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American Capital Management Inc.

CIK 1320168 · latest 13F filed 14 August 2026 · Read the filing on EDGAR

American Capital Management Inc. reported 80 US-listed holdings worth $2.23 billion in its 13F for the quarter ended 30 June 2026, filed 14 August 2026. Its largest: Palo Alto Networks Inc. (8.8%), Fortinet, Inc. (5.0%) and Medpace Holdings, Inc. (5.0%). Against the quarter before, it opened 7 positions, added to 18, trimmed 43 and sold out of 2.

Reported holdings$2.23B+19.8% on Q1 2026
Positions80+5 on Q1 2026
The largest ten43.9%of its reported holdings
Latest 13FQ2 2026filed 14 August 2026
Where the money is
OpenedAdded toTrimmed
PANW8.8%FTNT5.0%MEDP5.0%VRNS4.2%RBC4.2%IDXX3.8%NCNO3.7%AVAV3.1%TECH3.1%SEIC2.9%CVLT2.8%MRCY2.7%NOVT2.6%DT2.6%66 more45.4%

The 14 largest of its 80 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.

Reported holdings, quarter by quarter
Q3 2024: $3.06 billion in 61 positions$3.06BQ3 24Q4 2024: $2.69 billion in 63 positions$2.69BQ4 24Q1 2025: $2.46 billion in 63 positions$2.46BQ1 25Q2 2025: $2.41 billion in 63 positions$2.41BQ2 25Q3 2025: $2.51 billion in 68 positions$2.51BQ3 25Q4 2025: $2.27 billion in 68 positions$2.27BQ4 25Q1 2026: $1.86 billion in 75 positions$1.86BQ1 26Q2 2026: $2.23 billion in 80 positions$2.23BQ2 26

What the fund reported holding at each quarter's end; hover a bar for the number of positions

What it did on the quarter

Opened 7Added 18Held 12Trimmed 43Sold out 2
Opened: 7Added: 18Held: 12Trimmed: 43Sold out: 2

Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held

Opened 7

  1. Mercury Systems Inc. MRCY$59.5 million
  2. iShares Trust IGSB$1.1 million
  3. iShares Trust LQD$949,127
  4. iShares Trust MBB$773,741
  5. iShares Trust HYG$573,625
  6. Vanguard Scottsdale FDS VONG$249,102
  7. Vanguard Growth ETF VUG$246,360

Added to 18

  1. Ncino Inc. NCNO+2.7 million shares · +115%
  2. Dorman Products, Inc. DORM+223,809 shares · +370%
  3. Aaon, Inc. AAON+98,294 shares · +36%
  4. Dynatrace, Inc. DT+278,162 shares · +26%
  5. Badger Meter Inc. BMI+72,402 shares · +39%
  6. VSE Corp. VSEC+44,139 shares · +52%
  7. Esco Technologies Inc. ESE+26,898 shares · +70%
  8. Insulet Corp. PODD+10,180 shares · +53%

and 10 more in the table below

Trimmed 43

  1. LiveRamp Holdings, Inc. RAMP-1.6 million shares · -87%
  2. RBC Bearings Inc. RBC-31,706 shares · -18%
  3. Jack Henry & Associates Inc. JKHY-143,145 shares · -59%
  4. Palo Alto Networks Inc. PANW-51,150 shares · -8%
  5. Fortinet, Inc. FTNT-99,038 shares · -12%
  6. Commvault Systems Inc. CVLT-99,914 shares · -18%
  7. Qualys, Inc. QLYS-76,627 shares · -91%
  8. Resmed Inc. RMD-36,941 shares · -14%

and 35 more in the table below

Sold out of 2

  1. Hologic Inc. HOLX$1.2 million last quarter
  2. Blackbaud Inc. BLKB$499,227 last quarter

What it holds

CompanySharesValueOf its bookChange in shares
Palo Alto Networks Inc. PANW572,934$195.4 million8.76%-51,150
Fortinet, Inc. FTNT729,885$112.1 million5.03%-99,038
Medpace Holdings, Inc. MEDP210,217$111.3 million4.99%-7,730
Varonis Sys Inc. VRNS2,241,704$94.1 million4.22%-86,675
RBC Bearings Inc. RBC143,737$92.6 million4.15%-31,706
IDEXX Laboratories Inc. IDXX162,110$85.3 million3.83%-3,946
Ncino Inc. NCNO5,107,539$83.5 million3.74%+2,732,143
AeroVironment Inc. AVAV422,518$69.7 million3.13%-13,849
Bio-Techne Corp. TECH973,789$68.8 million3.08%-47,339
SEI Investments Co. SEIC745,323$65.4 million2.93%-23,292
Commvault Systems Inc. CVLT440,931$62.5 million2.80%-99,914
Mercury Systems Inc. MRCY486,064$59.5 million2.67%new
Novanta Inc. NOVT362,271$58.8 million2.64%-11,603
Dynatrace, Inc. DT1,332,429$58.5 million2.62%+278,162
Cognyte Software Ltd CGNT6,183,567$54.3 million2.43%-312,643
Globus Medical Inc. GMED653,072$51.6 million2.31%-9,977
Kratos Defense & Security Solutions, Inc. KTOS1,029,653$51.3 million2.30%-42,255
Manhattan Associates Inc. MANH364,696$50.8 million2.28%+6,889
Proto Labs Inc. PRLB619,845$50.5 million2.27%-7,860
Repligen Corp. RGEN361,055$49.3 million2.21%+3,335
Aaon, Inc. AAON375,178$47.6 million2.13%+98,294
Resmed Inc. RMD228,458$44.5 million2.00%-36,941
Guidewire Software, Inc. GWRE328,983$40.5 million1.82%+4,787
Dorman Products, Inc. DORM284,244$38.8 million1.74%+223,809
Badger Meter Inc. BMI258,243$38.3 million1.72%+72,402
Veeva Systems Inc. VEEV196,848$34.9 million1.57%-9,370
Neogenomics Inc. NEO2,237,707$32.6 million1.46%-13,171
Tyler Technologies Inc. TYL101,210$29.6 million1.33%+2,268
VSE Corp. VSEC128,934$29.5 million1.32%+44,139
Cerence Inc. CRNC2,407,398$27.3 million1.22%-111,891
Azenta, Inc. AZTA1,061,490$27.1 million1.21%-234,534
Staar Surgical Co. STAA846,659$24.3 million1.09%-31,376
Tradeweb Mkts Inc. TW238,244$23.7 million1.06%-11,003
IPG Photonics Corp. IPGP197,882$23.2 million1.04%-11,036
Esco Technologies Inc. ESE65,312$22.9 million1.03%+26,898
Costar Group, Inc. CSGP725,143$20.5 million0.92%-100,153
Cognex Corp. CGNX251,103$18.2 million0.82%-20,430
Morningstar, Inc. MORN114,947$17.9 million0.80%+6,607
Dexcom Inc. DXCM235,152$15.8 million0.71%-16,323
Jack Henry & Associates Inc. JKHY99,930$13.8 million0.62%-143,145
Gentex Corp. GNTX531,229$13.4 million0.60%-3,127
Nice Ltd NICE136,644$12.4 million0.56%-20,949
Factset Research Systems Inc. FDS40,986$9.4 million0.42%-2,022
LiveRamp Holdings, Inc. RAMP246,042$9.3 million0.42%-1,617,547
Synopsys Inc. SNPS19,196$8.6 million0.38%-257
Monolithic Power Systems, Inc. MPWR5,897$8.2 million0.37%-423
O'Reilly Automotive, Inc. ORLY86,235$7.9 million0.36%no change
Merit Medical Systems Inc. MMSI104,967$7.3 million0.33%-10,808
Graham Corp. GHM52,050$6.4 million0.29%+530
Haemonetics Corp. HAE66,915$5.0 million0.23%no change
Kornit Digital Ltd KRNT282,976$4.6 million0.21%no change
Insulet Corp. PODD29,455$4.5 million0.20%+10,180
Quaker Chemical Corp. KWR27,279$4.3 million0.19%-11,363
SPS Commerce Inc. SPSC73,958$4.2 million0.19%-12,118
Alarm.com Holdings, Inc. ALRM68,544$3.2 million0.14%-1,260
Balchem Corp. BCPC16,067$2.7 million0.12%-4,035
Franklin Electric Co. Inc. FELE22,000$2.4 million0.11%no change
iShares Trust SHY25,524$2.1 million0.09%-966
SPDR S&P 500 SPY2,425$1.8 million0.08%no change
Macom Technology Solutions Holdings, Inc. MTSI3,626$1.4 million0.06%-303
Descartes Sys Group Inc. DSGX19,605$1.4 million0.06%+467
Jfrog Ltd FROG13,479$1.2 million0.05%+500
Neogen Corp. NEOG133,457$1.2 million0.05%-200
iShares Trust IGSB21,496$1.1 million0.05%new
Qualys, Inc. QLYS7,125$979,6160.04%-76,627
Trimble Inc. TRMB19,000$972,4200.04%no change
iShares Trust LQD8,702$949,1270.04%new
Novanta Inc. NOVTU14,035$945,9590.04%+3,935
ACI Worldwide, Inc. ACIW18,410$925,8390.04%no change
Zebra Technologies Corp. ZBRA3,300$868,7580.04%no change
Apple Inc. AAPL2,800$810,2080.04%no change
iShares Trust MBB8,186$773,7410.03%new
iShares Trust HYG7,173$573,6250.03%new
ICON plc ICLR2,823$490,3830.02%-447
Illumina, Inc. ILMN2,220$390,3430.02%no change
Merck & Co., Inc. MRK2,100$269,8500.01%no change
Vanguard Scottsdale FDS VONG1,949$249,1020.01%new
SPDR S&P MidCap 400 ETF MDY353$248,2790.01%no change
Vanguard Growth ETF VUG2,860$246,3600.01%new
iShares Trust ACWX3,220$245,0740.01%+180
Every US-listed position in the fund's 13F for the quarter ended 30 June 2026, by the value it reported.
Read moreChange is shares against its 13F for the quarter before; the 2 it sold out of are in the box above.