Security key
031094204
Amesite Inc. - Common Stock, par value $0.0001 per share (AMST)
CUSIP: 031094204
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 325,643
- Total 13F value
- $598,947
- Share change
- -56,433
- SEC-reported price per share
- $1.84
- Number of holders
- 12
- Value change
- -$107,861
- Number of buys
- 5
- Number of sells
- 8
- Shares outstanding
- 5,883,267
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
12
Top holders
10
AMST full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
Amesite Inc. SEC filings
Amesite Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 031094204
Recent filing periods:
Ownership snapshot
Top reported holders of AMST - Amesite Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Mark N. Tompkins
Disclosed value leader
Mark N. Tompkins
Comparable rows
0/15
Latest evidence
31 Dec 2025
3/4/5
13F
Highest disclosed value: $5,103,671
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Mark N. Tompkins has the largest disclosed position value at $5.1M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Mark N. Tompkins's linked filing trail.
Disclosed position value
Top 5
Mark N. Tompkins
$5.1M
Focus Partners Wealth
$314.7K
Anthony M. Barkett
$85.2K
Richard Ogawa
$85.2K
VANGUARD GROUP INC
$83.1K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Mark N. Tompkins |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$5,103,671
2,043,103 shares
|
— | 28 May 2021 |
| Focus Partners Wealth |
13F
Company
|
—
denominator unverified
|
$314,715
166,516 shares
|
— | 31 Dec 2025 |
| Anthony M. Barkett |
3/4/5
Director
|
—
denominator unverified
|
$85,159
46,032 shares
|
— | 30 Sep 2024 |
| Richard Ogawa |
3/4/5
Director
|
—
denominator unverified
|
$85,159
46,032 shares
|
— | 30 Sep 2024 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$83,088
43,962 shares
|
— | 31 Dec 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$61,409
32,492 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
12
Shares
325,643
Rows available
12
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
13
Q1 2026 holders
12
Holder diff
-1
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend