Athira Pharma, Inc. - Common Stock, $0.0001 par value (ATHA) Institutional Ownership

13F Institutional Holders and Ownership History for Q3 2025

Type / Class
Equity / Common Stock, $0.0001 par value
Symbol
ATHA on Nasdaq
Shares outstanding
9,298,756
Price per share
$4.32
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
1,715,311
Total reported value
$7,623,844
% of total 13F portfolios
0%
Share change
+1,715,288
Value change
+$7,623,748
Number of holders
33
Price from insider filings
$4.32
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Athira Pharma, Inc. - Common Stock, $0.0001 par value (ATHA) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
PERCEPTIVE ADVISORS LLC 20% +44% $8,074,296 +$5,698,192 1,869,050 +240% Joseph Edelman 23 Dec 2025
Baselake Partners, LP 5% $817,038 197,481 Baselake Partners, LP 07 Nov 2025

As of 30 Sep 2025, 33 institutional investors reported holding 1,715,311 shares of Athira Pharma, Inc. - Common Stock, $0.0001 par value (ATHA). This represents 18% of the company’s total 9,298,756 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Athira Pharma, Inc. - Common Stock, $0.0001 par value (ATHA) together control 18% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
PERCEPTIVE ADVISORS LLC 5.8% 540,296 0.07% $2,236,825
BML Capital Management, LLC 3.5% 323,066 1.2% $1,337,493
VANGUARD GROUP INC 1.7% 153,789 0% $636,687
Simplify Asset Management Inc. 1.6% 149,279 0.01% $618,015
Propel Bio Management, LLC 1.6% 149,279 0.62% $618,015
TANG CAPITAL MANAGEMENT LLC 0.65% 59,998 0.01% $248,392
RENAISSANCE TECHNOLOGIES LLC 0.56% 51,924 0% $214,965
ACADIAN ASSET MANAGEMENT LLC 0.43% 40,186 0% $165,000
Pathstone Holdings, LLC 0.42% 38,606 0% $159,829
BlackRock, Inc. 0.4% 37,643 0% $155,841
CITADEL ADVISORS LLC 0.37% 33,987 0% $140,706
BANK OF AMERICA CORP /DE/ 0.35% 32,614 0% $135,022
GEODE CAPITAL MANAGEMENT, LLC 0.33% 30,593 0% $126,690
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.23% 20,986 0% $86,882
TWO SIGMA ADVISERS, LP 0.16% 14,860 0% $61,520
STATE STREET CORP 0.12% 10,737 0% $44,451
Laird Norton Wetherby Trust Company, LLC 0.11% 10,088 0.01% $41,764
Focus Partners Wealth 0.09% 8,415 0% $558,083
OSAIC HOLDINGS, INC. 0.08% 7,010 0% $29,581
Tower Research Capital LLC (TRC) 0.01% 638 0% $2,641
MORGAN STANLEY 0.01% 510 0% $2,112
American Capital Advisory, LLC 0% 200 0% $828
ROTHSCHILD INVESTMENT LLC 0% 150 0% $621
UBS Group AG 0% 144 0% $596
McIlrath & Eck, LLC 0% 82 0% $339

Institutional Holders of Athira Pharma, Inc. - Common Stock, $0.0001 par value (ATHA) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q3 1,715,311 $7,623,844 +$7,623,748 $4.14 33