Tectonic Therapeutic, Inc. (TECX)
Healthcare
Biotechnology
—
28.00 $
-1.7%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Tectonic Therapeutic, Inc. (TECX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 59.5% of the shares are freely tradable; institutional investors hold 74.2%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
74.2%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
39.3%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
59.5%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
24.0%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
19Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| FMR Inc | 14.94 | 2,816,494 | +0.3 | 03/31/2026 |
| TCG Crossover Management, LLC | 6.39 | 1,204,891 | +0.0 | 03/31/2026 |
| Aberdeen Group PLC | 6.06 | 1,141,824 | +0.0 | 03/31/2026 |
| BlackRock Inc | 4.56 | 860,352 | +0.7 | 03/31/2026 |
| BRAIDWELL LP | 4.49 | 847,151 | -8.7 | 03/31/2026 |
| First Light Asset Management, LLC | 3.44 | 647,743 | +0.0 | 03/31/2026 |
| Baker Bros Advisors LP | 3.22 | 607,788 | -32.7 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Fidelity Growth Compy Commingled Pl S | 6.03 | 1,136,086 | +2.1 | 04/30/2026 |
| abrdn Healthcare Investors | 4.09 | 770,940 | +0.0 | 05/31/2026 |
| Fidelity Growth Company Fund | 3.82 | 719,235 | +2.4 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.