Athira Pharma
ATHA • NASDAQ
Athira Pharma is a biotechnology company in the healthcare sector on NASDAQ, led by Mark Litton, with a market cap of $15.2M. As of Q3 2025, 43% of shares are held by 32 institutional investors, with PERCEPTIVE ADVISORS LLC as the largest holder at 13.7%.
President and Chief Executive OfficerMark Litton
Market Cap$15.2M
Biotechnology
Healthcare
Employees67.0
Websiteathira.com
Country
United States of America
Overview
Overview of institutional ownership in ATHA as of Q3 2025 with a market cap of $16.3M
All Institutions
- Institutions
- 32
- Value Held
- $7.1M
- Shares Held
- 1.7M
- Avg Position
- $220.9K
- Median Position
- $43.1K
Hedge Funds
- Hedge Funds
- 5
- Value Held
- $3.3M
- Shares Held
- 790.3K
- Avg Position
- $654.4K
- Median Position
- $215.0K
Ownership Breakdown
Based on market cap of $16.3M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in ATHA as of Q3 2025
| Institution | Position Value |
|---|---|
 PERCEPTIVE ADVISORS LLC Hedge Fund•Long/Short | $2.2M 0.06% of portfolio |
B BML Capital Management, LLC Institution | $1.3M 1.21% of portfolio |
 VANGUARD GROUP INC Institution | $636.7K 0.00% of portfolio |
 Propel Bio Management, LLC Hedge Fund•Sector | $618.0K 0.62% of portfolio |
S Simplify Asset Management Inc. Institution | $618.0K 0.04% of portfolio |
T TANG CAPITAL MANAGEMENT LLC Institution | $248.4K 0.01% of portfolio |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $215.0K 0.00% of portfolio |
 ACADIAN ASSET MANAGEMENT LLC Long Only Manager | $166.4K 0.00% of portfolio |
 Pathstone Holdings, LLC Family Office | $159.8K 0.00% of portfolio |
B BlackRock, Inc. Institution | $155.8K 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for ATHA in Q3 2025
- Traded
- −$9.6K
- Buyers
- 9
- Sellers
- 39
- Total Bought
- +$236.5K
- Total Sold
- −$246.1K
- Avg Position
- $138.6K
Biggest Buyers
| Institution | Net Bought |
|---|---|
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$115.2K +27.8K shares |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$53.7K +13.0K shares |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | +$53.5K +12.9K shares |
A Advisor Group Holdings, Inc. Institution | +$7.5K +2.0K shares |
Pathstone Holdings, LLC Family Office | +$5.7K +1.4K shares |
 UBS Group AG Institution | +$596.0 +-20.2K shares |
 Global Retirement Partners, LLC RIA/Wealth | +$215.4 +52.1 shares |
 BARCLAYS PLC Institution | +$27.3 +6.6 shares |
 CITIGROUP INC Institution | +$4.0 +1.0 shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
Q Qube Research & Technologies Ltd Institution | −$58.2K −19.3K shares |
 BANK OF AMERICA CORP /DE/ Institution | −$37.3K −9.0K shares |
 NORTHERN TRUST CORP Institution | −$16.2K −5.4K shares |
 Clarius Group, LLC Family Office | −$16.2K −5.4K shares |
X XTX Topco Ltd Institution | −$16.0K −5.3K shares |
 Integrity Financial Corp /WA RIA/Wealth | −$16.0K −5.3K shares |
L LAIRD NORTON TRUST COMPANY, LLC RIA/Wealth | −$10.9K −2.6K shares |
 EWA, LLC RIA/Wealth | −$10.8K −3.6K shares |
 BRIGHTON JONES LLC RIA/Wealth | −$9.7K −3.2K shares |
V Virtu Financial LLC Institution | −$7.5K −2.5K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited ATHA in Q3 2025
- New Positions
- 0
- New Value
- -
- Exited Positions
- 18
- Exited Value
- $192.4K
New Positions
| Institution | Position Value |
|---|---|
| No new positions found | |
Exited Positions
| Institution | Previous Position |
|---|---|
Q Qube Research & Technologies Ltd Institution | $58.2K 19.3K shares |
NORTHERN TRUST CORP Institution | $16.2K 5.4K shares |
Clarius Group, LLC Family Office | $16.2K 5.4K shares |
X XTX Topco Ltd Institution | $16.0K 5.3K shares |
Integrity Financial Corp /WA RIA/Wealth | $16.0K 5.3K shares |
EWA, LLC RIA/Wealth | $10.8K 3.6K shares |
BRIGHTON JONES LLC RIA/Wealth | $9.7K 3.2K shares |
V Virtu Financial LLC Institution | $7.5K 2.5K shares |
 JOURNEY STRATEGIC WEALTH LLC RIA/Wealth | $6.2K 2.1K shares |
 Massey, Quick & Co., LLC RIA/Wealth | $6.2K 2.1K shares |
Options Activity
Institutions with the largest Call and Put options positions in ATHA as of Q3 2025
- Call Positions
- 1
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | - - contracts |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with ATHA as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
B BML Capital Management, LLC Institution | 1.21% $1.3M |
Propel Bio Management, LLC Hedge Fund•Sector | 0.62% $618.0K |
PERCEPTIVE ADVISORS LLC Hedge Fund•Long/Short | 0.06% $2.2M |
S Simplify Asset Management Inc. Institution | 0.04% $618.0K |
T TANG CAPITAL MANAGEMENT LLC Institution | 0.01% $248.4K |
L LAIRD NORTON TRUST COMPANY, LLC RIA/Wealth | 0.01% $41.8K |
Pathstone Holdings, LLC Family Office | 0.00% $159.8K |
 American Capital Advisory, LLC RIA/Wealth | 0.00% $828.0 |
ACADIAN ASSET MANAGEMENT LLC Long Only Manager | 0.00% $166.4K |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | 0.00% $215.0K |
Hedge Fund Spotlight
Discover hedge funds investing in ATHA
TWO SIGMA ADVISERS, LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerScott David Hoffman
- Portfolio Value
- $50.0B
- Positions
- 2,312
- Last Reported
- Q3 2025
Sector Allocation
Position in Athira Pharma
- Market Value
- $61.5K
- Shares Held
- 14.9K
- Portfolio Weight
- 0.00%
- Owned Since
- 2020-Q4
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Semiconductors Technology | $1.5B | 3.07% | |
Software - Infrastructure Technology | $1.5B | 3.03% | |
Consumer Electronics Technology | $1.4B | 2.79% |
