AMERICAN CAPITAL MANAGEMENT INC
CIK 1320168 · View on SEC EDGAR ↗
- Portfolio value
- $2.2B
- Positions
- 80
- As of
- June 30, 2026
#1,412 of 9,443 by 13F value · top 15.0%
Portfolio value QoQ: +19.8% 13F does not disclose cash
- Top 10 holdings weight
- 43.86%
- Top 25 holdings weight
- 77.79%
- Positions above 1%
- 35
- Effective number of positions
- 31.5
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 9.73% Est. buys $199,185,554 · sells $218,171,638
Median holding: 7.0 quarters Tracked Q4 2024–Q2 2026 · 87.0% still held
- New positions
- 7
- Increased
- 18
- Decreased
- 43
- Closed
- 2
On this page
- Performance vs S&P How this manager's 13F portfolio performed against the S&P 500.
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- High-conviction bets The holdings this manager is most concentrated in.
- Biggest new bets Brand-new positions opened in the latest quarter.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
Performance vs S&P 500
Annualized: +6.9% · S&P 500: +18.0%
Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.
Priceable coverage: 97.7% · Options excluded: 0.0%
Sector breakdown
Technology
38.6%
Industrials
25.9%
Health Care
25.3%
Financial Services
5.8%
Consumer Discretionary
2.3%
Real Estate
0.9%
Retail
0.4%
Materials
0.3%
Other/Unmapped
0.4%
Full portfolio 80 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| PANW Palo Alto Networks, Inc. - Common Stock | $195,381,953 | 8.76% | 572,934 | $95,328,865 | Down ×1 | ||
| FTNT Fortinet, Inc. - Common Stock | $112,124,934 | 5.03% | 729,885 | $44,385,346 | Down ×6 | ||
| MEDP Medpace Holdings, Inc. - Common Stock | $111,328,821 | 4.99% | 210,217 | $6,672,851 | Down ×6 | ||
| VRNS Varonis Systems, Inc. - Common Stock | $94,061,900 | 4.22% | 2,241,704 | $44,071,603 | Down ×1 | ||
| RBC RBC Bearings Incorporated Common Stock | $92,575,252 | 4.15% | 143,737 | $-2,711,350 | Down ×3 | ||
| IDXX IDEXX Laboratories, Inc. - Common Stock | $85,341,188 | 3.83% | 162,110 | $-7,964,018 | Down ×5 | ||
| NCNO nCino, Inc. - Common Stock | $83,508,263 | 3.74% | 5,107,539 | $47,924,831 | Up ×2 | ||
| AVAV AeroVironment, Inc. - Common Stock | $69,745,046 | 3.13% | 422,518 | $-10,131,933 | Down ×5 | ||
| TECH Bio-Techne Corp - Common Stock | $68,798,193 | 3.08% | 973,789 | $15,434,044 | Down ×1 | ||
| SEIC SEI Investments Company - Common Stock | $65,372,280 | 2.93% | 745,323 | $5,059,061 | Down ×1 | ||
| CVLT Commvault Systems, Inc. - Common Stock | $62,493,151 | 2.80% | 440,931 | $20,366,734 | Down ×1 | ||
| MRCY Mercury Systems Inc - Common Stock | $59,460,209 | 2.67% | 486,064 | Up ×1 | |||
| NOVT Novanta Inc. - Common Shares | $58,774,847 | 2.64% | 362,271 | $14,616,589 | Down ×2 | ||
| DT Dynatrace, Inc. Common Stock | $58,506,957 | 2.62% | 1,332,429 | $19,520,163 | Up ×1 | ||
| CGNT Cognyte Software Ltd. - Ordinary Shares | $54,291,718 | 2.43% | 6,183,567 | $1,672,417 | Down ×3 | ||
| GMED Globus Medical, Inc. Class A Common Stock | $51,599,219 | 2.31% | 653,072 | $-5,529,083 | Down ×1 | ||
| KTOS Kratos Defense & Security Solutions, Inc. - Common Stock | $51,338,499 | 2.30% | 1,029,653 | $-24,241,734 | Down ×5 | ||
| MANH Manhattan Associates, Inc. - Common Stock | $50,783,918 | 2.28% | 364,696 | $3,152,650 | Up ×1 | ||
| PRLB Proto Labs, Inc. Common stock | $50,523,566 | 2.27% | 619,845 | $14,731,827 | Down ×2 | ||
| RGEN Repligen Corporation - Common Stock | $49,262,344 | 2.21% | 361,055 | $7,115,774 | Up ×2 | ||
| AAON AAON, Inc. - Common Stock | $47,595,081 | 2.13% | 375,178 | $24,682,930 | Up ×3 | ||
| RMD ResMed Inc. Common Stock | $44,521,895 | 2.00% | 228,458 | $-15,054,873 | Down ×5 | ||
| GWRE Guidewire Software, Inc. Common Stock | $40,481,358 | 1.82% | 328,983 | $-8,005,396 | Up ×1 | ||
| DORM Dorman Products, Inc. - Common Stock | $38,785,094 | 1.74% | 284,244 | $32,478,097 | Up ×3 | ||
| BMI Badger Meter, Inc. Common Stock | $38,318,096 | 1.72% | 258,243 | $10,005,220 | Up ×1 | ||
| VEEV Veeva Systems Inc. Class A Common Stock | $34,934,615 | 1.57% | 196,848 | $-1,289,639 | Down ×2 | ||
| NEO NeoGenomics, Inc. - Common Stock | $32,648,145 | 1.46% | 2,237,707 | $15,946,630 | Down ×3 | ||
| TYL Tyler Technologies, Inc. Common Stock | $29,599,877 | 1.33% | 101,210 | $-4,275,885 | Up ×2 | ||
| VSEC VSE Corporation - Common Stock | $29,461,419 | 1.32% | 128,934 | $13,825,221 | Up ×2 | ||
| CRNC Cerence Inc. - Common Stock | $27,251,745 | 1.22% | 2,407,398 | $11,355,031 | Down ×6 | ||
| AZTA Azenta, Inc. - Common Stock | $27,089,225 | 1.21% | 1,061,490 | $-295,762 | Down ×1 | ||
| STAA STAAR Surgical Company - Common Stock | $24,290,647 | 1.09% | 846,659 | $7,871,392 | Down ×1 | ||
| TW Tradeweb Markets Inc. - Class A Common Stock | $23,743,397 | 1.06% | 238,244 | $-5,583,005 | Down ×5 | ||
| IPGP IPG Photonics Corporation - Common Stock | $23,215,516 | 1.04% | 197,882 | $-724,398 | Down ×2 | ||
| ESE ESCO Technologies Inc. Common Stock | $22,861,812 | 1.03% | 65,312 | $12,053,265 | Up ×1 | ||
| CSGP CoStar Group, Inc. - Common Stock | $20,536,050 | 0.92% | 725,143 | $-12,756,391 | Down ×2 | ||
| CGNX Cognex Corporation - Common Stock | $18,184,879 | 0.82% | 251,103 | $4,882,477 | Down ×6 | ||
| MORN Morningstar, Inc. - Common Stock | $17,934,031 | 0.80% | 114,947 | $-380,846 | Up ×1 | ||
| DXCM DexCom, Inc. - Common Stock | $15,837,487 | 0.71% | 235,152 | $44,857 | Down ×1 | ||
| JKHY Jack Henry & Associates, Inc. - Common Stock | $13,764,358 | 0.62% | 99,930 | $-24,651,215 | Down ×6 | ||
| GNTX Gentex Corporation - Common Stock | $13,424,157 | 0.60% | 531,229 | $1,748,478 | Down ×6 | ||
| NICE NICE Ltd - American Depositary Shares each representing one Ordinary Share | $12,414,107 | 0.56% | 136,644 | $-4,962,097 | Down ×6 | ||
| FDS FactSet Research Systems Inc. Common Stock | $9,430,059 | 0.42% | 40,986 | $97,753 | Down ×5 | ||
| RAMP LiveRamp Holdings, Inc. Common Stock | $9,261,021 | 0.42% | 246,042 | $-40,161,359 | Down ×5 | ||
| SNPS Synopsys, Inc. - Common Stock | $8,562,760 | 0.38% | 19,196 | $850,035 | Down ×3 | ||
| MPWR Monolithic Power Systems, Inc. - Common Stock | $8,151,777 | 0.37% | 5,897 | $1,241,805 | Down ×6 | ||
| ORLY O'Reilly Automotive, Inc. - Common Stock | $7,941,381 | 0.36% | 86,235 | $-18,972 | |||
| MMSI Merit Medical Systems, Inc. - Common Stock | $7,278,412 | 0.33% | 104,967 | $-701,959 | Down ×1 | ||
| GHM Graham Corporation Common Stock | $6,443,270 | 0.29% | 52,050 | $2,377,312 | Up ×3 | ||
| HAE Haemonetics Corporation Common Stock | $5,018,625 | 0.23% | 66,915 | $1,247,296 | |||
| KRNT Kornit Digital Ltd. - Ordinary Shares | $4,598,360 | 0.21% | 282,976 | $449,932 | |||
| PODD Insulet Corporation - Common Stock | $4,484,524 | 0.20% | 29,455 | $439,858 | Up ×2 | ||
| KWR Quaker Houghton Common Stock | $4,333,815 | 0.19% | 27,279 | $-466,681 | Down ×1 | ||
| SPSC SPS Commerce, Inc. - Common Stock | $4,228,179 | 0.19% | 73,958 | $-563,672 | Down ×2 | ||
| ALRM Alarm.com Holdings, Inc. - Common Stock | $3,202,376 | 0.14% | 68,544 | $187,541 | Down ×6 | ||
| BCPC Balchem Corporation - Common Stock | $2,714,520 | 0.12% | 16,067 | $-692,367 | Down ×1 | ||
| FELE Franklin Electric Co., Inc. - Common Stock | $2,358,180 | 0.11% | 22,000 | $330,440 | |||
| SHY iShares 1-3 Year Treasury Bond ETF | $2,095,776 | 0.09% | 25,524 | $-91,503 | Down ×1 | ||
| SPY SPY | $1,810,917 | 0.08% | 2,425 | $233,842 | |||
| MTSI MACOM Technology Solutions Holdings, Inc. - Common Stock | $1,379,222 | 0.06% | 3,626 | $506,709 | Down ×1 | ||
| DSGX The Descartes Systems Group Inc. - Common Stock | $1,357,450 | 0.06% | 19,605 | $-12,065 | Up ×3 | ||
| FROG JFrog Ltd. - Ordinary shares | $1,224,972 | 0.05% | 13,479 | $615,868 | Up ×2 | ||
| NEOG Neogen Corporation - Common Stock | $1,199,778 | 0.05% | 133,457 | $-41,896 | Down ×5 | ||
| IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF | $1,126,605 | 0.05% | 21,496 | Up ×1 | |||
| QLYS Qualys, Inc. - Common Stock | $979,616 | 0.04% | 7,125 | $-6,377,997 | Down ×6 | ||
| TRMB Trimble Inc. - Common Stock | $972,420 | 0.04% | 19,000 | $-266,950 | |||
| LQD | $949,127 | 0.04% | 8,702 | Up ×1 | |||
| NOVTU Novanta Inc. - Tangible Equity Units | $945,959 | 0.04% | 14,035 | $404,195 | Up ×1 | ||
| ACIW ACI Worldwide, Inc. - Common Stock | $925,839 | 0.04% | 18,410 | $170,845 | |||
| ZBRA Zebra Technologies Corporation - Class A Common Stock | $868,758 | 0.04% | 3,300 | $178,794 | |||
| AAPL Apple Inc. - Common Stock | $810,208 | 0.04% | 2,800 | $99,596 | |||
| MBB iShares MBS ETF | $773,741 | 0.03% | 8,186 | Up ×1 | |||
| HYG | $573,625 | 0.03% | 7,173 | Up ×1 | |||
| ICLR ICON plc - Ordinary Shares | $490,383 | 0.02% | 2,823 | $128,525 | Down ×6 | ||
| ILMN Illumina, Inc. - Common Stock | $390,343 | 0.02% | 2,220 | $116,706 | |||
| MRK Merck & Company, Inc. Common Stock (new) | $269,850 | 0.01% | 2,100 | $17,241 | |||
| VONG Vanguard Russell 1000 Growth ETF | $249,102 | 0.01% | 1,949 | Up ×1 | |||
| MDY | $248,279 | 0.01% | 353 | $30,563 | |||
| VUG | $246,360 | 0.01% | 2,860 | Up ×1 | |||
| ACWX iShares MSCI ACWI ex U.S. ETF | $245,074 | 0.01% | 3,220 | $36,925 | Up ×1 | ||
| No matches | |||||||
Conviction holdings
Positions increased for 3+ consecutive quarters.
Share counts are as reported in 13F filings (not split-adjusted)
Biggest new bets
New positions opened this quarter, largest first.
Top movers (QoQ)
| Security | Action | Shares Δ | Value Δ |
|---|---|---|---|
| PANW | Trimmed | -51K | +$95.3M |
| NCNO | Bought more | +2.7M | +$47.9M |
| FTNT | Trimmed | -99K | +$44.4M |
| VRNS | Trimmed | -87K | +$44.1M |
| AAON | Bought more | +98K | +$24.7M |
| JKHY | Trimmed | -143K | -$24.7M |
| KTOS | Trimmed | -42K | -$24.2M |
| CVLT | Trimmed | -100K | +$20.4M |
| DT | Bought more | +278K | +$19.5M |
| NEO | Trimmed | -13K | +$15.9M |
2 positions hidden (data completeness check)
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| CYBR | March 31, 2026 | 342,015 | $152,559,211 | No longer tracked |
| AZPN | March 31, 2025 | 177,145 | $44,220,706 | No longer tracked |
| ANSS | Sept. 30, 2025 | 99,857 | $35,071,776 | No longer tracked |
| PAYC | Dec. 31, 2025 | 103,802 | $21,605,348 | 41.4% |
| TREX | Dec. 31, 2025 | 280,737 | $14,505,681 | 34.8% |
| SMMD | March 31, 2026 | 78,709 | $5,898,452 | No longer tracked |
| CRL | June 30, 2025 | 27,800 | $4,184,456 | 91.2% |
| HOLX | June 30, 2026 | 16,280 | $1,230,605 | No longer tracked |
| BLKB | June 30, 2026 | 12,930 | $499,227 | 55.7% |
| GLOB | March 31, 2025 | 1,871 | $401,180 | -66.6% |
| ILMN | March 31, 2025 | 2,275 | $304,008 | 164.7% |
| VRNT | June 30, 2025 | 13,100 | $233,835 | No longer tracked |
| MDY | March 31, 2025 | 353 | $201,062 | No longer tracked |