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AMERICAN CAPITAL MANAGEMENT INC

An institutional investment manager in NEW YORK, NY. Its Form 13F for the quarter ended Jun 30, 2026, filed Aug 14, 2026. SEC CIK 1320168.

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Holdings: 80 positions

The filing on sec.gov

As filed, largest first. Reported value is what the manager stated for each position at the quarter end, in US dollars; it is filing data, not a price. Weight is the position's share of the total reported value. Changes compare with the 13F for the quarter ended 2026-03-31.

IssuerClassCUSIPReported value$mWeightSharesPut or callChange on the quarter before
Palo Alto Networks IncPANWCOM6974351051958.8%572,934Reduced−51,150
Fortinet IncFTNTCOM34959E1091125.0%729,885Reduced−99,038
Medpace Holdings IncMEDPCOM58506Q1091115.0%210,217Reduced−7,730
Varonis Systems IncVRNSCOM92228010294.14.2%2,241,704Reduced−86,675
RBC Bearings IncRBCCOM75524B10492.64.2%143,737Reduced−31,706
Idexx Laboratories IncIDXXCOM45168D10485.33.8%162,110Reduced−3,946
Ncino IncNCNOCOM63947X10183.53.7%5,107,539Added+2,732,143
Aerovironment IncAVAVCOM00807310869.73.1%422,518Reduced−13,849
Bio-Techne CorpTECHCOM09073M10468.83.1%973,789Reduced−47,339
SEI Investments CompanySEICCOM78411710365.42.9%745,323Reduced−23,292
Commvault Systems IncCVLTCOM20416610262.52.8%440,931Reduced−99,914
Mercury Systems IncMRCYCOM58937810859.52.7%486,064New+486,064
Novanta IncNOVTCOM67000B10458.82.6%362,271Reduced−11,603
Dynatrace IncDTCOM26815010958.52.6%1,332,429Added+278,162
Cognyte Software LtdCOMM2513310554.32.4%6,183,567Reduced−312,643
Globus Medical IncGMEDCOM37957720851.62.3%653,072Reduced−9,977
Kratos Defense & Security Solutions IncKTOSCOM50077B20751.32.3%1,029,653Reduced−42,255
Manhattan Associates IncMANHCOM56275010950.82.3%364,696Added+6,889
Proto Labs IncPRLBCOM74371310950.52.3%619,845Reduced−7,860
Repligen CorpRGENCOM75991610949.32.2%361,055Added+3,335
Aaon IncAAONCOM00036020647.62.1%375,178Added+98,294
Resmed IncRMDCOM76115210744.52.0%228,458Reduced−36,941
Guidewire Software IncGWRECOM40171V10040.51.8%328,983Added+4,787
Dorman Products IncDORMCOM25827810038.81.7%284,244Added+223,809
Badger Meter IncBMICOM05652510838.31.7%258,243Added+72,402
Veeva Systems IncVEEVCOM92247510834.91.6%196,848Reduced−9,370
Neogenomics IncNEOCOM64049M20932.61.5%2,237,707Reduced−13,171
Tyler Technologies IncTYLCOM90225210529.61.3%101,210Added+2,268
VSE CorpVSECCOM91828410029.51.3%128,934Added+44,139
Cerence IncCRNCCOM15672710927.31.2%2,407,398Reduced−111,891
Azenta IncAZTACOM11434010227.11.2%1,061,490Reduced−234,534
Staar Surgical CompanySTAACOM85231230524.31.1%846,659Reduced−31,376
Tradeweb Markets IncTWCOM89267210623.71.1%238,244Reduced−11,003
IPG Photonics CorpIPGPCOM44980X10923.21.0%197,882Reduced−11,036
Esco Technologies IncESECOM29631510422.91.0%65,312Added+26,898
Costar Group IncCSGPCOM22160N10920.50.9%725,143Reduced−100,153
Cognex CorpCGNXCOM19242210318.20.8%251,103Reduced−20,430
Morningstar IncMORNCOM61770010917.90.8%114,947Added+6,607
Dexcom IncDXCMCOM25213110715.80.7%235,152Reduced−16,323
Jack Henry & Associates IncJKHYCOM42628110113.80.6%99,930Reduced−143,145
Gentex CorpGNTXCOM37190110913.40.6%531,229Reduced−3,127
Nice LtdNICECOM65365610812.40.6%136,644Reduced−20,949
Factset Research Systems IncFDSCOM3030751059.40.4%40,986Reduced−2,022
Live Ramp Holdings IncRAMPCOM53815P1089.30.4%246,042Reduced−1,617,547
Synopsys IncSNPSCOM8716071078.60.4%19,196Reduced−257
Monolithic Power Systems IncMPWRCOM6098391058.20.4%5,897Reduced−423
O'Reilly Automotive IncORLYCOM67103H1077.90.4%86,235Unchanged
Merit Medical Systems IncMMSICOM5898891047.30.3%104,967Reduced−10,808
Graham CorpGHMCOM3845561066.40.3%52,050Added+530
Haemonetics CorpHAECOM4050241005.00.2%66,915Unchanged
Kornit Digital LtdCOMM6372Q1134.60.2%282,976Unchanged
Insulet CorpPODDCOM45784P1014.50.2%29,455Added+10,180
Quaker Chemical CorpKWRCOM7473161074.30.2%27,279Reduced−11,363
SPS Commerce IncSPSCCOM78463M1074.20.2%73,958Reduced−12,118
Alarm.Com Holdings IncALRMCOM0116421053.20.1%68,544Reduced−1,260
Balchem CorpBCPCCOM0576652002.70.1%16,067Reduced−4,035
Franklin Electric Co IncFELECOM3535141022.40.1%22,000Unchanged
Ishares TrustCOM4642874572.1<0.1%25,524Reduced−966
SPDR S&P 500 ETF TrustSPYCOM78462F1031.8<0.1%2,425Unchanged
Macom Technology Solutions Holdings IncMTSICOM55405Y1001.4<0.1%3,626Reduced−303
Descartes Systems Group Inc (The)DSGXCOM2499061081.4<0.1%19,605Added+467
Jfrog LtdCOMM6191J1001.2<0.1%13,479Added+500
Neogen CorpNEOGCOM6404911061.2<0.1%133,457Reduced−200
Ishares TrustCOM4642886461.1<0.1%21,496New+21,496
Qualys IncQLYSCOM74758T3031.0<0.1%7,125Reduced−76,627
Trimble IncTRMBCOM8962391001.0<0.1%19,000Unchanged
Ishares TrustCOM4642872420.9<0.1%8,702New+8,702
Novanta IncCONV PR67000B2030.9<0.1%14,035Added+3,935
ACI Worldwide IncACIWCOM0044981010.9<0.1%18,410Unchanged
Zebra Technologies CorpZBRACOM9892071050.9<0.1%3,300Unchanged
Apple IncAAPLCOM0378331000.8<0.1%2,800Unchanged
Ishares TrustCOM4642885880.8<0.1%8,186New+8,186
Ishares TrustCOM4642885130.6<0.1%7,173New+7,173
Icon plcCOMG4705A1000.5<0.1%2,823Reduced−447
Illumina IncILMNCOM4523271090.4<0.1%2,220Unchanged
Merck & Company IncMRKCOM58933Y1050.3<0.1%2,100Unchanged
Vanguard Scottsdale FundsCOM92206C6800.2<0.1%1,949New+1,949
SPDR S&P Midcap 400 ETF TrustMDYCOM78467Y1070.2<0.1%353Unchanged
Vanguard Index FundsCOM9229087360.2<0.1%2,860New+2,860
Ishares TrustCOM4642882400.2<0.1%3,220Added+180

Sold out: 2 positions

Held at the end of the quarter before and not reported this quarter.

IssuerClassCUSIPReported value$WeightSharesPut or callChange on the quarter before
Blackbaud IncBLKBCOM09227Q1000.00.0%0Sold out−12,930
Hologic IncCOM4364401010.00.0%0Sold out−16,280

Source: SEC EDGAR, Form 13F-HR, accession 0001104659-26-097334 (on sec.gov). Last ingested by Listed: Oct 22, 2026, 05:26 ET. Listed shows no prices and gives no investment advice.