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SION

Sionna Therapeutics

Name Holding Trade Value Shares
Change
Change in
Stake
RCM
1
RA Capital Management
Massachusetts
$181M
TGA
2
TPG GP A
Texas
$117M +$786K +60,000 +0.9%
O
3
OrbiMed
New York
$64.3M
AVLSA
4
Atlas Venture Life Science Advisors
Massachusetts
$64.1M
Viking Global Investors
5
Viking Global Investors
Connecticut
$55.4M +$3.18M +242,427 +8%
ES
6
Enavate Sciences
California
$43M
JP Morgan Chase
7
JP Morgan Chase
New York
$38.5M +$676K +51,589 +2%
PA
8
Perceptive Advisors
New York
$21.1M -$459K -35,056 -3%
B
9
Braidwell
Connecticut
$18.8M +$14.2M +1,081,855 New
DM
10
Deerfield Management
New York
$16.8M +$2.93M +223,590 +30%
Aberdeen Group
11
Aberdeen Group
United Kingdom
$16.5M +$2.68M +204,583 +27%
T. Rowe Price Associates
12
T. Rowe Price Associates
Maryland
$14.9M -$1.77M -134,974 -14%
Jennison Associates
13
Jennison Associates
New York
$13.1M -$1.4M -107,127 -12%
BlackRock
14
BlackRock
New York
$11.1M +$5.75M +438,708 +221%
Vanguard Group
15
Vanguard Group
Pennsylvania
$10.9M +$1.1M +84,184 +15%
Franklin Resources
16
Franklin Resources
California
$8.68M
BBA
17
Baker Bros. Advisors
New York
$6.94M
SCM
18
Soleus Capital Management
Connecticut
$6.52M +$1.78M +136,000 +57%
SL
19
Siren LLC
Connecticut
$5.64M
Geode Capital Management
20
Geode Capital Management
Massachusetts
$5.02M +$2.01M +153,712 +113%
Ameriprise
21
Ameriprise
Minnesota
$4.11M +$361K +27,547 +13%
Alyeska Investment Group
22
Alyeska Investment Group
Illinois
$3.23M
SCM
23
Silverarc Capital Management
Massachusetts
$3.23M +$942K +71,877 +63%
Prudential Financial
24
Prudential Financial
New Jersey
$2.35M +$946K +72,185 +115%
Citadel Advisors
25
Citadel Advisors
Florida
$2.25M -$2.58M -196,588 -60%