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

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. Springer32.26%6,024,338$136.36MInsider
Bruce Booth29.82%5,567,289$126.02MInsider
Braden Michael Leonard26.27%4,905,068$111.03MInsider
Atlas Venture Fund X LP25.47%4,756,478$107.66MInsider
Clarus Lifesciences III LP23.80%4,443,487$100.58MInsider
Atlas Venture Associates X LP19.87%3,710,052$83.98MInsider
Scott Requadt15.86%2,962,325$67.05MInsider
Blackstone Holdings II LP15.86%2,962,325$67.05MInsider
Fmr LLC14.99%2,799,400$63.36MInstitution
Deep Track Capital LP7.51%1,401,938$31.73MInstitution

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TECX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TECX22.23%77.77%Net BuyingNet Selling
SVRA39.63%60.37%Net BuyingNet Buying
LXRX22.32%77.68%Net Selling
RGNX76.84%23.16%Net SellingNet Selling
FULC60.81%39.19%Net SellingNet Selling

Tectonic Therapeutic Stock Ownership FAQ

Who owns Tectonic Therapeutic?

Tectonic Therapeutic (NASDAQ: TECX) is owned by 59.06% institutional shareholders, 206.55% Tectonic Therapeutic insiders, and 0.00% retail investors. Timothy A. Springer is the largest individual Tectonic Therapeutic shareholder, owning 6.02M shares representing 32.26% of the company. Timothy A. Springer's Tectonic Therapeutic shares are currently valued at $139.28M.

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