Odyssey Therapeutics, Inc. (ODTX) Institutional Shareholders
Odyssey Therapeutics, Inc. (ODTX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $636.48M in ODTX holdings during the latest filing period.
Fmr Llc is currently the largest disclosed institutional shareholder of ODTX tracked by InsiderSet, reporting ownership valued at approximately $96.90M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $126.27M, representing an estimated gain of +30.30% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 73% of the total disclosed ODTX value among the investors covered in this analysis. Major shareholders include Fmr Llc, Sr One Capital Management, Lp, Tpg Gp A, Llc, and several other long-term asset managers with concentrated positions in Odyssey Therapeutics, Inc. (ODTX).
This page ranks the largest institutional ODTX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
55
Total Reported Value
$636.48M
Largest Holder
Fmr Llc
Largest Position
$96.90M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
57
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Fmr Llc | 0.00% | 5,179,262 | $96,903,992 | $126,270,408 | +$29,366,416 | +30.30% | |
| Sr One Capital Management, Lp | 6.83% | 3,794,883 | $71,002,261 | $92,519,248 | +$21,516,987 | +30.30% | |
| Tpg Gp A, Llc | 1.38% | 3,690,146 | $69,042,632 | $89,965,759 | +$20,923,127 | +30.30% | |
| Lightspeed Management Company, L.L.C. | 2.81% | 3,608,443 | $67,513,969 | $87,973,840 | +$20,459,871 | +30.30% | |
| Orbimed Advisors Llc | 1.06% | 3,001,198 | $56,152,415 | $73,169,207 | +$17,016,792 | +30.30% | |
| Sanofi | 6.98% | 1,991,918 | $37,268,786 | $48,562,961 | +$11,294,175 | +30.30% | |
| Deerfield Management Company, L.P. | 0.20% | 1,046,139 | $19,573,261 | $25,504,869 | +$5,931,608 | +30.30% | |
| Sands Capital Alternatives, Llc | 2.67% | 875,000 | $16,371,250 | $21,332,500 | +$4,961,250 | +30.30% | |
| Hhlr Advisors, Ltd. | 1.87% | 831,656 | $15,560,284 | $20,275,773 | +$4,715,489 | +30.30% | |
| General Catalyst Group Management, Llc | 8.04% | 810,272 | $15,160,189 | $19,754,431 | +$4,594,242 | +30.30% | |
| Affinity Asset Advisors, Llc | 0.70% | 766,346 | $14,338,334 | $18,683,515 | +$4,345,181 | +30.30% | |
| Adage Capital Partners Gp, L.L.C. | 0.02% | 725,000 | $13,564,750 | $17,675,500 | +$4,110,750 | +30.30% | |
| Vanguard Capital Management Llc | 0.00% | 720,440 | $13,479,432 | $17,564,327 | +$4,084,895 | +30.30% | |
| Foresite Capital Management V, Llc | 3.68% | 713,105 | $13,342,195 | $17,385,500 | +$4,043,305 | +30.30% | |
| Vivo Capital, Llc | 0.98% | 575,000 | $10,758,250 | $14,018,500 | +$3,260,250 | +30.30% | |
| Ecor1 Capital, Llc | 0.52% | 555,555 | $10,394,434 | $13,544,431 | +$3,149,997 | +30.30% | |
| Logos Global Management Lp | 0.42% | 521,736 | $9,761,681 | $12,719,924 | +$2,958,243 | +30.30% | |
| Marshall Wace, Llp | 0.01% | 492,697 | $9,218,361 | $12,011,953 | +$2,793,592 | +30.30% | |
| Price T Rowe Associates Inc | 0.00% | 471,987 | $8,831,000 | $11,507,043 | +$2,676,043 | +30.30% | |
| Redmile Group, Llc | 0.53% | 425,000 | $7,951,750 | $10,361,500 | +$2,409,750 | +30.30% | |
| Balyasny Asset Management L.P. | 0.01% | 393,862 | $7,369,158 | $9,602,356 | +$2,233,198 | +30.30% | |
| Woodline Partners Lp | 0.02% | 345,746 | $6,468,908 | $8,429,287 | +$1,960,379 | +30.30% | |
| Boxer Capital Management, Llc | 0.39% | 275,000 | $5,145,250 | $6,704,500 | +$1,559,250 | +30.30% | |
| Blackrock, Inc. | 0.00% | 240,679 | $4,503,104 | $5,867,754 | +$1,364,650 | +30.30% | |
| Citadel Advisors Llc | 0.00% | 222,450 | $4,162,040 | $5,423,331 | +$1,261,291 | +30.30% | |
| Siren, L.L.C. | 0.08% | 200,000 | $3,742,000 | $4,876,000 | +$1,134,000 | +30.30% | |
| Geode Capital Management, Llc | 0.00% | 189,488 | $3,547,276 | $4,619,717 | +$1,072,441 | +30.23% | |
| Cormorant Asset Management, Lp | 0.17% | 175,000 | $3,274,250 | $4,266,500 | +$992,250 | +30.30% | |
| Aberdeen Group Plc | 0.00% | 165,000 | $3,087,150 | $4,022,700 | +$935,550 | +30.30% | |
| Two Sigma Investments, Lp | 0.00% | 156,602 | $2,930,023 | $3,817,957 | +$887,934 | +30.30% | |
| Goldman Sachs Group Inc | 0.00% | 132,801 | $2,484,707 | $3,237,688 | +$752,981 | +30.30% | |
| Charles Schwab Investment Management Inc | 0.00% | 101,531 | $1,899,645 | $2,475,326 | +$575,681 | +30.30% | |
| Vanguard Fiduciary Trust Co | 0.00% | 100,905 | $1,887,933 | $2,460,064 | +$572,131 | +30.30% | |
| Hudson Bay Capital Management Lp | 0.01% | 72,918 | $1,364,296 | $1,777,741 | +$413,445 | +30.30% | |
| Ubs Group Ag | 0.00% | 68,758 | $1,286,462 | $1,676,320 | +$389,858 | +30.30% | |
| Seven Grand Managers, Llc | 0.04% | 50,000 | $935,500 | $1,219,000 | +$283,500 | +30.30% | |
| Eversept Partners, Lp | 0.05% | 49,658 | $929,101 | $1,210,662 | +$281,561 | +30.30% | |
| Tudor Investment Corp Et Al | 0.00% | 44,171 | $826,439 | $1,076,889 | +$250,450 | +30.30% | |
| Northern Trust Corp | 0.00% | 34,588 | $647,141 | $843,255 | +$196,114 | +30.30% | |
| Manufacturers Life Insurance Company, The | 0.00% | 32,125 | $601,059 | $783,208 | +$182,149 | +30.30% | |
| Td Asset Management Inc | 0.00% | 29,134 | $545,097 | $710,287 | +$165,190 | +30.30% | |
| Jpmorgan Chase & Co | 0.00% | 27,787 | $524,896 | $677,447 | +$152,551 | +29.06% | |
| Ghisallo Capital Management Llc | 0.01% | 25,000 | $467,750 | $609,500 | +$141,750 | +30.30% | |
| Burkehill Global Management, Lp | 0.01% | 20,000 | $374,200 | $487,600 | +$113,400 | +30.30% | |
| D. E. Shaw & Co., Inc. | 0.00% | 19,848 | $371,356 | $483,894 | +$112,538 | +30.30% | |
| Xtx Topco Ltd | 0.00% | 16,552 | $309,688 | $403,538 | +$93,850 | +30.30% | |
| Vanguard Portfolio Management Llc | 0.00% | 13,685 | $256,046 | $333,640 | +$77,594 | +30.30% | |
| Vanguard Global Advisers, Llc | 0.00% | 7,948 | $148,707 | $193,772 | +$45,065 | +30.30% | |
| Omega Fund Management, Llc | 0.03% | 2,893 | $54,128 | $70,531 | +$16,403 | +30.30% | |
| Legal & General Group Plc | 0.00% | 2,000 | $37,339 | $48,760 | +$11,421 | +30.59% |
Frequently asked questions about ODTX
Who owns the most ODTX stock?
The largest holders of ODTX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for Odyssey Therapeutics, Inc. (ODTX).
Is ODTX widely held by superinvestors?
Many widely followed stocks like ODTX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ODTX is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.