Thumzup Media Corporation
Thumzup Media Corporation (TZUP) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · TZUP · as of Sep 30, 2025
Ownership Breakdown
22
Institutional Holders
▲ 10 vs Q2
$4.60M
Total Inst. Value
▲ $3.18M vs Q2
9.41M
Shares Outstanding
freeFloat 37.16%
920,247
13F Shares Held
▲ 718,204 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
TZUP largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC services-computer processing & data preparation | 283.3K | 2.96% | 2.96% | $1.42B | Nov 7, 2025 | ▲ 226.8K |
STEWARD PARTNERS INVESTMENT ADVISORY, LLC services-computer processing & data preparation | 150.0K | 1.57% | 1.57% | $750.00M | Nov 12, 2025 | NEW |
MARSHALL WACE, LLP services-computer processing & data preparation | 124.9K | 1.31% | 1.31% | $624.48M | Nov 13, 2025 | ▲ 95.3K |
GEODE CAPITAL MANAGEMENT, LLC services-computer processing & data preparation | 97.4K | 1.02% | 1.02% | $486.93M | Nov 12, 2025 | ▲ 53.8K |
OXFORD ASSET MANAGEMENT LLP services-computer processing & data preparation | 60.7K | 63.47% | 63.47% | $303.40M | Nov 14, 2025 | NEW |
KESTRA PRIVATE WEALTH SERVICES, LLC services-computer processing & data preparation | 43.4K | 45.39% | 45.39% | $217.00M | Nov 17, 2025 | ▲ 6.8K |
UBS GROUP AG services-computer processing & data preparation | 36.9K | 38.64% | 38.64% | $184.71M | Nov 13, 2025 | ▲ 21.5K |
STATE STREET CORP services-computer processing & data preparation | 33.3K | 34.83% | 34.83% | $166.50M | Nov 14, 2025 | NEW |
FNY INVESTMENT ADVISERS, LLC services-computer processing & data preparation | 31.2K | 32.64% | 32.64% | $156.00M | Dec 15, 2025 | NEW |
NORTHERN TRUST CORP services-computer processing & data preparation | 20.1K | 21.06% | 21.06% | $100.70M | Nov 14, 2025 | NEW |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
6
Increased
+415.1K shares11
New Positions
first time holders3
Decreased
−5.2K shares1
Sold Out
fully exitedNet shares change (top 50)
+409.9K
+415.1K / −5.2K
Net new holders
+13
11 new / 1 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
TZUP insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
1
Buy transactions
1
Sell transactions
1.00
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Dickman Paul director | Nov 14, 2025 | J-Other | 50,000 | — | — | 22.0K | Form 4 ↗ |
Massey Joanna D. director | Nov 14, 2025 | J-Other | 50,000 | — | — | 20.6K | Form 4 ↗ |
Dietrich Isaac Chief Financial Officer | Nov 14, 2025 | J-Other | 50,000 | — | — | 26.7K | Form 4 ↗ |
HAAG ROBERT L Former Director | Nov 12, 2025 | J-Other | 500,000 | — | — | 5.1K | Form 4 ↗ |
Ensey Christopher director | Oct 14, 2025 | Award | 150,000 | — | — | 150.0K | Form 4 ↗ |
Massey Joanna D. director | Sep 15, 2025 | Award | 32 | $3.00 | $96 | 1.7K | Form 4 ↗ |
HAAG ROBERT L director | Sep 15, 2025 | Award | 651 | $3.00 | $2.0K | 34.1K | Form 4 ↗ |
Dietrich Isaac Chief Financial Officer | Sep 15, 2025 | Award | 16 | $3.00 | $48 | 839 | Form 4 ↗ |
STEELE ROBERT A Chief Executive Officer | Aug 29, 2025 | Purchase | 2,000 | $5.16 | $10.3K | 608.8K | Form 4 ↗ |
STEELE ROBERT A Chief Executive Officer | Aug 27, 2025 | Purchase | 2,000 | $4.93 | $9.9K | 606.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Thumzup Media Corporation (TZUP) is primarily owned by institutional investors, who hold approximately 9.8% of total shares outstanding. Company insiders own approximately 62.84%, while retail and public investors account for the remaining 27.39%.
The largest institutional shareholder of Thumzup Media Corporation is VANGUARD GROUP INC, holding approximately 283,270 shares — equal to 2.96% of outstanding shares — as of September 30, 2025.
A total of 22 institutional investors currently hold TZUP stock, with a combined institutional value of approximately $4,601,025 as of the most recent 13F filing period.
Frequently asked questions
TZUP ownershipThumzup Media Corporation (TZUP) is primarily owned by institutional investors, who hold approximately 9.8% of shares. The largest shareholder is VANGUARD GROUP INC with a 2.96% stake. Company insiders hold 62.84%. Data sourced from SEC Form 13F as of September 30, 2025.