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Genentech engagement report

@genentech - 123K followers on X

Measured over 10 original posts from a 30-day window, last computed on October 4, 2026.

Engagement

Bottom quarter for its size
Per follower
0.008%
of 123K followers
Per impression
0.346%
2.9K views on a typical post
Reach
2.35%
of its followers see a post
Typical post
10
interactions (median)
Saved
0.052%
2 bookmarks on a typical post
Posting rate
0.33/day
active 27% of days
Peak time
05:00 UTC
Thursday

A typical post picks up 10 interactions against 123K followers, an engagement rate of 0.008%. Measured over 10 original posts, its engagement rate beats 18% of 20,183 tracked accounts of a similar size. That is a reason to look at how the audience behaves - reply depth, saves, whether the followers are recent - rather than a conclusion about it on its own. Posts are seen about 2.9K times each, and 0.346% of those impressions turn into an interaction. That is about 2.35% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.33 posts a day over the last 30 days, though only 27% of days saw any activity at all. Most posts go out around 05:00 UTC, and Thursday is the busiest day of the week. Of the 10 posts sampled, 70% carry an image or video and 100% link out. The account's strongest tracked post pulled 28 interactions, about 2.8x its own typical post. Recurring topics include #breaking, #breastcancer, #euretina26.

Measured over 10 original posts from a 30-day window, last computed on October 4, 2026. Recurring tags: #breaking, #breastcancer, #euretina26.

Compared with accounts its own size

Genentech's engagement rate beats 18% of the tracked X accounts closest to it in follower count (20,183 accounts, accounts of similar size (decile 8 of 10)). A percentile is spread evenly by construction, so 50 really is the middle of that group and 90 really is its top tenth.

On engagement per impression rather than per follower it beats 18% of the same group. When those two numbers disagree, the gap is about how far its posts travel rather than how people react to them.

Where this sits in the catalog

At 0.008%, Genentech sits above the 10th percentile of the 202,175 accounts in this comparison. That places it in the bottom 25% band, which runs below 0.024%.

p100.004%
p250.024%
p50 (median)0.142%
p750.672%
p902.54%
p9982.5%
Engagement rate as a share of followers, across the 202,175 accounts we have scanned enough to measure. The axis is logarithmic, because the top and bottom of this population are about 22,928 times apart and a linear axis would flatten everything below the median into a single point.
Show the percentile table
Engagement rate percentiles
PercentileEngagement rate
10th percentile0.004%
25th percentile0.024%
50th percentile0.142%
75th percentile0.672%
90th percentile2.54%
99th percentile82.5%

This ruler is the whole measured catalog, not a size-matched group: it shows where the raw rate falls across every account we can measure, all of which are large. For a like-for-like comparison, read the size-band percentile above instead. See how the bands are built

Posting timing

This account posts most often around 05:00 UTC, and Thursday is its busiest day of the week. The bars below are the catalog-wide pattern, with this account's own busiest slot marked. They do not show how this account performs at each hour: we keep one aggregate per account, not one per hour, so that measurement does not exist in our data.

Engagement by hour posted, UTCTwenty-four bars, one per UTC hour. Each bar shows how posts published in that hour compare with their own authors' median engagement. Bars above the centre line ran higher than the median, bars below ran lower. A marker flags Busiest hour: 05:00 UTC.
0003060912151821
Above the authors' own mediansBelowScale: plus or minus 111%Busiest hour: 05:00 UTC
Show engagement by hour posted, utc as a table
Engagement by hour posted, UTC
Hour (UTC)Vs author medianPosts
00:00 UTC-1%89K
01:00 UTC-2%90K
02:00 UTC-3%88K
03:00 UTC-4%94K
04:00 UTC-5%76K
05:00 UTC-4%75K
06:00 UTC-5%86K
07:00 UTC-5%93K
08:00 UTC-4%108K
09:00 UTC-4%124K
10:00 UTC-3%129K
11:00 UTC-3%141K
12:00 UTC-3%154K
13:00 UTC-3%167K
14:00 UTC-4%173K
15:00 UTC-2%176K
16:00 UTC-3%171K
17:00 UTC-3%159K
18:00 UTC-2%149K
19:00 UTC-2%141K
20:00 UTC-1%131K
21:00 UTC0%116K
22:00 UTC-2%100K
23:00 UTC-1%90K
Engagement by day of weekSeven bars, one per weekday, Sunday first. Each bar shows how posts published on that day compare with their own authors' median engagement. Bars above the centre line ran higher than the median, bars below ran lower. A marker flags Busiest day: Thursday.
SunMonTueWedThuFriSat
Above the authors' own mediansBelowScale: plus or minus 111%Busiest day: Thursday
Show engagement by day of week as a table
Engagement by day of week
DayVs author medianPosts
Sunday+5%393K
Monday+1%483K
Tuesday-2%520K
Wednesday-3%472K
Thursday-2%430K
Friday-3%447K
Saturday+2%393K
See what moves engagement across the whole catalogWhat counts as a good engagement rate at this size

Formats this account uses

Its own posting mix on the left, and what each of those formats does across every account we track on the right. Only formats where the effect clears our publish test appear here, so an empty row is a format we could not measure rather than one that does nothing.

This account's posting mix compared with catalog-wide effects
FormatThis accountCatalog effect95% intervalAccounts behind it
Image or video70% of posts+111%+108% to +115%34K
Outbound link100% of posts-41%-42% to -40%32K
Typical length-no effect-2% to -1%42K
  • 70% of this account's sampled posts carry an image or video. Across the catalog, posts with an image or video run 111% above the same accounts' other posts.
  • 100% of its posts carry a link off X. Across the catalog, posts with an outbound link run 41% below the same accounts' other posts, so a large share of this account's output sits in the weakest bucket we measure.
  • Its average post runs 238 characters, which falls in the 180 - 280 characters band. Across the catalog, posts of 180 to 280 characters match the same accounts' other posts almost exactly.

These are catalog-wide differences applied to this account's own posting mix, not a measurement of how each format performs for this account specifically. We keep one median per account, not one per format per account, so the second thing is not something this data can tell you.

Best tweets

  • Aug 25, 20252.8x their median

    Today we broke ground on our new $700M facility in Holly Springs, NC—Genentech’s first East Coast site. This 700K-sq-ft hub will support next-gen metabolic medicines and create 1,900+ jobs, strengthening U.S. innovation in biotech. https://t.co/3sP0EHBJPD https://t.co/aWtnYV3Klz

    195223.8K viewsView on X
  • Sep 17, 20262.5x their median

    We’re investing in the science, infrastructure, and talent powering U.S. biotech leadership. Today, we opened the Roche Genentech Innovation Center Boston, a new hub tackling cardiovascular, renal, and metabolic (CVRM) diseases with AI and data: https://t.co/2T7Aj7AGRr

    213104.0K viewsView on X
  • Sep 10, 20262.5x their median

    #Breaking: The @US_FDA has granted priority review for the first potential treatment for myelin oligodendrocyte glycoprotein antibody-associated disease (#MOGAD). Learn more: https://t.co/HkPGt2QHNn https://t.co/ypRL8KxoVg

    177104.3K viewsView on X
  • Jan 20, 20262.1x their median

    #Breaking: Today, we announced an expansion of our investment in Holly Springs, NC, to approximately $2B. This investment supports the production of next-generation medicines for metabolic disorders, including obesity. We’re proud to be part of North Carolina’s growing biotech ecosystem. https://t.co/gkCrd6Wxjf

    117123.1K viewsView on X
  • Nov 10, 20252.1x their median

    #Breaking: Today we announced positive Phase III clinical results of our investigational BTK inhibitor in primary progressive multiple sclerosis (PPMS) and relapsing multiple sclerosis (RMS). Learn more: https://t.co/jg6JwrzrNl

    126212.5K viewsView on X
  • Jul 2, 20261.7x their median

    #Breaking: New positive Phase III results demonstrate superiority of an investigational molecule over standard-of-care KRAS G12C inhibitors in the first global head-to-head study in KRAS G12C-mutant non-small cell lung cancer: https://t.co/Bsxy2BeZ51 https://t.co/rtrg18njSj

    114116.5K viewsView on X
  • Aug 30, 20251.6x their median

    #Breaking: Today we announced the decision to initiate a Phase III trial evaluating our investigational RNAi therapy for people with #hypertension, which is informed by Phase II data we presented at #ESC2025. Discover how we are committed to advancing cardiovascular care: https://t.co/L7jzn4LWXM

    141102.6K viewsView on X
  • Jul 15, 20261.5x their median

    #Breaking: The @US_FDA granted priority review to our treatment for primary membranous nephropathy (pMN), a chronic, idiopathic kidney condition. If approved, it would be the first FDA-approved therapy specifically indicated to treat this disease. Read more: https://t.co/xj3QJELzN9

    114002.8K viewsView on X
  • Mar 6, 20261.5x their median

    #Breaking: Today meaningful data from our Phase III study in systemic lupus erythematosus was published in @NEJM. Learn more: https://t.co/SOuSuH4695 https://t.co/On85VbwZ6q

    101402.5K viewsView on X
  • Dec 10, 20251.5x their median

    #Breaking: At #SABCS25, we’re presenting transformational data from our positive Phase III study for people with ER+, HER2-, early-stage breast cancer. Learn more: https://t.co/LbAHuNz0YC https://t.co/k5D2wsthg9

    94201.7K viewsView on X

Ranked by total interactions across everything we have tracked for this account, which is a longer history than the 30-day window the rates above use. The multiple compares each post to this account's own median.

Recurring topics

#breaking#breastcancer#euretina26#mogad#obesity

The most frequent hashtags in the sampled posts. They describe what this account writes about; they are not a performance signal, and the catalog-wide breakdown on the hub shows how little hashtag count moves.

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Reading these numbers

A typical post picks up 10 interactions against 123K followers, an engagement rate of 0.008%. Measured over 10 original posts, its engagement rate beats 18% of 20,183 tracked accounts of a similar size. That is a reason to look at how the audience behaves - reply depth, saves, whether the followers are recent - rather than a conclusion about it on its own. Posts are seen about 2.9K times each, and 0.346% of those impressions turn into an interaction. That is about 2.35% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.33 posts a day over the last 30 days, though only 27% of days saw any activity at all. Most posts go out around 05:00 UTC, and Thursday is the busiest day of the week. Of the 10 posts sampled, 70% carry an image or video and 100% link out. The account's strongest tracked post pulled 28 interactions, about 2.8x its own typical post. Recurring topics include #breaking, #breastcancer, #euretina26.

What is Genentech's engagement rate on X?
Genentech (@genentech) has an engagement rate of 0.008%, based on the median interactions across 10 original posts from the last 30 days against 123,038 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
Is that a good engagement rate?
At 0.008%, Genentech sits above the 10th percentile of the 202,175 accounts in this comparison. Those comparison accounts are all large ones, because our scanning cadence is weighted towards big accounts, so this is a ranking among peers of similar scale rather than a ranking across X.
Does @genentech have real engagement?
Its engagement rate beats 18% of the tracked X accounts closest to it in follower count (20,183 accounts), which puts it in the bottom quarter for its size group. Ranking inside a size band matters because engagement rate falls as accounts grow, so a raw rate would mostly re-measure the follower count. It is a starting point for a look at follower quality, not a verdict on it.
When does @genentech post?
Most posts go out around 05:00 UTC, and Thursday is its busiest day, at roughly 0.33 posts per day across the measured window.

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