TECX Insider Trading

Insider Ownership Percentage: 38.00%
Insider Buying (Last 12 Months): $8,955,655.40
Insider Selling (Last 12 Months): $0.00

Tectonic Therapeutic Insider Trading History Chart

This chart shows the insider buying and selling history at Tectonic Therapeutic by year and by quarter.

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Tectonic Therapeutic Share Price & Price History

Current Price: $20.98
Price Change: Price Increase of +0.76 (3.76%)
As of 12/4/2025 05:00 PM ET

This chart shows the closing price history over time for TECX up to the past year.

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Days: 30 | 90 | 365

Tectonic Therapeutic Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
4/11/2025Timothy A SpringerDirectorBuy9,478$16.31$154,586.184,334,846View SEC Filing Icon  
4/9/2025Timothy A SpringerDirectorBuy3,718$14.76$54,877.684,317,276View SEC Filing Icon  
4/7/2025Timothy A SpringerDirectorBuy87,500$17.10$1,496,250.004,313,558View SEC Filing Icon  
2/5/2025Daniel LochnerCFOBuy4,617$54.14$249,964.384,617View SEC Filing Icon  
2/5/2025Timothy A SpringerDirectorBuy129,294$54.14$6,999,977.164,226,058View SEC Filing Icon  
10/22/2024Timothy A SpringerDirectorBuy300,000$33.59$10,077,000.004,096,764View SEC Filing Icon  
9/26/2024Timothy A SpringerDirectorBuy50,000$28.82$1,441,000.003,796,764View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Tectonic Therapeutic (NASDAQ:TECX)

62.63% of Tectonic Therapeutic stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at TECX by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Tectonic Therapeutic Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/19/2025Caitong International Asset Management Co. Ltd3,966$62K0.0%+451.6%0.021%Search for SEC Filing on Google Icon
11/17/2025Woodline Partners LP200,000$3.14M0.0%-37.8%1.069%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC238,170$3.74M0.0%+218.0%1.273%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.5,134$81K0.0%-14.6%0.027%Search for SEC Filing on Google Icon
11/17/2025Jain Global LLC71,504$1.12M0.0%N/A0.382%Search for SEC Filing on Google Icon
11/17/2025Farallon Capital Management LLC640,000$10.04M0.0%-25.0%3.420%Search for SEC Filing on Google Icon
11/17/2025First Light Asset Management LLC202,393$3.18M0.3%N/A1.081%Search for SEC Filing on Google Icon
11/17/2025Citadel Advisors LLC298,388$4.68M0.0%+80.8%1.594%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE6,365$100K0.0%-8.0%0.034%Search for SEC Filing on Google Icon
11/17/2025Braidwell LP736,867$11.56M0.3%N/A3.937%Search for SEC Filing on Google Icon
11/17/2025Ally Bridge Group NY LLC138,595$2.18M1.3%-15.3%0.741%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.51,931$0.82M0.0%+141.0%0.277%Search for SEC Filing on Google Icon
11/14/2025ADAR1 Capital Management LLC56,007$0.88M0.1%-23.8%0.299%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC65,435$1.03M0.0%-23.4%0.350%Search for SEC Filing on Google Icon
11/14/2025Prosight Management LP379,254$5.95M1.4%-14.2%2.026%Search for SEC Filing on Google Icon
11/13/2025Kennedy Capital Management LLC208,776$3.28M0.1%N/A1.115%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG66,460$1.04M0.0%+94.1%0.355%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets2,422$38K0.0%-85.2%0.013%Search for SEC Filing on Google Icon
11/13/2025DLD Asset Management LP15,000$0.24M0.0%N/A0.080%Search for SEC Filing on Google Icon
11/10/2025Aldebaran Capital LLC38,502$0.60M0.6%-4.4%0.206%Search for SEC Filing on Google Icon
11/10/2025China Universal Asset Management Co. Ltd.6,880$0.11M0.0%+83.5%0.037%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.569,480$8.94M0.0%-2.6%3.044%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.5,924$93K0.0%-9.5%0.032%Search for SEC Filing on Google Icon
11/7/2025Aberdeen Group plc356,176$5.59M0.0%N/A1.904%Search for SEC Filing on Google Icon
11/3/2025AlphaQuest LLC7,299$0.12M0.0%+208.6%0.039%Search for SEC Filing on Google Icon
8/28/2025China Universal Asset Management Co. Ltd.3,750$75K0.0%+26.7%0.020%Search for SEC Filing on Google Icon
8/27/2025Squarepoint Ops LLC85,369$1.70M0.0%+61.4%0.456%Search for SEC Filing on Google Icon
8/15/2025Monimus Capital Management LP23,894$0.48M0.3%+29.4%0.128%Search for SEC Filing on Google Icon
8/15/2025BNP Paribas Financial Markets16,314$0.32M0.0%+528.4%0.087%Search for SEC Filing on Google Icon
8/15/2025Boothbay Fund Management LLC45,077$0.90M0.0%-43.3%0.241%Search for SEC Filing on Google Icon
8/15/2025Bridgeway Capital Management LLC12,383$0.25M0.0%-15.6%0.066%Search for SEC Filing on Google Icon
8/15/2025Bank of America Corp DE6,922$0.14M0.0%-89.5%0.037%Search for SEC Filing on Google Icon
8/14/2025Raymond James Financial Inc.21,544$0.43M0.0%+15.0%0.115%Search for SEC Filing on Google Icon
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.6,012$0.12M0.0%N/A0.032%Search for SEC Filing on Google Icon
8/14/2025TFG Asset Management GP Ltd228,832$4.55M0.7%+22.0%1.223%Search for SEC Filing on Google Icon
8/14/2025Squarepoint Ops LLC85,369$1.70M0.0%+61.4%0.456%Search for SEC Filing on Google Icon
8/14/2025Stempoint Capital LP40,000$0.80M0.3%N/A0.214%Search for SEC Filing on Google Icon
8/13/2025Marshall Wace LLP10,678$0.21M0.0%-80.0%0.057%Search for SEC Filing on Google Icon
8/13/2025New York State Common Retirement Fund5,000$99K0.0%N/A0.027%Search for SEC Filing on Google Icon
8/13/2025Virtus Investment Advisers LLC4,190$83K0.0%+18.3%0.022%Search for SEC Filing on Google Icon
8/12/2025Rhumbline Advisers15,975$0.32M0.0%+15,875.0%0.086%Search for SEC Filing on Google Icon
8/12/2025JPMorgan Chase & Co.6,548$0.13M0.0%+483.6%0.035%Search for SEC Filing on Google Icon
8/11/2025Knott David M Jr74,000$1.47M0.7%+85.0%0.396%Search for SEC Filing on Google Icon
8/8/2025Police & Firemen s Retirement System of New Jersey2,638$52K0.0%N/A0.014%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC272,257$5.41M0.0%+242.5%1.458%Search for SEC Filing on Google Icon
8/7/2025Monaco Asset Management SAM10,500$0.21M0.0%N/A0.056%Search for SEC Filing on Google Icon
8/7/2025Connor Clark & Lunn Investment Management Ltd.35,708$0.71M0.0%+3.1%0.191%Search for SEC Filing on Google Icon
7/31/2025AlphaQuest LLC2,365$47K0.0%+919.4%0.013%Search for SEC Filing on Google Icon
5/19/2025Jane Street Group LLC47,145$0.84M0.0%+58.7%0.252%Search for SEC Filing on Google Icon
5/16/2025Woodline Partners LP302,215$5.35M0.0%+132.3%1.618%Search for SEC Filing on Google Icon
5/16/2025Goldman Sachs Group Inc.104,793$1.86M0.0%+331.1%0.561%Search for SEC Filing on Google Icon
5/16/2025Millennium Management LLC237,938$4.21M0.0%+726.4%1.274%Search for SEC Filing on Google Icon
5/16/2025EcoR1 Capital LLC935,121$16.56M1.0%+10.1%5.008%Search for SEC Filing on Google Icon
5/16/2025Ally Bridge Group NY LLC132,222$2.34M2.1%N/A0.708%Search for SEC Filing on Google Icon
5/16/20255AM Venture Management LLC511,660$9.06M3.4%-14.2%2.740%Search for SEC Filing on Google Icon
5/16/2025Adage Capital Partners GP L.L.C.100,000$1.77M0.0%N/A0.536%Search for SEC Filing on Google Icon
5/16/2025ADAR1 Capital Management LLC62,603$1.11M0.2%+6.6%0.335%Search for SEC Filing on Google Icon
5/15/2025Baker BROS. Advisors LP100,000$1.77M0.0%N/A0.536%Search for SEC Filing on Google Icon
5/14/2025Jump Financial LLC21,126$0.37M0.0%N/A0.113%Search for SEC Filing on Google Icon
5/14/2025Wellington Management Group LLP19,660$0.35M0.0%N/A0.105%Search for SEC Filing on Google Icon
5/14/2025Cliffwater LLC15,369$0.27M0.1%N/A0.082%Search for SEC Filing on Google Icon
5/13/2025American Century Companies Inc.12,057$0.21M0.0%N/A0.065%Search for SEC Filing on Google Icon
5/12/2025Knott David M Jr40,000$0.71M0.3%N/A0.214%Search for SEC Filing on Google Icon
5/12/2025Connor Clark & Lunn Investment Management Ltd.34,645$0.61M0.0%+139.2%0.186%Search for SEC Filing on Google Icon
5/7/2025Windmill Hill Asset Management Ltd40,023$0.71M0.2%N/A0.214%Search for SEC Filing on Google Icon
5/6/2025Y Intercept Hong Kong Ltd13,212$0.23M0.0%N/A0.071%Search for SEC Filing on Google Icon
2/27/2025Jefferies Financial Group Inc.5,400$0.25M0.0%N/A0.037%Search for SEC Filing on Google Icon
2/17/2025Woodline Partners LP130,109$6.01M0.0%+98.8%0.882%Search for SEC Filing on Google Icon
2/17/2025Soleus Capital Management L.P.31,841$1.47M0.1%N/A0.216%Search for SEC Filing on Google Icon
2/17/2025Stempoint Capital LP9,434$0.44M0.1%N/A0.064%Search for SEC Filing on Google Icon
2/17/2025Paradigm Biocapital Advisors LP485,105$22.40M0.8%N/A3.288%Search for SEC Filing on Google Icon
2/17/2025OMERS ADMINISTRATION Corp9,600$0.44M0.0%N/A0.065%Search for SEC Filing on Google Icon
2/17/2025Millennium Management LLC28,793$1.33M0.0%N/A0.195%Search for SEC Filing on Google Icon
2/17/2025Jefferies Financial Group Inc.5,400$0.25M0.0%N/A0.037%Search for SEC Filing on Google Icon
2/17/2025Farallon Capital Management LLC713,050$32.92M0.2%+37.0%4.833%Search for SEC Filing on Google Icon
2/17/2025Fred Alger Management LLC10,057$0.46M0.0%N/A0.068%Search for SEC Filing on Google Icon
2/17/2025Bridgeway Capital Management LLC14,668$0.68M0.0%-28.0%0.099%Search for SEC Filing on Google Icon
2/17/2025Balyasny Asset Management L.P.247,000$11.40M0.0%+36.9%1.674%Search for SEC Filing on Google Icon
2/17/2025Ameriprise Financial Inc.7,516$0.35M0.0%N/A0.051%Search for SEC Filing on Google Icon
2/17/20255AM Venture Management LLC596,660$27.55M6.6%-7.7%4.045%Search for SEC Filing on Google Icon
2/17/2025683 Capital Management LLC14,027$0.65M0.0%N/A0.095%Search for SEC Filing on Google Icon
2/17/2025Acuta Capital Partners LLC33,008$1.52M1.5%+140.9%0.224%Search for SEC Filing on Google Icon
2/14/2025Jane Street Group LLC29,702$1.37M0.0%N/A0.201%Search for SEC Filing on Google Icon
2/14/2025Schonfeld Strategic Advisors LLC17,345$0.80M0.0%+15.6%0.118%Search for SEC Filing on Google Icon
2/14/2025Northern Trust Corp14,682$0.68M0.0%+52.2%0.100%Search for SEC Filing on Google Icon
2/14/2025Artia Global Partners LP16,650$0.77M0.3%N/A0.113%Search for SEC Filing on Google Icon
2/14/2025Boothbay Fund Management LLC41,307$1.91M0.0%-45.4%0.280%Search for SEC Filing on Google Icon
2/14/2025Virtus ETF Advisers LLC1,533$71K0.0%N/A0.010%Search for SEC Filing on Google Icon
2/14/2025Susquehanna International Group LLP166,452$7.69M0.0%+165.2%1.128%Search for SEC Filing on Google Icon
2/14/2025Dimensional Fund Advisors LP26,264$1.21M0.0%+10.1%0.178%Search for SEC Filing on Google Icon
2/13/2025EAM Investors LLC25,061$1.16M0.2%-4.3%0.170%Search for SEC Filing on Google Icon
2/13/2025Walleye Capital LLC73,517$3.39M0.0%+0.8%0.498%Search for SEC Filing on Google Icon
2/13/2025Barclays PLC15,974$0.74M0.0%+1,008.5%0.108%Search for SEC Filing on Google Icon
2/13/2025Raymond James Financial Inc.4,939$0.23M0.0%N/A0.033%Search for SEC Filing on Google Icon
2/13/2025Renaissance Technologies LLC48,173$2.22M0.0%-15.3%0.327%Search for SEC Filing on Google Icon
2/13/2025Invesco Ltd.128,178$5.92M0.0%N/A0.869%Search for SEC Filing on Google Icon
2/13/2025ADAR1 Capital Management LLC58,708$2.71M0.5%-53.8%0.398%Search for SEC Filing on Google Icon
2/13/2025Wells Fargo & Company MN18,513$0.86M0.0%-11.6%0.125%Search for SEC Filing on Google Icon
2/12/2025Aldebaran Capital LLC41,207$1.90M1.8%-1.9%0.279%Search for SEC Filing on Google Icon
2/12/2025Geode Capital Management LLC77,584$3.58M0.0%+0.9%0.526%Search for SEC Filing on Google Icon
Data available starting January 2016

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Tectonic Therapeutic logo
Tectonic Therapeutic, Inc. engages in discovery and development of therapeutic proteins & antibodies. The company was founded by Timothy A. Springer and Andrew Kruse in 2019 and is headquartered in Watertown, MA.
Read More on Tectonic Therapeutic

Today's Range

Now: $20.98
Low: $19.56
High: $21.50

50 Day Range

MA: $17.95
Low: $14.91
High: $21.47

52 Week Range

Now: $20.98
Low: $13.70
High: $61.07

Volume

290,375 shs

Average Volume

401,310 shs

Market Capitalization

$392.66 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

3.65

Who are the company insiders with the largest holdings of Tectonic Therapeutic?

Tectonic Therapeutic's top insider investors include:
  1. Timothy A Springer (Director)
  2. Daniel Lochner (CFO)
Learn More about top insider investors at Tectonic Therapeutic.

Who are the major institutional investors of Tectonic Therapeutic?

Tectonic Therapeutic's top institutional investors include:
  1. Braidwell LP — 3.94%
  2. Farallon Capital Management LLC — 3.42%
  3. Vanguard Group Inc. — 3.04%
  4. Prosight Management LP — 2.03%
  5. Aberdeen Group plc — 1.90%
  6. Citadel Advisors LLC — 1.59%
Learn More about top institutional investors of Tectonic Therapeutic stock.

Which institutional investors are selling Tectonic Therapeutic stock?

In the previous quarter, TECX stock was sold by these institutional investors:
  1. Farallon Capital Management LLC
  2. Woodline Partners LP
  3. Prosight Management LP
  4. Ally Bridge Group NY LLC
  5. Squarepoint Ops LLC
  6. ADAR1 Capital Management LLC
  7. Vanguard Group Inc.
  8. BNP Paribas Financial Markets

Which institutional investors are buying Tectonic Therapeutic stock?

During the last quarter, TECX stock was purchased by institutional investors including:
  1. Braidwell LP
  2. Aberdeen Group plc
  3. Kennedy Capital Management LLC
  4. First Light Asset Management LLC
  5. Millennium Management LLC
  6. Citadel Advisors LLC
  7. Jain Global LLC
  8. Susquehanna International Group LLP
During the previous year, these company insiders have bought Tectonic Therapeutic stock:
  1. Timothy A Springer (Director)
  2. Daniel Lochner (CFO)
Learn More investors buying Tectonic Therapeutic stock.