Gyrodyne, LLC
Gyrodyne, LLC (GYRO) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · GYRO · as of Sep 30, 2025
Ownership Breakdown
16
Institutional Holders
▲ 4 vs Q2
$8.84M
Total Inst. Value
▲ $1.87M vs Q2
2.20M
Shares Outstanding
freeFloat 68.31%
883,256
13F Shares Held
▲ 72,793 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
GYRO largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
TOWERVIEW LLC opeators of nonresidential buildings | 338.1K | 22.80% | 22.80% | $3.39B | Nov 4, 2025 | ▼ 2.9K |
GABELLI FUNDS LLC opeators of nonresidential buildings | 213.8K | 14.42% | 14.42% | $2.14B | Nov 12, 2025 | ▼ 6.0K |
GABELLI & CO INVESTMENT ADVISERS, INC. opeators of nonresidential buildings | 173.1K | 11.67% | 11.67% | $1.73B | Nov 12, 2025 | — held |
BULLDOG INVESTORS, LLP opeators of nonresidential buildings | 60.0K | 4.05% | 4.05% | $600.78M | Nov 14, 2025 | NEW |
opeators of nonresidential buildings | 17.7K | 1.19% | 1.19% | $177.23M | Nov 12, 2025 | NEW |
ROUND HILL ASSET MANAGEMENT opeators of nonresidential buildings | 15.2K | 1.02% | 1.02% | $152.03M | Nov 12, 2025 | — held |
CSS LLC/IL opeators of nonresidential buildings | 14.8K | 99.84% | 99.84% | $148.22M | Nov 13, 2025 | — held |
GAMCO INVESTORS, INC. ET AL opeators of nonresidential buildings | 14.4K | 97.20% | 97.20% | $144.30M | Nov 12, 2025 | — held |
SUSQUEHANNA INTERNATIONAL GROUP, LLP opeators of nonresidential buildings | 14.2K | 95.68% | 95.68% | $142.00M | Nov 14, 2025 | NEW |
CERITY PARTNERS LLC opeators of nonresidential buildings | 12.4K | 83.81% | 83.81% | $124.43M | Oct 22, 2025 | — 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 2025 vs prior quarter
Q3 2025
0
Increased
+0 shares6
New Positions
first time holders3
Decreased
−9.8K shares1
Sold Out
fully exitedNet shares change (top 50)
9.8K
+0 / −9.8K
Net new holders
+2
6 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
GYRO 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.
0
Buy transactions
2
Sell transactions
0.00
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 |
|---|---|---|---|---|---|---|---|
TOWERVIEW LLC 10 percent owner | Sep 8, 2025 | Sale | 1,973 | $12.55 | $24.8K | 338.1K | Form 4 ↗ |
MACKLIN RONALD J director | Mar 12, 2024 | J-Other | 8,698 | $8.00 | $69.6K | 30.4K | Form 4 ↗ |
TOWERVIEW LLC 10 percent owner | Aug 4, 2025 | Sale | 1,216 | $12.10 | $14.7K | 340.1K | Form 4 ↗ |
TOWERVIEW LLC 10 percent owner | Oct 18, 2024 | Sale | 3,270 | $11.75 | $38.4K | 344.7K | Form 4 ↗ |
TOWERVIEW LLC 10 percent owner | Oct 18, 2024 | Sale | 3,384 | $11.10 | $37.6K | 341.3K | Form 4 ↗ |
TOWERVIEW LLC 10 percent owner | Oct 21, 2024 | Sale | 350 | $10.55 | $3.7K | 341.0K | Form 4 ↗ |
LAMB PAUL L director | Apr 1, 2024 | Sale | 4,368 | $7.99 | $34.9K | 30.5K | Form 4 ↗ |
TOWERVIEW LLC 10 percent owner | Aug 9, 2024 | Purchase | 1,000 | $7.77 | $7.8K | 348.0K | Form 4 ↗ |
TOWERVIEW LLC 10 percent owner | May 2, 2024 | Purchase | 1,846 | $7.80 | $14.4K | 347.0K | Form 4 ↗ |
TOWERVIEW LLC 10 percent owner | May 1, 2024 | Purchase | 424 | $7.83 | $3.3K | 345.2K | 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
Gyrodyne, LLC (GYRO) is primarily owned by institutional investors, who hold approximately 40.2% of total shares outstanding. Company insiders own approximately 31.69%, while retail and public investors account for the remaining 28.15%.
The largest institutional shareholder of Gyrodyne, LLC is TOWERVIEW LLC, holding approximately 338,107 shares — equal to 22.80% of outstanding shares — as of September 30, 2025.
A total of 16 institutional investors currently hold GYRO stock, with a combined institutional value of approximately $8,843,875 as of the most recent 13F filing period.
Frequently asked questions
GYRO ownershipGyrodyne, LLC (GYRO) is primarily owned by institutional investors, who hold approximately 40.2% of shares. The largest shareholder is TOWERVIEW LLC with a 22.80% stake. Company insiders hold 31.69%. Data sourced from SEC Form 13F as of September 30, 2025.