Vaxart
VXRT • NASDAQ
Vaxart is a biotechnology company in the healthcare sector on NASDAQ, led by Steven Lo. As of Q3 2025, 15 institutional investors hold shares in this company, with total holdings valued at $824.9K. Marshall Wace LLP is the largest holder with a position valued at $703.1K.
Chief Executive Officer of Vaxart, Inc.Steven Lo
Overview
Overview of institutional ownership in VXRT as of Q3 2025
All Institutions
- Institutions
- 15
- Value Held
- $824.9K
- Shares Held
- 2.3M
- Avg Position
- $55.0K
- Median Position
- $3.7K
Hedge Funds
- Hedge Funds
- 1
- Value Held
- $26.2K
- Shares Held
- 75.1K
- Avg Position
- $26.2K
- Median Position
- $26.2K
Biggest Investors
Institutions with the largest positions in VXRT as of Q3 2025
| Institution | Position Value |
|---|---|
 Marshall Wace LLP Institution | $703.1K 0.00% of portfolio |
X XTX Topco Ltd Institution | $34.4K 0.00% of portfolio |
 HBK Sorce Advisory LLC Hedge Fund•Multi-Strategy | $26.2K 0.00% of portfolio |
B Beacon Capital Management, LLC RIA/Wealth | $22.0K 0.00% of portfolio |
 Custos Family Office, LLC Family Office | $18.2K 0.01% of portfolio |
 Heritage Wealth Advisors RIA/Wealth | $8.0K 0.00% of portfolio |
A Advisor Group Holdings, Inc. Institution | $5.3K 0.00% of portfolio |
$3.7K 0.00% of portfolio | |
B Baader Bank INC Institution | $2.7K 0.00% of portfolio |
 ORG Partners LLC RIA/Wealth | $729.0 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for VXRT in Q3 2025
- Traded
- −$9.0M
- Buyers
- 7
- Sellers
- 76
- Total Bought
- +$111.7K
- Total Sold
- −$9.1M
- Avg Position
- $8.4K
Biggest Buyers
| Institution | Net Bought |
|---|---|
Marshall Wace LLP Institution | +$68.1K +189.2K shares |
X XTX Topco Ltd Institution | +$25.7K +70.4K shares |
Custos Family Office, LLC Family Office | +$14.6K +40.0K shares |
B Baader Bank INC Institution | +$2.7K +12.1K shares |
 Rockefeller Capital Management L.P. Long Only Manager | +$429.0 +1.2K shares |
Heritage Wealth Advisors RIA/Wealth | +$182.5 +500.0 shares |
 Farther Finance Advisors, LLC RIA/Wealth | +$10.0 +27.0 shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
 VANGUARD GROUP INC Institution | −$4.7M −10.4M shares |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | −$1.1M −2.3M shares |
B BlackRock, Inc. Institution | −$802.0K −1.8M shares |
 STATE STREET CORP Institution | −$384.7K −851.1K shares |
 UBS Group AG Institution | −$373.2K −825.8K shares |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | −$270.0K −597.4K shares |
S Squarepoint Ops LLC Hedge Fund•Quant | −$202.0K −446.9K shares |
 NORTHERN TRUST CORP Institution | −$185.0K −409.2K shares |
 RAYMOND JAMES FINANCIAL INC RIA/Wealth | −$106.7K −236.2K shares |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | −$105.1K −232.6K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited VXRT in Q3 2025
- New Positions
- 8
- New Value
- -
- Exited Positions
- 83
- Exited Value
- $9.1M
New Positions
| Institution | Position Value |
|---|---|
 GSA CAPITAL PARTNERS LLP Hedge Fund•Quant | - - shares |
H HRT FINANCIAL LLC Institution | - - shares |
R ROYAL BANK OF CANADA Institution | - - shares |
V Virtu Financial LLC Institution | - - shares |
 HANTZ FINANCIAL SERVICES, INC. RIA/Wealth | - - shares |
S SG Americas Securities, LLC Institution | - - shares |
B Bernardo Wealth Planning LLC RIA/Wealth | - - shares |
C Carnegie Lake Advisors LLC RIA/Wealth | - - shares |
Exited Positions
| Institution | Previous Position |
|---|---|
VANGUARD GROUP INC Institution | $4.7M 10.4M shares |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | $1.1M 2.3M shares |
B BlackRock, Inc. Institution | $802.0K 1.8M shares |
STATE STREET CORP Institution | $384.7K 851.1K shares |
UBS Group AG Institution | $373.2K 825.8K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $270.0K 597.4K shares |
S Squarepoint Ops LLC Hedge Fund•Quant | $202.0K 446.9K shares |
NORTHERN TRUST CORP Institution | $185.0K 409.2K shares |
RAYMOND JAMES FINANCIAL INC RIA/Wealth | $106.7K 236.2K shares |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $105.1K 232.6K shares |
Options Activity
Institutions with the largest Call and Put options positions in VXRT as of Q3 2025
- Call Positions
- 2
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
W WOLVERINE TRADING, LLC Institution | - - contracts |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | - - contracts |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with VXRT as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
Custos Family Office, LLC Family Office | 0.01% $18.2K |
B Beacon Capital Management, LLC RIA/Wealth | 0.00% $22.0K |
X XTX Topco Ltd Institution | 0.00% $34.4K |
Marshall Wace LLP Institution | 0.00% $703.1K |
HBK Sorce Advisory LLC Hedge Fund•Multi-Strategy | 0.00% $26.2K |
Heritage Wealth Advisors RIA/Wealth | 0.00% $8.0K |
B Baader Bank INC Institution | 0.00% $2.7K |
ORG Partners LLC RIA/Wealth | 0.00% $729.0 |
A Advisor Group Holdings, Inc. Institution | 0.00% $5.3K |
0.00% $3.7K |
Hedge Fund Spotlight
Discover hedge funds investing in VXRT
HBK Sorce Advisory LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerMatthew Atcheson Leffers
- Portfolio Value
- $4.1B
- Positions
- 732
- Last Reported
- Q3 2025
Sector Allocation
Position in Vaxart
- Market Value
- $26.2K
- Shares Held
- 75.1K
- Portfolio Weight
- 0.00%
- Owned Since
- 2023-Q2
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
ETF ETF | $897.0M | 21.96% | |
ETF ETF | $680.4M | 16.66% | |
ETF ETF | $464.3M | 11.37% |
