SIONNA THERAPEUTICS INC

Ticker: SION CUSIP: 829401108 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
RA CAPITAL MANAGEMENT, L.P.9,905,045$407,494
TPG GP A, LLC6,744,962$277,488
ORBIMED ADVISORS LLC3,561,655$146,526
VIKING GLOBAL INVESTORS LP3,195,181$131,450
Atlas Venture Life Science Advisors, LLC2,995,602$123,239
Enavate Sciences GP, LLC2,478,030$101,946
BlackRock, Inc.1,291,599$53,136
JPMORGAN CHASE & CO1,231,819$50,677
VANGUARD GROUP INC1,184,951$48,749
PERCEPTIVE ADVISORS LLC1,179,098$48,508
JENNISON ASSOCIATES LLC1,115,278$45,883
CITADEL ADVISORS LLC1,087,325$44,733
DEERFIELD MANAGEMENT COMPANY, L.P.970,590$39,930
abrdn plc839,960$34,556
PRICE T ROWE ASSOCIATES INC /MD/831,373$34
STATE STREET CORP693,395$28,526
EVENTIDE ASSET MANAGEMENT, LLC639,045$26,290
BAKER BROS. ADVISORS LP400,000$16,456
GEODE CAPITAL MANAGEMENT, LLC380,042$15,638
Siren, L.L.C.300,000$12,342
Soleus Capital Management, L.P.268,500$11,046
Kalehua Capital Management LLC197,072$8,108
SUPERSTRING CAPITAL MANAGEMENT LP180,593$7,430
FRANKLIN RESOURCES INC175,483$7,219
Alyeska Investment Group, L.P.136,222$5,604
CHARLES SCHWAB INVESTMENT MANAGEMENT INC123,686$5,088
Artia Global Partners LP119,741$4,926
TD Asset Management Inc113,352$4,663
NORTHERN TRUST CORP112,116$4,612
Invesco Ltd.111,162$4,573
AMERIPRISE FINANCIAL INC101,643$4,182
Rock Springs Capital Management LP99,429$4,091
UBS Group AG89,177$3,669
DRIEHAUS CAPITAL MANAGEMENT LLC83,850$3,450
MILLENNIUM MANAGEMENT LLC80,546$3,314
Ensign Peak Advisors, Inc79,862$3,286
Longaeva Partners L.P.79,729$3,280
MANUFACTURERS LIFE INSURANCE COMPANY, THE69,424$2,872
SEVEN GRAND MANAGERS, LLC50,000$2,057
MORGAN STANLEY49,876$2,052
BARCLAYS PLC48,172$1,982
BANK OF AMERICA CORP /DE/43,567$1,792
SILVERARC CAPITAL MANAGEMENT, LLC41,460$1,706
WELLINGTON MANAGEMENT GROUP LLP38,347$1,578
ALPS ADVISORS INC36,648$1,508
GOLDMAN SACHS GROUP INC36,269$1,492
Bank of New York Mellon Corp35,134$1,445
POLEN CAPITAL MANAGEMENT LLC31,258$1,286
Rafferty Asset Management, LLC24,690$1,016
Nuveen, LLC23,734$976
Russell Investments Group, Ltd.21,941$903
RHUMBLINE ADVISERS17,694$728
WELLS FARGO & COMPANY/MN17,551$722
Squarepoint Ops LLC16,360$673
ALLIANCEBERNSTEIN L.P.15,620$643
SG Americas Securities, LLC10,691$0
China Universal Asset Management Co., Ltd.10,272$423
DEUTSCHE BANK AG\10,029$413
PROFUND ADVISORS LLC9,213$379
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.8,915$367
MetLife Investment Management, LLC8,565$352
INTECH INVESTMENT MANAGEMENT LLC7,589$312
KENNEDY CAPITAL MANAGEMENT LLC6,752$278
TWO SIGMA INVESTMENTS, LP6,400$263
Virtus Investment Advisers, LLC6,220$256
AMERICAN CENTURY COMPANIES INC6,180$254
DARK FOREST CAPITAL MANAGEMENT LP5,991$246
D. E. Shaw & Co., Inc.5,742$236
NEW YORK STATE COMMON RETIREMENT FUND5,300$218
LOS ANGELES CAPITAL MANAGEMENT LLC5,189$197
CITIGROUP INC5,185$213
XTX Topco Ltd4,926$203
ProShare Advisors LLC4,903$202
CIBC Private Wealth Group, LLC4,500$185
Police & Firemen's Retirement System of New Jersey4,232$174
AlphaCentric Advisors LLC2,720$112
BNP PARIBAS ARBITRAGE, SA2,264$93
Mirae Asset Global Investments Co., Ltd.2,169$89
Legal & General Group Plc1,682$69
BALYASNY ASSET MANAGEMENT L.P.1,406$58
Ameritas Investment Partners, Inc.1,302$54
Tower Research Capital LLC (TRC)1,129$46
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM988$41
GF FUND MANAGEMENT CO. LTD.876$36
AMALGAMATED BANK504$0
ROYAL BANK OF CANADA489$21
FMR LLC384$16
Farther Finance Advisors, LLC190$8
GAMMA Investing LLC177$7
Daiwa Securities Group Inc.149$0
Sterling Capital Management LLC105$4
CWM, LLC80$0
US BANCORP \DE\65$3
Rockefeller Capital Management L.P.48$2
Aster Capital Management (DIFC) Ltd37$2
Allworth Financial LP28$1
Hughes Financial Services, LLC25$1
EverSource Wealth Advisors, LLC20$1
PNC Financial Services Group, Inc.5$0
ROTHSCHILD INVESTMENT LLC1$0
Total (100 institutions)43,948,495$1,773,408