Mid Cap Growth Stock Portfolio
Data updated: 2026-05-27
C000000085 — Mid Cap Growth Stock Portfolio data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Blend / Core Equity · $959.48M AUM · 0.54% expense ratio · 12.4% 1-yr return. From SEC regulatory filings.
C000000085 Fund Overview
Mid Cap Growth Stock Portfolio is a US mutual fund managed by Northwestern Mutual Series Fund INC, categorised as United States Mid Cap Blend / Core Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Northwestern Mutual Series Fund INC
- Category: United States Mid Cap Blend / Core Equity
- Assets under management: $959.48M
- 1-year return: 12.4%
- SEC CIK: 0000742212
- SEC series ID: S000000050
- Share class ID: C000000085
C000000085 Holdings
Top 10 holdings of Mid Cap Growth Stock Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Howmet Aerospace Inc | 3.47% |
| Hilton Worldwide Holdings Inc | 3.43% |
| Vertiv Holdings Co | 3.37% |
| Royal Caribbean Cruises Ltd | 3.12% |
| Quanta Services Inc | 2.90% |
| Comfort Systems USA Inc | 2.56% |
| Cencora Inc | 2.50% |
| Insmed Inc | 2.24% |
| Cloudflare Inc | 2.23% |
| Alnylam Pharmaceuticals Inc | 2.05% |
C000000085 Portfolio Allocation
Asset-class allocation of Mid Cap Growth Stock Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.6% |
C000000085 Performance
Total returns for C000000085 (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -5.8% |
| 1 year | 12.4% |
| 3 years (annualised) | 6.1% |
| 5 years (annualised) | 0.3% |
C000000085 Risk Information
Risk metrics for C000000085, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 13.0%
C000000085 Costs and Fees
C000000085 costs about $54 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.54%
- Gross expense ratio: 0.54%
- Portfolio turnover: 64%
- Brokerage commissions: 2.23 bps of average net assets (SEC N-CEN)
C000000085 Cashflows
Over the 12 months to 2026-03, Mid Cap Growth Stock Portfolio had net inflows of $102.61M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$4.41M |
| 2026-02 | −$2.75M |
| 2026-01 | −$6.73M |
| 2025-12 | −$8.89M |
| 2025-11 | −$4.66M |
| 2025-10 | −$18.51M |
C000000085 Debt Constituents
No individual debt constituents are reported in Mid Cap Growth Stock Portfolio's latest SEC N-PORT filing.
C000000085 Prospectus and SEC Filings
Official Mid Cap Growth Stock Portfolio filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Mid Cap Blend / Core 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.