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 8 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 | 14.00%4.48M shares | – | May 12, 20251 filing | May 12, 2025 | SEC |
| Ra Capital Management, L.P. | 13G/A | 9.50%3.87M shares | +0.60 ppfrom 8.90% | Feb 14, 20253 filings | Nov 14, 2025 | SEC |
| Octagon Capital Advisors LP | 13G/A | 6.10%2.42M shares | −1.00 ppfrom 7.10% | Feb 5, 20252 filings | Nov 14, 2025 | SEC |
| Point72 Asset Management, L.P. | 13G | 5.30%2.12M shares | +0.80 ppfrom 4.50% | Apr 17, 20253 filings | Sep 12, 2025 | SEC |
| BlackRock, Inc. | 13G/A | 5.00%1.60M shares | – | Apr 24, 20251 filing | Apr 24, 2025 | 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
24 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 |
|---|---|---|---|---|---|---|
| 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 |
| 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 | New | 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 |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Dianthus Therapeutics, Inc. shares.
No Form 144 notices for Dianthus Therapeutics, Inc. are on file.