StockData
ODTXNasdaqBiological Products, (No Diagnostic Substances)Fiscal year ends December 31

Odyssey Therapeutics, Inc.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026
$18.10+0.93 (+5.42%)

Close on Oct 19, 2026

Market cap
$548.01M
P/E (TTM)
–
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
72.4%
35M of 48M shares
Institutional holders
58
58 new, 0 sold out
Net institutional buying
35M
In Q2 2026
Insider trades, 12 months
9 buys · 3 sales
Net bought $75.29M

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
FMR LLC4,577,26210.20%13G (passive)May 29, 2026
Simeon George3,794,8838.00%13D (active)May 11, 2026
Jon Winkelried3,690,1467.80%13D (active)May 11, 2026
Jeito Capital SAS3,690,1457.80%13D (active)May 8, 2026
Lightspeed Venture Partners XV-B (Ignite), L.P.3,608,4437.60%13G (passive)May 11, 2026
Dimension Management, L.P.3,333,5167.10%13D (active)May 8, 2026

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of ODTXValueChange% of portfolio
FMR LLC5,179,26210.78%$96.90MNew0.00%
Sr One Capital Management, LP3,794,8837.90%$71.00MNew6.83%
Tpg Gp A, LLC3,690,1467.68%$69.04MNew1.38%
Lightspeed Management Company, L.L.C.3,608,4437.51%$67.51MNew2.81%
Orbimed Advisors LLC3,001,1986.24%$56.15MNew1.04%
Sanofi1,991,9184.14%$37.27MNew6.98%
Deerfield Management Company, L.P. (Series C)1,046,1392.18%$19.57MNew0.20%
Sands Capital Ventures, LLC875,0001.82%$16.37MNew2.67%
Hhlr Advisors, Ltd.831,6561.73%$15.56MNew1.87%
General Catalyst Group Management, LLC810,2721.69%$15.16MNew8.04%
Affinity Asset Advisors, LLC766,3461.59%$14.34MNew0.65%
Adage Capital Partners Gp, L.L.C.725,0001.51%$13.56MNew0.02%
Vanguard Capital Management LLC720,4401.50%$13.48MNew0.00%
Foresite Capital Management V, LLC713,1051.48%$13.34MNew3.68%
Vivo Capital, LLC575,0001.20%$10.76MNew0.98%
EcoR1 Capital, LLC555,5551.16%$10.39MNew0.51%
Logos Global Management LP521,7361.09%$9.76MNew0.42%
Marshall Wace, Llp492,6971.03%$9.22MNew0.01%
Price T Rowe Associates Inc /Md/471,9870.98%$8.83KNew0.00%
Catalio Capital Management, LP457,8390.95%$8.57MNew1.61%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 20265835M72.4%58 / 00 / 035M0M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of ODTXValue% of fundAs of
Fidelity Growth Company Fund595,9001.24%$10.14M0.01%May 31, 2026
Vanguard Total Stock Market Index Fund531,0961.11%$9.94M0.00%Jun 30, 2026
Select Biotechnology Portfolio339,5000.71%$5.77M0.11%May 31, 2026
T. Rowe Price Health Sciences Fund, Inc.182,5470.38%$3.42M0.03%Jun 30, 2026
Vanguard Extended Market Index Fund179,6590.37%$3.36M0.00%Jun 30, 2026
Fidelity Growth Company K6 Fund164,6960.34%$2.80M0.01%May 31, 2026
Fidelity Series Growth Company Fund147,4000.31%$2.51M0.01%May 31, 2026
Franklin Biotechnology Discovery Fund99,8260.21%$1.89M0.16%Jul 31, 2026
Schwab Total Stock Market Index Fund15,0000.03%$283.95K0.00%Jul 31, 2026
Vanguard Russell 2000 Index Fund11,8830.02%$202.13K0.00%May 31, 2026
T. Rowe Price Health Sciences Portfolio11,2760.02%$210.97K0.03%Jun 30, 2026
Health Sciences Trust7,8990.02%$147.79K0.06%Jun 30, 2026
Blackstone Alternative Multi-Strategy Fund6,5750.01%$123.02K0.00%Jun 30, 2026
Vanguard Institutional Total Stock Market Index Fund6,4420.01%$120.53K0.00%Jun 30, 2026
EQ/T.Rowe Price Health Sciences Portfolio5,5710.01%$104.23K0.06%Jun 30, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Gary D. GlickSee Remarks, Director415,9730.87%May 11, 2026
Jason HaasChief Financial Officer62,9080.13%May 11, 2026
Natalie DalesSee Remarks36,8800.08%May 11, 2026
Anthony W. OpipariSee Remarks7,5060.02%May 11, 2026
Collin M. ToddSee Remarks––May 11, 2026
Jolie SiegelSee Remarks––May 7, 2026
Dimension Capital II, L.P.Director512,8621.07%May 12, 2026
Ian F. SmithDirector246,1000.51%May 11, 2026
Timothy P. WalbertDirector––May 11, 2026
Jeffrey M. LeidenDirector330,5400.69%May 11, 2026
Nan (LN) LiDirector3,333,5166.94%May 11, 2026
Ourania TatsisDirector––May 11, 2026
Valerie OdegardDirector––May 11, 2026
Shelley ChuDirector11,1110.02%May 11, 2026
Aranicki Ksenija PavleticDirector––May 7, 2026
Paulina HillDirector––May 7, 2026
Carolyn NgDirector0–May 7, 2026
Jon Winkelried–––May 13, 2026
Tpg Gp A, Llc–––May 13, 2026
James G. Coulter–3,690,1467.68%May 13, 2026
Sr One Capital Management, Llc10% owner––May 11, 2026
Simeon George10% owner2,376,9144.95%May 11, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
James G. Coulter
–
May 11, 2026Buy+1,388,889$18.00$25.00M3,690,146
James G. Coulter
–
May 11, 2026Conversion+1,880,497––2,301,257
James G. Coulter
–
May 11, 2026Other−2,351$18.00$42.32K420,760
James G. Coulter
–
May 11, 2026Other+423,111––423,111
Simeon George
10% owner
May 11, 2026Conversion+139,366––613,414
Simeon George
10% owner
May 11, 2026Sale−438$18.00$7.88K814,851
Simeon George
10% owner
May 11, 2026Option exercise+78,656––815,289
Simeon George
10% owner
May 11, 2026Conversion+273,527––736,633
Simeon George
10% owner
May 11, 2026Conversion+463,106––463,106
Simeon George
10% owner
May 11, 2026Buy+133,333$18.00$2.40M574,314
Simeon George
10% owner
May 11, 2026Sale−277$18.00$4.99K440,981
Simeon George
10% owner
May 11, 2026Option exercise+49,850––441,258
Simeon George
10% owner
May 11, 2026Conversion+166,168––391,408
Simeon George
10% owner
May 11, 2026Conversion+20,582––225,240
Simeon George
10% owner
May 11, 2026Conversion+204,658––204,658
Simeon George
10% owner
May 11, 2026Conversion+255,823––374,335
Simeon George
10% owner
May 11, 2026Conversion+118,512––118,512
Simeon George
10% owner
May 11, 2026Buy+222,222$18.00$4.00M1,831,383
Simeon George
10% owner
May 11, 2026Sale−1,065$18.00$19.17K1,609,161
Simeon George
10% owner
May 11, 2026Option exercise+191,541––1,610,226
Simeon George
10% owner
May 11, 2026Conversion+683,817––1,418,685
Simeon George
10% owner
May 11, 2026Conversion+61,762––734,868
Simeon George
10% owner
May 11, 2026Conversion+59,692––673,106
Simeon George
10% owner
May 11, 2026Buy+200,000$18.00$3.60M1,014,851
Simeon George
10% owner
May 11, 2026Conversion+474,048––474,048
Anthony W. Opipari
See Remarks
May 11, 2026Option exercise+541––7,506
Anthony W. Opipari
See Remarks
May 11, 2026Tax withholding−4$18.00$727,502
Anthony W. Opipari
See Remarks
May 11, 2026Conversion+6,965––6,965
Jeffrey M. Leiden
Director
May 11, 2026Conversion+28,698––28,698
Jeffrey M. Leiden
Director
May 11, 2026Tax withholding−17$18.00$30631,644
Jeffrey M. Leiden
Director
May 11, 2026Option exercise+2,963––31,661
Gary D. Glick
See Remarks, Director
May 11, 2026Conversion+27,386––415,973
Nan (LN) Li
Director
May 11, 2026Buy+1,111,111$18.00$20.00M3,333,516
Nan (LN) Li
Director
May 11, 2026Conversion+1,709,543––2,222,405
Shelley Chu
Director
May 11, 2026Buy+11,111$18.00$200.00K11,111
Dimension Capital II, L.P.
Director
May 8, 2026Buy+1,111,111$18.00$20.00M3,333,516
Dimension Capital II, L.P.
Director
May 8, 2026Conversion+1,709,543––2,222,405
Jeffrey M. Leiden
Director
May 8, 2026Buy+5,000$20.00$100.00K270,198
Jason Haas
Chief Financial Officer
May 8, 2026Buy+1,000$20.00$20.00K62,908

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.