Security Snapshot

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

CUSIP: 92243A200

13F Institutional Holders and Ownership History from Q1 2018 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

5

Shares (Excl. Options)

56,710

Price

$0.60

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
-4,294
Value change
-$11
Number of holders
5
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
227,895,837
SEC-reported price per share
$0.77
Insider filing price
$0.77
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • VXRT - Vaxart, Inc. - Common Stock, $0.0001 par value per share is tracked under CUSIP 92243A200.
  • 5 institutions reported positions in Q1 2026.
  • 1 significant owner is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 5 to 5 between Q4 2025 and Q1 2026.
  • SEC-reported value moved from $22,164 to $34,184.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 5 institutions filings for Q1 2026.

Open SEC evidence

Security key

92243A200

Latest holder period

Q1 2026

13F holders

5

13D/G owners

1

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
1
Security
VXRT
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Sio Capital Management, LLC 2.4% -52% $2,400,883 -$2,550,703 5,583,448 -52% Sio Capital Management, LLC 31 Mar 2025

As of 31 Mar 2026, 5 institutional investors reported holding 56,710 shares of Vaxart, Inc. - Common Stock, $0.0001 par value per share (VXRT). This represents 0.02% of the company’s total 227,895,837 outstanding shares.

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
33
Latest
Q1 2026
Rows shown
1-25 of 33
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 56,710 $34,184 -$11 $0.60 5
2025 Q4 63,004 $22,164 -$817,278 $0.35 5
2025 Q3 2,338,371 $839,886 -$9,291,888 $0.36 17
2025 Q2 22,805,763 $10,301,552 -$1,737,522 $0.45 97
2025 Q1 27,306,075 $11,110,908 -$3,608,004 $0.41 89
2024 Q4 35,728,016 $23,655,360 -$1,335,256 $0.66 89
2024 Q3 37,562,644 $31,885,705 -$1,926,509 $0.85 96
2024 Q2 40,544,786 $27,055,640 -$12,340,425 $0.67 99
2024 Q1 40,218,838 $52,285,659 +$31,589,473 $1.30 100
2023 Q4 16,249,885 $9,316,148 -$1,611,931 $0.57 82
2023 Q3 18,472,322 $13,927,108 -$7,849,436 $0.75 92
2023 Q2 28,932,069 $21,120,871 -$3,760,598 $0.73 106
2023 Q1 34,049,788 $25,765,874 -$8,484,803 $0.76 104
2022 Q4 44,330,432 $42,597,056 -$9,062,782 $0.96 125
2022 Q3 50,772,854 $110,697,554 +$12,776,842 $2.18 126
2022 Q2 44,419,298 $155,464,628 -$2,050,076 $3.50 124
2022 Q1 44,895,260 $226,254,471 +$10,121,284 $5.04 134
2021 Q4 42,700,531 $267,665,650 +$29,342,931 $6.27 136
2021 Q3 37,384,827 $297,374,706 +$21,133,084 $7.95 132
2021 Q2 34,774,573 $260,500,843 +$22,436,078 $7.49 132
2021 Q1 32,198,814 $194,757,375 -$18,652,466 $6.05 146
2020 Q4 35,464,181 $202,567,816 -$13,777,599 $5.71 132
2020 Q3 36,789,682 $244,669,410 +$105,076,047 $6.65 123
2020 Q2 19,595,458 $173,349,751 -$94,879,784 $8.85 84
2020 Q1 30,401,321 $53,848,931 +$5,921,365 $1.77 33
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