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
Timothy A. SpringerDirector2025-04-1153,706$16.31
$875.94kBuy
Timothy A. SpringerDirector2025-04-119,478$16.31
$154.59kBuy
Timothy A. SpringerDirector2025-04-1045,858$16.73
$767.20kBuy
Timothy A. SpringerDirector2025-04-108,092$16.73
$135.38kBuy
Timothy A. SpringerDirector2025-04-092,861$14.62
$41.83kBuy
Timothy A. SpringerDirector2025-04-094,856$15.23
$73.96kBuy
Timothy A. SpringerDirector2025-04-0916,215$14.62
$237.06kBuy
Timothy A. SpringerDirector2025-04-09857$15.23
$13.05kBuy
Terrance McGuireDirector2025-04-07500,000$17.10
$8.55MSell
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. Springer32.28%6,024,338$121.57MInsider
Bruce Booth29.83%5,567,289$112.35MInsider
Braden Michael Leonard26.28%4,905,068$98.98MInsider
Atlas Venture Fund X LP25.49%4,756,478$95.99MInsider
Clarus Lifesciences III LP23.81%4,443,487$89.67MInsider
Atlas Venture Associates X LP19.88%3,710,052$74.87MInsider
Scott Requadt15.87%2,962,325$59.78MInsider
Blackstone Holdings II LP15.87%2,962,325$59.78MInsider
Fmr LLC8.12%1,516,335$30.60MInstitution
Vida Ventures Advisors LLC5.51%1,028,674$20.76MInstitution

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TECX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TECX16.62%83.38%Net BuyingNet Buying
TSHA81.51%15.27%Net BuyingNet Selling
SANA52.63%47.37%Net SellingNet Selling
MAZE0.00%18.22%
ABSI58.01%38.90%Net SellingNet Selling

Tectonic Therapeutic Stock Ownership FAQ

Who owns Tectonic Therapeutic?

Tectonic Therapeutic (NASDAQ: TECX) is owned by 41.19% institutional shareholders, 206.67% Tectonic Therapeutic insiders, and 0.00% retail investors. Timothy A. Springer is the largest individual Tectonic Therapeutic shareholder, owning 6.02M shares representing 32.28% of the company. Timothy A. Springer's Tectonic Therapeutic shares are currently valued at $121.84M.

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