13F Insight
DOSSIER · 13F Holders · Q1 2026Healthcare · Pharmaceutical PreparationsMost-boughtAI cap-ex
SLNO

SOLENO THERAPEUTICS INC

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

CUSIP 834203309·Pharmaceutical Preparations·244 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 2.4%
vs prior quarter
13F value held
$1.5B
53.0% inst. owned
of float
Holders
244
+4 QoQ
filers reporting
Activity
+74 / −24
+905 added · −733 reduced
this quarter
Concentration
15.75%
JANUS HENDERSON GROUP PLC #1
top holder share
AI Holders Summary · Q1 2026

244 institutions reported SLNO in Q1 2026. JANUS HENDERSON GROUP PLC leads at 15.8% of the visible book. +4 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
JANUS HENDERSON GROUP PLC
CIK 0001274173
$238M7.1M0.11%Q1 202602
FMR LLC
CIK 0000315066
$194M5.8M0.01%Q1 202603
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$148M4.4M0.03%Q1 202604
BlackRock, Inc.
CIK 0002012383
$125M3.7M0.00%Q1 202605
STATE STREET CORP
CIK 0000093751
$90M2.7M0.00%Q1 202606
Nantahala Capital Management, LLC
CIK 0001472322
$84M2.5M3.07%Q1 202607
Avoro Capital Advisors LLC
CIK 0001633313
$77M2.3M0.76%Q1 202608
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$72M2.2M0.00%Q1 202609
Polar Capital Holdings Plc
CIK 0001837309
$57M1.7M0.20%Q1 202610
Caption Management, LLC
CIK 0001706766
$53M1.6M0.31%Q1 202611
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$52M1.6M0.01%Q1 202612
Khrom Capital Management LLC
CIK 0001877963
$51M1.5M4.63%Q1 202613
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$41M1.2M0.00%Q1 202614
READYSTATE ASSET MANAGEMENT LP
CIK 0001900923
$40M874K1.64%Q4 202515
Woodline Partners LP
CIK 0001784547
$37M1.1M0.14%Q1 202616
Deep Track Capital, LP
CIK 0001856083
$36M1.1M0.59%Q1 202617
BRAIDWELL LP
CIK 0001920938
$32M959K1.07%Q1 202618
CITADEL ADVISORS LLC
CIK 0001423053
$28M612K0.00%Q4 202519
FRANKLIN RESOURCES INC
CIK 0000038777
$28M835K0.01%Q1 202620
Vestal Point Capital, LP
CIK 0001974915
$24M730K0.68%Q1 2026
Page 1 of 13
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