Dianthus Therapeutics (DNTH)
Develops self-injected complement and dual-pathway therapies for severe autoimmune diseases.
$106.20
Pre-market−0.12 (−0.11%)
At close$106.32(−0.28%)
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Breakdown13F · 13D/G · Form 4
| Institutions277 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | ≈ 115.36% | 64.52M shares | |
| Insiders3 holders · as of Aug 14, 2026 | 0.19% | 106.1K shares | |
| Adds to | 115.55% |
55.93M company shares as of Sep 3, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
These groups come from separate filings that can overlap, so they add to 115.55%; nothing is left for Other.
Institutions13F, as of Jun 30, 2026
277 holders · 64.52M shares · 64 new positions · 184 increased · 66 reduced · 35 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| FMR LLC | 8.20M | 14.66% | +432.2K | Aug 13, 2026 |
| BlackRock, Inc. | 4.12M | 7.37% | +948.1K | Aug 7, 2026 |
| T. Rowe Price Investment Management, Inc. | 3.89M | 6.95% | +2.60M | Aug 14, 2026 |
| Wellington Management Group LLP | 3.23M | 5.77% | +634.1K | Aug 14, 2026 |
| Fairmount Funds Management LLC | 2.54M | 4.54% | 0 | Aug 14, 2026 |
| Price T Rowe Associates Inc /MD/ | 2.51M | 4.50% | +1.37M | Aug 14, 2026 |
| State Street Corp | 2.36M | 4.21% | +958.5K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 2.16M | 3.86% | +128.3K | Aug 13, 2026 |
Ownership statements13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| FMR LLC | 15.00% | 5.97M | 13G | Nov 5, 2025 ↗ |
| T. Rowe Price Investment Management, Inc. | 7.10% | 3.89M | 13G | Aug 7, 2026 ↗ |
| Ting Jiaincl. Octagon Private Opportunities Fund II LP, Octagon Capital Advisors LP +1 more | 6.00% | 1.75M | 13G | Oct 11, 2024 ↗ |
| Wellington Management Group LLP | 5.90% | 3.23M | 13G | Aug 13, 2026 ↗ |
| Sirenia Capital Management LP | 5.30% | 2.80M | 13G | May 15, 2026 ↗ |
| BlackRock, Inc. | 5.10% | 2.63M | 13G | Apr 27, 2026 ↗ |
Insider tradesForm 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 19, 2026 | Simon Readdirector | Sale | 2,778 | $117.55 | 0 |
| Aug 10, 2026 | Anne McGeorgedirector | Sale · 5 lots | 7,750 | $109.01 | 0 |
| Aug 10, 2026 | Adam M. Venessofficer: SVP, General Counsel and Sec. | Sale | 16,167 | $110.38 | 0 |
| Aug 7, 2026 | Adam M. Venessofficer: SVP, General Counsel and Sec. | Sale · 2 lots | 3,833 | $110.70 | 0 |
| Aug 10, 2026 | Simon Readdirector | Sale · 6 lots | 2,777 | $109.55 | 0 |
| Aug 7, 2026 | Marino Garciadirector, officer: CEO AND PRESIDENT | Sale · 7 lots | 166,000 | $108.11 | 65,292 |
| Jul 9, 2026 | Ryan Savitzofficer: EVP, CFO & CBO | Sale · 3 lots | 31,249 | $101.03 | 0 |
| Jun 17, 2026 | Adam M. Venessofficer: SVP, General Counsel and Sec. | Sale · 2 lots | 30,000 | $80.80 | 0 |
| Jun 1, 2026 | Simrat Randhawaofficer: EVP, Head of R&D | Sale · 3 lots | 26,530 | $90.62 | 4,000 |
| May 8, 2026 | Paula Soteropoulosdirector | Sale | 599 | $85.47 | 0 |
CongressHouse and Senate disclosures
Not reported.