Bio-Techne (TECH)
S&P 500 · Health Care · data since 1989-02-09 · last close 2026-09-09
Bio-Techne (TECH) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 9.0 | -7.8 | -11.4 | 5.9 | -6.4 | 36.7 | 1.9 | 0.4 | -0.1 | · | · | · |
| 2025 | 2.1 | -15.9 | -5.0 | -14.1 | -3.7 | 6.3 | 6.4 | -0.0 | 1.8 | 12.5 | 3.2 | -8.8 |
| 2024 | -8.9 | 4.7 | -4.3 | -10.2 | 22.2 | -7.2 | 13.9 | -9.2 | 8.0 | -7.7 | 2.3 | -4.4 |
| 2023 | -3.9 | -8.7 | 2.1 | 7.7 | 2.5 | -0.2 | 2.2 | -5.9 | -13.2 | -19.7 | 15.3 | 22.7 |
| 2022 | -27.2 | 11.5 | 3.3 | -12.3 | -2.5 | -6.3 | 11.2 | -13.8 | -14.4 | 4.3 | 14.9 | -2.5 |
| 2021 | 2.3 | 11.4 | 5.6 | 11.9 | -3.1 | 8.8 | 7.1 | 3.6 | -2.9 | 8.1 | -9.8 | 9.6 |
| 2020 | -4.3 | -9.9 | 0.4 | 18.7 | 17.8 | -0.3 | 4.2 | -7.0 | -3.0 | 1.9 | 20.3 | 4.7 |
| 2019 | 20.6 | 11.3 | 2.4 | 3.0 | -3.0 | 5.3 | 0.8 | -8.7 | 2.1 | 6.4 | 5.0 | 0.6 |
| 2018 | 8.3 | 1.0 | 6.9 | -0.1 | -0.2 | -1.6 | 8.6 | 19.8 | 6.2 | -17.8 | -3.6 | -10.3 |
| 2017 | -1.1 | 4.8 | -4.4 | 5.3 | 5.0 | 4.8 | -1.4 | 7.1 | -2.3 | 8.4 | 3.1 | -3.9 |
| 2016 | -8.1 | 4.2 | 10.1 | -1.4 | 18.3 | 2.6 | -0.3 | -6.0 | 3.9 | -5.0 | 1.6 | -2.4 |
| 2015 | 0.7 | 5.2 | 2.8 | -4.3 | 5.9 | -2.8 | 11.1 | -13.4 | -2.1 | -4.6 | 3.8 | -1.3 |
| 2014 | -4.0 | -1.9 | -3.9 | 4.6 | -1.4 | 5.4 | 0.8 | 2.7 | -2.1 | -2.7 | 1.0 | 0.9 |
| 2013 | 4.9 | -4.7 | -0.2 | -5.5 | 4.2 | 3.9 | 6.8 | 5.5 | 3.3 | 9.2 | -1.8 | 10.7 |
| 2012 | -0.0 | 5.3 | -2.1 | -4.5 | 1.8 | 9.3 | -6.9 | -0.3 | 4.9 | -6.4 | 5.7 | -3.6 |
| 2011 | 5.0 | 4.4 | -0.1 | 8.6 | 5.2 | 2.3 | -9.1 | -4.0 | -6.2 | 1.2 | -1.5 | 1.1 |
| 2010 | -4.3 | -2.2 | -0.5 | 4.2 | -8.2 | -5.1 | 1.6 | -0.7 | 6.9 | -1.3 | -1.0 | 9.3 |
| 2009 | -7.0 | -18.2 | 12.0 | 4.6 | 5.8 | 5.9 | 0.0 | -3.0 | 1.4 | -0.1 | 9.0 | 1.0 |
| 2008 | -1.6 | 5.2 | -1.5 | 7.7 | 8.3 | -1.4 | 2.8 | -3.0 | -6.5 | -3.9 | -10.2 | 4.0 |
| 2007 | 4.7 | -3.0 | 1.4 | 3.3 | 1.2 | -4.2 | -1.7 | 12.0 | 0.1 | 3.4 | -0.1 | 1.4 |
| 2006 | 1.4 | 4.6 | 1.1 | -5.8 | -3.5 | -6.9 | -2.4 | 2.4 | -0.1 | 9.9 | -3.8 | 3.1 |
| 2005 | -10.4 | -2.2 | 17.9 | 3.9 | 11.6 | -1.5 | 6.9 | 16.1 | 0.0 | -4.8 | 1.8 | 1.5 |
| 2004 | 2.6 | 4.3 | 0.7 | -4.1 | -0.9 | 12.1 | -8.4 | -2.7 | -1.4 | -5.7 | 3.8 | 4.0 |
| 2003 | -20.1 | -4.8 | -4.5 | 6.9 | 30.8 | 4.7 | 6.5 | 4.2 | -5.6 | 9.6 | 3.2 | 5.3 |
| 2002 | -16.7 | -3.8 | -6.7 | -3.2 | 17.7 | -10.2 | -2.0 | 2.7 | 15.5 | 0.6 | -6.2 | -7.7 |
| 2001 | -23.1 | -2.9 | -3.0 | 22.9 | 2.8 | -1.5 | -9.9 | 8.2 | -7.1 | 2.4 | 5.3 | 16.1 |
| 2000 | 13.3 | 37.5 | -19.6 | 3.1 | 12.4 | 62.6 | -23.2 | -4.4 | 17.3 | 0.7 | -21.1 | -19.0 |
| 1999 | 19.5 | -1.0 | 15.5 | -5.0 | -8.4 | 1.0 | 18.2 | 3.3 | 1.2 | 25.5 | 23.3 | 13.4 |
| 1998 | 2.9 | 4.5 | 3.0 | -9.0 | -0.7 | 8.9 | -15.7 | -23.7 | 19.4 | 14.5 | 11.9 | 12.7 |
| 1997 | 1.0 | -5.7 | -6.6 | 4.9 | 13.9 | 9.5 | -8.3 | 11.3 | 15.0 | -1.4 | 5.7 | -5.4 |
| 1996 | -9.9 | 17.9 | 13.4 | 15.5 | 3.6 | 0.9 | -4.3 | -5.8 | -11.4 | 1.6 | 1.1 | 8.3 |
| 1995 | 7.3 | 15.9 | 5.9 | 11.1 | -10.0 | 0.0 | 29.2 | 11.8 | -3.2 | 13.3 | 10.5 | -14.8 |
| 1994 | -4.5 | -2.4 | 12.2 | 2.2 | -8.5 | -2.3 | -9.5 | 5.3 | 0.0 | 12.5 | -6.7 | -2.4 |
| 1993 | 1.5 | -13.0 | 0.0 | -5.0 | -1.8 | 5.4 | -3.4 | 7.0 | 0.0 | -13.1 | -3.8 | -13.7 |
| 1992 | -7.8 | 2.1 | -20.8 | -2.6 | 18.9 | -18.2 | 22.2 | 4.5 | 10.9 | 9.8 | 12.5 | 7.9 |
| 1991 | 0.0 | 28.0 | 25.0 | 10.0 | 0.0 | 22.7 | 3.7 | 42.9 | -3.8 | 22.1 | -9.6 | 20.0 |
| 1990 | 9.1 | 8.3 | -7.7 | 16.7 | 42.9 | 5.0 | 14.3 | -12.5 | -14.3 | 11.1 | 15.0 | 8.7 |
| 1989 | · | 0.0 | -7.1 | -15.4 | -4.5 | 0.0 | 0.0 | 14.3 | 8.3 | -7.7 | -8.3 | 0.0 |
| Avg | -1.3 | 2.2 | 0.8 | 2.1 | 4.9 | 4.1 | 1.9 | 1.6 | 0.7 | 2.3 | 2.5 | 1.8 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
TECH seasonality — average by calendar month
Bio-Techne has monthly history back to 1989. Its strongest month by median is April — positive in 22 of 38 years, median +3.2%, and higher in 5 of the last 9. Across its full record it has closed 55% of months higher, swings ±10.3% in an average month and has fallen 74.4% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | -1.3% | +2.2% | +0.8% | +2.1% | +4.9% | +4.1% | +1.9% | +1.6% | +0.7% | +2.4% | +2.5% | +1.8% |
| Win rate | 49%/37 | 53%/38 | 50%/38 | 58%/38 | 55%/38 | 55%/38 | 58%/38 | 53%/38 | 49%/37 | 59%/37 | 62%/37 | 59%/37 |
Win rate = share of positive months / sample size.
TECH risk & extremes
TECH drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
Related stocks
Frequently asked questions
What was Bio-Techne's best month?+
Bio-Techne's strongest completed month on record is June 2000, at +62.63%.
What was Bio-Techne's worst month?+
Its weakest completed month on record is January 2022, at -27.24%.
Is Bio-Techne up this year?+
Bio-Techne is up 23.25% year to date, measured from its last close before 1 January.
What is Bio-Techne's 1-year return?+
+33.91% over the past twelve months, comparing the latest close with the most recent close on or before the same date a year earlier.
What is Bio-Techne's biggest drawdown?+
The deepest peak-to-trough fall on record is 74.4%, measured on month-end closes since 1989.
Which calendar month is historically best for Bio-Techne?+
May has the highest average return across every completed May since 1989. An average is not a forecast.
About Bio-Techne
Bio-Techne is an S&P 500 company, a health care business worth about $11 billion. It turns lab coats into cash flows — with price receipts on this site going back to 1989. And the long game: $100 at its first close here (1989) would be about $79,266 today.
Did you know?
- Its best month on record was June 2000 at +62.63%; its worst, January 2022 at -27.24%.
Trivia for entertainment — the numbers come from our price data; the jokes don't.