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SGI · Somnigroup International Inc. · Holdings

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Market Cap
$14.35B
Shares
210.37M

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: 542
Total Value: $17,878,964,075
Total Shares: 228,048,066
Showing 1–100 of 564 holdings by value · page 1 of 6

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 542 13F filers · Δ vs Mar 31, 2026
Top Holder
11.5%
Sep 2023 → Jun 2026 · range 9.3% – 14.4%
−1.6 pts
Top 5
31.6%
Sep 2023 → Jun 2026 · range 31.6% – 42.1%
−3.8 pts
Top 10
46.6%
Sep 2023 → Jun 2026 · range 46.6% – 59.3%
−5.4 pts
HHI
344
Sep 2023 → Jun 2026 · range 344 – 508
Broadly held−76

Quarterly Activity

vs Mar 31, 2026
New
103
Increased
208
Decreased
180
Sold Out
94
Unchanged
51
Holder count: +9
Institutional value: +14.0%
Shares held: +7.4%

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 564
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1206264 CUSIP 88023U101 13F (30d) 273 filings 271 filers Visit website Investor relations