Immatics N.V. (IMTX) Ownership
IMTX ownership summary
as of October 18, 2026- Institutions
- 66.8% of shares outstanding
- Insiders
- 15.78% of shares outstanding
- Shares outstanding
- 152.2M
- Float
- 70.1M shares available to trade
- Short interest
- 3.36% 3.7M shares short
- Days to cover
- 5.07 short interest down 16.8% vs prior month
- Institutions 66.84%
- Insiders 15.78%
- Other investors 17.38%
IMTX top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | T. Rowe Price Investment Management,Inc. | 14.69% | 22.4M | $150.5M | +712,884 (+3.3%) | June 30, 2026 |
| 2 | RTW INVESTMENTS, LLC | 8.50% | 12.9M | $87.1M | +76,836 (+0.6%) | June 30, 2026 |
| 3 | Suvretta Capital Management, LLC | 7.35% | 11.2M | $75.3M | — | June 30, 2026 |
| 4 | Perceptive Advisors LLC | 6.82% | 10.4M | $69.9M | — | June 30, 2026 |
| 5 | Baker Bros Advisors LP | 6.25% | 9.5M | $64.0M | −1.4M (−12.9%) | June 30, 2026 |
| 6 | Jefferies Financial Group Inc | 4.27% | 6.5M | $43.8M | +1.4M (+28.6%) | June 30, 2026 |
| 7 | Vestal Point Capital LP | 4.06% | 6.2M | $41.6M | — | June 30, 2026 |
| 8 | Sofinnova Ventures | 2.41% | 3.7M | $24.7M | +38,892 (+1.1%) | June 30, 2026 |
| 9 | Morgan Stanley - Brokerage Accounts | 1.44% | 2.2M | $14.7M | +37,412 (+1.7%) | June 30, 2026 |
| 10 | Citadel Advisors Llc | 1.19% | 1.8M | $12.2M | −37,306 (−2.0%) | June 30, 2026 |
| 11 | Wellington Management Company LLP | 1.08% | 1.6M | $11.1M | +85,960 (+5.5%) | June 30, 2026 |
| 12 | Point72 Asset Management, L.P. | 0.95% | 1.4M | $9.8M | −44,203 (−3.0%) | June 30, 2026 |
| 13 | Woodline Partners LP | 0.59% | 901K | $6.1M | −99,861 (−10.0%) | June 30, 2026 |
| 14 | Sphera Funds Management Ltd. | 0.47% | 720K | $4.8M | +23,952 (+3.4%) | June 30, 2026 |
| 15 | University Of Texas Investment Mgmt Co | 0.46% | 697K | $4.7M | — | June 30, 2026 |
| 16 | Aberdeen Group PLC | 0.43% | 654K | $4.4M | −167,113 (−20.4%) | June 30, 2026 |
| 17 | Qube Research & Technologies | 0.34% | 523K | $3.5M | +156,445 (+42.7%) | June 30, 2026 |
| 18 | Boxer Capital Management, LLC | 0.31% | 475K | $3.2M | +475,000 (0.0%) | June 30, 2026 |
| 19 | TD Asset Management Inc | 0.30% | 449K | $3.0M | −21,096 (−4.5%) | June 30, 2026 |
| 20 | Wasatch Advisors LP | 0.29% | 442K | $3.0M | −23,313 (−5.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 9 holders added 3.1M shares and 7 cut 1.8M.
IMTX top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | T. Rowe Price Small-Cap Stock | 3.92% | 6.0M | $40.2M | +472,590 (+8.6%) | August 31, 2026 |
| 2 | T. Rowe Price Small-Cap Value | 3.67% | 5.6M | $37.6M | +526,586 (+10.4%) | August 31, 2026 |
| 3 | T. Rowe Price Instl Small-Cap Stock | 2.13% | 3.2M | $21.8M | +253,361 (+8.5%) | August 31, 2026 |
| 4 | RTW Biotech Opportunities Ord | 1.48% | 2.3M | $15.2M | +2.3M (0.0%) | December 31, 2025 |
| 5 | T. Rowe Price US Smlr Coms Eq A | 0.54% | 817K | $5.5M | +7,620 (+0.9%) | August 31, 2026 |
| 6 | abrdn World Healthcare | 0.51% | 775K | $5.2M | +203,410 (+35.6%) | August 31, 2026 |
| 7 | abrdn Life Sciences Investors | 0.30% | 460K | $3.1M | +143,940 (+45.5%) | August 31, 2026 |
| 8 | Wasatch Ultra Growth | 0.28% | 431K | $2.9M | −23,313 (−5.1%) | June 30, 2026 |
| 9 | Wellington Global Hlthcr Eq USD G Ac | 0.21% | 312K | $2.1M | +312,289 (0.0%) | August 31, 2026 |
| 10 | Northwestern Mutual Ser Small Cap Value | 0.19% | 287K | $1.9M | +855 (+0.3%) | June 30, 2026 |
| 11 | Vanguard International Explorer Inv | 0.15% | 221K | $1.5M | — | June 30, 2026 |
| 12 | Hartford Healthcare Y | 0.14% | 219K | $1.5M | +219,487 (0.0%) | August 31, 2026 |
| 13 | ALPS Medical Breakthroughs ETF | 0.13% | 198K | $1.3M | — | September 30, 2026 |
| 14 | TD US Small-Cap Equity - I | 0.13% | 197K | $1.3M | — | June 30, 2026 |
| 15 | International Biotechnology Ord | 0.13% | 197K | $1.3M | — | June 30, 2026 |
| 16 | State Street® SPDR® Ptf Dev Wld exUS ETF | 0.13% | 195K | $1.3M | — | September 30, 2026 |
| 17 | T. Rowe Price Spectrum Mod Gr Allc | 0.12% | 189K | $1.3M | +15,606 (+9.0%) | August 31, 2026 |
| 18 | Tema Oncology ETF | 0.12% | 183K | $1.2M | — | September 30, 2026 |
| 19 | Stt Strt®SPDR®S&PKenshoNwEcosComposETF | 0.12% | 180K | $1.2M | — | September 30, 2026 |
| 20 | Aesculape SRI IC | 0.11% | 160K | $1.1M | — | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
IMTX shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns IMTX
Institutional investors own 66.8% of Immatics's shares and insiders 15.78%. The largest holder is T. Rowe Price Investment Management,Inc. with 14.69% of the shares (22.4M), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 7 reduced their stake in the latest filings. Short interest is 3.36% of the float, or 5.07 days of average trading volume. The share count rose 100.4% since 2018.
Related: IMTX analyst forecast, IMTX key metrics. See the IMTX stock overview for the latest quote and news.
IMTX ownership FAQ
Who owns the most Immatics stock?
The largest shareholders of Immatics are T. Rowe Price Investment Management,Inc. (14.69%), RTW INVESTMENTS, LLC (8.50%), Suvretta Capital Management, LLC (7.35%), Perceptive Advisors LLC (6.82%), Baker Bros Advisors LP (6.25%).
What percentage of Immatics is owned by institutions?
Institutions hold 66.8% of Immatics's shares outstanding; insiders hold 15.78%.
Which funds own Immatics?
The largest fund holders of Immatics are T. Rowe Price Small-Cap Stock (3.92%), T. Rowe Price Small-Cap Value (3.67%), T. Rowe Price Instl Small-Cap Stock (2.13%), RTW Biotech Opportunities Ord (1.48%), T. Rowe Price US Smlr Coms Eq A (0.54%).
What is Immatics's short interest?
3.7M shares of Immatics were sold short, 3.36% of the float; at the average daily volume it would take 5.07 days to cover.
How many shares of Immatics are outstanding?
Immatics has 152.2M shares outstanding, of which 70.1M are in the public float.