TIL (Instil Bio) Insider Ownership: 41.58 % (As of Sep. 02, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

TIL Instil Bio Inc TIL
30 GF Score
Price $7.75
! 3 Warning Signs
View Full Analysis

What is Instil Bio Insider Ownership?

Instil Bio TIL +0.52% 30 Insider Ownership is 41.58 % as of Sep. 02, 2026. GuruFocus rates TIL with a GF Score™ of 30/100. The stock has 3 warning signs investors should review.

Insider ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Instil Bio's insider ownership is 41.58%.

Institutional Ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, Instil Bio's Institutional Ownership is 63.60%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, Instil Bio's Float Percentage Of Total Shares Outstanding is 59.40%.


Instil Bio Insider Ownership Historical Data

* Premium members only.

The historical data trend for Instil Bio's Insider Ownership can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Instil Bio Insider Ownership Chart

Instil Bio Historical Data

The historical data trend for Instil Bio can be seen below:

2025-07-31 2025-08-31 2025-09-30 2025-10-31 2025-11-30 2026-01-31 2026-02-28 2026-05-31 2026-06-30 2026-07-31
Insider Ownership 42.99 41.77 41.77 41.77 41.58 41.58 41.58 41.58 41.58 41.58
TIL
30GF Score
Instil Bio Inc TIL
Insider Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Instil Bio Insider Ownership Calculation

The percentage of shares that are owned by company insiders relative to the total shares outstanding.

Frequently Asked Questions Learn more about Insider Ownership →
What does a Insider Ownership of 41.58 % mean?
Instil Bio (TIL) has a Insider Ownership of 41.58 % as of Sep. 02, 2026. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on Instil Bio and its competitors.
Is Instil Bio's Insider Ownership too high?
Instil Bio's current Insider Ownership is 41.58 %. Overall, Instil Bio has a GF Score™ of 30/100, reflecting its overall financial health beyond just this single metric.
How does Instil Bio's Insider Ownership compare to ATYR and AURX?
Instil Bio's Insider Ownership of 41.58 % can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Insider Ownership for a Biotechnology company?
A good Insider Ownership depends on the Biotechnology industry context. However, Insider Ownership should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Insider Ownership mean?
A high Insider Ownership can signal that a stock is expensive relative to its fundamentals. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on Instil Bio and its competitors. Instil Bio's current Insider Ownership is 41.58 %. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Instil Bio stock overvalued right now?
Instil Bio (TIL) has a current Insider Ownership of 41.58 %. The current Insider Ownership is 41.58 %. Instil Bio's overall GF Score™ is 30/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Insider Ownership calculated?
Insider Ownership is calculated from a company's financial statements. For Instil Bio (TIL), the current Insider Ownership is 41.58 % as of Sep. 02, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Instil Bio Business Description

Address 3963 Maple Avenue, Suite 350, Dallas, TX, USA, 75219
Instil Bio Inc is a clinical-stage biopharmaceutical company focused on developing a cell therapy pipeline of autologous tumor infiltrating lymphocyte, or TIL, therapies for the treatment of patients with cancer. It is also engaged in developing a novel class of genetically engineered TIL therapies using its Co-Stimulatory Antigen Receptor, or CoStAR, platform. Its pipeline includes ITIL-306 which expresses a CoStAR molecule designed to recognize, a tumor-associated antigen that is expressed on numerous solid tumors, including ovarian cancer, uterine cancer, NSCLC, and renal cancer.
30GF Score

Get the complete analysis for TIL

Insider Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$7.75
Price