Security key
403829104
Gyrodyne, LLC - Common Stock, par value $1.00 per share (GYRO)
CUSIP: 403829104
Q2 2021 13F Holders as of 30 Jun 2021
- Security type / class
- Equity / Common Stock, par value $1.00 per share
- Total 13F shares
- 516,280
- Total 13F value
- $6,922,000
- Share change
- -18,830
- SEC-reported price per share
- $13.33
- Number of holders
- 11
- Value change
- -$254,937
- Number of buys
- 2
- Number of sells
- 4
- Shares outstanding
- 2,208,085
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2021
Institutions
11
Top holders
10
GYRO full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
Gyrodyne, LLC SEC filings
Gyrodyne, LLC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 403829104
Recent filing periods:
Ownership snapshot
Top reported holders of GYRO - Gyrodyne, LLC - Common Stock, par value $1.00 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
Grantham, Mayo, Van Otter...
Disclosed value leader
Grantham, Mayo, Van Otter...
Comparable rows
0/11
Latest evidence
31 Mar 2021
13F
Highest disclosed value: $2,198,000
11 rows are not safely comparable across share classes.
Showing 1-6 of 11 holder rows.
Quick read
Grantham, Mayo, Van Otterloo & Co. LLC has the largest disclosed position value at $2.2M.
0 of 11 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 Grantham, Mayo, Van Otterloo & Co. LLC's linked filing trail.
Disclosed position value
Top 5
Grantham, Mayo, Van Otterloo & Co...
$2.2M
TOWERVIEW LLC
$1.56M
GABELLI & Co INVESTMENT ADVISERS,...
$1.42M
Michael F. Price
$1.31M
GABELLI FUNDS LLC
$924K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 11 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Grantham, Mayo, Van Otterloo & Co. LLC |
13F
Company
|
—
denominator unverified
|
$2,198,000
148,088 shares
|
— | 31 Mar 2021 |
| TOWERVIEW LLC |
13F
Company
|
—
denominator unverified
|
$1,559,000
101,500 shares
|
— | 31 Mar 2021 |
| GABELLI & Co INVESTMENT ADVISERS, INC. |
13F
Company
|
—
denominator unverified
|
$1,422,000
92,594 shares
|
— | 31 Mar 2021 |
| Michael F. Price |
13F
Individual
|
—
denominator unverified
|
$1,314,000
85,508 shares
|
— | 31 Mar 2021 |
| GABELLI FUNDS LLC |
13F
Company
|
—
denominator unverified
|
$924,000
60,134 shares
|
— | 31 Mar 2021 |
| CSS LLC/IL |
13F
Company
|
—
denominator unverified
|
$468,000
30,454 shares
|
— | 31 Mar 2021 |
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 Q2 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
11
Shares
516,280
Rows available
11
| 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 Q2 2021 vs Q2 2026 Across Filers
Q2 2026 holders
13
Q2 2021 holders
11
Holder diff
-2
| Investor | Q2 2026 Shares | Q2 2021 Shares | Share Diff | Share Chg % | Q2 2026 value | Q2 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend