We are live on ! Find out more
SION

Sionna Therapeutics

Name Holding Trade Value Shares
Change
Change in
Stake
RCM
1
RA Capital Management
Massachusetts
$109M +$171M +10,445,322 New
TGA
2
TPG GP A
Texas
$69.9M +$109M +6,684,962 New
O
3
OrbiMed
New York
$38.8M +$60.5M +3,704,959 New
AVLSA
4
Atlas Venture Life Science Advisors
Massachusetts
$38.6M +$60.4M +3,694,020 New
Viking Global Investors
5
Viking Global Investors
Connecticut
$30.9M +$48.2M +2,952,754 New
ES
6
Enavate Sciences
California
$25.9M +$40.5M +2,478,030 New
JP Morgan Chase
7
JP Morgan Chase
New York
$22.7M +$35.5M +2,169,599 New
PA
8
Perceptive Advisors
New York
$13.1M +$20.4M +1,251,101 New
T. Rowe Price Associates
9
T. Rowe Price Associates
Maryland
$10.4M +$16.3M +996,212 New
Jennison Associates
10
Jennison Associates
New York
$8.99M +$14.1M +859,927 New
DM
11
Deerfield Management
New York
$7.81M +$12.2M +747,000 New
Aberdeen Group
12
Aberdeen Group
United Kingdom
$7.8M +$12.2M +745,964 New
Vanguard Group
13
Vanguard Group
Pennsylvania
$5.71M +$8.92M +546,167 New
Franklin Resources
14
Franklin Resources
California
$5.23M +$8.17M +500,023 New
BBA
15
Baker Bros. Advisors
New York
$4.18M +$6.54M +400,000 New
DCM
16
Driehaus Capital Management
Illinois
$3.44M +$5.37M +328,889 New
Citadel Advisors
17
Citadel Advisors
Florida
$3.42M +$5.33M +326,500 New
SL
18
Siren LLC
Connecticut
$3.4M +$5.31M +325,000 New
SCM
19
Soleus Capital Management
Connecticut
$2.51M +$3.92M +240,000 New
ZP
20
Zimmer Partners
New York
$2.48M +$3.88M +237,500 New
Ameriprise
21
Ameriprise
Minnesota
$2.19M +$3.42M +209,266 New
BlackRock
22
BlackRock
New York
$2.08M +$3.24M +198,396 New
Alyeska Investment Group
23
Alyeska Investment Group
Illinois
$1.95M +$3.04M +186,222 New
Millennium Management
24
Millennium Management
New York
$1.87M +$2.93M +179,072 New
Geode Capital Management
25
Geode Capital Management
Massachusetts
$1.42M +$2.22M +135,563 New