Piedmont Office Realty Trust, Inc.
Piedmont Office Realty Trust, Inc. (PDM) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · PDM · as of Sep 30, 2025
Ownership Breakdown
257
Institutional Holders
▼ 10 vs Q2
$996.10M
Total Inst. Value
▲ $177.50M vs Q2
125.02M
Shares Outstanding
freeFloat 98.71%
110.76M
13F Shares Held
▼ 766,378 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
PDM largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC opeators of nonresidential buildings | 19.08M | 15.33% | 15.33% | $171.72B | Nov 7, 2025 | ▼ 234.9K |
BLACKROCK, INC. opeators of nonresidential buildings | 14.27M | 11.47% | 11.47% | $128.45B | Nov 12, 2025 | ▼ 133.0K |
COHEN & STEERS, INC. opeators of nonresidential buildings | 5.89M | 4.73% | 4.73% | $52.97B | Nov 14, 2025 | ▲ 1.57M |
STATE STREET CORP opeators of nonresidential buildings | 5.56M | 4.47% | 4.47% | $50.03B | Nov 14, 2025 | ▼ 12.7K |
LSV ASSET MANAGEMENT opeators of nonresidential buildings | 4.10M | 3.29% | 3.29% | $36.86B | Nov 6, 2025 | ▲ 23.9K |
WILSEY ASSET MANAGEMENT INC opeators of nonresidential buildings | 4.06M | 3.26% | 3.26% | $36.56B | Oct 9, 2025 | ▼ 53.4K |
PRIVATE MANAGEMENT GROUP INC opeators of nonresidential buildings | 3.79M | 3.05% | 3.05% | $34.15B | Nov 13, 2025 | ▼ 44.6K |
WELLINGTON MANAGEMENT GROUP LLP opeators of nonresidential buildings | 3.32M | 2.67% | 2.67% | $29.90B | Nov 14, 2025 | ▲ 249.0K |
HUDSON BAY CAPITAL MANAGEMENT LP opeators of nonresidential buildings | 3.22M | 2.58% | 2.58% | $28.94B | Dec 15, 2025 | ▲ 201.8K |
GEODE CAPITAL MANAGEMENT, LLC opeators of nonresidential buildings | 3.21M | 2.58% | 2.58% | $28.88B | Nov 12, 2025 | ▼ 209.2K |
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
16
Increased
+3.78M shares3
New Positions
first time holders27
Decreased
−3.67M shares0
Sold Out
fully exitedNet shares change (top 50)
+111.8K
+3.78M / −3.67M
Net new holders
-8
3 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
PDM insider trading · insider activity
Source: SEC Form 4
16
Buy transactions
10
Sell transactions
1.60
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 |
|---|---|---|---|---|---|---|---|
Lewis Stephen E director | May 12, 2026 | Award | 12,883 | — | — | 12.9K | Form 4 ↗ |
Lang Barbara B director | May 12, 2026 | Tax Withhold | 4,566 | $8.15 | $37.2K | 61.8K | Form 4 ↗ |
Lang Barbara B director | May 12, 2026 | Award | 12,883 | — | — | 12.9K | Form 4 ↗ |
Hager Mary M. director | May 12, 2026 | Award | 12,883 | — | — | 12.9K | Form 4 ↗ |
COHEN GLENN GARY director | May 12, 2026 | Award | 12,883 | — | — | 12.9K | Form 4 ↗ |
Donnley Deneen L director | May 12, 2026 | Award | 12,883 | — | — | 12.9K | Form 4 ↗ |
Donnelly Jeffrey director | May 12, 2026 | Tax Withhold | 3,348 | $8.15 | $27.3K | 13.7K | Form 4 ↗ |
Donnelly Jeffrey director | May 12, 2026 | Award | 12,883 | — | — | 12.9K | 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
Piedmont Office Realty Trust, Inc. (PDM) is primarily owned by institutional investors, who hold approximately 88.6% of total shares outstanding. Company insiders own approximately 1.29%, while retail and public investors account for the remaining 10.11%.
The largest institutional shareholder of Piedmont Office Realty Trust, Inc. is VANGUARD GROUP INC, holding approximately 19.08 million shares — equal to 15.33% of outstanding shares — as of September 30, 2025.
A total of 257 institutional investors currently hold PDM stock, with a combined institutional value of approximately $996,104,292 as of the most recent 13F filing period.
Frequently asked questions
PDM ownershipPiedmont Office Realty Trust, Inc. (PDM) is primarily owned by institutional investors, who hold approximately 88.6% of shares. The largest shareholder is VANGUARD GROUP INC with a 15.33% stake. Company insiders hold 1.29%. Data sourced from SEC Form 13F as of September 30, 2025.