Dianthus Therapeutics, Inc.
DNTH- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001690585
In the last 90 days, Dianthus Therapeutics, Inc. insiders filed 0 open-market purchases and 3 sales; 269 institutions reported holding it in 13F filings for Q2 2026, worth $6.40B in total; no superinvestor holds it.
Holders of 5% or more of DNTH
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Dianthus Therapeutics, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| FMR LLC | 13G/A | 15.00%5.97M shares | +1.00 ppfrom 14.00% | Nov 13, 20233 filings | Nov 5, 2025 | SEC |
| T. Rowe Price Investment Management, Inc. | 13G/A | 12.10%6.63M shares | +5.00 ppfrom 7.10% | Aug 7, 20262 filings | Aug 7, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 6.40%3.50M shares | +1.30 ppfrom 5.10% | Oct 24, 20245 filings | Jul 28, 2026 | SEC |
| Wellington Management Group LLP | 13G | 5.90%3.23M shares | +1.10 ppfrom 4.80% | Nov 12, 20253 filings | Aug 13, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.08%2.85M shares | New | Oct 30, 20261 filing | Oct 30, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
83 Schedule 13D and 13G filings on Dianthus Therapeutics, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Oct 30, 202611:26 AM ET | Vanguard Capital Management LLC | 13G | 5.08%2.85M shares | New | Sep 30, 2026 | SEC |
| Aug 14, 20268:33 AM ET | Sirenia Capital Management LPand 1 other | 13G/A | 3.10%1.70M shares | −2.20 ppfrom 5.30%Below 5% | Jun 30, 2026 | SEC |
| Aug 13, 20264:05 PM ET | Wellington Management Group LLPand 3 others | 13G | 5.90%3.23M shares | +1.10 ppfrom 4.80% | Jun 30, 2026 | SEC |
| Aug 7, 20262:28 PM ET | T. Rowe Price Investment Management, Inc. | 13G/A | 12.10%6.63M shares | +5.00 ppfrom 7.10% | Jul 31, 2026 | SEC |
| Aug 7, 20262:22 PM ET | T. Rowe Price Investment Management, Inc. | 13G | 7.10%3.89M shares | New | Jun 30, 2026 | SEC |
| Jul 28, 20264:44 PM ET | BlackRock, Inc. | 13G/A | 6.40%3.50M shares | +1.30 ppfrom 5.10% | Jun 30, 2026 | SEC |
| May 15, 20264:40 PM ET | Ra Capital Management, L.P.and 3 others | 13G/A | 4.80%2.61M shares | −1.20 ppfrom 6.00%Below 5% | Mar 31, 2026 | SEC |
| May 15, 20264:27 PM ET | Point72 Asset Management, L.P.and 2 others | 13G/A | 1.20%643.6K shares | −5.70 ppfrom 6.90%Below 5% | Mar 31, 2026 | SEC |
| May 15, 20268:13 AM ET | Sirenia Capital Management LPand 1 other | 13G | 5.30%2.80M shares | New | Mar 31, 2026 | SEC |
| May 15, 20267:24 AM ET | Wellington Management Group LLPand 2 others | 13G/A | 4.80%2.60M shares | −1.70 ppfrom 6.50%Below 5% | Mar 31, 2026 | SEC |
| May 14, 20264:01 PM ET | Octagon Capital Advisors LPand 3 others | 13G/A | 3.60%1.95M shares | −2.50 ppfrom 6.10%Below 5% | Mar 31, 2026 | SEC |
| Apr 27, 20264:12 PM ET | BlackRock, Inc. | 13G | 5.10%2.63M shares | +0.10 ppfrom 5.00% | Mar 31, 2026 | SEC |
| Feb 17, 20264:35 PM ET | Point72 Asset Management, L.P.and 2 others | 13G/A | 6.90%2.98M shares | +1.60 ppfrom 5.30% | Dec 31, 2025 | SEC |
| Feb 17, 20264:25 PM ET | Ra Capital Management, L.P.and 3 others | 13G/A | 6.00%2.61M shares | −3.50 ppfrom 9.50% | Dec 31, 2025 | SEC |
| Nov 25, 20259:00 PM ET | Fairmount Funds Management LLCand 3 others | 13D/A | 4.90%2.14M shares | −5.00 ppfrom 9.90%Below 5% | Nov 21, 2025 | SEC |
| Nov 19, 20259:15 PM ET | Avidity Partners Management LPand 5 others | 13D/A | 4.90%2.10M shares | −5.00 ppfrom 9.90%Below 5% | Nov 17, 2025 | SEC |
| Nov 14, 20254:46 PM ET | Octagon Capital Advisors LPand 3 others | 13G/A | 6.10%2.42M shares | −1.00 ppfrom 7.10% | Sep 30, 2025 | SEC |
| Nov 14, 20254:30 PM ET | BCLS Fund III Investments, LP | 13G/A | 3.10%1.32M shares | −4.40 ppfrom 7.50%Below 5% | Sep 30, 2025 | SEC |
| Nov 14, 20254:13 PM ET | Ra Capital Management, L.P.and 3 others | 13G/A | 9.50%3.87M shares | +0.60 ppfrom 8.90% | Sep 30, 2025 | SEC |
| Nov 14, 20254:06 PM ET | Vestal Point Capital, LPand 1 other | 13G/A | 3.00%1.18M shares | −6.95 ppfrom 9.95%Below 5% | Sep 30, 2025 | SEC |
| Nov 14, 20258:09 AM ET | Deep Track Capital, LPand 2 others | 13G/A | 0.00%0 shares | −7.34 ppfrom 7.34%Below 5% | Sep 30, 2025 | SEC |
| Nov 12, 20259:33 AM ET | Wellington Management Group LLPand 3 others | 13G | 6.50%2.58M shares | New | Sep 30, 2025 | SEC |
| Nov 5, 202511:30 AM ET | FMR LLCand 1 other | 13G/A | 15.00%5.97M shares | +1.00 ppfrom 14.00% | Sep 30, 2025 | SEC |
| Sep 15, 20254:15 PM ET | Fairmount Funds Management LLCand 4 others | 13D/A | 9.90%4.05M shares | – | Sep 11, 2025 | SEC |
| Sep 12, 20254:10 PM ET | Point72 Asset Management, L.P.and 2 others | 13G | 5.30%2.12M shares | +0.80 ppfrom 4.50% | Sep 11, 2025 | SEC |
| Aug 14, 20255:58 PM ET | Venrock Healthcare Capital Partners III, L.P.and 6 others | 13G/A | 3.10%1.00M shares | –Below 5% | Jun 30, 2025 | SEC |
| Aug 14, 20255:33 PM ET | Point72 Asset Management, L.P.and 2 others | 13G/A | 4.50%1.45M shares | −1.40 ppfrom 5.90%Below 5% | Jun 30, 2025 | SEC |
| Aug 14, 20254:00 PM ET | BCLS Fund III Investments, LP | 13G/A | 7.50%2.48M shares | −1.30 ppfrom 8.80% | Jun 30, 2025 | SEC |
| Aug 14, 20253:47 PM ET | Vestal Point Capital, LPand 1 other | 13G/A | 9.95%3.20M shares | +4.65 ppfrom 5.30% | Jun 30, 2025 | SEC |
| May 15, 20254:55 PM ET | Ra Capital Management, L.P.and 3 others | 13G/A | 8.90%2.87M shares | −0.50 ppfrom 9.40% | Mar 31, 2025 | SEC |
| May 15, 20254:34 PM ET | TCG Crossover GP II, LLCand 2 others | 13G/A | 4.70%1.50M shares | –Below 5% | Mar 31, 2025 | SEC |
| May 15, 20254:14 PM ET | Vestal Point Capital, LPand 1 other | 13G | 5.30%1.70M shares | New | Mar 31, 2025 | SEC |
| May 12, 202510:28 AM ET | FMR LLCand 1 other | 13G/A | 14.00%4.48M shares | – | Mar 31, 2025 | SEC |
| Apr 24, 20252:17 PM ET | BlackRock, Inc. | 13G/A | 5.00%1.60M shares | – | Mar 31, 2025 | SEC |
| Apr 17, 20254:10 PM ET | Point72 Asset Management, L.P.and 2 others | 13G | 5.90%1.89M shares | New | Apr 10, 2025 | SEC |
| Mar 24, 20254:08 PM ET | Deep Track Capital, LPand 2 others | 13G | 7.34%2.36M shares | – | Mar 17, 2025 | SEC |
| Mar 19, 20259:30 PM ET | Avidity Partners Management LPand 6 others | 13D/A | 9.90%3.38M shares | – | Mar 17, 2025 | SEC |
| Feb 14, 20256:32 PM ET | Ra Capital Management, L.P.and 3 others | 13G/A | 9.40%2.87M shares | – | Dec 31, 2024 | SEC |
| Feb 14, 20257:54 AM ET | BCLS Fund III Investments, LP | 13G/A | 8.80%2.69M shares | – | Dec 31, 2024 | SEC |
| Feb 5, 20255:42 PM ET | Octagon Capital Advisors LPand 3 others | 13G/A | 7.10%2.11M shares | – | Dec 31, 2024 | SEC |
| Dec 3, 2024 | Avidity Partners Management LP | 13D/AOld format | – | – | – | SEC |
| Nov 22, 2024 | TCG Crossover GP II, LLC | 13GOld format | – | New | – | SEC |
| Nov 14, 2024 | 5AM Partners VII, LLC | 13G/AOld format | – | – | – | SEC |
| Nov 14, 2024 | Venrock Healthcare Capital Partners III, L.P. | 13G/AOld format | – | – | – | SEC |
| Nov 8, 2024 | BlackRock, Inc. | 13GOld format | – | – | – | SEC |
| Oct 24, 2024 | BlackRock, Inc. | 13GOld format | – | New | – | SEC |
| Oct 11, 2024 | Octagon Capital Advisors LP | 13GOld format | – | New | – | SEC |
| Sep 12, 2024 | Viridian, LLC | 13D/AOld format | – | – | – | SEC |
| Apr 1, 2024 | Fairmount Funds Management LLC | 13D/AOld format | – | – | – | SEC |
| Feb 14, 2024 | Third Rock Ventures IV, L.P. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
22 notices from officers, directors and other affiliates planning to sell Dianthus Therapeutics, Inc. shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Nov 9, 20264:36 PM ET | Ryan SavitzOfficer | 124.0K | $10.7M | Nov 9, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 17, 20264:28 PM ET | Edward CarrOfficer | 20.0K | $2.05M | Sep 17, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 1, 20264:49 PM ET | Simrat RandhawaOfficer | 23.1K | $2.44M | Sep 1, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 10, 20264:50 PM ET | Adam VenessOfficer | 16.2K | $1.76M | Aug 10, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 10, 20264:34 PM ET | Read SimonOfficer | 5.55K | $624.4K | Aug 10, 202610b5-1 | Jefferies LLC | SEC |
| Aug 10, 20264:33 PM ET | Anne M McGeorgeDirector | 7.75K | $844.1K | Aug 10, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 7, 20264:38 PM ET | Marino GarciaDirector · Officer | 40.0K | $4.40M | Aug 7, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 7, 20264:37 PM ET | Adam VenessOfficer | 3.83K | $421.3K | Aug 7, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Aug 7, 20264:18 PM ET | Marino GarciaOfficer | 126.0K | $13.6M | Aug 7, 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jul 9, 20264:26 PM ET | Ryan SavitzOfficer | 31.2K | $3.06M | Jul 9, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 17, 20264:33 PM ET | Adam M VenessOfficer | 30.0K | $2.37M | Jun 17, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 1, 20264:13 PM ET | Simrat RandhawaOfficer | 26.5K | $2.47M | Jun 1, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Apr 9, 20264:22 PM ET | Ryan SavitzOfficer | 8.22K | $719.4K | Apr 9, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Mar 31, 20264:25 PM ET | Ryan SavitzOfficer | 114.4K | $9.09M | Mar 31, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Mar 31, 20264:21 PM ET | Paula C SoteropoulosDirector | 1.20K | $95.2K | Mar 31, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Mar 24, 20264:29 PM ET | Paula C SoteropoulosDirector | 27.6K | $2.19M | Mar 24, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Mar 12, 20264:59 PM ET | Marino GarciaDirector · Officer | 122.9K | $10.6M | Mar 12, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Mar 12, 20264:30 PM ET | Simrat RandhawaOfficer | 33.8K | $2.90M | Mar 12, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Mar 12, 20264:23 PM ET | Edward CarrOfficer | 43.7K | $3.75M | Mar 12, 202610b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Dec 4, 20254:42 PM ET | Ryan SavitzOfficer | 20.0K | $879.4K | Dec 4, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 13, 20254:23 PM ET | Simrat RandhawaOfficer | 196.5K | $7.61M | Nov 13, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Sep 9, 20254:27 PM ET | Ryan SavitzOfficer | 20.0K | $636.0K | Sep 9, 202510b5-1 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |