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Rydex Series Trust Biotechnology Fund Investor Class: (MF: RYOIX)

(NASDAQ Mutual Funds) As of Oct 19, 2026 05:47 PM ET

$93.02 USD

+0.65 (0.70%)

Zacks MF Rank

This is our Mutual Fund rating system that serves as a timeliness indicator for Mutual Fund's over the next 6 months:

Zacks Rank Definition
1 Strong Buy
2 Buy
3 Hold
4 Sell
5 Strong Sell

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5-Strong Sell of 5         5

View All Zacks Mutual Fund Rank #1's

Latest Performance as of Sep 30, 2026

Total Return %* Percentile Rank Objective
YTD 26.79 4
3 months 6.18 12
6 months 24.25 11
1 Year 46.12 5
3 Year 22.84 10
5 Year 8.04 21
10 Year 9.72 50

* Annual for three years and beyond.

Bull Market (9/02 - 10/07) 93.40
Bear Market (10/07 - 2/09) -26.43
Bull Market (2/09 - 3/21) 1,037.41

Load Adjusted Returns as of Sep 30, 2026

1 Year 46.12
5 Year 8.04
10 Year 9.72
Since Inception 11.38

Quarterly Return

1st Qtr. 2nd Qtr. 3rd Qtr. 4th Qtr.
2026 2.04 17.00 6.18 NA
2025 -1.34 -0.12 15.14 15.24
2024 0.79 2.09 4.90 -8.04
2023 -2.19 0.10 -3.84 12.65
2022 -9.87 -10.24 -2.14 9.84
2021 -1.55 10.07 -3.17 -2.97

Annual Return

20262025202420232022202120202019201820172016
% Total Return 26.7930.73-0.736.05-13.051.8022.0925.01-8.9729.73-19.50
% Total Return Rel to Index 14.0412.51-25.75-20.185.15-26.883.68-6.47-4.587.93-31.44
% Total Return Rel to Peer 16.3810.07-3.340.29-3.63-6.880.81-1.67-9.107.61-8.72
% Perf Quintile vs Peer* 1.001.005.002.004.005.003.004.005.002.005.00
% Dividends 0.000.000.000.000.000.000.000.000.000.000.00
% Yield 0.000.000.000.000.000.000.000.000.000.000.00
Capital Gains ($) 0.009.419.420.000.9015.776.953.609.884.700.00
Expense Ratio 1.381.391.401.391.361.451.481.461.371.371.32

* 1 = Top 20%, 5 = Bottom 20%