Gustaf Alströmer ✓

@gustaf · San Francisco · joined 17 Jul 2006

general partner @ycombinator. previously product @airbnb

36 542Followers

5 595Following

12 335Posts total

5.4MViews on collected posts

Latest posts

Gustaf Alströmer ✓@gustaf8 Sep

Legora is growing 10x year over year after passing $100M ARR earlier this spring. 🔥 18.7K views · 199 likes · 8 reposts · 13 replies Open on X →

Gustaf Alströmer ✓@gustaf3 Sep

Elon's 2012 MIT dream of electric aviation is coming to life. The Heart team comes from SpaceX and Tesla, so they learned from you. https://t.co/vS0TFb0lGM 46.7K views · 230 likes · 16 reposts · 7 replies Open on X →

Gustaf Alströmer ✓@gustaf3 Sep

I’m so glad this is being done! An important next step is making it autonomous. 4.9M views · 31.4K likes · 3.4K reposts · 1.5K replies Open on X →

Gustaf Alströmer ✓@gustaf1 Sep

A few weeks ago, I visited @HeartAerospace in LA to record an interview with their CEO and Co-founder Anders ahead of its first flight. Heart is building the future of aviation. https://t.co/FoZFBD25MY

14:48

12.5K views · 98 likes · 7 reposts · 9 replies Open on X →

Gustaf Alströmer ✓@gustaf31 Aug

Circleback is now free. Circleback was the fastest growing product in their YC batch and have an enormous internal adoption among YC companies today. @ycombinator @circlebackai 56.2K views · 128 likes · 11 reposts · 13 replies Open on X →

Gustaf Alströmer ✓@gustaf31 Aug

3 big Circleback updates this month: • a free plan with unlimited meetings • import your past meetings from other apps • an API for all your Circleback data here's what's new from our team retreat on a ranch https://t.co/9rkyimTde4

1:33

306.7K views · 380 likes · 19 reposts · 43 replies Open on X →

Gustaf Alströmer ✓@gustaf28 Aug

Aviation Week August 2026 https://t.co/4C01zC1uph

1.4K views · 9 likes · 0 reposts · 0 replies Open on X →

Gustaf Alströmer ✓@gustaf13 Aug

@gustaf @heartaerospace Super cool 386 views · 4 likes · 0 reposts · 0 replies Open on X →

Gustaf Alströmer ✓@gustaf13 Aug

As we say in Sweden, Nu jävlar lyfter vi! 🇸🇪 646 views · 15 likes · 0 reposts · 0 replies Open on X →

Gustaf Alströmer ✓@gustaf13 Aug

With a 106-foot wingspan and takeoff weight exceeding 25,000 pounds, X1 became the largest battery-electric aircraft ever flown. X1 is a full-scale demonstrator representative of Heart’s ES-30 production aircraft. Powered entirely by batteries, X1 used approximately $5 of 1K views · 12 likes · 1 reposts · 1 replies Open on X →

Gustaf Alströmer ✓@gustaf13 Aug

It was a very special moment for them, for the aerospace industry and for everyone working for a more sustainable aviation industry. I've been so lucky to be involved from the very beginning talking walks with CEO and Co-founder Anders Forslund around SF trying to figure out how 1.6K views · 15 likes · 1 reposts · 1 replies Open on X →

Gustaf Alströmer ✓@gustaf13 Aug

On August 12, @heartaerospace flew the world’s largest electric aircraft. https://t.co/gTmxbyjvX8 131.2K views · 170 likes · 24 reposts · 9 replies Open on X →

Against accounts of the same size

12 posts from the last 90 days, next to the 10K–100K follower range. shown widely, but few of those viewers react.

Median views15 622this account1 070median for 10K–100K

Reach, %42.75%this account3.77%median for 10K–100K

Engagement, %0.85%this account1.65%median for 10K–100K

Metric	This account	Median for 10K–100K	Ratio
Median views per post	15 622	1 070	14.6×
Reach (views ÷ followers)	42.75%	3.77%	11.3×
Engagement rate	0.85%	1.65%	0.52×

Others in this range → Compare with another account → How these benchmarks are built →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

131.2K13 Aug

1.6K

646

386

1.4K28 Aug

306.7K31 Aug

56.2K

12.5K1 Sep

4.9M3 Sep

46.7K

18.7K8 Sep

Last 12 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.17%13 Aug

1.05%

1.34%

2.32%

1.04%

0.64%28 Aug

0.15%31 Aug

0.27%

0.94%1 Sep

0.75%3 Sep

0.54%

1.19%8 Sep

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.65%.

What the audience does

Likes85.4%32 706 in total

Reposts9.2%3 533 in total

Replies4.3%1 643 in total

Quotes0.6%248 in total

Bookmarks0.4%153 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

Followers by day

8 Sep

Daily snapshots since 08 Sep 2026; the dashed line is the starting count.

Latest posts

Against accounts of the same size

Growth & engagement

Views per post

Engagement rate per post

What the audience does

Followers by day

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