DIANTHUS THERAPEUTICS INC (DNTH) Institutional Ownership Changes & 13F Activity
DIANTHUS THERAPEUTICS INC (DNTH). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include T. Rowe Price Investment Management, Inc., Price T Rowe Associates Inc, Citadel Advisors Llc, Wellington Management Group Llp, and Ameriprise Financial Inc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Anchor Investment Management, Llc | Buy | +6 | — | 6 | $585.00 | Q2 2026 | Sep 15, 2026 |
| Manufacturers Life Insurance Company, The | Sell | -2,409 | -3.7% | 62,829 | $6.12M | Q2 2026 | Sep 09, 2026 |
| Citadel Advisors Llc | Sell | -635,572 | -39.5% | 974,911 | $95.03M | Q2 2026 | Sep 02, 2026 |
| California State Teachers Retirement System | Buy | +1,479 | +3.6% | 42,063 | $4.10M | Q2 2026 | Aug 24, 2026 |
| Assenagon Asset Management S.A. | Buy | +280,649 | — | 280,649 | $27.36M | Q2 2026 | Aug 21, 2026 |
| Mercer Global Advisors Inc | Buy | +65,683 | — | 65,683 | $6.40M | Q2 2026 | Aug 19, 2026 |
| Jefferies Financial Group Inc. | Sell | -196,524 | -97.1% | 5,886 | $573.77K | Q2 2026 | Aug 17, 2026 |
| Seven Fleet Capital Management Lp | Buy | +10,465 | +19.3% | 64,723 | $6.31M | Q2 2026 | Aug 17, 2026 |
| Capstone Investment Advisors, Llc | Buy | +2,121 | — | 2,121 | $206.75K | Q2 2026 | Aug 17, 2026 |
| T. Rowe Price Investment Management, Inc. | Buy | +2,596,274 | +200.9% | 3,888,456 | $379.05M | Q2 2026 | Aug 14, 2026 |
| Price T Rowe Associates Inc | Buy | +1,367,998 | +119.3% | 2,514,946 | $245.16M | Q2 2026 | Aug 14, 2026 |
| Wellington Management Group Llp | Buy | +634,099 | +24.4% | 3,229,882 | $314.85M | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +531,999 | — | 531,999 | $51.86M | Q2 2026 | Aug 14, 2026 |
| Catalio Capital Management, Lp | Sell | -527,367 | -94.1% | 32,941 | $3.21M | Q2 2026 | Aug 14, 2026 |
| Logos Global Management Lp | Buy | +400,000 | +100.0% | 800,000 | $77.98M | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Sell | -312,080 | -65.8% | 162,005 | $15.79M | Q2 2026 | Aug 14, 2026 |
| Sio Capital Management, Llc | Sell | -310,791 | -84.0% | 59,254 | $5.78M | Q2 2026 | Aug 14, 2026 |
| Braidwell Lp | Sell | -304,802 | -33.9% | 594,562 | $57.96M | Q2 2026 | Aug 14, 2026 |
| Samlyn Capital, Llc | Sell | -234,789 | -54.5% | 196,326 | $19.14M | Q2 2026 | Aug 14, 2026 |
| Cormorant Asset Management, Lp | Sell | -200,000 | -21.1% | 750,000 | $73.11M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Sell | -170,124 | -64.9% | 91,838 | $8.95M | Q2 2026 | Aug 14, 2026 |
| Qube Research & Technologies Ltd | Buy | +166,570 | +548.8% | 196,924 | $19.20M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Sell | -165,849 | -30.3% | 382,161 | $37.25M | Q2 2026 | Aug 14, 2026 |
| Fred Alger Management, Llc | Buy | +140,570 | +12.1% | 1,302,493 | $126.97M | Q2 2026 | Aug 14, 2026 |
| Nicholas Investment Partners, Lp | Buy | +135,519 | +264.4% | 186,769 | $18.21M | Q2 2026 | Aug 14, 2026 |
| Lord, Abbett & Co. Llc | Buy | +122,975 | +41.1% | 422,185 | $41.16M | Q2 2026 | Aug 14, 2026 |
| Stempoint Capital Lp | Buy | +115,349 | +134.9% | 200,851 | $19.58M | Q2 2026 | Aug 14, 2026 |
| Orbimed Advisors Llc | Buy | +115,000 | — | 115,000 | $11.21M | Q2 2026 | Aug 14, 2026 |
| Lmr Partners Llp | Buy | +107,551 | +92.4% | 223,995 | $21.84M | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Buy | +107,455 | — | 107,455 | $10.47M | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about DNTH activity
Which institutional owners are buying DNTH?
Institutional owners buying DNTH include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in DNTH activity?
"Buy" means an investor increased their reported position in DNTH compared to the prior reporting period. This reflects growing exposure to DIANTHUS THERAPEUTICS INC (DNTH) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in DNTH increasing?
Institutional interest in DNTH can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
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