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SUI · Sun Communities Inc

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Market Cap
$15.19B
Shares
123.23M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 532
Total Value: $14,885,837,668
Total Shares: 124,141,756
Showing 1–100 of 540 holdings by value · page 1 of 6

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 532 13F filers · Δ vs Mar 31, 2026
Top Holder
11.1%
Sep 2023 → Jun 2026 · range 11.1% – 15.7%
−1.0 pts
Top 5
42.2%
Sep 2023 → Jun 2026 · range 41.0% – 52.9%
−4.5 pts
Top 10
63.0%
Sep 2023 → Jun 2026 · range 54.6% – 70.4%
−3.7 pts
HHI
497
Sep 2023 → Jun 2026 · range 484 – 696
Broadly held−74

Quarterly Activity

vs Mar 31, 2026
New
84
Increased
174
Decreased
201
Sold Out
70
Unchanged
73
Holder count: +14
Institutional value: +0.3%
Shares held: +5.4%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 540
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 912593 CUSIP 866674104 13F (30d) 412 filings 389 filers Visit website Investor relations