Sun Communities, Inc.
Sun Communities, Inc. (SUI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SUI · as of Sep 30, 2025
Ownership Breakdown
513
Institutional Holders
▲ 38 vs Q2
$14.99B
Total Inst. Value
▼ $1.50B vs Q2
123.23M
Shares Outstanding
freeFloat 98.80%
116.21M
13F Shares Held
▼ 14.13M 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
SUI largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC real estate investment trusts | 18.29M | 14.46% | 14.46% | $2.36T | Nov 7, 2025 | ▲ 249.5K |
DODGE & COX real estate investment trusts | 14.48M | 11.45% | 11.45% | $1.87T | Nov 13, 2025 | ▲ 282.1K |
BLACKROCK, INC. real estate investment trusts | 11.44M | 9.04% | 9.04% | $1.48T | Nov 12, 2025 | ▲ 30.1K |
COHEN & STEERS, INC. real estate investment trusts | 10.98M | 8.68% | 8.68% | $1.42T | Nov 14, 2025 | ▼ 5.68M |
PRICE T ROWE ASSOCIATES INC /MD/ real estate investment trusts | 6.37M | 5.04% | 5.04% | $822.19B | Nov 14, 2025 | ▼ 672.5K |
STATE STREET CORP real estate investment trusts | 5.38M | 4.26% | 4.26% | $699.86B | Nov 14, 2025 | ▲ 214.6K |
FMR LLC real estate investment trusts | 5.28M | 4.17% | 4.17% | $680.82B | Nov 13, 2025 | ▼ 1.45M |
WELLINGTON MANAGEMENT GROUP LLP real estate investment trusts | 4.49M | 3.55% | 3.55% | $578.67B | Nov 14, 2025 | ▲ 4.15M |
GEODE CAPITAL MANAGEMENT, LLC real estate investment trusts | 2.33M | 1.84% | 1.84% | $299.52B | Nov 12, 2025 | ▲ 32.1K |
DAIWA SECURITIES GROUP INC. real estate investment trusts | 1.81M | 1.43% | 1.43% | $232.86B | Nov 14, 2025 | ▼ 970.8K |
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
25
Increased
+9.06M shares0
New Positions
first time holders23
Decreased
−12.99M shares0
Sold Out
fully exitedNet shares change (top 50)
3.92M
+9.06M / −12.99M
Net new holders
+2
0 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
SUI insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
4
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 |
|---|---|---|---|---|---|---|---|
Castro-Caratini Fernando EVP, CFO, Sec. & Treas. | May 26, 2026 | Sale | 21,261 | $124.37 | $2.64M | 12.5K | Form 4 ↗ |
Castro-Caratini Fernando EVP, CFO, Sec. & Treas. | May 26, 2026 | Sale | 2,489 | $124.97 | $311.1K | 10.0K | Form 4 ↗ |
McLaren John Bandini President and COO | May 26, 2026 | Gift | 209 | — | — | 76.4K | Form 4 ↗ |
McLaren John Bandini President and COO | May 26, 2026 | Gift | 910 | — | — | 75.5K | Form 4 ↗ |
Young Charles D. CEO & Director | Mar 27, 2026 | Award | 14,334 | $125.57 | $1.80M | 77.5K | Form 4 ↗ |
Young Charles D. CEO & Director | Mar 27, 2026 | Award | 28,151 | — | — | 28.2K | Form 4 ↗ |
Farrugia Marc EVP & Chief Admin. Officer | Mar 27, 2026 | Award | 4,778 | $125.57 | $600.0K | 51.3K | Form 4 ↗ |
Farrugia Marc EVP & Chief Admin. Officer | Mar 27, 2026 | Award | 9,382 | — | — | 9.4K | Form 4 ↗ |
Weiss Aaron EVP, Chief Investment Officer | Mar 27, 2026 | Award | 5,256 | $125.57 | $660.0K | 64.9K | Form 4 ↗ |
Weiss Aaron EVP, Chief Investment Officer | Mar 27, 2026 | Award | 10,321 | — | — | 10.3K | 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
Sun Communities, Inc. (SUI) is primarily owned by institutional investors, who hold approximately 94.3% of total shares outstanding. Company insiders own approximately 1.20%, while retail and public investors account for the remaining 4.50%.
The largest institutional shareholder of Sun Communities, Inc. is VANGUARD GROUP INC, holding approximately 18.29 million shares — equal to 14.46% of outstanding shares — as of September 30, 2025.
A total of 513 institutional investors currently hold SUI stock, with a combined institutional value of approximately $14.99 billion as of the most recent 13F filing period.
Frequently asked questions
SUI ownershipSun Communities, Inc. (SUI) is primarily owned by institutional investors, who hold approximately 94.3% of shares. The largest shareholder is VANGUARD GROUP INC with a 14.46% stake. Company insiders hold 1.20%. Data sourced from SEC Form 13F as of September 30, 2025.