Position in BDN
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$220,168
+$138,096 QoQ
Shares Held
81,243
+189.0% QoQ
Ownership
0.047%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2021
16 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 0.ToString("F0")%
None 100.ToString("F0")%
Common Shares in BDN Over Time
Shares Held
Position Value (USD)
Position in REIT - Office
Real Estate · as of Mar 31, 2026Mariner, LLC holds $6,239,027 across 7 REIT - Office names. BDN ranks #4 (3.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARE |
Alexandria Real Estate Equities, Inc.
|
68,643 | $3,186,408 | |
| 2 | VNO |
Vornado Realty Trust
|
68,215 | $1,772,907 | |
| 3 | PSTL |
Postal Realty Trust, Inc.
|
43,185 | $801,513 | |
| 4 | BDN |
Brandywine Realty Trust
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|
81,243 | $220,168 | |
| 5 | ONL |
Orion Properties Inc.
|
59,944 | $128,879 | |
| 6 | NLOP |
Net Lease Office Properties
|
10,621 | $122,353 | |
| 7 | FSP |
Franklin Street Properties Corp /Ma/
|
10,303 | $6,799 |
All Filings in BDN
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $220,168 | 81,243 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $82,072 | 28,107 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $197,874 | 47,452 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $200,162 | 46,658 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $301,892 | 67,689 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $363,244 | 64,865 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $361,770 | 66,502 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $284,856 | 63,584 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $308,908 | 64,356 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $339,211 | 62,817 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $253,118 | 55,753 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $245,966 | 52,896 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $76,715 | 16,219 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $110,866 | 18,027 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $87,115 | 12,906 | Shares | Sole | 2022-11-10 | |
| 2021-09-30 | $270,721 | 20,173 | Shares | Sole | 2021-11-15 | |
| No filing history on record for this holder in this stock. | ||||||