647   425000 SH       OTHER                  100000            325000
PMC-Sierra Inc.                COM              69344F106     4627    65000 SH       SOLE                    65000                 
                                                              9745   136890 SH       OTHER                   37200             99690
Perclose Inc.                  COM              71361C107     1432    46200 SH       OTHER                                     46200
Phoenix Technologies Ltd.      COM              719153108      255    30000 SH       SOLE                    30000                 
                                                              5529   650500 SH       OTHER                   40000            610500
Platinum Software Corp.        COM              72764R105     1991   270000 SH       SOLE                   270000                 
                                                             10087  1367712 SH       OTHER                  172970           1194742
Project Software & Dev         COM              74339P101     6125   250000 SH       SOLE                   250000                 
                                                             13064   533229 SH       OTHER                   54200            479029
Protocol Systems Inc.          COM              74371R106      120    20000 SH       SOLE                    20000                 
                                                              2069   344900 SH       OTHER                    4000            340900
Proxim Inc.                    COM              744284100     3306   115000 SH       SOLE                   115000                 
                                                             44698  1554725 SH       OTHER                  170500           1384225
RF Monolithics Inc.            COM              74955F106     1176   190000 SH       SOLE                   190000                 
                                                              3406   550500 SH       OTHER                   35000            515500
Rational Software Corp.        COM              75409P202    34857  1300000 SH       SOLE                  1300000                 
                                                            132493  4941379 SH       OTHER                  329000           4612379
Remec Inc.                     COM              759543101     1196    57275 SH       OTHER                                     57275
SDL Inc.                       COM              784076101    56265   620000 SH       SOLE                   620000                 
                                                            225837  2488557 SH       OTHER                  236200           2252357
SPSS Inc.                      COM              78462K102     2067   126250 SH       OTHER                    8000            118250
Sanmina Corp.                  COM              800907107      370     5800 SH       OTHER                     600              5200
Semtech Corp.                  COM              816850101     4294   134700 SH       OTHER                   84000             50700
Serologicals Corp.             COM              817523103     5357   395000 SH       SOLE                   395000                 
                                                              6476   477450 SH       OTHER                  117000            360450
Smartflex System Inc.          COM              83169K108      627   170000 SH       OTHER                   75000             95000
Spectrian Corp.                COM              847608106     7050   600000 SH       SOLE                   600000                 
                                                             16810  1430650 SH       OTHER                  166500           1264150
Sprint Corp. Fon Group         COM              852061100      608     6200 SH       OTHER                                      6200
Stac Software Inc.             COM              852323104       65    85000 SH       SOLE                    85000                 
                                                               340   443580 SH       OTHER                   40000            403580
Stanford Telecommunications    COM              854402104    36184  2334465 SH       OTHER                   46000           2288465
Sterigenics Intl. Inc.         COM              85915R105     2293   235150 SH       OTHER                   10000            225150
Steris Corp.                   COM              859152100     2662   100000 SH       SOLE                   100000                 
                                                             18531   696000 SH       OTHER                   13500            682500
Symbol Technologies            COM              871508107     4161    92475 SH       OTHER                    7000             85475
Synopsys Inc.                  COM              871607107     6450   120000 SH       SOLE                   120000                 
                                                             29317   545427 SH       OTHER                   22600            522827
Techne Corp.                   COM              878377100    12127   420000 SH       SOLE                   420000                 
                                                             67446  2335782 SH       OTHER                  226300           2109482
Technology Eighty (80) Inc.    COM              87868P102      147    32601 SH       OTHER                                     32601
Technology Solutions           COM              87872T108     2422   340000 SH       SOLE                   340000                 
                                                             11396  1599475 SH       OTHER                  157000           1442475
Tekelec                        COM              879101103    11827  1617261 SH       OTHER                   80000           1537261
Tellabs Inc.                   COM              879664100     4887    50000 SH       SOLE                    50000                 
                                                            129443  1324229 SH       OTHER                   15200           1309029
Teradyne Inc.                  COM              880770102     9423   172700 SH       OTHER                    1500            171200
Uniphase Corp                  COM              909149106    52860   459150 SH       OTHER                   47500            411650
United Healthcare Corp.        COM              910581107      353     6700 SH       OTHER                                      6700
Unitrode Corp.                 COM              913283107     1221    87200 SH       OTHER                   80000              7200
Vantive Corp.                  COM              922091103     1206   100000 SH       SOLE                   100000                 
                                                              3346   277350 SH       OTHER                  102500            174850
Videoserver Inc.               COM              926918103     3100   400000 SH       SOLE                   400000                 
                                                              5242   676350 SH       OTHER                  185000            491350
Vitesse Semiconductor          COM              928497106    16577   327450 SH       OTHER                   61000            266450
Warner Chilcott ADR            COM              934435207      484    69200 SH       SOLE                    69200                 
                                                              2757   393800 SH       OTHER                   30000            363800
Wells Fargo & Co.              COM              949746101      600    17100 SH       OTHER                                     17100
Western Digital Corp.          COM              958102105     4567   580000 SH       SOLE                   580000                 
                                                             24723  3139466 SH       OTHER                  230500           2908966
Williams Companies             COM              969457100     2074    52506 SH       OTHER                    1200             51306
World Access Inc.              COM              98141A101      650    80000 SH       SOLE                    80000                 
                                                              4244   522391 SH       OTHER                  131895            390496
Xomed Surgical Products        COM              98412V107      981    25000 SH       SOLE                    25000                 
                                                             25498   649625 SH       OTHER                   47250            602375
Zoll Medical Corp.             COM              989922109      144    13100 SH       OTHER                                     13100
Zomax Optical Media            COM              989929104      903    44850 SH       OTHER                                     44850
Zygo Corp.                     COM              989855101     5047   425000 SH       SOLE                   425000                 
                                                             27842  2344550 SH       OTHER                  260900           2083650
</TABLE>


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