KOPP INVESTMENT ADVISORS INC
13F-HR, 2000-05-10
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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:             03/31/00

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- 03099

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:       John P. Flakne
Title:         Chief Financial Officer
Phone:       (612) 841-0400

Signature, Place and Date of Signing:

                    Edina, MN              5/10/00


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:        212

Form 13F Information Table Value Total:  $         6,903,009
                                   (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    64000  1150566 SH       OTHER                   14250           1136316
ADC Telecommunications         COM              000886101    64650  1200000 SH       SOLE                  1200000
                                                            391555  7267839 SH       OTHER                  483800           6784039
AT&T Co.                       COM              001957109      759    13472 SH       OTHER                     600             12872
AVT Corporation                COM              002420107     9450   800000 SH       SOLE                   800000
                                                             39521  3345586 SH       OTHER                  271000           3074586
Adaptive Broadband Corp.       COM              00650M104      535    10000 SH       OTHER                                     10000
Adept Tech Inc.                COM              006854103     9360   780000 SH       SOLE                   780000
                                                             18569  1547420 SH       OTHER                  206000           1341420
Advanced Fibre Communications  COM              00754A105    20687   330000 SH       SOLE                   330000
                                                            135374  2159487 SH       OTHER                   61900           2097587
Aeroflex Inc.                  COM              007768104     3698    74700 SH       OTHER                                     74700
Aetrium Inc.                   COM              00817R103     7428   742781 SH       OTHER                   47000            695781
Alcatel ADR                    COM              013904305     1406    32613 SH       OTHER                                     32613
Anadigics Inc.                 COM              032515108    36135   547500 SH       SOLE                   547500
                                                            180243  2730956 SH       OTHER                  287000           2443956
Analog Devices Inc.            COM              032654105    31694   393710 SH       OTHER                    3000            390710
Ansys Inc.                     COM              03662Q105     3225   300000 SH       SOLE                   300000
                                                              2091   194500 SH       OTHER                  140000             54500
Applied Microsystems           COM              037935103     7187   460000 SH       SOLE                   460000
                                                              5527   353700 SH       OTHER                  100000            253700
Applied Science & Tech         COM              038236105     7109   235000 SH       SOLE                   235000
                                                             31981  1057236 SH       OTHER                  122500            934736
Artesyn Technologies           COM              043127109     7386   390000 SH       SOLE                   390000
                                                             32934  1739063 SH       OTHER                  185700           1553363
Arthrocare Corp.               COM              043136100    13225   143750 SH       OTHER                    1200            142550
Artisan Components Inc.        COM              042923102     5887   300000 SH       SOLE                   300000
                                                              7671   390900 SH       OTHER                   15000            375900
Aspect Communications          COM              04523Q102      778    21000 SH       OTHER                                     21000
Asyst Technologies Inc.        COM              04648X107     4004    68450 SH       OTHER                                     68450
BMC Software                   COM              055921100     3536    71612 SH       OTHER                   50000             21612
Biosite Diagnostic Inc.        COM              090945106    10237   420000 SH       SOLE                   420000
                                                             52775  2165128 SH       OTHER                  167500           1997628
Brooks Automation Inc.         COM              11434A100    12500   200000 SH       SOLE                   200000
                                                             64194  1027107 SH       OTHER                  220400            806707
Cabletron Systems Inc.         COM              126920107    16920   576000 SH       OTHER                    5000            571000
Centigram Comms                COM              152317103     4750   250000 SH       SOLE                   250000
                                                             17680   930550 SH       OTHER                   70000            860550
Cholestech Corp.               COM              170393102     3472   410000 SH       SOLE                   410000
                                                             11375  1343146 SH       OTHER                  220000           1123146
Cisco System Inc.              COM              17275R102     7731   100000 SH       SOLE                   100000
                                                             31000   400964 SH       OTHER                  121396            279568
Cognos Inc. (Canada)           COM              19244C109     6256   100000 SH       SOLE                   100000
                                                             82408  1317207 SH       OTHER                  125500           1191707
Computer Network Tech Corp.    COM              204925101    18025  1030000 SH       SOLE                  1030000
                                                             63728  3641578 SH       OTHER                  344000           3297578
Concord Communications Inc.    COM              206186108    25829   726300 SH       OTHER                  100000            626300
Conductus Inc.                 COM              206784100      500    15400 SH       OTHER                                     15400
Conexant Systems Inc.          COM              207142100     5680    80000 SH       SOLE                    80000
                                                             47393   667510 SH       OTHER                  156000            511510
Credence Systems Corp          COM              225302108    15528   124100 SH       OTHER                   40000             84100
Cyberoptics Corp.              COM              232517102     7639   180000 SH       SOLE                   180000
                                                             41247   971925 SH       OTHER                  154500            817425
Cylink Corp.                   COM              232565101    41905  2890000 SH       SOLE                  2890000
                                                             63686  4392145 SH       OTHER                  565000           3827145
Dallas Semiconductor           COM              235204104      328     9000 SH       OTHER                                      9000
Davox Corp.                    COM              239208101    12706   475000 SH       SOLE                   475000
                                                             31321  1170868 SH       OTHER                  275000            895868
Digital Microwave              COM              253859102   103996  3070000 SH       SOLE                  3070000
                                                            279219  8242627 SH       OTHER                  814500           7428127
Documentum Inc.                COM              256159104     7800   100000 SH       SOLE                   100000
                                                             43475   557370 SH       OTHER                   51000            506370
ELoyalty Corp.                 COM              290151109     6446   270000 SH       SOLE                   270000
                                                             32218  1349433 SH       OTHER                  175750           1173683
EMS Technologies Inc.          COM              26873N108     4700   235000 SH       SOLE                   235000
                                                             15336   766790 SH       OTHER                   17000            749790
Eclipse Surgical Tech          COM              278849104     1599   215000 SH       SOLE                   215000
                                                              3312   445300 SH       OTHER                   38000            407300
Emcore Corp.                   COM              290846104    11506   100000 SH       SOLE                   100000
                                                             17674   153600 SH       OTHER                   15000            138600
Emulex Corp.                   COM              292475209     2182    20000 SH       SOLE                    20000
                                                                44      400 SH       OTHER                                       400
Epicor Software Corp.          COM              29426L108     3825   450000 SH       SOLE                   450000
                                                             15228  1791548 SH       OTHER                  160500           1631048
Ericsson L M Tel Co. ADR Cl. B COM              294821400    20124   214511 SH       OTHER                    2000            212511
Ezenia Inc.                    COM              302311105     4200   400000 SH       SOLE                   400000
                                                              5611   534401 SH       OTHER                  133500            400901
Gene Logic Inc.                COM              368689105    14722   350000 SH       SOLE                   350000
                                                             33666   800360 SH       OTHER                   55700            744660
Gensym Corp.                   COM              37245R107      800    85200 SH       OTHER                   75000             10200
Glenayre Technologies Inc.     COM              377899109      176    10000 SH       OTHER                                     10000
HNC Software Inc.              COM              40425P107     5765    80000 SH       SOLE                    80000
                                                             22237   308580 SH       OTHER                   61400            247180
Hyperion Solutions             COM              44914M104     5525   170000 SH       SOLE                   170000
                                                              1248    38400 SH       OTHER                                     38400
Image Premastering Services Lt COM              000000000       15    12500 SH       OTHER                                     12500
Imanage Inc.                   COM              45245Y105      876    51700 SH       OTHER                                     51700
Imclone Systems Inc.           COM              45245W109    13837   180000 SH       SOLE                   180000
                                                             26603   346050 SH       OTHER                   40000            306050
Infinium Software Inc.         COM              45662Y109      464    90000 SH       SOLE                    90000
                                                               356    69100 SH       OTHER                   20000             49100
Innerdyne Inc.                 COM              45764D102     3810   622000 SH       OTHER                                    622000
Input Software Inc.            COM              457654101      603    25000 SH       SOLE                    25000
                                                              9049   375100 SH       OTHER                   32500            342600
Inso Corp.                     COM              457674109     2430   180000 SH       SOLE                   180000
                                                              7694   569900 SH       OTHER                   33500            536400
Integrated Measurement System  COM              457923100     1899    93500 SH       OTHER                                     93500
Intel Corp.                    COM              458140100    16859   127779 SH       OTHER                                    127779
Inter-Tel Inc.                 COM              458372109    10950   400000 SH       SOLE                   400000
                                                             29401  1074017 SH       OTHER                  110000            964017
Interim Services Inc.          COM              45868P100    10324   556175 SH       OTHER                   85000            471175
Internap Network Svcs          COM              45885A102      230     5000 SH       OTHER                                      5000
Interpore Intl.                COM              46062W107     1675   200000 SH       SOLE                   200000
                                                              4899   584900 SH       OTHER                                    584900
Intl. Business Machines        COM              459200101     4150    35170 SH       OTHER                     800             34370
Itron Inc.                     COM              465741106     4093   590000 SH       SOLE                   590000
                                                             15322  2208352 SH       OTHER                  325500           1882852
JDS Uniphase Corp.             COM              46612J101   232494  1928404 SH       OTHER                  115000           1813404
KLA-Tencor Corp.               COM              482480100     5614    66630 SH       OTHER                                     66630
Lam Research Corp              COM              512807108     7994   177400 SH       OTHER                  120000             57400
Larscom Inc.                   COM              51729Y108     4791   730000 SH       SOLE                   730000
                                                             11584  1765000 SH       OTHER                  135000           1630000
Lattice Semiconductor          COM              518415104    33096   488946 SH       OTHER                                    488946
Lecroy Corp.                   COM              52324W109    11576   735000 SH       SOLE                   735000
                                                             18138  1151650 SH       OTHER                  171000            980650
Lightbridge Inc.               COM              532226107    14492   620000 SH       SOLE                   620000
                                                             42729  1828000 SH       OTHER                  257500           1570500
Lucent Technologies            COM              549463107      354     5772 SH       OTHER                                      5772
MMC Networks Inc.              COM              55308N102     3300   100000 SH       SOLE                   100000
                                                             44131  1337318 SH       OTHER                   75500           1261818
Macrovision Corp.              COM              555904101    75790   880000 SH       SOLE                   880000
                                                            232525  2699852 SH       OTHER                  484800           2215052
Manugistics Group Inc.         COM              565011103      398     7800 SH       OTHER                                      7800
Mapinfo Corp.                  COM              565105103      585    15000 SH       SOLE                    15000
                                                             18237   467625 SH       OTHER                  185000            282625
Medicis Pharmaceutical Cl A    COM              584690309    38843   971075 SH       OTHER                   76000            895075
Medtronic Inc.                 COM              585055106    55570  1080333 SH       OTHER                   44092           1036241
Micrel Inc.                    COM              594793101     1608    16750 SH       OTHER                                     16750
Micro Component Tech           COM              59479Q100     1277   140000 SH       SOLE                   140000
                                                              7138   782274 SH       OTHER                  110000            672274
Microtest Inc                  COM              594941106      147    10000 SH       OTHER                                     10000
Molecular Devices              COM              60851C107    32619   425000 SH       SOLE                   425000
                                                            102781  1339163 SH       OTHER                  178500           1160663
Motorola Inc.                  COM              620076109    18540   126987 SH       OTHER                    2300            124687
National Instruments           COM              636518102    11199   238587 SH       OTHER                    3750            234837
Natl Computer Systems          COM              635519101    12180   240000 SH       SOLE                   240000
                                                            140007  2758767 SH       OTHER                  308500           2450267
Neose Techs Inc.               COM              640522108     9656   300000 SH       SOLE                   300000
                                                              8605   267350 SH       OTHER                                    267350
Netmanage Inc.                 COM              641144100     3054   540000 SH       SOLE                   540000
                                                             22447  3968668 SH       OTHER                  280000           3688668
Netrix Corp.                   COM              641148101     2423   120000 SH       SOLE                   120000
                                                              8452   418650 SH       OTHER                   50000            368650
Netsilicon Inc.                COM              64115X105     4089   189100 SH       OTHER                                    189100
Network Equipment Technologies COM              641208103     1100   110000 SH       SOLE                   110000
                                                              5462   546225 SH       OTHER                   20000            526225
Norstan Inc.                   COM              656535101     1235   190000 SH       SOLE                   190000
                                                              1156   177900 SH       OTHER                  120000             57900
Nortel Network (New)           COM              656568102     1261    10000 SH       SOLE                    10000
                                                             69290   549375 SH       OTHER                    2500            546875
Novellus Systems Inc           COM              670008101     5394    96100 SH       OTHER                                     96100
On Assignment Inc.             COM              682159108    15336   340800 SH       OTHER                   53800            287000
PMC-Sierra Inc.                COM              69344F106    40738   200000 SH       SOLE                   200000
                                                             50608   248460 SH       OTHER                   38500            209960
Peoplesoft Inc.                COM              712713106     2362   118100 SH       OTHER                   76500             41600
Pharmaprint                    COM              716950100       18    10100 SH       OTHER                                     10100
Power Integrations Inc.        COM              739276103    24328   973136 SH       OTHER                   68000            905136
Project Software & Dev         COM              74339P101    33335   590000 SH       SOLE                   590000
                                                             61687  1091810 SH       OTHER                  269500            822310
Protocol Systems Inc.          COM              74371R106      195    20000 SH       SOLE                    20000
                                                              4172   427925 SH       OTHER                   54000            373925
Proxim Inc.                    COM              744284100    11370    95000 SH       SOLE                    95000
                                                            118911   993508 SH       OTHER                  130100            863408
RF Monolithics Inc.            COM              74955F106     1800   120000 SH       SOLE                   120000
                                                              4875   325000 SH       OTHER                   30000            295000
Rational Software Corp.        COM              75409P202    94860  1240000 SH       SOLE                  1240000
                                                            328592  4295325 SH       OTHER                  320000           3975325
S3 Inc.                        COM              784849101     3360   160000 SH       SOLE                   160000
                                                             17944   854500 SH       OTHER                  140000            714500
SDL Inc.                       COM              784076101   170300   800000 SH       SOLE                   800000
                                                            817755  3841482 SH       OTHER                  311500           3529982
Sanmina Corp.                  COM              800907107      635     9400 SH       OTHER                                      9400
Semtech Corp.                  COM              816850101    12351   192800 SH       OTHER                  139000             53800
Serena Software Inc.           COM              817492101    46512  1459212 SH       OTHER                   82500           1376712
Spectrian Corp.                COM              847608106    16819   747500 SH       SOLE                   747500
                                                             46844  2081950 SH       OTHER                  262000           1819950
Sprint Corp. Fon Group         COM              852061100      576     9100 SH       OTHER                                      9100
Stac Software Inc.             COM              852323203      997   110000 SH       SOLE                   110000
                                                              5523   609450 SH       OTHER                   25000            584450
Steris Corp.                   COM              859152100     5764   562350 SH       OTHER                    3000            559350
Sycamore Networks              COM              871206108     2212    17150 SH       OTHER                                     17150
Symbol Technologies            COM              871508107    10386   126171 SH       OTHER                   10500            115671
Synopsys Inc.                  COM              871607107     4875   100000 SH       SOLE                   100000
                                                             32598   668671 SH       OTHER                   16100            652571
Techne Corp.                   COM              878377100    28980   420000 SH       SOLE                   420000
                                                            132829  1925053 SH       OTHER                  202500           1722553
Technology Solutions           COM              87872T108     2555   280000 SH       SOLE                   280000
                                                             10266  1125028 SH       OTHER                  172000            953028
Tekelec                        COM              879101103    12994   350000 SH       SOLE                   350000
                                                             88794  2391767 SH       OTHER                  273000           2118767
Tellabs Inc.                   COM              879664100     6298   100000 SH       SOLE                   100000
                                                            146444  2325091 SH       OTHER                   25400           2299691
Teradyne Inc.                  COM              880770102    17655   215300 SH       OTHER                    2500            212800
Tut Systems Inc.               COM              901103101     4021    67500 SH       SOLE                    67500
                                                              5745    96450 SH       OTHER                    1200             95250
US Oncology Inc.               COM              90338W103      651   144737 SH       OTHER                                    144737
Valuevision Intl. Cl A         COM              92047K107     8275   200000 SH       SOLE                   200000
                                                             80047  1934659 SH       OTHER                  123600           1811059
Veeco Instruments              COM              922417100      692     9350 SH       OTHER                                      9350
Ventana Medical Systems        COM              92276H106    14684   340000 SH       SOLE                   340000
                                                             52701  1220273 SH       OTHER                  137200           1083073
Vitesse Semiconductor          COM              928497106    19250   200000 SH       SOLE                   200000
                                                            121942  1266925 SH       OTHER                   74500           1192425
Warner Chilcott ADR            COM              934435207     2822   175000 SH       SOLE                   175000
                                                              7334   454800 SH       OTHER                   90000            364800
Wells Fargo & Co.              COM              949746101      382     9370 SH       OTHER                                      9370
Williams Companies             COM              969457100     1654    37650 SH       OTHER                    1200             36450
World Access Inc.              COM              98141A101     1753    91668 SH       OTHER                                     91668
Zoll Medical Corp.             COM              989922109     5125   100000 SH       SOLE                   100000
                                                              6814   132950 SH       OTHER                   80000             52950
Zygo Corp.                     COM              989855101    32086   665000 SH       SOLE                   665000
                                                            105619  2188989 SH       OTHER                  317500           1871489
</TABLE>


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