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Colossal Biosciences® engagement report

@colossal - 339K followers on X

Measured over 22 original posts from a 30-day window, last computed on September 3, 2026.

Engagement

Middle of its size range
Per follower
0.023%
of 339K followers
Per impression
0.643%
12K views on a typical post
Reach
3.62%
of its followers see a post
Typical post
79
interactions (median)
Saved
0.053%
6 bookmarks on a typical post
Posting rate
1.63/day
active 73% of days
Peak time
14:00 UTC
Tuesday

A typical post picks up 79 interactions against 339K followers, an engagement rate of 0.023%. Measured over 22 original posts, its engagement rate beats 39% of 6,874 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 12K times each, and 0.643% of those impressions turn into an interaction. That is about 3.62% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.6 posts a day over the last 30 days, with activity on roughly 73% of days. Most posts go out around 14:00 UTC, and Tuesday is the busiest day of the week. Of the 22 posts sampled, 100% carry an image or video and 14% are part of a thread. The account's strongest tracked post pulled 625 interactions, about 7.9x its own typical post.

Measured over 22 original posts from a 30-day window, last computed on September 3, 2026.

Compared with accounts its own size

Colossal Biosciences®'s engagement rate beats 39% of the tracked X accounts closest to it in follower count (6,874 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 36% 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 0.023%, Colossal Biosciences® sits above the 25th percentile of the 66,128 accounts in this comparison. That places it in the below the median band, which runs 0.016% to 0.1%.

p100.002%
p250.016%
p50 (median)0.1%
p750.499%
p902.09%
p99119.9%
Engagement rate as a share of followers, across the 66,128 accounts we have scanned enough to measure. The axis is logarithmic, because the top and bottom of this population are about 57,111 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 percentile0.002%
25th percentile0.016%
50th percentile0.1%
75th percentile0.499%
90th percentile2.09%
99th percentile119.9%

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 14:00 UTC, and Tuesday 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: 14:00 UTC.
0003060912151821
Above the authors' own mediansBelowScale: plus or minus 111%Busiest hour: 14:00 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: Tuesday.
SunMonTueWedThuFriSat
Above the authors' own mediansBelowScale: plus or minus 111%Busiest day: Tuesday
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 video100% of posts+111%+108% to +115%34K
Outbound link0% of posts-41%-42% to -40%32K
Typical length-no effect-2% to -1%42K
  • 100% 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.
  • 0% of its posts carry a link off X. Across the catalog, posts with an outbound link run 41% below the same accounts' other posts.
  • Its average post runs 268 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 26, 20267.9x their median

    Khaleesi the dire wolf needs absolutely no help making a splash. Follow her lead. Summer won’t last forever. (1/3) https://t.co/d7mnybDum7

    5682823628K viewsView on X
  • Jul 24, 20263.2x their median

    Meet the bluebuck, Africa’s lost blue antelope. For the first time ever, its story is being told. 🎥 Drops July 29 at 12 p.m. ET (UTC-4) on YouTube, with a Colossal scientist live to answer your questions. https://t.co/vtgXV4LRep

    23595415K viewsView on X
  • Jul 16, 20262.6x their median

    That look back is just too good. 👀 When Khaleesi first started meeting her brothers, she used this pile of logs as a buffer zone. She could slip underneath it, but they were too big to follow. She may be all wolf, but she’s no fool. (1/5) https://t.co/Rc1DDP9ptj

    180188217K viewsView on X
  • Aug 3, 20262.5x their median

    👻 Two Red "Ghost" Wolves spotted playing on a Texas beach. These canids carry ancestral Red Wolf DNA once thought lost, offering new hope for restoring genetic diversity to the American Red Wolf. Last year, we cloned the first: Neka Kayda. 🎥 Josh Henderson (1/2) https://t.co/WlRm7kLP9C

    181124216K viewsView on X
  • Jul 31, 20262.4x their median

    Sometimes you can almost hear the dire wolves thinking. https://t.co/ixXD4wVlSk

    160179115K viewsView on X
  • Aug 12, 20262.1x their median

    🐘 The world’s strongest nose can lift 770 lbs yet still pick up a tortilla chip. An elephant’s trunk is a muscular hydrostat, made of muscle and water. Guided by a special nerve, it helps them eat, drink, smell, trumpet, and touch with delicate precision. Now you nose. https://t.co/eKoTEwYn5i

    146175014K viewsView on X
  • Jul 29, 20262.0x their median

    DROPPING TODAY: The first video to reveal the bluebuck’s untold story. Meet Africa’s lost blue antelope, with a silvery coat that shimmered blue in the sun. 🎥 July 29 at 12 p.m. ET (UTC-4) on YT. 🧑‍🔬 Live Colossal scientist Q&A. https://t.co/R2tWilEunK

    109838011K viewsView on X
  • Aug 4, 20261.6x their median

    The oldest DNA we’ve found is around 1.5 million years old. Most of the DNA we work with is hundreds of thousands of years old. Dinosaurs disappeared around 65M years ago. So yeah, cloning one is extremely unlikely at this point. But we’re not saying never. Science stays weird🤘 https://t.co/mltqCF34e4

    103137213K viewsView on X
  • Jul 30, 20261.6x their median

    By day, this eastern quoll is brown with white spots. By night? A dizzying little dance dasyurid. Under UV light, parts of its fur glow through biofluorescence. We still don't know why. 📸 @benalldridge's stunning photos help shine a spotlight on this endangered marsupial. https://t.co/V8PI2gxVcX

    103136113K viewsView on X
  • Aug 27, 20261.5x their median

    🐦 The last time a sihek hunted in the wild, Die Hard was in theaters. Then it vanished. In 2024, nine zoo-born birds were released back into the wild. They hunted, established territories, and laid the first wild sihek eggs in nearly 40 years. The sequel is underway. (1/10) https://t.co/PFh3VM0QW1

    11093012K 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.

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Reading these numbers

A typical post picks up 79 interactions against 339K followers, an engagement rate of 0.023%. Measured over 22 original posts, its engagement rate beats 39% of 6,874 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 12K times each, and 0.643% of those impressions turn into an interaction. That is about 3.62% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.6 posts a day over the last 30 days, with activity on roughly 73% of days. Most posts go out around 14:00 UTC, and Tuesday is the busiest day of the week. Of the 22 posts sampled, 100% carry an image or video and 14% are part of a thread. The account's strongest tracked post pulled 625 interactions, about 7.9x its own typical post.

What is Colossal Biosciences®'s engagement rate on X?
Colossal Biosciences® (@colossal) has an engagement rate of 0.023%, based on the median interactions across 22 original posts from the last 30 days against 339,232 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
Is that a good engagement rate?
At 0.023%, Colossal Biosciences® sits above the 25th percentile of the 66,128 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 @colossal have real engagement?
Its engagement rate beats 39% of the tracked X accounts closest to it in follower count (6,874 accounts), which puts it in the middle of its size range 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 @colossal post?
Most posts go out around 14:00 UTC, and Tuesday is its busiest day, at roughly 1.63 posts per day across the measured window.

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