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Tectonic Therapeutic (TECX) Institutional Ownership

Tectonic Therapeutic logo
$20.69 -0.62 (-2.93%)
As of 12:46 PM Eastern
This is a fair market value price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Tectonic Therapeutic (NASDAQ:TECX)

Current
Institutional Ownership
Percentage
62.63%
Number of
Institutional Buyers
(last 12 months)
50
Total
Institutional Inflows
(last 12 months)
$190.10M
Number of
Institutional Sellers
(last 12 months)
21
Total
Institutional Outflows
(last 12 months)
$35.81M
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TECX Institutional Buying and Selling by Quarter

Tectonic Therapeutic Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026First Light Asset Management LLC800,726$27.53M1.7%+23.6%4.096%
9/9/2026Squarepoint Ops LLC145,028$4.99M0.0%-11.8%0.742%
8/21/2026Braidwell LP596,900$20.52M0.8%-29.5%3.053%
8/21/2026Velan Capital Investment Management LP6,000$206K0.1%N/A0.031%
8/20/2026Aldebaran Capital LLC36,797$1.27M1.0%-1.0%0.188%
8/19/2026Wellington Management Group LLP31,432$1.08M0.0%+7.5%0.161%
8/17/2026Bank of America Corp DE11,043$380K0.0%N/A0.056%
8/14/20265AM Venture Management LLC606,660$20.85M0.0%N/A3.103%
8/14/2026ADAR1 Capital Management LLC14,501$498K0.0%N/A0.074%
8/14/2026Legal & General Group Plc1,000$34K0.0%N/A0.005%
8/14/2026The Manufacturers Life Insurance Company5,996$206K0.0%N/A0.031%
8/13/2026Connor Clark & Lunn Investment Management Ltd.64,940$2.23M0.0%N/A0.332%
8/12/2026Quantbot Technologies LP1,819$63K0.0%N/A0.009%
8/7/2026BlackRock Inc.862,592$29.65M0.0%N/A4.571%
8/7/2026Deutsche Bank AG10,039$345K0.0%N/A0.053%
8/6/2026Bank of New York Mellon Corp25,247$868K0.0%N/A0.134%
8/6/2026GSA Capital Partners LLP8,275$284K0.0%N/A0.044%
5/19/2026Bank of America Corp DE11,466$354K0.0%+24.3%0.061%
5/18/2026ADAR1 Capital Management LLC13,001$402K0.0%-56.7%0.069%
5/16/2026The Manufacturers Life Insurance Company13,929$431K0.0%N/A0.074%
5/16/2026First Light Asset Management LLC647,743$20.02M1.8%N/A3.433%
5/16/2026Orbimed Advisors LLC226,600$7.00M0.1%-60.6%1.201%
5/14/2026Sei Investments Co.36,870$1.14M0.0%+141.8%0.195%
5/7/2026AlphaCentric Advisors LLC6,849$212K0.2%+5.8%0.036%
5/5/2026Bank of New York Mellon Corp24,760$765K0.0%-4.2%0.131%
2/18/2026Vestal Point Capital LP328,000$6.84M0.2%N/A1.752%
2/18/2026Virtus Investment Advisers LLC13,462$281K0.1%+165.5%0.072%
2/18/2026Quadrature Capital Ltd10,014$209K0.0%-61.9%0.053%
2/18/2026Orbimed Advisors LLC574,600$11.99M0.3%N/A3.069%
2/18/2026Opaleye Management Inc.214,747$4.48M0.6%N/A1.147%
2/18/2026Millennium Management LLC300,820$6.28M0.0%+26.3%1.607%
2/18/2026Baker BROS. Advisors LP903,400$18.85M0.1%+803.4%4.826%
2/18/20265AM Venture Management LLC606,660$12.66M4.0%+18.6%3.241%
2/17/2026ADAR1 Capital Management LLC30,007$626K0.0%-46.4%0.160%
2/17/2026Schonfeld Strategic Advisors LLC39,109$816K0.0%N/A0.209%
2/17/2026Braidwell LP927,524$19.35M0.6%+25.9%4.955%
2/17/2026Jump Financial LLC39,500$824K0.0%N/A0.211%
2/17/2026Kotler Kevin80,000$1.67M0.4%N/A0.427%
2/17/2026Monimus Capital Management LP26,594$555K0.4%+11.3%0.142%
2/17/2026ExodusPoint Capital Management LP111,188$2.32M0.0%+754.2%0.594%
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2/16/2026Squarepoint Ops LLC199,646$4.17M0.0%+205.1%1.066%
2/16/2026Kennedy Capital Management LLC209,225$4.36M0.1%+0.2%1.118%
2/16/2026Barclays PLC22,443$468K0.0%+24.8%0.120%
2/13/2026Prosight Management LP235,000$4.90M1.0%-38.0%1.255%
2/13/2026Marshall Wace LLP30,918$645K0.0%+23.3%0.165%
2/13/2026State Street Corp209,125$4.36M0.0%+26.3%1.117%
2/13/2026Wells Fargo & Company MN120,411$2.51M0.0%+17.5%0.643%
2/12/2026Jane Street Group LLC19,321$403K0.0%-32.7%0.103%
2/12/2026Aldebaran Capital LLC37,353$779K0.7%-3.0%0.200%
2/12/2026Dimensional Fund Advisors LP10,075$210K0.0%N/A0.054%
2/12/2026AlphaCentric Advisors LLC6,476$135K0.1%N/A0.035%
2/12/2026Marex Group plc12,501$261K0.0%N/A0.067%
2/12/2026Alps Advisors Inc.15,369$321K0.0%N/A0.082%
2/11/2026Deutsche Bank AG7,589$158K0.0%N/A0.041%
2/11/2026Los Angeles Capital Management LLC6,410$134K0.0%N/A0.034%
2/11/2026BIT Capital GmbH30,000$626K0.0%N/A0.160%
2/10/2026Goldman Sachs Group Inc.92,703$1.93M0.0%-4.3%0.495%
2/9/2026Geode Capital Management LLC263,560$5.50M0.0%-2.2%1.408%
2/9/2026Sectoral Asset Management Inc.42,255$881K0.7%-78.1%0.226%
2/9/2026Clearstead Advisors LLC6,500$136K0.0%+333.3%0.035%
2/6/2026GSA Capital Partners LLP63,276$1.32M0.1%N/A0.338%
1/29/2026China Universal Asset Management Co. Ltd.6,050$126K0.0%-12.1%0.032%
1/21/2026Palumbo Wealth Management LLC13,046$272K0.1%N/A0.070%
1/16/2026Aberdeen Group plc1,141,824$23.82M0.0%+220.6%6.101%
1/1/2026JPMorgan Chase & Co.5,924$93K0.0%-9.5%0.032%
11/19/2025Caitong International Asset Management Co. Ltd3,966$62K0.0%+451.6%0.021%
11/17/2025Woodline Partners LP200,000$3.14M0.0%-37.8%1.069%
11/17/2025Millennium Management LLC238,170$3.74M0.0%+218.0%1.273%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.5,134$81K0.0%-14.6%0.027%
11/17/2025Jain Global LLC71,504$1.12M0.0%N/A0.382%
11/17/2025Farallon Capital Management LLC640,000$10.04M0.0%-25.0%3.420%
11/17/2025First Light Asset Management LLC202,393$3.18M0.3%N/A1.081%
11/17/2025Citadel Advisors LLC298,388$4.68M0.0%+80.8%1.594%
11/17/2025Bank of America Corp DE6,365$100K0.0%-8.0%0.034%
11/17/2025Braidwell LP736,867$11.56M0.3%N/A3.937%
11/17/2025Ally Bridge Group NY LLC138,595$2.18M1.3%-15.3%0.741%
11/14/2025Raymond James Financial Inc.51,931$815K0.0%+141.0%0.277%
11/14/2025ADAR1 Capital Management LLC56,007$879K0.1%-23.8%0.299%
11/14/2025Squarepoint Ops LLC65,435$1.03M0.0%-23.4%0.350%
11/14/2025Prosight Management LP379,254$5.95M1.4%-14.2%2.026%
11/13/2025Kennedy Capital Management LLC208,776$3.28M0.1%N/A1.115%
11/13/2025UBS Group AG66,460$1.04M0.0%+94.1%0.355%
11/13/2025BNP Paribas Financial Markets2,422$38K0.0%-85.2%0.013%
11/13/2025DLD Asset Management LP15,000$235K0.0%N/A0.080%
11/10/2025Aldebaran Capital LLC38,502$604K0.6%-4.4%0.206%
11/10/2025China Universal Asset Management Co. Ltd.6,880$108K0.0%+83.5%0.037%
11/7/2025Vanguard Group Inc.569,480$8.94M0.0%-2.6%3.044%
11/7/2025JPMorgan Chase & Co.5,924$93K0.0%-9.5%0.032%
11/7/2025Aberdeen Group plc356,176$5.59M0.0%N/A1.904%
11/3/2025AlphaQuest LLC7,299$115K0.0%+208.6%0.039%
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8/28/2025China Universal Asset Management Co. Ltd.3,750$75K0.0%+26.7%0.020%
8/27/2025Squarepoint Ops LLC85,369$1.70M0.0%+61.4%0.456%
8/15/2025Monimus Capital Management LP23,894$475K0.3%+29.4%0.128%
8/15/2025BNP Paribas Financial Markets16,314$324K0.0%+528.4%0.087%
8/15/2025Boothbay Fund Management LLC45,077$896K0.0%-43.3%0.241%
8/15/2025Bridgeway Capital Management LLC12,383$246K0.0%-15.6%0.066%
8/15/2025Bank of America Corp DE6,922$138K0.0%-89.5%0.037%
8/14/2025Raymond James Financial Inc.21,544$428K0.0%+15.0%0.115%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.6,012$119K0.0%N/A0.032%
8/14/2025TFG Asset Management GP Ltd228,832$4.55M0.7%+22.0%1.223%


TECX Institutional Ownership - Frequently Asked Questions

During the previous two years, 106 institutional investors and hedge funds held shares of Tectonic Therapeutic. The most heavily invested institutionals were FMR LLC ($36.97M), BlackRock Inc. ($29.65M), First Light Asset Management LLC ($27.53M), Aberdeen Group plc ($23.82M), Paradigm Biocapital Advisors LP ($22.40M), 5AM Venture Management LLC ($20.85M), and Braidwell LP ($20.52M).Learn more on Tectonic Therapeutic's institutional investors.

62.63% of Tectonic Therapeutic's stock is owned by institutional investors. Learn more on TECX's institutional investor holdings.

Of the 94 institutional investors that purchased Tectonic Therapeutic's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Aberdeen Group plc ($1.14M), First Light Asset Management LLC ($1.00M), Braidwell LP ($927.52K), Baker BROS. Advisors LP ($903.40K), BlackRock Inc. ($862.59K), 5AM Venture Management LLC ($701.66K), and Orbimed Advisors LLC ($574.60K).

Institutional investors have bought a total of 8,119,267 shares in the last 24 months. This purchase volume represents approximately $190.10M in transactions.

Of the 21 institutional investors that sold Tectonic Therapeutic's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Orbimed Advisors LLC ($348K), Braidwell LP ($250.25K), Farallon Capital Management LLC ($213.05K), Prosight Management LP ($207.06K), Sectoral Asset Management Inc. ($150.52K), Woodline Partners LP ($121.64K), and ADAR1 Capital Management LLC ($60.50K).

Institutional investors have sold a total of 1,487,747 shares in the last 24 months. This volume of shares sold represents approximately $35.81M in transactions.


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Institutional ownership data for NASDAQ:TECX is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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