Comparable stake leader
BlackRock, Inc.
SEC ownership of BRANDYWINE REALTY TRUST
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000790816.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
31 Mar 2026
- Symbol
- BDN on NYSE
- Ownership evidence mix
- 13F and 13D/G
- Largest current holder
- BlackRock, Inc.
- Latest large-stake holder
- BlackRock, Inc.
- Latest evidence date
- 31 Mar 2026
- CIK
- 0000790816
- Location
- Philadelphia, PA
Ownership snapshot
2 facts
Issuer identity
2 facts
Ownership snapshot
Top shareholders of BRANDYWINE REALTY TRUST (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
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
31 Mar 2026
13F
13D/G
Lead comparable stake: 9.4%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 9.4%.
50 of 50 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.
Comparable ownership
Top 5
BlackRock, Inc.
9.4%
VANGUARD PORTFOLIO MANAGEMENT LLC
5.1%
STATE STREET CORP
4.6%
VANGUARD CAPITAL MANAGEMENT LLC
4.3%
MIRAE ASSET GLOBAL ETFS HOLDINGS ...
3.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
9.4%
from 13D/G
|
$59,733,510
22,041,886 shares
|
— | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
5.1%
|
$23,843,821
8,798,458 shares
|
$0 | 31 Mar 2026 |
| STATE STREET CORP |
13D/G
13F
STATE STREET CORPORATION · Company
|
4.6%
|
$23,490,838
8,017,351 shares
|
$0 | 31 Dec 2025 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
4.3%
|
$20,044,889
7,396,638 shares
|
— | 31 Mar 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
Company
|
3.8%
|
$17,805,096
6,570,146 shares
|
— | 31 Mar 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
Company
|
3.2%
|
$14,981,826
5,528,349 shares
|
— | 31 Mar 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
2.7%
|
$12,804,200
4,724,122 shares
|
— | 31 Mar 2026 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
2.6%
|
$12,247,857
4,519,504 shares
|
— | 31 Mar 2026 |
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.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$150,163.
Buys
$298,882
Insiders: 1
Sells
$148,719
Insiders: 2
Net
+$150,163
Shares: +50,310
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 88,500
Shares: 38,190
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 88,500 | 23,190 | $298,882 | $80,469 | +$218,413 |
| 9-12 | 0 | 15,000 | $0 | $68,250 | -$68,250 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-14 of 14 reporting-owner rows connected to BRANDYWINE REALTY TRUST. Open a relationship link for the CIK-to-CIK filing trail.
Rows
14
Largest current holder
Gerard H. Sweeney
Net 12M change
+$150,163
Latest report
28 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Gerard H. Sweeney | President and CEO, Director | $13,180,552 | +$298,882 | +2.3% | Mixed | 15 Apr 2026 |
| Tom Wirth | Executive Vice President & CFO | $3,073,210 | Mixed | 15 Apr 2026 | ||
| H. Jeffrey DeVuono | EVP & Senior Managing Director | $2,514,190 | Mixed | 15 Apr 2026 | ||
| William D. Redd | EVP & Senior Managing Director | $2,137,319 | Mixed | 15 Apr 2026 | ||
| George Johnstone | EVP, Operations | $1,740,322 | Mixed | 22 Jan 2026 | ||
| Shawn Neuman | General Counsel & Secretary | $910,702 | Mixed | 15 Apr 2026 | ||
| Daniel A. Palazzo | SVP & Chief Accounting Officer | $787,332 | Mixed | 15 Apr 2026 | ||
| Charles P. Pizzi | Director | $691,350 | Mixed | 28 May 2026 | ||
| H. Richard Haverstick Jr. | Director | $554,723 | Mixed | 28 May 2026 | ||
| James C. Diggs | Director | $446,491 | -$80,469 | -15% | Mixed | 28 May 2026 |
| Michael Joyce | Director | $444,931 | Mixed | 18 May 2022 | ||
| Reginald DesRoches | Director | $384,320 | -$68,250 | -15% | Mixed | 28 May 2026 |
| Terri A. Herubin | Director | $354,930 | Mixed | 25 May 2023 | ||
| Joan Lau | Director | $348,870 | Mixed | 28 May 2026 |
Recent insider transactions for BRANDYWINE REALTY TRUST
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| James C. Diggs | BDN | Common Shares of Beneficial Interest | Award | 29.2% | 37,582 | 166,254 | 28 May 2026 | Direct | ||
| Reginald DesRoches | BDN | Common Shares of Beneficial Interest | Award | 44.5% | 37,582 | 122,028 | 28 May 2026 | Direct | ||
| H. Richard Haverstick Jr. | BDN | Common Shares of Beneficial Interest | Award | 28.2% | 37,582 | 170,929 | 28 May 2026 | Direct | ||
| Joan Lau | BDN | Common Shares of Beneficial Interest | Award | 44.8% | 37,582 | 121,445 | 28 May 2026 | Direct | ||
| Charles P. Pizzi | BDN | Common Shares of Beneficial Interest | Award | 22.6% | 37,582 | 203,772 | 28 May 2026 | Direct | ||
| Shawn Neuman | BDN | Common Shares of Beneficial Interest | Tax liability | -7.33% | -21,114 | 267,083 | 15 Apr 2026 | Direct | ||
| Tom Wirth | BDN | Common Shares of Beneficial Interest | Tax liability | -3.67% | -35,681 | 936,854 | 15 Apr 2026 | Direct | ||
| Daniel A. Palazzo | BDN | Common Shares of Beneficial Interest | Tax liability | -0.97% | -2,405 | 246,751 | 15 Apr 2026 | Direct | ||
| William D. Redd | BDN | Common Shares of Beneficial Interest | Tax liability | -1.48% | -10,009 | 666,358 | 15 Apr 2026 | Direct | ||
| H. Jeffrey DeVuono | BDN | Common Shares of Beneficial Interest | Tax liability | -3.1% | -24,632 | 770,998 | 15 Apr 2026 | Direct | ||
| Gerard H. Sweeney | BDN | Common Shares of Beneficial Interest | Tax liability | -0.14% | -5,988 | 4,169,899 | 15 Apr 2026 | Direct | ||
| H. Jeffrey DeVuono | BDN | Common Shares of Beneficial Interest | Tax liability | -0.46% | -3,664 | 795,630 | 27 Feb 2026 | Direct | ||
| H. Jeffrey DeVuono | BDN | Common Shares of Beneficial Interest | Award | 24.2% | 155,923 | 799,294 | 27 Feb 2026 | Direct | ||
| William D. Redd | BDN | Common Shares of Beneficial Interest | Tax liability | -0.5% | -3,421 | 676,367 | 27 Feb 2026 | Direct | ||
| William D. Redd | BDN | Common Shares of Beneficial Interest | Award | 27.2% | 145,570 | 679,788 | 27 Feb 2026 | Direct | ||
| Daniel A. Palazzo | BDN | Common Shares of Beneficial Interest | Award | 29.6% | 56,962 | 249,156 | 27 Feb 2026 | Direct | ||
| Shawn Neuman | BDN | Common Shares of Beneficial Interest | Award | 48.5% | 94,146 | 288,197 | 27 Feb 2026 | Direct | ||
| Tom Wirth | BDN | Common Shares of Beneficial Interest | Tax liability | -0.51% | -4,940 | 972,535 | 27 Feb 2026 | Direct | ||
| Tom Wirth | BDN | Common Shares of Beneficial Interest | Award | 27.4% | 210,197 | 977,475 | 27 Feb 2026 | Direct | ||
| Gerard H. Sweeney | BDN | Common Shares of Beneficial Interest | Tax liability | -0.34% | -14,278 | 4,171,061 | 27 Feb 2026 | Direct | ||
| Gerard H. Sweeney | BDN | Common Shares of Beneficial Interest | Award | 17% | 607,595 | 4,185,339 | 27 Feb 2026 | Direct | ||
| Daniel A. Palazzo | BDN | Common Shares of Beneficial Interest | Tax liability | -1.19% | -2,305 | 192,194 | 04 Feb 2026 | Direct | ||
| Tom Wirth | BDN | Common Shares of Beneficial Interest | Tax liability | -0.35% | -2,698 | 767,278 | 04 Feb 2026 | Direct | ||
| Gerard H. Sweeney | BDN | Common Shares of Beneficial Interest | Tax liability | -0.12% | -4,178 | 3,549,720 | 04 Feb 2026 | Direct | ||
| Shawn Neuman | BDN | Common Shares of Beneficial Interest | Tax liability | -11.5% | -22,602 | 173,650 | 23 Jan 2026 | Direct | ||
| Daniel A. Palazzo | BDN | Common Shares of Beneficial Interest | Tax liability | -3.68% | -7,431 | 194,499 | 23 Jan 2026 | Direct | ||
| George Johnstone | BDN | Common Shares of Beneficial Interest | Tax liability | -8.72% | -50,910 | 532,837 | 23 Jan 2026 | Direct | ||
| William D. Redd | BDN | Common Shares of Beneficial Interest | Tax liability | -5.3% | -26,830 | 479,503 | 23 Jan 2026 | Direct | ||
| Tom Wirth | BDN | Common Shares of Beneficial Interest | Tax liability | -9.14% | -70,419 | 699,788 | 23 Jan 2026 | Direct | ||
| H. Jeffrey DeVuono | BDN | Common Shares of Beneficial Interest | Tax liability | -6.45% | -40,536 | 587,501 | 23 Jan 2026 | Direct | ||
| Gerard H. Sweeney | BDN | Common Shares of Beneficial Interest | Tax liability | -0.39% | -13,923 | 3,553,898 | 23 Jan 2026 | Direct | ||
| Gerard H. Sweeney | BDN | Common Shares of Beneficial Interest | Tax liability | 0.29% | 9,432 | 3,257,361 | 23 Jan 2026 | Direct | ||
| Shawn Neuman | BDN | Common Shares of Beneficial Interest | Award | 40.6% | 58,297 | 201,858 | 22 Jan 2026 | Direct | ||
| Daniel A. Palazzo | BDN | Common Shares of Beneficial Interest | Award | 9.42% | 17,391 | 201,930 | 22 Jan 2026 | Direct | ||
| George Johnstone | BDN | Common Shares of Beneficial Interest | Award | 24.8% | 118,857 | 598,869 | 22 Jan 2026 | Direct | ||
| William D. Redd | BDN | Common Shares of Beneficial Interest | Award | 28.9% | 122,849 | 547,753 | 22 Jan 2026 | Direct | ||
| Tom Wirth | BDN | Common Shares of Beneficial Interest | Award | 28.4% | 177,484 | 803,512 | 22 Jan 2026 | Direct | ||
| H. Jeffrey DeVuono | BDN | Common Shares of Beneficial Interest | Award | 24.9% | 131,587 | 660,605 | 22 Jan 2026 | Direct | ||
| Gerard H. Sweeney | BDN | Common Shares of Beneficial Interest | Award | 17.5% | 531,232 | 3,567,821 | 22 Jan 2026 | Direct | ||
| Gerard H. Sweeney | BDN | Common Shares of Beneficial Interest | Purchase | 3% | $298,882 | $3.38 | 88,500 | 3,042,210 | 10 Nov 2025 | Direct |
| James C. Diggs | BDN | Common Shares of Beneficial Interest | Sale | -15.3% | $80,469 | $3.47 | -23,190 | 128,672 | 30 Oct 2025 | Direct |
| Gerard H. Sweeney | BDN | Common Shares of Beneficial Interest | Tax liability | -0.1% | -2,951 | 2,946,141 | 07 Jul 2025 | Direct | ||
| Reginald DesRoches | BDN | Common Shares of Beneficial Interest | Sale | -15.1% | $68,250 | $4.55 | -15,000 | 84,466 | 09 Jun 2025 | Direct |
* marks a reported price that did not pass the local price check.