Insider buying last 90 days
No open-market insider purchases were filed for AVTR in the last 90 days.
From Form 4 filings, dated to when each was filed.
Sep 28 close
This week's news centers on Avantor's appointment of Todd Garner as Executive Vice President and Chief Financial Officer, effective 21 September 2026, with a compensation package that includes a $700,000 annual base salary, a target annual bonus of 80% of his base salary, and a $150,000 signing bonus, alongside restricted stock units and options tied to his equity grant. Related filings note his Form 3 and the initial grant terms, including options for 138,632 common shares issued at $16.61 a share. Coverage of a Form 8-K also mentions a 4.20% increase in the stock around the announcement.
Avantor trades at $15.29, up 0.3%, sitting above both its 50-day average of $14.03 and 200-day average of $10.66, with the shorter average above the longer one, consistent with a supportive trend. The GekkoIndex reads 52.9, placing it in the Neutral zone. Fair value is estimated at $16.09, putting the current price about 5% below that mark.
Looking ahead, Avantor's next earnings report is scheduled for 4 November 2026, before the market open, which falls outside a typical 20-trading-day holding window. No insider, Congress, or unusual options activity appears in the recent windows. Seasonality data going back 5 years shows the next 20 trading days averaging a 1.3% return, though gains occurred in only 1 of those years, a pattern worth noting alongside the upcoming earnings date.
Written by AI and checked automatically against the figures on this page. Generated Sep 29, 2026 from the data above.
Avantor scores 3 supportive, 2 mixed and 0 headwinds across the 5 checklist items with data.
Six things swing traders check before a 20-day hold, read from the latest data.
3 supportive2 mixed0 headwinds
Above 50 and 200-day
Close $15.29 is above the 50-day ($14.03) and 200-day ($10.66) averages, and the 50-day is above the 200-day.
See the chart52.9, Neutral
Reading 52.9 is in the Neutral zone.
See the GekkoIndex5.0% below
Price is 5% below Gekko Fair Value (more than 5% below).
See fair valueNo data
No insider, Congress or unusual options activity in the window.
See smart moneyReports in 36 days
Next report Nov 4, 2026, 36 days away — outside a typical 20-trading-day hold.
See earnings+1.3% on average
From this point in the calendar, the next 20 trading days averaged +1.3% over 5 years, rising in 1 of them.
See seasonalityA description of current data, not a recommendation. How this page works
Avantor closed at $15.29 on Sep 28, 2026, +29.8% over the past year, inside a 52-week range of $7.27 to $16.05.
Use the left and right arrow keys to read daily values.
Put AVTR on a Gekko watchlist and see its GekkoIndex, Gekko Fair Value and smart money signals update on the chart as they change.
Avantor equips labs and production facilities with the materials, tools and expertise they need to operate day to day. Its catalog stretches from high-purity chemicals, reagents and general lab supplies to custom silicone formulations, tailored excipients, single-use assemblies, chromatography resins and columns, sample prep kits, clinical trial kits and fluid handling tips. It also sells instruments like ultra-low-temperature freezers, incubators, biological safety cabinets, evaporators, and systems for filtration and virus inactivation, giving it a footprint that runs from small consumables to larger lab hardware.
On top of these products, Avantor offers services that help customers run their own sites, including on-location lab and production support, clinical services, equipment upkeep, sourcing and procurement help, and assistance developing and scaling biopharmaceutical materials. It works with biopharmaceutical and broader healthcare organizations, schools and universities, government bodies, technology firms, and companies in applied materials. Its reach extends across the Americas, Europe, Asia, and parts of the Middle East and Africa.
The company dates back to 1904 and keeps its headquarters in Radnor, Pennsylvania. Avantor trades on the NYSE under the ticker AVTR.
Avantor’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 52.9, in the Neutral zone, up 1.4 points over five sessions.
Up 1.4 points over five sessions.
Reading for Sep 28, 2026
| Zone | Readings | 5 days | 20 days | ||
|---|---|---|---|---|---|
| Buying | 80 | −0.9% | −2.1% | ||
| Accumulation | 241 | +0.4% | +0.3% | ||
| Neutral (current zone) | 324 | −0.2% | −1.0% | ||
| Distribution | 25 | −0.3% | +4.8% | ||
| Selling | 2 | Too few readings yet | |||
Average AVTR share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Neutral readings averaged +1.1% over 20 days. Past behaviour doesn’t guarantee future results.
Neutral zone: No clear directional signal. About the five zones →
Avantor trades 5.0% below Gekko Fair Value of $16.09, so the shares are undervalued on Gekko’s estimate.
Gekko’s own estimate of what Avantor shares are worth, recalculated every trading day.
$16.09
Gekko Fair Value, Sep 26, 2026
5.0% Undervalued
No open-market insider purchases were filed for Avantor, and no Congress trades were disclosed, in the last 90 days.
Plus buybacks, unusual options and fund positions, each dated to when it became public.
No open-market insider purchases were filed for AVTR in the last 90 days.
From Form 4 filings, dated to when each was filed.
No trades in AVTR were disclosed by members of Congress in the last 90 days.
From congressional disclosures, which report amounts as ranges.
Avantor has been buying back its own shares.
From company filings.
4of the funds Gekko tracks hold AVTR.
Avantor reports on Nov 4, 2026, before the open (36 days away), and beat the EPS estimate in 5 of its last 8 reports.
Nov 4, 2026
Expected before the open, 36 days away
| Reported | EPS | Revenue | Move |
|---|---|---|---|
| Jul 29, 2026 | $0.21 est $0.19 | $1.69B est $1.61B | +11.6% |
| Apr 29, 2026 | $0.17 est $0.16 | $1.58B est $1.54B | +3.1% |
| Feb 11, 2026 | $0.22 est $0.21 | $1.66B est $1.64B | −18.1% |
| Oct 29, 2025 | $0.22 est $0.22 | $1.62B est $1.65B | −26.7% |
| Aug 1, 2025 | $0.24 est $0.25 | $1.68B est $1.65B | −15.9% |
| Apr 25, 2025 | $0.23 est $0.23 | $1.58B est $1.61B | −19.4% |
| Feb 7, 2025 | $0.27 est $0.25 | $1.69B est $1.66B | −12.4% |
| Oct 25, 2024 | $0.26 est $0.25 | $1.71B est $1.72B | −2.7% |
“Move” is the close of the first session after the report compared with the close of the last session before it, so it reads the same whether the company reported before the open or after the close.
Analysts’ average 12-month price target for Avantor is $14.66, −4.1% from the last close, from 13 firms rating the stock in the last 90 days.
Each firm’s latest rating in the last 90 days: 13 firms.
| Date | Firm | Target | vs price |
|---|---|---|---|
| Sep 25 | Bernstein | $15.50 | +1.4% |
| Sep 21 | William Blair | — | — |
| Sep 21 | Wells Fargo | $16 | +4.6% |
| Sep 9 | UBS | $16 | +4.6% |
| Sep 9 | Bernstein | $15.50 | +1.4% |
Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.
Over the next 20 trading days from Sep 26, Avantor averaged +1.3% across the last 5 years, rising in 1 of them.
| Window | Average | Years higher |
|---|---|---|
| Next 5 trading days | +2.6% | 1 of 5 |
| Next 10 trading days | +0.4% | 1 of 5 |
| Next 15 trading days | +3.0% | 2 of 5 |
| Next 20 trading days | +1.3% | 1 of 5 |
| Next 30 trading days | −7.2% | 0 of 5 |
For scale, AVTR’s typical 20-trading-day move in either direction is about 6.1%.
Avantor’s market cap is $10.34B and revenue of $6.56B over the last twelve months.
Coverage of Avantor this week reads positive: 5 positive, 3 neutral and 0 negative headlines.
Avantor’s 6 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.
| Stock | GekkoIndex zone | vs Fair Value |
|---|---|---|
| TMOThermo Fisher Scientific | Distribution | 23.7% above |
| ABTAbbott Laboratories | Accumulation | 15.0% below |
| DHRDanaher | Distribution | 10.2% above |
| ISRGIntuitive Surgical | Neutral | 17.0% above |
| MDTMedtronic | Accumulation | 24.1% below |
| SYKStryker | Accumulation | 14.1% below |
A peer links to its own page where one exists.
Avantor’s market cap is $10.34B at the Sep 28, 2026 close of $15.29, with 676.4M shares outstanding.
The consensus analyst 12-month price target for Avantor is $14.66, −4.1% from the last close. Of the 13 firms that rated the stock in the last 90 days, 1 rate it a buy, 12 a hold and 0 a sell. Gekko doesn’t publish price predictions of its own.
On Gekko’s estimate Avantor is undervalued: the Sep 28, 2026 close of $15.29 is 5.0% below Gekko Fair Value of $16.09. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.
Avantor is expected to report on Nov 4, 2026, before the market opens (36 days away). Analysts expect earnings of $0.21 per share on revenue of $1.64B. Avantor beat the earnings estimate in 5 of its last 8 reports, moving 13.7% on average across the report.
Avantor’s 52-week high is $16.05 and its 52-week low is $7.27; it closed at $15.29 on Sep 28, 2026, +29.8% over the past year. Over the last five years the shares peaked at $42.48 on Dec 31, 2021.
Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 3 of the 5 items with data read as supportive (trend, fair value and earnings risk), 2 as mixed (gekkoindex and seasonality). The checklist is a description of current data, not a recommendation.
During US trading hours the price at the top of the page is a delayed quote, refreshed every 15 minutes; everything else is rebuilt after each US market close. The GekkoIndex, Gekko Fair Value and the checklist are Gekko’s own, and the Gekko Brief is written by AI from this page’s data and checked against it before it is published. How Gekko’s data works →
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