JATTX — Janus Henderson Triton Fund
Data updated: 2026-08-26
JATTX — Janus Henderson Triton Fund. United States Mid Cap Growth Equity · $5.93B AUM · 0.91% expense ratio. Holdings, fees, performance and SEC filings.
JATTX Fund Overview
JATTX — Janus Henderson Triton Fund is a US mutual fund managed by Janus Investment Fund, categorised as United States Mid Cap Growth Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Janus Investment Fund
- Category: United States Mid Cap Growth Equity
- Assets under management: $5.93B
- 1-year return: 27.5%
- Ticker: JATTX
- SEC CIK: 0000277751
- SEC series ID: S000010485
- Share class ID: C000028947
JATTX Holdings
Top 10 holdings of Janus Henderson Triton Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Flex Ltd. | 3.75% |
| Teledyne Technologies, Inc. | 2.71% |
| Ligand Pharmaceuticals, Inc. | 2.63% |
| Glaukos Corp. | 2.49% |
| Aramark | 1.99% |
| Tower Semiconductor Ltd. | 1.93% |
| Sterling Infrastructure, Inc. | 1.80% |
| Revolution Medicines, Inc. | 1.78% |
| Lantheus Holdings, Inc. | 1.71% |
| Casey's General Stores, Inc. | 1.70% |
JATTX Portfolio Allocation
Asset-class allocation of Janus Henderson Triton Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 98.6% |
| Cash & Equivalents | 2.8% |
JATTX Performance
Total returns for JATTX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 17.6% |
| 1 year | 27.5% |
| 3 years (annualised) | 13.9% |
| 5 years (annualised) | 4.7% |
JATTX Risk Information
Risk metrics for JATTX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 12.7%
JATTX Costs and Fees
JATTX costs about $91 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.91%
- Gross expense ratio: 0.91%
- Portfolio turnover: 20%
- Brokerage commissions: 3.37 bps of average net assets (SEC N-CEN)
JATTX Cashflows
Over the 12 months to 2026-06, Janus Henderson Triton Fund had net outflows of $584.64M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$100.23M |
| 2026-05 | −$73.04M |
| 2026-04 | −$67.59M |
| 2026-03 | −$79.37M |
| 2026-02 | −$76.00M |
| 2026-01 | −$142.50M |
JATTX Debt Constituents
No individual debt constituents are reported in Janus Henderson Triton Fund's latest SEC N-PORT filing.
JATTX Prospectus and SEC Filings
Official Janus Henderson Triton Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-01-28
- Prospectus (485BPOS) — filed 2025-01-28
- Prospectus (485BPOS) — filed 2024-01-26
- Portfolio holdings (N-PORT) — filed 2026-08-26
- Portfolio holdings (N-PORT) — filed 2026-05-29
- Portfolio holdings (N-PORT) — filed 2026-02-27
- Annual census (N-CEN) — filed 2024-12-13
- Annual census (N-CEN) — filed 2023-12-14
Related Funds
Other United States Mid Cap Growth Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.