DOSSIER · 13F Holders · Q1 2026CyclicalNet sold

DNTH

DIANTHUS THERAPEUTICS INC

246 institutions still hold DIANTHUS THERAPEUTICS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 252828108·246 13F holders·last filed Mar 31, 2026

Market cap

—

▲ 4.8%

vs prior quarter

13F value held

$3.3B

75.0% inst. owned

of float

Holders

246

+68 QoQ

filers reporting

Activity

+46 / −111

+895 added · −967 reduced

this quarter

Concentration

19.95%

FMR LLC #1

top holder share

AI Holders Summary · Q1 2026

246 institutions reported DNTH in Q1 2026. FMR LLC leads at 20.0% of the visible book. +68 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

Hide index funds / market makers / custodians(2 on this page)

#HolderValueShares% port.Quarter

$652M7.8M0.03%Q1 2026 02

Avidity Partners Management LP

$361M4.2M38.62%Q1 2026 03

BlackRock, Inc.

$267M3.2M0.00%Q1 2026 04

RA CAPITAL MANAGEMENT, L.P.

$219M2.6M2.32%Q1 2026 05

WELLINGTON MANAGEMENT GROUP LLP

$218M2.6M0.04%Q1 2026 06

Fairmount Funds Management LLC

$213M2.5M15.38%Q1 2026 07

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$170M2.0M0.00%Q1 2026 08

Octagon Capital Advisors LP

$163M1.9M18.08%Q1 2026 09

TCG Crossover Management, LLC

$141M1.7M4.03%Q1 2026 10

STATE STREET CORP

$117M1.4M0.00%Q1 2026 11

FRED ALGER MANAGEMENT, LLC

$98M1.2M0.43%Q1 2026 12

Polar Capital Holdings Plc

$90M1.1M0.32%Q1 2026 13

FRANKLIN RESOURCES INC

$81M968K0.02%Q1 2026 14

Cormorant Asset Management, LP

$80M950K4.00%Q1 2026 15

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$77M916K0.00%Q1 2026 16

$75M899K2.52%Q1 2026 17

FARALLON CAPITAL MANAGEMENT LLC

$70M836K0.40%Q1 2026 18

$66M781K0.01%Q1 2026 19

SILVERARC CAPITAL MANAGEMENT, LLC

$55M655K5.61%Q1 2026 20

Point72 Asset Management, L.P.

$54M644K0.07%Q1 2026

Page 1 of 13

226 more holders available. Log in →