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, 2024
Ownership Breakdown
526
Institutional Holders
▲ 14 vs Q2
$16.58B
Total Inst. Value
▲ $2.10B vs Q2
123.23M
Shares Outstanding
freeFloat 98.80%
122.72M
13F Shares Held
▲ 2.40M 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 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC real estate investment trusts | 17.55M | 14.18% | 14.18% | $2.37T | Nov 13, 2024 | ▼ 188.8K |
COHEN & STEERS, INC. real estate investment trusts | 12.56M | 10.15% | 10.15% | $1.70T | Nov 14, 2024 | ▲ 1.18M |
BLACKROCK, INC. real estate investment trusts | 10.92M | 8.82% | 8.82% | $1.48T | Nov 13, 2024 | NEW |
NORGES BANK real estate investment trusts | 7.29M | 5.88% | 5.88% | $984.58B | Nov 12, 2025 | ▲ 616.9K |
DODGE & COX real estate investment trusts | 5.96M | 4.82% | 4.82% | $805.65B | Nov 13, 2024 | ▲ 384.4K |
FMR LLC real estate investment trusts | 5.23M | 4.23% | 4.23% | $707.33B | Nov 13, 2024 | ▲ 1.43M |
STATE STREET CORP real estate investment trusts | 4.99M | 4.03% | 4.03% | $678.74B | Nov 14, 2024 | ▼ 248.0K |
PRICE T ROWE ASSOCIATES INC /MD/ real estate investment trusts | 4.64M | 3.75% | 3.75% | $626.78B | Nov 14, 2024 | ▲ 891.2K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ real estate investment trusts | 2.95M | 2.39% | 2.39% | $399.12B | Nov 12, 2024 | ▲ 3.3K |
PRINCIPAL FINANCIAL GROUP INC real estate investment trusts | 2.49M | 2.01% | 2.01% | $336.41B | Oct 31, 2024 | ▼ 1.00M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2024 vs prior quarter
Q3 2024
22
Increased
+8.08M shares2
New Positions
first time holders26
Decreased
−4.40M shares0
Sold Out
fully exitedNet shares change (top 50)
+3.69M
+8.08M / −4.40M
Net new holders
-2
2 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 99.6% of total shares outstanding. Company insiders own approximately 1.20%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Sun Communities, Inc. is VANGUARD GROUP INC, holding approximately 17.55 million shares — equal to 14.18% of outstanding shares — as of September 30, 2024.
A total of 526 institutional investors currently hold SUI stock, with a combined institutional value of approximately $16.58 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 99.6% of shares. The largest shareholder is VANGUARD GROUP INC with a 14.18% stake. Company insiders hold 1.20%. Data sourced from SEC Form 13F as of September 30, 2024.