$ODTX

$19.50 +$0.20 (1.04%) Close

$ODTX Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 48.1M shares outstanding

Who owns ODTX?

By type of holder

Institutions 72.6% Insiders 27.4% Everyone else 0.0%

Concentration Top 10 holders own 78.7%

FMR LLC 10.8% · SR One Capital Management, LLC 7.9%

Institutional ownership

72.6%

+72.6 pts vs last qtr

Institutional holders

+59 vs last qtr

Net shares bought

+34.9M

by institutions in Q2 2026

New / sold out

59 / 0

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

FMR LLC NEW +5.2M
SR One Capital Management, LP NEW +3.8M

Biggest sellers in Q2 2026

None.

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Odyssey Therapeutics Inc in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Odyssey Therapeutics Inc.

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years0% Under 1 year100%

Quarterly turnover

—

of institutional shares changed hands

Top 10 managers, median time held

0 quarters

Super Investors

Investment managers reporting ODTX on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
F FMR LLC	5.2M	10.78%	NEW	Q2 '26	0.0%
Shares held by quarter Peak holding5.2M (Q2'26) Change over 8 quarters+5.2M Share of the company10.780% FMR LLC's full portfolio →
SO SR One Capital Management, LP	3.8M	7.90%	NEW	Q2 '26	6.8%
Shares held by quarter Peak holding3.8M (Q2'26) Change over 8 quarters+3.8M Share of the company7.900% SR One Capital Management, LP's full portfolio →

FMR LLC

5.2M

% of company

10.78%

Change vs last qtr

NEW

Held since

Q2 '26

SR One Capital Management, LP

3.8M

% of company

7.90%

Change vs last qtr

NEW

Held since

Q2 '26

23 more super investors behind a free account

See every manager holding Odyssey Therapeutics Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ODTX on Form N-PORT; together they hold 7.3% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
FG Fidelity Growth Company Fund Fidelity Mt. Vernon Street Trust	$27.1M	1.1M	2.30%	0.03%	August 31, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$9.94M	531.1K	1.11%	0.00%	June 30, 2026

Fidelity Growth Company Fund

Fidelity Mt. Vernon Street Trust

Position value

$27.1M

% of company

2.30%

% of the fund

0.03%

As of

August 31, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$9.94M

% of company

1.11%

% of the fund

0.00%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Odyssey Therapeutics Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
SO SR One Capital Management, LLC 5%+ holder 13D · 8.0%	3.8M	7.90%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company7.900% Disclosed stake13D · 8.0% View the 13D/G filing →
JG James G. Coulter 5%+ holder 13D · 7.8%	3.7M	7.68%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company7.680% Disclosed stake13D · 7.8% View the 13D/G filing →

SR One Capital Management, LLC

5%+ holder13D · 8.0%

3.8M

% of company

7.90%

Change vs last qtr

—

Held since

—

James G. Coulter

5%+ holder13D · 7.8%

3.7M

% of company

7.68%

Change vs last qtr

—

Held since

—

12 more holders behind a free account

See every insider and 5%+ holder of Odyssey Therapeutics Inc.

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