Odyssey Therapeutics, Inc.

ODTX

Exchange: Nasdaq
Industry: Biological Products, (No Diagnostic Substances)
SEC CIK: 0001882782

SEC filings (opens in a new tab)

No open-market purchases or sales by Odyssey Therapeutics, Inc. insiders were filed in the last 90 days; 59 institutions reported holding it in 13F filings for Q2 2026, worth $652.9M in total; HHLR Advisors (Hillhouse) is the only superinvestor holding it.

Key figures

Market capClose on Nov 9, 2026: $920.5M
Insider buysOpen market, last 90 days: 0
Insider sellsOpen market, last 90 days: 0
13F holdersQ2 2026, +59 vs. previous quarter: 59
13F valueReported value at the end of Q2 2026: $652.9M
Superinvestors holdingAt the end of Q2 2026: 1

Price chart

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Financials

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From SEC filings, in USD.

Revenue, Q3 FY2026: $0; No comparable prior period

Short interest

See short data

From FINRA, settlement date Oct 15, 2026.

Short interest: 3.28M; Shares sold short
Change: +176.4K; +5.7% vs. previous
Days to cover: 12.38; At average daily volume

Superinvestors holding ODTX, Q2 2026

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1 superinvestor reports holding Odyssey Therapeutics, Inc. on Form 13F. Percentages are the stock's share of each portfolio.

HHLR Advisors (Hillhouse)

Zhang Lei

1.9%

Odyssey Therapeutics, Inc.'s share of the portfolio

Shares: 831,656
Value: $15.6M

Latest insider trades

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Open-market purchases and sales by Odyssey Therapeutics, Inc. insiders from Form 4, newest first.

Insider trades
Filed (ET)	Trade date	Filing delay	Insider	Transaction	Shares	Avg price	Value	Holding change	Flags
May 13, 2026 (view filing)5:10 PM ET	May 11	2 days	Coulter James G and 2 othersOther: Former 10% Owner	PPurchase	+1.39M	$18.00	+$25.0M	+60.4%3.69M after
May 12, 2026 (view filing)	May 8	4 days	Dimension Capital II, L.P.Director	PPurchase	+1.11M	$18.00	+$20.0M	+50.0%3.33M after
May 11, 2026 (view filing)9:11 PM ET	May 11	Same day	George Simeon and 1 other10% Owner	SSale	−1.78K	$18.00	−$32.0K	−0.2%814.9K after	3 lots
May 11, 2026 (view filing)9:11 PM ET	May 11	Same day	George Simeon and 1 other10% Owner	PPurchase	+555.6K	$18.00	+$10.0M	+121.0%1.01M after	3 lots
May 11, 2026 (view filing)	May 8	3 days	Leiden Jeffrey MDirector	PPurchase	+5.00K	$20.00	+$100.0K	+1.9%270.2K after
May 11, 2026 (view filing)	May 8	3 days	Haas JasonChief Financial Officer	PPurchase	+1.00K	$20.00	+$20.0K	+1.6%62.9K after
May 11, 2026 (view filing)	May 11	Same day	Li Nan (LN)Director	PPurchase	+1.11M	$18.00	+$20.0M	+50.0%3.33M after
May 11, 2026 (view filing)	May 11	Same day	Chu ShelleyDirector	PPurchase	+11.1K	$18.00	+$200.0K	New position11.1K after

Top 10 13F holders, Q2 2026

See all 59 holders

The largest institutional positions in Odyssey Therapeutics, Inc. at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding ODTX in Q2 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
FMR LLC	5,179,262	$96.9M	0.00%	+5,179,262	New
Sr One Capital Management, LP	3,794,883	$71.0M	6.83%	+3,794,883	New
TPG GP A, LLC	3,690,146	$69.0M	1.38%	+3,690,146	New
Lightspeed Management Company, L.L.C.	3,608,443	$67.5M	2.81%	+3,608,443	New
OrbiMed Advisors LLC	3,001,198	$56.2M	1.06%	+3,001,198	New
Sanofi	1,991,918	$37.3M	6.98%	+1,991,918	New
Deerfield Management Company, L.P. (Series C)	1,046,139	$19.6M	0.20%	+1,046,139	New
Sands Capital Ventures, LLC	875,000	$16.4M	2.67%	+875,000	New
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)	831,656	$15.6M	1.87%	+831,656	New
General Catalyst Group Management, LLC	810,272	$15.2M	8.04%	+810,272	New

Holders of 5% or more of ODTX

See all 6 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Odyssey Therapeutics, Inc..

Largest holders of ODTX from 13D and 13G filings
Holder	Latest form	Stake	Change	First filed	Latest filing	Filing
FMR LLC	13G/A	13.00%6.24M shares	+2.80 ppfrom 10.20%	Jun 5, 20262 filings	Nov 5, 2026	SEC
Sr One Capital Management, LLC	13D	8.00%3.79M shares	New	May 18, 20261 filing	May 18, 2026	SEC
TPG GP A, LLC	13D	7.80%3.69M shares	New	May 18, 20261 filing	May 18, 2026	SEC
Jeito II S.L.P.	13D	7.80%3.69M shares	New	May 15, 20261 filing	May 15, 2026	SEC
Lightspeed Venture Partners XV-B (Ignite), L.P.	13G	7.60%3.61M shares	New	May 18, 20261 filing	May 18, 2026	SEC