AMERICAN CAPITAL MANAGEMENT INC - Stock Holdings in 13F Filings (SEC)
Updated on March 15, 2026.
Based on 13F Filings filed with the SEC on February 17, 2026, for the 2025 Q4 period, AMERICAN CAPITAL MANAGEMENT INC held in its portfolio 68 assets valued at $2,266,464,200 (i.e. $2.27B).
The most valuable assets in the portfolio included: AEROVIRONMENT INC ($156.68M), CYBERARK SOFTWARE LTD ($152.56M), and MEDPACE HOLDINGS INC ($126.02M).
The chart below shows the top 10 valuable assets, and the table below shows the top 68 valuable assets.
You can see similar for other investment managers.
Related Topics: SEC Topic List.
Data Source: SEC.
AMERICAN CAPITAL MANAGEMENT INC - Stock Holdings in 13F Filings (SEC)
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| Name of Issuer | No. of Shares | Value ($) | Class |
|---|---|---|---|
| AEROVIRONMENT INC | 647710 | 156674572 | COM |
| CYBERARK SOFTWARE LTD | 342015 | 152559211 | COM |
| MEDPACE HOLDINGS INC | 224374 | 126019657 | COM |
| KRATOS DEFENSE & SECURITY SOLUTIONS INC | 1634493 | 124074364 | COM |
| IDEXX LABORATORIES INC | 181745 | 122955945 | COM |
| RBC BEARINGS INC | 214117 | 96016486 | COM |
| RESMED INC | 306956 | 73936492 | COM |
| FORTINET INC | 925753 | 73514046 | COM |
| COMMVAULT SYSTEMS INC | 533806 | 66917920 | COM |
| GUIDEWIRE SOFTWARE INC | 325432 | 65415086 | COM |
| MANHATTAN ASSOCIATES INC | 366860 | 63580507 | COM |
| COGNYTE SOFTWARE LTD | 6708394 | 63058904 | COM |
| COSTAR GROUP INC | 825340 | 55495862 | COM |
| BIO-TECHNE CORP | 941149 | 55348973 | COM |
| LIVE RAMP HOLDINGS INC | 1877756 | 55149694 | COM |
| REPLIGEN CORP | 335115 | 54911944 | COM |
| QUALYS INC | 404119 | 53707415 | COM |
| NCINO INC | 2027809 | 51993023 | COM |
| VEEVA SYSTEMS INC | 222425 | 49651933 | COM |
| VARONIS SYSTEMS INC | 1509039 | 49496479 | COM |
| SEI INVESTMENTS CO | 574819 | 47146654 | COM |
| JACK HENRY & ASSOCIATES INC | 251337 | 45863976 | COM |
| NOVANTA INC | 381866 | 45438235 | COM |
| GLOBUS MEDICAL INC | 486212 | 42451170 | COM |
| FACTSET RESEARCH SYSTEMS INC | 134951 | 39161431 | COM |
| AZENTA INC | 1021436 | 33972961 | COM |
| NICE LTD | 291494 | 32950482 | COM |
| PROTO LABS INC | 631311 | 31938023 | COM |
| CERENCE INC | 2655131 | 28383350 | COM |
| TRADEWEB MARKETS INC | 258715 | 27822211 | COM |
| SPS COMMERCE INC | 306786 | 27343836 | COM |
| NEOGENOMICS INC | 2324366 | 27334544 | COM |
| MORNINGSTAR INC | 113064 | 24569938 | COM |
| AAON INC | 271737 | 20719946 | COM |
| STAAR SURGICAL CO | 739536 | 17075886 | COM |
| IPG PHOTONICS CORP | 235554 | 16865666 | COM |
| DEXCOM INC | 248774 | 16511130 | COM |
| GENTEX CORP | 579892 | 13494087 | COM |
| COGNEX CORP | 364373 | 13110141 | COM |
| TYLER TECHNOLOGIES INC | 22039 | 10004604 | COM |
| NEOGEN CORP | 1397898 | 9771307 | COM |
| SYNOPSYS INC | 20436 | 9599198 | COM |
| MERIT MEDICAL SYSTEMS INC | 93083 | 8204336 | COM |
| O'REILLY AUTOMOTIVE INC | 86235 | 7865494 | COM |
| HAEMONETICS CORP | 74415 | 5964362 | COM |
| ISHARES TRUST | 78709 | 5898452 | COM |
| MONOLITHIC POWER SYSTEMS INC | 6488 | 5880464 | COM |
| INSULET CORP | 18890 | 5369294 | COM |
| ICON PLC | 23732 | 4324445 | COM |
| KORNIT DIGITAL LTD | 284628 | 4092951 | COM |
| ALARM.COM HOLDINGS INC | 73687 | 3759511 | COM |
| Quaker Houghton | 26146 | 3590107 | COM |
| GRAHAM CORP | 46803 | 3006157 | COM |
| DORMAN PRODUCTS INC | 20407 | 2513938 | COM |
| FRANKLIN ELECTRIC CO INC | 22000 | 2101660 | COM |
| SPDR S&P 500 ETF TRUST | 2535 | 1728667 | COM |
| TRIMBLE INC | 19000 | 1488650 | COM |
| DESCARTES SYSTEMS GROUP INC (THE) | 16949 | 1485749 | COM |
| VSE CORP | 7523 | 1299749 | COM |
| HOLOGIC INC | 16280 | 1212697 | COM |
| ACI WORLDWIDE INC | 18410 | 880182 | COM |
| BLACKBAUD INC | 12930 | 818728 | COM |
| ZEBRA TECHNOLOGIES CORP | 3300 | 801306 | COM |
| APPLE INC | 2800 | 761208 | COM |
| JFROG LTD | 10945 | 683625 | COM |
| ILLUMINA INC | 2220 | 291175 | COM |
| MERCK & COMPANY INC | 2100 | 221046 | COM |
| SPDR S&P MIDCAP 400 ETF TRUST | 353 | 212958 | COM |