Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

AMERICAN CAPITAL MANAGEMENT INC 13F Holdings -- Portfolio & Top Positions (2026-06-30)

AMERICAN CAPITAL MANAGEMENT INC (CIK 1320168) reported $2.23B across 80 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: PANW ($195.4M, 8.76%), FTNT ($112.1M, 5.03%), MEDP ($111.3M, 4.99%), VRNS ($94.1M, 4.22%), RBC ($92.6M, 4.15%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1PANWPALO ALTO NETWORKS INC$195.4M8.76%572,934Trimmed
2FTNTFORTINET INC$112.1M5.03%729,885Trimmed
3MEDPMEDPACE HOLDINGS INC$111.3M4.99%210,217Trimmed
4VRNSVARONIS SYSTEMS INC$94.1M4.22%2.2MTrimmed
5RBCRBC BEARINGS INC$92.6M4.15%143,737Trimmed
6IDXXIDEXX LABORATORIES INC$85.3M3.83%162,110Trimmed
7NCNONCINO INC$83.5M3.74%5.1MAdded
8AVAVAEROVIRONMENT INC$69.7M3.13%422,518Trimmed
9TECHBIO-TECHNE CORP$68.8M3.08%973,789Trimmed
10SEICSEI INVESTMENTS COMPANY$65.4M2.93%745,323Trimmed
11CVLTCOMMVAULT SYSTEMS INC$62.5M2.80%440,931Trimmed
12MRCYMERCURY SYSTEMS INC$59.5M2.67%486,064New
13NOVTNOVANTA INC$58.8M2.64%362,271Trimmed
14DTDYNATRACE INC$58.5M2.62%1.3MAdded
15CGNTCOGNYTE SOFTWARE LTD$54.3M2.43%6.2MTrimmed
16GMEDGLOBUS MEDICAL INC$51.6M2.31%653,072Trimmed
17KTOSKRATOS DEFENSE & SECURITY SOLUTIONS INC$51.3M2.30%1.0MTrimmed
18MANHMANHATTAN ASSOCIATES INC$50.8M2.28%364,696Added
19PRLBPROTO LABS INC$50.5M2.27%619,845Trimmed
20RGENREPLIGEN CORP$49.3M2.21%361,055Added
21AAONAAON INC$47.6M2.13%375,178Added
22RMDRESMED INC$44.5M2.00%228,458Trimmed
23GWREGUIDEWIRE SOFTWARE INC$40.5M1.82%328,983Added
24DORMDORMAN PRODUCTS INC$38.8M1.74%284,244Added
25BMIBADGER METER INC$38.3M1.72%258,243Added

Source: SEC Form 13F filings · as of 2026-06-30