American Capital Management Inc.
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), American Capital Management Inc. reported 79 stock positions worth $2.2 billion. Its top holding was Palo Alto Networks (PANW) at 8.8% of the portfolio, followed by Fortinet (FTNT, 5.0%) and Medpace (MEDP, 5.0%). Compared with Q1 2026, it opened 7 new positions, sold out of 2, added to 17 and reduced 43. The biggest buy was a new position in Mercury Systems (MRCY) and the biggest sale Liveramp (RAMP, shares −87%).
- Most Recent 13F
- Q2 2026
- Location
- NEW YORK, NY
- CIK
- 0001320168
- Portfolio Value
- $2.2B (Q2 2026)
- SEC Filing
- 0001104659-26-097334 ↗ filed Aug 14, 2026
Holdings Value
Holdings 79 stocks · $2.2B
| PANW Palo Alto Networks Inc. | 8.76% | 572,934 | $195.4M | Reduce -8.2% |
| FTNT Fortinet Inc. | 5.03% | 729,885 | $112.1M | Reduce -11.9% |
| MEDP Medpace Holdings Inc. | 4.99% | 210,217 | $111.3M | Reduce -3.5% |
| VRNS Varonis Systems Inc. | 4.22% | 2,241,704 | $94.1M | Reduce -3.7% |
| RBC RBC Bearings Inc. | 4.15% | 143,737 | $92.6M | Reduce -18.1% |
| IDXX Idexx Laboratories Inc. | 3.83% | 162,110 | $85.3M | Reduce -2.4% |
| NCNO Ncino Inc. | 3.75% | 5,107,539 | $83.5M | Add +115.0% |
| AVAV Aerovironment Inc. | 3.13% | 422,518 | $69.7M | Reduce -3.2% |
| TECH Bio-Techne Corp. | 3.09% | 973,789 | $68.8M | Reduce -4.6% |
| SEIC Sei Investments Company | 2.93% | 745,323 | $65.4M | Reduce -3.0% |
| CVLT Commvault Systems Inc. | 2.80% | 440,931 | $62.5M | Reduce -18.5% |
| MRCY Mercury Systems Inc. | 2.67% | 486,064 | $59.5M | New |
| NOVT Novanta Inc. | 2.64% | 362,271 | $58.8M | Reduce -3.1% |
| DT Dynatrace Inc. | 2.62% | 1,332,429 | $58.5M | Add +26.4% |
| CGNT Cognyte Software Ltd. | 2.44% | 6,183,567 | $54.3M | Reduce -4.8% |
| GMED Globus Medical Inc. Class A | 2.31% | 653,072 | $51.6M | Reduce -1.5% |
| KTOS Kratos Defense & Security | 2.30% | 1,029,653 | $51.3M | Reduce -3.9% |
| MANH Manhattan Associates Inc. | 2.28% | 364,696 | $50.8M | Add +1.9% |
| PRLB Proto Labs Inc. | 2.27% | 619,845 | $50.5M | Reduce -1.3% |
| RGEN Repligen Corp. | 2.21% | 361,055 | $49.3M | Add +0.9% |
| AAON Aaon Inc. | 2.13% | 375,178 | $47.6M | Add +35.5% |
| RMD Resmed Inc. | 2.00% | 228,458 | $44.5M | Reduce -13.9% |
| GWRE Guidewire Software Inc. | 1.82% | 328,983 | $40.5M | Add +1.5% |
| DORM Dorman Products Inc. | 1.74% | 284,244 | $38.8M | Add +370.3% |
| BMI Badger Meter Inc. | 1.72% | 258,243 | $38.3M | Add +39.0% |
| VEEV Veeva Systems Inc. Class A | 1.57% | 196,848 | $34.9M | Reduce -4.5% |
| NEO Neogenomics Inc. | 1.46% | 2,237,707 | $32.6M | Reduce -0.6% |
| TYL Tyler Technologies Inc. | 1.33% | 101,210 | $29.6M | Add +2.3% |
| VSEC Vse Corp. | 1.32% | 128,934 | $29.5M | Add +52.0% |
| CRNC Cerence Inc. | 1.22% | 2,407,398 | $27.3M | Reduce -4.4% |
| AZTA Azenta Inc. | 1.22% | 1,061,490 | $27.1M | Reduce -18.1% |
| STAA Staar Surgical Co. | 1.09% | 846,659 | $24.3M | Reduce -3.6% |
| TW Tradeweb Markets Inc. Class A | 1.06% | 238,244 | $23.7M | Reduce -4.4% |
| IPGP Ipg Photonics Corp. | 1.04% | 197,882 | $23.2M | Reduce -5.3% |
| ESE Esco Technologies Inc. | 1.03% | 65,312 | $22.9M | Add +70.0% |
| CSGP Costar Group Inc. | 0.92% | 725,143 | $20.5M | Reduce -12.1% |
| CGNX Cognex Corp. | 0.82% | 251,103 | $18.2M | Reduce -7.5% |
| MORN Morningstar Inc. | 0.80% | 114,947 | $17.9M | Add +6.1% |
| DXCM Dexcom Inc. | 0.71% | 235,152 | $15.8M | Reduce -6.5% |
| JKHY Jack Henry & Associates Inc. filed as HENRY JACK & ASSOC INC | 0.62% | 99,930 | $13.8M | Reduce -58.9% |
| GNTX Gentex Corp. | 0.60% | 531,229 | $13.4M | Reduce -0.6% |
| NICE Nice Ltd. - Spon ADR | 0.56% | 136,644 | $12.4M | Reduce -13.3% |
| FDS Factset Research Systems Inc. | 0.42% | 40,986 | $9.4M | Reduce -4.7% |
| RAMP Liveramp Holdings Inc. | 0.42% | 246,042 | $9.3M | Reduce -86.8% |
| SNPS Synopsys Inc. | 0.38% | 19,196 | $8.6M | Reduce -1.3% |
| MPWR Monolithic Power Systems Inc. | 0.37% | 5,897 | $8.2M | Reduce -6.7% |
| ORLY O'reilly Automotive Inc. | 0.36% | 86,235 | $7.9M | No change |
| MMSI Merit Medical Systems Inc. | 0.33% | 104,967 | $7.3M | Reduce -9.3% |
| GHM Graham Corp. | 0.29% | 52,050 | $6.4M | Add +1.0% |
| HAE Haemonetics Corp. | 0.23% | 66,915 | $5.0M | No change |
| KRNT Kornit Digital Ltd. | 0.21% | 282,976 | $4.6M | No change |
| PODD Insulet Corp. | 0.20% | 29,455 | $4.5M | Add +52.8% |
| KWR Quaker Chemical Corporation | 0.19% | 27,279 | $4.3M | Reduce -29.4% |
| SPSC SPS Commerce Inc. | 0.19% | 73,958 | $4.2M | Reduce -14.1% |
| ALRM Alarm.com Holdings Inc. | 0.14% | 68,544 | $3.2M | Reduce -1.8% |
| BCPC Balchem Corp. | 0.12% | 16,067 | $2.7M | Reduce -20.1% |
| FELE Franklin Electric Co. Inc. | 0.11% | 22,000 | $2.4M | No change |
| SHY iShares 1-3 Year Treasury Bo | 0.09% | 25,524 | $2.1M | Reduce -3.6% |
| SPY SS SPDR S&P 500 ETF Trust-US | 0.08% | 2,425 | $1.8M | No change |
| MTSI Macom Technology Solutions H | 0.06% | 3,626 | $1.4M | Reduce -7.7% |
| DSGX The Descartes Systems Grp | 0.06% | 19,605 | $1.4M | Add +2.4% |
| FROG Jfrog Ltd. | 0.05% | 13,479 | $1.2M | Add +3.9% |
| NEOG Neogen Corp. | 0.05% | 133,457 | $1.2M | Reduce -0.1% |
| IGSB iShares 1-5Y Inv Grade Corp. | 0.05% | 21,496 | $1.1M | New |
| QLYS Qualys Inc. | 0.04% | 7,125 | $980K | Reduce -91.5% |
| TRMB Trimble Inc. | 0.04% | 19,000 | $972K | No change |
| LQD Ishr Ibx Usd Invgd CB ETF-Ui | 0.04% | 8,702 | $949K | New |
| ACIW Aci Worldwide Inc. | 0.04% | 18,410 | $926K | No change |
| ZBRA Zebra Technologies Corp. Class A | 0.04% | 3,300 | $869K | No change |
| AAPL Apple Inc. | 0.04% | 2,800 | $810K | No change |
| MBB iShares MBS ETF | 0.03% | 8,186 | $774K | New |
| HYG Ishr Ibx Usd Hiyld CB ETF-Ui | 0.03% | 7,173 | $574K | New |
| ICLR Icon PLC filed as ICON PUB LTD CO | 0.02% | 2,823 | $490K | Reduce -13.7% |
| ILMN Illumina Inc. | 0.02% | 2,220 | $390K | No change |
| MRK Merck & Co. Inc. | 0.01% | 2,100 | $270K | No change |
| VONG Vanguard Russell 1000 Growth | 0.01% | 1,949 | $249K | New |
| MDY State Street SPDR S&P Midcap | 0.01% | 353 | $248K | No change |
| VUG Vanguard Mrngstar GR ETF-Sui | 0.01% | 2,860 | $246K | New |
| ACWX iShares MSCI Acwi Ex US ETF | 0.01% | 3,220 | $245K | Add +5.9% |
Other holdings (1): bonds, preferreds, convertibles and warrants · $946K (not counted above)
| Security | Class | Shares / Principal | Value | Change |
|---|---|---|---|---|
| NOVANTA INC (NOVT 6.5 11/01/28) | UNIT 11/01/2028 | 14,035 | $946K | Add +39.0% |
Total filed on the 13F, all lines: $2.2B.
Portfolio Sells Q1 2026 → Q2 2026
| RAMP Liveramp Holdings Inc. | Reduce -86.8% | 0.42% | −2.24 |
| KTOS Kratos Defense & Security | Reduce -3.9% | 2.30% | −1.76 |
| JKHY Jack Henry & Associates Inc. | Reduce -58.9% | 0.62% | −1.45 |
| RMD Resmed Inc. | Reduce -13.9% | 2.00% | −1.20 |
| IDXX Idexx Laboratories Inc. | Reduce -2.4% | 3.83% | −1.18 |
| AVAV Aerovironment Inc. | Reduce -3.2% | 3.13% | −1.16 |
| RBC RBC Bearings Inc. | Reduce -18.1% | 4.15% | −0.97 |
| CSGP Costar Group Inc. | Reduce -12.1% | 0.92% | −0.87 |
| GMED Globus Medical Inc. Class A | Reduce -1.5% | 2.31% | −0.75 |
| MEDP Medpace Holdings Inc. | Reduce -3.5% | 4.99% | −0.63 |
| TW Tradeweb Markets Inc. Class A | Reduce -4.4% | 1.06% | −0.51 |
| CGNT Cognyte Software Ltd. | Reduce -4.8% | 2.44% | −0.39 |
| VEEV Veeva Systems Inc. Class A | Reduce -4.5% | 1.57% | −0.38 |
| NICE Nice Ltd. - Spon ADR | Reduce -13.3% | 0.56% | −0.38 |
| QLYS Qualys Inc. | Reduce -91.5% | 0.04% | −0.35 |
| SEIC Sei Investments Company | Reduce -3.0% | 2.93% | −0.31 |
| AZTA Azenta Inc. | Reduce -18.1% | 1.22% | −0.26 |
| IPGP Ipg Photonics Corp. | Reduce -5.3% | 1.04% | −0.24 |
| DXCM Dexcom Inc. | Reduce -6.5% | 0.71% | −0.14 |
| MMSI Merit Medical Systems Inc. | Reduce -9.3% | 0.33% | −0.10 |
| FDS Factset Research Systems Inc. | Reduce -4.7% | 0.42% | −0.08 |
| SPSC SPS Commerce Inc. | Reduce -14.1% | 0.19% | −0.07 |
| HOLX Hologic Inc. | Sold out | 0.00% | −0.07 |
| KWR Quaker Chemical Corporation | Reduce -29.4% | 0.19% | −0.06 |
| BCPC Balchem Corp. | Reduce -20.1% | 0.12% | −0.06 |
| SNPS Synopsys Inc. | Reduce -1.3% | 0.38% | −0.03 |
| BLKB Blackbaud Inc. | Sold out | 0.00% | −0.03 |
| GNTX Gentex Corp. | Reduce -0.6% | 0.60% | −0.03 |
| SHY iShares 1-3 Year Treasury Bo | Reduce -3.6% | 0.09% | −0.02 |
| ALRM Alarm.com Holdings Inc. | Reduce -1.8% | 0.14% | −0.02 |
| NEOG Neogen Corp. | Reduce -0.1% | 0.05% | −0.01 |
| MPWR Monolithic Power Systems Inc. | Reduce -6.7% | 0.37% | −0.01 |
| ICLR Icon PLC | Reduce -13.7% | 0.02% | +0.00 |
| MTSI Macom Technology Solutions H | Reduce -7.7% | 0.06% | +0.01 |
| CGNX Cognex Corp. | Reduce -7.5% | 0.82% | +0.10 |
| STAA Staar Surgical Co. | Reduce -3.6% | 1.09% | +0.21 |
| TECH Bio-Techne Corp. | Reduce -4.6% | 3.09% | +0.22 |
| NOVT Novanta Inc. | Reduce -3.1% | 2.64% | +0.26 |
| PRLB Proto Labs Inc. | Reduce -1.3% | 2.27% | +0.34 |
| CRNC Cerence Inc. | Reduce -4.4% | 1.22% | +0.37 |
| CVLT Commvault Systems Inc. | Reduce -18.5% | 2.80% | +0.54 |
| NEO Neogenomics Inc. | Reduce -0.6% | 1.46% | +0.57 |
| FTNT Fortinet Inc. | Reduce -11.9% | 5.03% | +1.39 |
| VRNS Varonis Systems Inc. | Reduce -3.7% | 4.22% | +1.53 |
| PANW Palo Alto Networks Inc. | Reduce -8.2% | 8.76% | +3.39 |
Portfolio Buys Q1 2026 → Q2 2026
| MRCY Mercury Systems Inc. | New | 2.67% | +2.67 |
| NCNO Ncino Inc. | Add +115.0% | 3.75% | +1.83 |
| DORM Dorman Products Inc. | Add +370.3% | 1.74% | +1.40 |
| AAON Aaon Inc. | Add +35.5% | 2.13% | +0.90 |
| DT Dynatrace Inc. | Add +26.4% | 2.62% | +0.53 |
| VSEC Vse Corp. | Add +52.0% | 1.32% | +0.48 |
| ESE Esco Technologies Inc. | Add +70.0% | 1.03% | +0.44 |
| BMI Badger Meter Inc. | Add +39.0% | 1.72% | +0.20 |
| GHM Graham Corp. | Add +1.0% | 0.29% | +0.07 |
| IGSB iShares 1-5Y Inv Grade Corp. | New | 0.05% | +0.05 |
| LQD Ishr Ibx Usd Invgd CB ETF-Ui | New | 0.04% | +0.04 |
| MBB iShares MBS ETF | New | 0.03% | +0.03 |
| HYG Ishr Ibx Usd Hiyld CB ETF-Ui | New | 0.03% | +0.03 |
| FROG Jfrog Ltd. | Add +3.9% | 0.05% | +0.02 |
| VONG Vanguard Russell 1000 Growth | New | 0.01% | +0.01 |
| VUG Vanguard Mrngstar GR ETF-Sui | New | 0.01% | +0.01 |
| ACWX iShares MSCI Acwi Ex US ETF | Add +5.9% | 0.01% | −0.00 |
| DSGX The Descartes Systems Grp | Add +2.4% | 0.06% | −0.01 |
| PODD Insulet Corp. | Add +52.8% | 0.20% | −0.02 |
| RGEN Repligen Corp. | Add +0.9% | 2.21% | −0.05 |
| MORN Morningstar Inc. | Add +6.1% | 0.80% | −0.18 |
| MANH Manhattan Associates Inc. | Add +1.9% | 2.28% | −0.28 |
| TYL Tyler Technologies Inc. | Add +2.3% | 1.33% | −0.49 |
| GWRE Guidewire Software Inc. | Add +1.5% | 1.82% | −0.79 |
Notes & Other Activity Q1 2026 → Q2 2026
| NOVANTA INC (NOVT 6.5 11/01/28) | UNIT 11/01/2028 | Add +39.0% | 14,035 | $946K |
Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 79 | $2.2B | PANW, FTNT, MEDP, VRNS, RBC |
| Q1 2026 | 74 | $1.9B | MEDP, PANW, RBC, IDXX, AVAV |
| Q4 2025 | 68 | $2.3B | AVAV, CYBR, MEDP, KTOS, IDXX |
| Q3 2025 | 68 | $2.5B | AVAV, KTOS, CYBR, MEDP, IDXX |
| Q2 2025 | 63 | $2.4B | AVAV, CYBR, FTNT, KTOS, IDXX |
| Q1 2025 | 63 | $2.5B | CYBR, FTNT, AVAV, CVLT, MEDP |
| Q4 2024 | 63 | $2.7B | CYBR, AVAV, FTNT, MANH, MEDP |
| Q3 2024 | 61 | $3.1B | AVAV, CYBR, MANH, FTNT, MEDP |
| Q2 2024 | 62 | $3.0B | AVAV, CYBR, MANH, MEDP, IDXX |
| Q1 2024 | 64 | $3.1B | CYBR, AVAV, FTNT, MANH, IDXX |