Tectonic Therapeutic, Inc.· TECX

🇺🇸 US · SmallBroad USNASDAQ

HealthcareBiotechnologyWebsite

Price: $29.17
Day: +4.48%
Mkt Cap: $550.41M
52W Range: $14.39 – $39.53
Volume: 144.0K
Beta: 0.10

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

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Tectonic Therapeutic, Inc.

TECX|Healthcare|Biotechnology

Current price: $29

Smart Money

Dimension 5 of 5

Insider Activity, Q2 2026

Latest scored quarter, net flow, and top transactions by value

Net dollar flow-$69.0K

Net share flow-2.2K

Purchases0 ($0)

Sales3 ($69.0K)

Top Notable Transactions

Insider

Type

Value

Date

SPRINGER TIMOTHY A

Purchase

$33.0M

Feb 5

SPRINGER TIMOTHY A

Purchase

$10.1M

Oct 22

MCGUIRE TERRANCE

Sale

$8.6M

Apr 7

Institutional Ownership, Q1 2026

Ownership share, position changes, share flow, and top holders

Ownership75.4%

13F share flow+32.5%

Investors holding116

+94 adding-59 reducing

New 29Inc 65Red 36Closed 23

Top Institutional Holders

Institution

Value

Change

FMR LLC

$87.1M

+2.5%

TCG CROSSOVER MANAGEMENT, LLC

$37.2M

+100.0%

ABRDN PLC

$35.3M

+2.1%

BLACKROCK, INC.

$26.6M

+2.8%

ETF & Mutual Fund Activity, Q2 2026

Latest meaningful quarter: fund-by-fund buying / unchanged / selling

Funds reporting34

Total shares held2.7M

Share flow+3.3%

9 buying12 selling

Buying 9Unchanged 13Selling 12

Top Fund Holders

Fund

Weight

Change

FIDELITY MT VERNON STREET TRUST

1.2M

3.38%

+28.8K

iSHARES TRUST

470.3K

0.00%

FIDELITY SELECT PORTFOLIOS

405.4K

0.73%

-37.5K

COLUMBIA FUNDS SERIES TRUST I

121.5K

0.00%

-3.0K

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

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Generated August 5, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

TECX Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

3.4/5

Neutral

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

+15

Institutional Flow

50% weight

+30

Fund Flow

10% weight

-25

Overall Smart Money sentiment of 3.4/5 (Neutral) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated August 4, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Activity for TECX

Net insider share flow by quarter (C-suite & director purchases minus sales)

Neutral

Routine insider selling in Q2 2026

3 sales totaling $69.0K (2.2K shares)

Share volume is well below the historical pace (0.0x average), insiders are holding more

Buying seen in 4 of 7 quarters

Notable Recent Transactions, TECX

Top 8 highest-value recent insider trades

SPRINGER TIMOTHY A

Director

Buy

660,000 shares at $50.00

Feb 5, 2025$33.00M

SPRINGER TIMOTHY A

Director

Buy

300,000 shares at $33.59

Oct 22, 2024$10.08M

MCGUIRE TERRANCE

Director

Sell

500,000 shares at $17.10

Apr 7, 2025$8.55M

SPRINGER TIMOTHY A

Director

Buy

412,500 shares at $17.10

Apr 7, 2025$7.05M

SPRINGER TIMOTHY A

Director

Buy

129,294 shares at $54.14

Feb 5, 2025$7.00M

SPRINGER TIMOTHY A

Director

Buy

87,500 shares at $17.10

Apr 7, 2025$1.50M

SPRINGER TIMOTHY A

Director

Buy

53,706 shares at $16.31

Apr 11, 2025$875.94K

SPRINGER TIMOTHY A

Director

Buy

45,858 shares at $16.73

Apr 10, 2025$767.20K

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Ownership Over Time for TECX

Total dollar value invested by institutions each quarter

Bullish Signal

Institutions accumulating in Q1 2026

75.4% institutional ownership

Moderate accumulation: 94 adding vs 59 reducing

13F share count essentially flat

Momentum weakening from prior quarter

Position Changes

Q2 2026: how are institutions adjusting their positions?

+13 growing-105 shrinkingNet: -92

New (5)

Increased (8)

Reduced (6)

Closed (99)

Top Institutional Holders, TECX

Largest 8 institutional positions by ownership percentage as of Q2 2026

ABRDN PLC

1.1M

$39.3M

Ownership

6.08%

No change

ALPS ADVISORS INC

19.1K

$658.2K

Ownership

0.10%

+25.3%

FISHER ASSET MANAGEMENT, LLC

19.1K

$657.3K

Ownership

0.10%

+100.0%

FOX RUN MANAGEMENT, L.L.C.

8.9K

$304.7K

Ownership

0.05%

+100.0%

ALPHACENTRIC ADVISORS LLC

6.9K

$238.8K

Ownership

0.04%

+1.4%

CITIGROUP INC

5.5K

$190.7K

Ownership

0.03%

+383.7%

CHINA UNIVERSAL ASSET MANAGEMENT CO., LTD.

5.5K

$189.2K

Ownership

0.03%

-13.1%

NEW YORK STATE COMMON RETIREMENT FUND

4.6K

$158.1K

Ownership

0.02%

No change

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q2 2026: 34 ETFs and mutual funds reporting

9 buying12 sellingNet: -3

Buying (9)

Unchanged (13)

Selling (12)

Bearish Signal

Funds distributing in Q2 2026

34 ETFs and mutual funds reporting

12 funds selling vs 9 buying

Top Fund Holders, TECX

Largest 8 ETF and mutual fund positions by shares held as of latest filing

FIDELITY MT VERNON STREET TRUST

1.2M

Weight

3.38%

Increased

iSHARES TRUST

470.3K

Weight

0.00%

No change

FIDELITY SELECT PORTFOLIOS

405.4K

Weight

0.73%

Decreased

COLUMBIA FUNDS SERIES TRUST I

121.5K

Weight

0.00%

Decreased

FIDELITY CONCORD STREET TRUST

98.0K

Weight

0.04%

Decreased

VANGUARD SCOTTSDALE FUNDS

66.1K

Weight

0.00%

Increased

ALPS ETF Trust

19.4K

Weight

0.05%

Increased

AMERICAN CENTURY ETF TRUST

16.7K

Weight

0.01%

Increased

Tectonic Therapeutic, Inc.· TECX

Holdings Analysis

Insider Trading Activity

1.3Transaction History30Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings49Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History30Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings49Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights