So, doing a cursory look, ... it appears that Foundry and Antpool dropped the most,  F2Pool and Binance gained.

BTCMiner

The source of those weekly snapshots is the feed from Tilipani81, either from Twitter:

https://twitter.com/tulipan81/status/1549982503058001920
https://nitter.it/tulipan81

or Mastodon: 

https://bitcoinhackers.org/@Tulipan81/108604293409686877

Which are saved from the real-time dashboard: 

http://vaccaro.network:3838/bitcoin/


I don't know of a chart that shows the change in hashrate per pool, ovJlyer time.  But there are snapshots saved that might help tell the story.

Be aware that the color of the pool is not consistent from one time period to the next.

bitcoin

📉 Bitcoin Mining Difficulty decreases 5.01%, to 27.69t

I don't know of a chart that shows the change in hashrate per pool, ovJlyer time.  But there are snapshots saved that might help tell the story. 


Be aware that the color of the pool is not consistent from one time period to the next.

![Hashrate per pool July 15 - 21](https://i.postimg.cc/VfV8qpm0/ce7cdda3c96b1eea.png)
July 15 - 21

![Hashrate per pool July 8 - 14](https://i.postimg.cc/Vw3ZtzcB/affaf524d0d1f0af.png)
July 8 - 14

![Hashrate per pool July 1 - 7](https://i.postimg.cc/cJ3QFPP1/7eb386444933b8b2.png)
July 1 - 7