C000010380 Performance — Biotechnology Fund, Variable Annuity

Data updated: 2026-08-21

C000010380 returned +18.90% year to date and +57.40% over one year to Jun 2026. Annualised returns are +18.11% over 3 years and +5.52% over 5 years. The fund beat its Health Care Equity category average: $100 invested three years ago grew to $165, against $138 for the category, and to $157 over one year, against $137. Volatility over the past three years was 17.11% a year. In the 12 months to Jun 2026 the fund lost a net $192K, and assets reached $13.48M.

C000010380 Growth of $100

What $100 invested in Biotechnology Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Health Care Equity category average over the same months.

PeriodC000010380Category average
1 year (Jul 2025 – Jun 2026)$157$137
3 years (Jul 2023 – Jun 2026)$165$138
5 years (Jul 2021 – Jun 2026)$131$121
Since data start (Jul 2019 – Jun 2026)$188$182

C000010380 Trailing Returns

Total returns to Jun 2026, from SEC N-PORT.

PeriodTotal return
YTD+18.90%
1 year+57.40%
3 years (annualised)+18.11%
5 years (annualised)+5.52%

C000010380 Annual Returns

Calendar-year total returns of Biotechnology Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jun)+18.90%
2025+30.12%
2024−1.40%
2023+5.53%
2022−13.31%
2021+1.42%
2020+21.31%
2019 (Jul–Dec)+9.31%

C000010380 Monthly Returns

Monthly total returns as reported on SEC Form N-PORT.

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+2.1%+2.2%−2.5%+0.9%+4.7%+10.6%——————
2025+5.3%−0.2%−6.2%+0.3%−3.6%+3.2%+4.1%+4.9%+5.4%+8.8%+8.1%−2.1%
2024−1.3%+2.2%−0.1%−7.3%+5.0%+4.6%+6.0%+1.7%−2.8%−1.5%+1.1%−7.8%
2023+2.2%−4.5%+0.1%+1.8%−2.6%+0.9%+0.9%−0.5%−4.3%−6.1%+6.1%+12.9%
2022−10.4%−3.1%+3.8%−10.0%−0.3%0.0%+5.2%−3.6%−3.5%+7.8%+6.4%−4.3%
2021+5.2%−2.1%−4.5%+4.3%−3.4%+9.2%−1.6%+3.7%−5.3%+0.2%−4.5%+1.2%
2020−7.4%0.0%−7.9%+15.8%+9.0%+1.5%+0.3%−0.4%+0.4%−2.7%+10.5%+3.1%
2019——————−3.4%−3.8%−1.6%+6.7%+12.2%−0.2%

C000010380 Risk

Risk measures from monthly returns over Jul 2023 – Jun 2026.

  • 3-year volatility (annualised): 17.11%
  • 3-year Sharpe ratio: 0.80 (vs 4.5% risk-free rate)
  • Best month: +12.93% (Dec 2023)
  • Worst month: −7.78% (Dec 2024)

C000010380 Fund Flows

Monthly money in and out of Biotechnology Fund, from SEC Form N-PORT.

  • 12-month net flow: −$192K
  • 12-month gross sales (incl. reinvestments): $28.7M
  • Sales ÷ redemptions: 0.99×
MonthSalesRedemptionsNet flow
Jun 2026$9.9M$10.0M−$24K
May 2026$8.0M$9.9M−$1.9M
Apr 2026$6.9M$4.3M$2.6M
Mar 2026$27K$684K−$656K
Feb 2026$146K$436K−$291K
Jan 2026$117K$352K−$235K
Dec 2025$409K$1.3M−$940K
Nov 2025$1.1M$375K$719K
Oct 2025$1.0M$474K$537K
Sep 2025$149K$270K−$121K
Aug 2025$369K$370K−$922
Jul 2025$531K$437K$95K

C000010380 Assets Under Management

Net assets of Biotechnology Fund by report date, from SEC N-PORT filings.

Report dateNet assets
2026-06-30$13.48M
2026-03-31$10.67M
2025-12-31$11.66M
2025-09-30$9.83M
2025-06-30$9.00M
2025-03-31$9.41M
2024-12-31$9.98M
2024-09-30$11.04M
2024-06-30$10.97M
2024-03-31$11.79M
2023-12-31$12.20M
2023-09-30$11.55M

For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.