Blackboxstocks Inc.
Blackboxstocks Inc. (BLBX) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · BLBX · as of Sep 30, 2023
Ownership Breakdown
1
Institutional Holders
$11
Total Inst. Value
▼ $1 vs Q2
3.62M
Shares Outstanding
freeFloat 83.79%
4
13F Shares Held
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
BLBX largest shareholders · institutional ownership
Q3 2023 · SEC 13F
Showing top 1 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
CARY STREET PARTNERS INVESTMENT ADVISORY LLC services-computer programming services | 4 | 0.01% | 0.01% | $11,000 | Nov 13, 2023 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2023 vs prior quarter
Q3 2023
0
Increased
+0 shares0
New Positions
first time holders0
Decreased
−0 shares0
Sold Out
fully exitedNet shares change (top 50)
+0
+0 / −0
Net new holders
+0
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
BLBX insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
2
Buy transactions
1
Sell transactions
2.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Sulaiman Dalya director | Feb 18, 2026 | Award | 2,868 | $10.46 | $30.0K | 39.4K | Form 4 ↗ |
Reid Charles Keller director | Oct 21, 2025 | Sale | 5,000 | $9.24 | $46.2K | 16.3K | Form 4 ↗ |
Smith Charles Brandon Chief Technology Officer | Oct 23, 2025 | Sale | 9,167 | $9.08 | $83.2K | 27.5K | Form 4 ↗ |
WINSPEAR ROBERT L Chief Financial Officer | Oct 16, 2025 | Award | 50,000 | $10.69 | $534.5K | 118.3K | Form 4 ↗ |
KEPLER GUST President and CEO | Jun 24, 2025 | Gift | 1,800 | — | — | 596.2K | Form 4 ↗ |
Evans Grant director | Feb 11, 2025 | Award | 10,116 | — | — | 20.3K | Form 4 ↗ |
Evans Grant director | Feb 11, 2025 | Award | 5,000 | $3.46 | $17.3K | 5.0K | Form 4 ↗ |
Reid Charles Keller director | Feb 11, 2025 | Award | 8,671 | — | — | 21.3K | Form 4 ↗ |
Reid Charles Keller director | Feb 11, 2025 | Award | 5,000 | $3.46 | $17.3K | 6.3K | Form 4 ↗ |
Sulaiman Dalya director | Feb 11, 2025 | Award | 5,000 | $3.46 | $17.3K | 8.8K | 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
Blackboxstocks Inc. (BLBX) is primarily owned by institutional investors, who hold approximately 0.0% of total shares outstanding. Company insiders own approximately 16.21%, while retail and public investors account for the remaining 83.79%.
The largest institutional shareholder of Blackboxstocks Inc. is CARY STREET PARTNERS INVESTMENT ADVISORY LLC, holding approximately 4 shares — equal to 0.01% of outstanding shares — as of September 30, 2023.
A total of 1 institutional investors currently hold BLBX stock, with a combined institutional value of approximately $11 as of the most recent 13F filing period.
Frequently asked questions
BLBX ownershipBlackboxstocks Inc. (BLBX) is primarily owned by institutional investors, who hold approximately 0.0% of shares. The largest shareholder is CARY STREET PARTNERS INVESTMENT ADVISORY LLC with a 0.01% stake. Company insiders hold 16.21%. Data sourced from SEC Form 13F as of September 30, 2023.