ATYR

aTyr Pharma

101 hedge funds and large institutions have $51.5M invested in aTyr Pharma in 2025 Q3 according to their latest regulatory filings, with 33 funds opening new positions, 32 increasing their positions, 25 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

less ownership

Funds ownership:

less first-time investments, than exits

New positions opened: | Existing positions closed:

60% less call options, than puts

Call options by funds: $3.95M | Put options by funds: $9.99M

85% less capital invested

Capital invested by funds: $336M → $51.5M (-$285M)

100% less funds holding in top 10

Funds holding in top 10: 20 (-2)

Holders
101
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.95M
Puts
$9.99M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
PA
51
Profund Advisors
Maryland
$26.5K
TRCT
52
Tower Research Capital (TRC)
New York
$24.4K
SEI Investments
53
SEI Investments
Pennsylvania
$24.4K
IIM
54
INTECH Investment Management
Florida
$22.9K
Rockefeller Capital Management
55
Rockefeller Capital Management
New York
$20.3K
New York State Common Retirement Fund
56
New York State Common Retirement Fund
New York
$19.8K
PFSRSONJ
57
Police & Firemen's Retirement System of New Jersey
New Jersey
$18.8K
CC
58
Courier Capital
New York
$18K
MCM
59
MAI Capital Management
Ohio
$16.5K
Connor, Clark & Lunn Investment Management (CC&L)
60
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$15.1K
SG Americas Securities
61
SG Americas Securities
New York
$15K
BNP Paribas Financial Markets
62
BNP Paribas Financial Markets
France
$14.9K
RC
63
RBF Capital
California
$14.4K
AWM
64
Apollon Wealth Management
South Carolina
$14.4K
HGA
65
Hobbs Group Advisors
South Carolina
$13.5K
Group One Trading
66
Group One Trading
Illinois
$12.4K
BRWM
67
Blue Rock Wealth Management
North Carolina
$12.3K
NSAM
68
North Star Asset Management
Wisconsin
$12.1K
VOYA Investment Management
69
VOYA Investment Management
Georgia
$12K
HSBC Holdings
70
HSBC Holdings
United Kingdom
$11.8K
Royal Bank of Canada
71
Royal Bank of Canada
Ontario, Canada
$11K
Raymond James Financial
72
Raymond James Financial
Florida
$10.9K
ProShare Advisors
73
ProShare Advisors
Maryland
$10.7K
AI
74
Atom Investors
Texas
$9.77K
GIA
75
Gladstone Institutional Advisory
Florida
$9.6K