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SION

Sionna Therapeutics

Name Holding Trade Value Shares
Change
Change in
Stake
RCM
1
RA Capital Management
Massachusetts
$436M
TGA
2
TPG GP A
Texas
$286M
Viking Global Investors
3
Viking Global Investors
Connecticut
$141M
AVLSA
4
Atlas Venture Life Science Advisors
Massachusetts
$132M
O
5
OrbiMed
New York
$112M -$39M -974,825 -28%
ES
6
Enavate Sciences
California
$109M
Adage Capital Partners
7
Adage Capital Partners
Massachusetts
$70.4M +$58M +1,450,000 +967%
BlackRock
8
BlackRock
New York
$64.9M +$7.16M +178,902 +14%
JP Morgan Chase
9
JP Morgan Chase
New York
$64.1M +$1.02M +25,494 +2%
Jennison Associates
10
Jennison Associates
New York
$51.6M -$11.2M -279,087 -19%
Citadel Advisors
11
Citadel Advisors
Florida
$50.5M -$772K -19,295 -2%
Vanguard Capital Management
12
Vanguard Capital Management
Pennsylvania
$49.8M +$4.1M +102,504 +10%
State Street
13
State Street
Massachusetts
$44.9M +$10.6M +265,307 +35%
PA
14
Perceptive Advisors
New York
$39.8M +$9.86M +246,561 +37%
DM
15
Deerfield Management
New York
$30M -$11.6M -289,674 -30%
SL
16
Siren LLC
Connecticut
$26.9M +$12.4M +310,515 +104%
T. Rowe Price Associates
17
T. Rowe Price Associates
Maryland
$21M -$11.1M -278,360 -37%
EAM
18
Eventide Asset Management
Massachusetts
$20.9M -$6.82M -170,549 -26%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$20.1M +$2.69M +67,273 +17%
BBA
20
Baker Bros. Advisors
New York
$17.6M
CC
21
Casdin Capital
New York
$17.6M +$16M +400,000 New
Goldman Sachs
22
Goldman Sachs
New York
$17.1M +$5.03M +125,636 +48%
DCM
23
Driehaus Capital Management
Illinois
$17M +$12.4M +308,814 +403%
Franklin Resources
24
Franklin Resources
California
$12.8M +$4.59M +114,630 +65%
Aberdeen Group
25
Aberdeen Group
United Kingdom
$12.5M -$11.2M -280,037 -50%