Tectonic Therapeutic, Inc. short interest in 2026

In 2026, Tectonic Therapeutic, Inc.'s disclosed short interest ran from 21.25% of shares outstanding on 15 Jan 2026 to 11.35% on 15 Sep 2026, a change of -9.90 percentage points. The year's high was 21.25% on 15 Jan 2026 and its low 8.83% on 14 Aug 2026, averaging 13.51% across 17 twice-monthly settlement dates. FINRA's days-to-cover figure peaked at 18.07 days on 15 Jan 2026. Full history: Tectonic Therapeutic, Inc..

Cite this page

Plain

Short position data for Tectonic Therapeutic, Inc. short interest in 2026: FINRA, compiled by howshorted.com, settlement date 15 Sep 2026. https://howshorted.com/us/company/tecx/2026/

Wikipedia

<ref>{{cite web |title=Tectonic Therapeutic, Inc. short interest in 2026 short position data |url=https://howshorted.com/us/company/tecx/2026/ |website=HowShorted |publisher=howshorted.com (data: FINRA) |date=2026-09-15 |access-date=2026-10-13}}</ref>

BibTeX

@misc{howshorted-tectonic-therapeutic-inc-short-interest--2026-09-15,
  title        = {Tectonic Therapeutic, Inc. short interest in 2026 short position data},
  author       = {{HowShorted}},
  howpublished = {\url{https://howshorted.com/us/company/tecx/2026/}},
  note         = {Data: FINRA, settlement date 15 Sep 2026; accessed 2026-10-13},
  year         = {2026}
}

By year: 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026

2026 in figures

Start of year: 21.25% (15 Jan 2026)
End of year: 11.35% (15 Sep 2026)
Change: -9.90 pp
High: 21.25% (15 Jan 2026)
Low: 8.83% (14 Aug 2026)
Average: 13.51%
Highest days to cover: 18.07 (15 Jan 2026)
SEC filings marked: 6

Every report in 2026

Tectonic Therapeutic, Inc. short interest in 2026
Settlement	Short interest	Days to cover	Filings since previous
15 Jan 2026	21.25%	18.07
30 Jan 2026	20.14%	16.36
13 Feb 2026	19.53%	4.41
27 Feb 2026	16.52%	10.81	10-K filed, results (8-K)
13 Mar 2026	14.93%	5.99
31 Mar 2026	12.90%	12.64
15 Apr 2026	12.96%	13.55
30 Apr 2026	13.11%	10.89
15 May 2026	13.84%	10.23	10-Q filed, results (8-K)
29 May 2026	12.41%	10.59
15 Jun 2026	11.41%	16.65
30 Jun 2026	11.32%	14.31
15 Jul 2026	10.26%	7.58
31 Jul 2026	9.03%	10.76
14 Aug 2026	8.83%	8.43	10-Q filed, results (8-K)
31 Aug 2026	9.94%	7.59
15 Sep 2026	11.35%	13.01

About this data

US short interest data: FINRA (finra.org), shown as reported shares short divided by SEC-reported shares outstanding for each settlement date. FINRA® is a registered trademark of the Financial Industry Regulatory Authority, Inc. This site is not affiliated with or endorsed by FINRA or the SEC; displayed for personal reference, bulk redistribution is not permitted (see terms). Nothing here is investment advice. Method: methodology.