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NASDAQ: TECX
Tectonic Therapeutic Inc Stock Ownership - Who owns Tectonic Therapeutic?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Tectonic Therapeutic Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Alise ReicinChief Executive Officer2025-06-20859$19.81
$17.02kSell
Timothy A. SpringerDirector2025-04-1153,706$16.31
$875.94kBuy
Timothy A. SpringerDirector2025-04-119,478$16.31
$154.59kBuy
Timothy A. SpringerDirector2025-04-108,092$16.73
$135.38kBuy
Timothy A. SpringerDirector2025-04-1045,858$16.73
$767.20kBuy
Timothy A. SpringerDirector2025-04-0916,215$14.62
$237.06kBuy
Timothy A. SpringerDirector2025-04-094,856$15.23
$73.96kBuy
Timothy A. SpringerDirector2025-04-09857$15.23
$13.05kBuy
Timothy A. SpringerDirector2025-04-092,861$14.62
$41.83kBuy
Timothy A. SpringerDirector2025-04-0787,500$17.10
$1.50MBuy

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Net Insider Buy/Sell (L12M) Ownership

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TECX Shareholders

What type of owners hold Tectonic Therapeutic Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Timothy A. Springer32.19%6,024,338$154.04MInsider
Bruce Booth29.75%5,567,289$142.36MInsider
Braden Michael Leonard26.21%4,905,068$125.42MInsider
Atlas Venture Fund X LP25.42%4,756,478$121.62MInsider
Clarus Lifesciences III LP23.75%4,443,487$113.62MInsider
Atlas Venture Associates X LP19.83%3,710,052$94.87MInsider
Scott Requadt15.83%2,962,325$75.75MInsider
Blackstone Holdings II LP15.83%2,962,325$75.75MInsider
Fmr LLC14.97%2,800,876$71.62MInstitution
Deep Track Capital LP7.49%1,401,938$35.85MInstitution

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TECX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TECX23.90%76.10%Net BuyingNet Selling
KOD67.70%32.30%Net SellingNet Selling
ATYR74.54%17.28%Net Buying
CMPX72.63%27.37%Net Selling
ALMS75.27%24.28%Net Buying
View Top Biotech Stocks

Tectonic Therapeutic Stock Ownership FAQ

Who owns Tectonic Therapeutic?

Tectonic Therapeutic (NASDAQ: TECX) is owned by 64.73% institutional shareholders, 206.11% Tectonic Therapeutic insiders, and 0.00% retail investors. Timothy A. Springer is the largest individual Tectonic Therapeutic shareholder, owning 6.02M shares representing 32.19% of the company. Timothy A. Springer's Tectonic Therapeutic shares are currently valued at $153.86M.

If you're new to stock investing, here's how to buy Tectonic Therapeutic stock.
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