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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 Officer2025-12-3110,966$2.38
$26.10kBuy
Peter McNamaraChief Scientific Officer2025-12-227,000$2.98
$20.86kBuy
Alise ReicinChief Executive Officer2025-06-20859$19.81
$17.02kSell
Timothy A. SpringerDirector2025-04-119,478$16.31
$154.59kBuy
Timothy A. SpringerDirector2025-04-1153,706$16.31
$875.94kBuy
Timothy A. SpringerDirector2025-04-108,092$16.73
$135.38kBuy
Timothy A. SpringerDirector2025-04-1045,858$16.73
$767.20kBuy
Timothy A. SpringerDirector2025-04-09857$15.23
$13.05kBuy
Timothy A. SpringerDirector2025-04-092,861$14.62
$41.83kBuy
Timothy A. SpringerDirector2025-04-0916,215$14.62
$237.06kBuy

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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$138.20MInsider
Bruce Booth29.75%5,567,289$127.71MInsider
Braden Michael Leonard26.21%4,905,068$112.52MInsider
Atlas Venture Fund X LP25.41%4,756,478$109.11MInsider
Clarus Lifesciences III LP23.74%4,443,487$101.93MInsider
Atlas Venture Associates X LP19.82%3,710,052$85.11MInsider
Scott Requadt15.83%2,962,325$67.96MInsider
Blackstone Holdings II LP15.83%2,962,325$67.96MInsider
Fmr LLC15.00%2,806,781$64.39MInstitution
Blackrock Inc4.42%827,853$18.99MInstitution

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TECX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TECX23.86%76.14%Net BuyingNet Buying
CTNM59.89%9.23%Net SellingNet Selling
ABSI64.29%33.06%Net BuyingNet Selling
IVVD61.79%38.21%Net SellingNet Buying
OCGN14.70%10.84%
View Top Biotech Stocks

Tectonic Therapeutic Stock Ownership FAQ

Who owns Tectonic Therapeutic?

Tectonic Therapeutic (NASDAQ: TECX) is owned by 64.68% institutional shareholders, 206.44% 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 $139.89M.

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