80% buyers of institutions opening or closing positions this quarter
72 more new buyers than exits, ownership rose 82.04 percentage points vs the prior quarter, and 2 well-known fund managers in the top 25.
80% buyers of institutions opening or closing positions this quarter
137.1% institutional ownership
Avidity Partners Management portfolio allocation
Institutional ownership vs Biotechnology peers
No Form 4 insider transactions on file
Latest positioning in DNTH across 13F flow, ownership shift, marquee holders, and holder-count growth.
Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in DNTH held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 7.8M | $651.9M | +20.8% | 18.605% | 0.03% |
| 2 | BlackRock, Inc. | 3.2M | $266.5M | +65.8% | 7.606% | 0.00% |
| 3 | RA CAPITAL MANAGEMENT, L.P. | 2.6M | $219.2M | +62.1% | 6.256% | 2.32% |
| 4 | WELLINGTON MANAGEMENT GROUP LLP | 2.6M | $217.8M | +3.7% | 6.217% | 0.04% |
| 5 | Fairmount Funds Management LLC | 2.5M | $212.9M | +18.7% | 6.077% | 15.38% |
| 6 | Avidity Partners Management LP | 2.1M | $184.7M | 0.0% | 5.040% | 41.81% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2.0M | $170.5M | β | 4.865% | 0.00% |
| 8 | Octagon Capital Advisors LP | 1.9M | $163.4M | -19.4% | 4.663% | 18.08% |
| 9 | TCG Crossover Management, LLC | 1.7M | $140.7M | 0.0% | 4.016% | 4.03% |
| 10 | CITADEL ADVISORS LLC | 1.6M | $138.4M | +52.7% | 3.950% | 0.02% |
| 11 | STATE STREET CORP | 1.4M | $117.4M | -7.2% | 3.351% | 0.00% |
| 12 | VR Adviser, LLC | 1.2M | $99.0M | +18.0% | 2.826% | 3.70% |
| 13 | FRED ALGER MANAGEMENT, LLC | 1.2M | $97.5M | +3372.6% | 2.783% | 0.43% |
| 14 | Polar Capital Holdings Plc | 1.1M | $90.3M | +7.1% | 2.577% | 0.32% |
| 15 | DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 1.0M | $85.6M | β | 2.443% | 1.01% |
| 16 | FRANKLIN RESOURCES INC | 968K | $81.2M | +109.2% | 2.319% | 0.02% |
| 17 | Cormorant Asset Management, LP | 950K | $79.7M | β | 2.275% | 4.00% |
| 18 | GEODE CAPITAL MANAGEMENT, LLC | 916K | $76.9M | +35.4% | 2.195% | 0.00% |
| 19 | BRAIDWELL LP | 899K | $75.5M | -29.4% | 2.154% | 2.52% |
| 20 | BAKER BROS. ADVISORS LP | 852K | $71.5M | +7.9% | 2.041% | 0.41% |
| 21 | FARALLON CAPITAL MANAGEMENT LLC | 836K | $70.2M | β | 2.002% | 0.40% |
| 22 | UBS Group AG | 781K | $65.6M | +28.8% | 1.871% | 0.01% |
| 23 | SILVERARC CAPITAL MANAGEMENT, LLC | 655K | $54.9M | -12.7% | 1.568% | 5.61% |
| 24 | Point72 Asset Management, L.P. | 644K | $54.0M | -44.8% | 1.542% | 0.07% |
| 25 | Catalio Capital Management, LP | 560K | $47.0M | -14.3% | 1.342% | 9.82% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in DNTH β a direct measure of their conviction.
Filings activity in DNTH during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 238 | +43% | 137.05% | +82.04 pp | $4.97B | +149% |
| Q4 2025 | 166 | +19% | 55.01% | +4.15 pp | $1.99B | +8.1% |
| Q3 2025 | 139 | +34% | 50.86% | +30.82 pp | $1.84B | +154% |
| Q2 2025 | 104 | +5.1% | 20.04% | +1.48 pp | $726M | +8.0% |
| Q1 2025 | 99 | +3.1% | 18.56% | 2.26 pp | $673M | 11% |
| Q4 2024 | 96 | +5.5% | 20.82% | 2.76 pp | $755M | 12% |
| Q3 2024 | 91 | +21% | 23.58% | +2.40 pp | $855M | +11% |
| Q2 2024 | 75 | β | 21.18% | β | $768M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
No recent Form 4 insider transactions on file for DNTH.
Quick answers to the most common questions about buying DNTH stock.
Based on Q1 2026 13F filings, institutional ownership of Dianthus Therapeutics, Inc. stands at 137.1%, held across 238 reporting institutions.
FMR LLC is the largest reported institutional holder of DNTH, with approximately 7,767,686 shares worth $0.65B as of Q1 2026.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of DNTH, including CITADEL ADVISORS LLC, Point72 Asset Management, L.P..
Our composite Smart Money Score for DNTH is 72 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
96 institutions opened new positions in DNTH during Q1 2026, while 24 fully exited. 125 added to existing positions and 17 trimmed.
DNTH institutional ownership rose by 82.04 percentage points quarter-over-quarter, with a net change of β holders.
The top 10 institutions account for 47.6% of all reported 13F value in DNTH, and the top 25 account for 71.1%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.