Vaxart, Inc. - Common Stock, $0.0001 par value per share (VXRT) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2018 to Q4 2025

Type / Class
Equity / Common Stock, $0.0001 par value per share
Symbol
VXRT on OTC
Shares outstanding
227,895,837
Price per share
$0.35
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
2,338,371
Total reported value
$839,886
% of total 13F portfolios
0%
Share change
-20,487,850
Value change
-$9,288,361
Number of holders
17
Price from insider filings
$0.35
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Vaxart, Inc. - Common Stock, $0.0001 par value per share (VXRT) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Sio Capital Management, LLC 2.4% -52% $1,730,869 -$1,838,879 5,583,448 -52% Sio Capital Management, LLC 31 Mar 2025

As of 30 Sep 2025, 17 institutional investors reported holding 2,338,371 shares of Vaxart, Inc. - Common Stock, $0.0001 par value per share (VXRT). This represents 1% of the company’s total 227,895,837 outstanding shares.

Institutional Holders of Vaxart, Inc. - Common Stock, $0.0001 par value per share (VXRT) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 27,000 $9,692 -$3,650 $0.35 2
2025 Q3 2,338,371 $839,886 -$9,288,361 $0.36 17
2025 Q2 22,805,763 $10,301,552 -$1,737,545 $0.45 97
2025 Q1 27,306,075 $11,110,908 -$3,608,001 $0.41 89
2024 Q4 35,726,880 $23,655,498 -$1,337,710 $0.66 89
2024 Q3 37,562,644 $31,885,705 -$1,918,960 $0.85 98
2024 Q2 40,533,473 $27,048,090 -$12,357,006 $0.67 100
2024 Q1 39,855,545 $51,813,853 +$31,703,714 $1.30 100
2023 Q4 18,309 $10,488 -$22,921 $0.57 1
2023 Q3 17,781,081 $13,405,491 -$7,827,455 $0.75 88
2023 Q2 28,205,064 $20,590,557 -$3,020,906 $0.73 99
2023 Q1 33,532,398 $25,374,297 -$8,369,387 $0.76 101
2022 Q4 44,242,358 $42,512,199 -$8,975,515 $0.96 119
2022 Q3 50,497,126 $110,081,488 +$12,793,989 $2.18 117
2022 Q2 34,038,076 $119,126,953 -$4,375,107 $3.50 119
2022 Q1 44,809,341 $225,820,939 +$10,161,831 $5.04 129
2021 Q4 41,854,261 $262,361,581 +$29,295,123 $6.27 131
2021 Q3 37,378,426 $297,325,261 +$21,102,742 $7.95 135
2021 Q2 34,768,353 $260,453,783 +$22,384,605 $7.49 131
2021 Q1 32,130,389 $194,347,075 -$17,585,563 $6.05 143
2020 Q4 35,104,315 $200,513,249 -$10,572,381 $5.71 127
2020 Q3 36,748,424 $244,395,087 +$104,733,779 $6.65 118
2020 Q2 19,595,158 $173,347,096 -$94,736,852 $8.85 83
2020 Q1 30,287,350 $53,611,400 +$5,763,655 $1.77 30
2019 Q4 26,774,026 $9,383,751 +$79,733 $0.35 11
2019 Q3 26,512,633 $9,517,842 +$8,809,716 $0.36 13
2019 Q2 1,972,618 $1,321,170 +$822,673 $0.67 13
2019 Q1 666,901 $1,292,760 +$447,347 $1.94 10
2018 Q4 438,221 $820,118 -$498,406 $1.87 13
2018 Q3 658,356 $1,877,498 +$330,378 $2.85 17
2018 Q2 542,449 $1,643,424 -$932,225 $3.03 14
2018 Q1 648,488 $3,418,863 +$3,418,862 $5.31 13