Bio-Techne (TECH) Stock Concentration Calculator

Calculator · free · no signup · TECH

Quantify Bio-Techne concentration risk. Drawdown impact at 30 / 50 / 70%, with the tax-aware trade-off between selling down and hedging.

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Your inputs

Adjust — results update instantly.

Position & portfolio

Default. Adjust to test.
35%
Default. Adjust to test.
20%
10%

Tax

67%
Highly concentratedLong-term
If 30% drop
−$150,000
If 50% drop
−$250,000
If 70% drop
−$350,000

Most fee-only advisors target ≤10% in any single name. You're at 67%.

Estimates only. Not financial advice.

Most sensitive to: Expected market return (±10% on this input swings best-plan wealth by ±$190,508).

Cost of fully de-concentrating

All three plans sell to 0% (no hedge).

Tax
Wealth (3y)$956,485
+$33,417 vs.

Tax
Wealth (3y)$994,174
+$71,106 vs.

Tax
Wealth (3y)$1.04M
+$112,490 vs.

Sensitivity. If your expected position return drops below 19.6%/yr, lump-sum (sell everything today) beats every spread plan above.

Have multiple RSU vest lots? The RSU Lot Order Calculator picks which lots to sell first, and on which dates, to divest at the lowest computed tax.

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Build your own plan

Toggle below — chart updates live. Sell buttons show the slice.
Sell over 1 yearSell over 2 yearsSell over 3 yearsCustom
$712,500$815,995$919,489$1,022,984$1,126,478Yr 0Yr 1Yr 2Yr 3
Year 1
Year 2
Year 3
Tax$200,753
Hedge cost$37,676
Wealth at Y3$1,046,371
Vs. best fixed plan+$10,813

Tech / Software single names hit a 50%+ peak-to-trough drawdown in roughly 1 of every 5 rolling 3-year windows over 2014–2024. Even mega-caps aren’t exempt.

Tax brackets: 2026 · Estimates only — not financial advice.

Estate note. Heirs receive a stepped-up basis at death (§1014), eliminating built-in gain on inherited shares. Older holders who plan to bequeath rather than sell may rationally never de-concentrate.

You sized one position's risk. The beta integrates hedging, sell-down, and tax timing into one optimized plan.

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Related calculators: Protect Your Stock Calculator · RSU Lot Order Calculator · Equity Funding Plan Calculator

About Bio-Techne

Bio-Techne (TECH) is a public Life Sciences company, incorporated in Minnesota and headquartered in Minneapolis, MN.

Last close: $72.47 per share (as of 2026-10-01).

Equity grants at Bio-Techne typically include restricted stock units (RSUs).

Bio-Techne Corporation is an American life sciences company that develops, manufactures and sells life science reagents, instruments and services for the research, diagnostic, and bioprocessing markets.

Source: Wikipedia (CC BY-SA 4.0)

Bio-Techne traces to 1976, when Roger Lucas founded Research and Diagnostic Systems (R&D Systems) in Minneapolis to sell blood-control samples for hematology labs; the company later renamed itself Bio-Techne and expanded into cytokines, antibodies, and RNAscope in situ hybridization reagents used by biotech researchers to visualize gene activity in tissue. It reported net sales above $1.2 billion for fiscal 2025 and employs roughly 2,900 people. On June 25, 2026, Germany's Merck KGaA agreed to acquire the company for $73 per share in cash, a deal valuing Bio-Techne's equity and debt combined (enterprise value) at about $11.3 billion.

Sources: investors.bio-techne.com · prnewswire.com · gurufocus.com · en.wikipedia.org

Equity comp at Bio-Techne

  • RSUs use single-trigger vesting: shares become yours as each portion vests on schedule, and the value is taxed as ordinary income at that point. No IPO or acquisition is required.

Researched 2026-08-17.

OptionsAhoy is an independent tool and is not affiliated with, endorsed by, or sponsored by Bio-Techne.

If a meaningful share of your net worth sits in TECH, concentration risk is the question. This calculator quantifies drawdown impact at 30 / 50 / 70%, and the trade-off between selling down (tax cost now) versus hedging (option premium drag), auto-filled with TECH's option-implied volatility.

Example: 5,000 TECH shares at $72.47 is a $362,350 position. A 30% drawdown costs $108,705; a 50% drawdown costs $181,175; a 70% drawdown costs $253,645. The calculator quantifies the trade-off between selling down (immediate capital-gains tax) and hedging (option premium drag) using TECH's option-implied volatility and your cost basis.

All Bio-Techne tools → · Use the generic Stock Concentration Calculator for any company. Diversifying multiple RSU lots? See the lot-by-lot sell order →

Bio-Techne equity questions

How much TECH stock is too much?
There is no single threshold, but the larger the share of your net worth in one stock, the more a single bad year can set back your plans. The calculator above quantifies the drawdown impact at 30, 50, and 70 percent for your TECH position and weighs selling down (which triggers capital-gains tax now) against hedging (which costs option premium).
Does Bio-Techne grant ISOs, NSOs, or RSUs?
Equity compensation at Bio-Techne typically takes the form of restricted stock units (RSUs). Restricted stock units are taxed as ordinary income when they vest.
Do Bio-Techne RSUs use double-trigger vesting?
No. Bio-Techne restricted stock units (RSUs) use single-trigger vesting: each tranche becomes yours as it vests on schedule, taxed as ordinary income at that point, with no liquidity event required.
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