1y return+2.4%S&P 500 +20.9%
3y return+29.7%S&P 500 +68.5%
5y return+15.2%S&P 500 +74.5%
These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.
$100 invested in its stock picks
Since September 30, 2016: $336 against $345 in the S&P 500.2
American Capital Management IncS&P 500 (SPY)
Top holdings
At the end of June 30, 2026. Change is in shares since the quarter before.2
| Stock | Value | Share of portfolio | Change |
|---|---|---|---|
| PANWPalo Alto Networks Inc | $195.4M | 8.8% | −8.2% |
| FTNTFortinet Inc | $112.1M | 5.0% | −11.9% |
| MEDPMedpace Holdings Inc | $111.3M | 5.0% | −3.5% |
| VRNSVaronis Systems Inc | $94.1M | 4.2% | −3.7% |
| RBCRbc Bearings Inc | $92.6M | 4.2% | −18.1% |
| IDXXIdexx Laboratories Inc | $85.3M | 3.8% | −2.4% |
| NCNONcino Inc | $83.5M | 3.7% | +115.0% |
| AVAVAerovironment Inc | $69.7M | 3.1% | −3.2% |
| TECHBio-techne Corp | $68.8M | 3.1% | −4.6% |
| SEICSei Investments Company | $65.4M | 2.9% | −3.0% |
| CVLTCommvault Systems Inc | $62.5M | 2.8% | −18.5% |
| MRCYMercury Systems Inc | $59.5M | 2.7% | New |
| NOVTNovanta Inc | $58.8M | 2.6% | −3.1% |
| DTDynatrace Inc | $58.5M | 2.6% | +26.4% |
| Cognyte Software LtdCUSIP M25133105 | $54.3M | 2.4% | −4.8% |
| GMEDGlobus Medical Inc | $51.6M | 2.3% | −1.5% |
| KTOSKratos Defense & Security Solutions Inc | $51.3M | 2.3% | −3.9% |
| MANHManhattan Associates Inc | $50.8M | 2.3% | +1.9% |
| PRLBProto Labs Inc | $50.5M | 2.3% | −1.3% |
| RGENRepligen Corp | $49.3M | 2.2% | |
| AAONAaon Inc | $47.6M | 2.1% | +35.5% |
| RMDResmed Inc | $44.5M | 2.0% | −13.9% |
| GWREGuidewire Software Inc | $40.5M | 1.8% | +1.5% |
| DORMDorman Products Inc | $38.8M | 1.7% | +370.3% |
| BMIBadger Meter Inc | $38.3M | 1.7% | +39.0% |
Best picks still held
How each current holding has done since the quarter it first appeared in its filings (up to six years back).
| Stock | Held since | Return since | Now worth |
|---|---|---|---|
| MEDPMedpace Holdings Inc | June 30, 2020 | +469.3% | $111.3M |
| FTNTFortinet Inc | June 30, 2020 | +459.6% | $112.1M |
| RBCRbc Bearings Inc | June 30, 2020 | +380.5% | $92.6M |
| CVLTCommvault Systems Inc | June 30, 2020 | +266.2% | $62.5M |
| KTOSKratos Defense & Security Solutions Inc | June 30, 2020 | +219.0% | $51.3M |
| PRLBProto Labs Inc | March 31, 2025 | +132.6% | $50.5M |
| PANWPalo Alto Networks Inc | March 31, 2026 | +112.7% | $195.4M |
| AVAVAerovironment Inc | June 30, 2020 | +107.3% | $69.7M |
| DORMDorman Products Inc | June 30, 2020 | +103.4% | $38.8M |
| VRNSVaronis Systems Inc | December 31, 2022 | +75.3% | $94.1M |
Sold off last quarter
- Hologic IncCUSIP 436440101 was $1.2M
- BLKBBlackbaud Inc was $499K
Quarter by quarter
| Quarter | Its picks | S&P 500 |
|---|---|---|
| June 30, 2026 | +20.8% | +14.8% |
| March 31, 2026 | −14.2% | −4.6% |
| December 31, 2025 | −7.2% | +2.4% |
| September 30, 2025 | +6.6% | +7.8% |
| June 30, 2025 | +16.7% | +10.5% |
| March 31, 2025 | −7.4% | −4.6% |
| December 31, 2024 | −0.1% | +2.1% |
| September 30, 2024 | +5.9% | +5.4% |
| June 30, 2024 | −4.8% | +4.0% |
| March 31, 2024 | +8.8% | +10.0% |
| December 31, 2023 | +14.8% | +11.2% |
| September 30, 2023 | −6.8% | −3.6% |
| June 30, 2023 | +8.1% | +8.3% |
| March 31, 2023 | +10.5% | +7.0% |
| December 31, 2022 | +3.8% | +7.1% |
| September 30, 2022 | −4.1% | −5.3% |
| June 30, 2022 | −21.6% | −16.5% |
| March 31, 2022 | −13.5% | −4.9% |
| December 31, 2021 | +4.5% | +10.7% |
| September 30, 2021 | +5.4% | +0.3% |
Sources
Every number on this page points here. Each one links to the public record.
- 1SEC EDGAR: American Capital Management Inc Form 13F filingshttps://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1320168&type=13F-HR&dateb=&owner=include&count=40CIK 1320168
- 2SEC: 13F for the quarter ended June 30, 2026https://www.sec.gov/Archives/edgar/data/1320168/000110465926097334/Filed August 14, 2026 · accession 0001104659-26-097334