| UNITED STATES | 
| SECURITIES AND EXCHANGE COMMISSION | 
| Washington, D.C. 20549 | 
| Notice of Effectiveness | 
| Effectiveness Date: | 
July 8,
					  2025   | 
| Accession Number: | 
0001193125-25-156209 | 
| Submission Type: | 
POS AM | 
| CIK: | 
0001681087 | 
 
| Company Name: | 
Tectonic Therapeutic, Inc. | 
 
| File Number: | 
333-280909 | 
 
  |